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Aparthotel

THE FLAG Oskar M.

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Comfort-Studio, Flussblick (Single, 140 cm breites Bett) | Water view
Full-size fridge, microwave, oven, stovetop
Executive Studio (Business Single, 140 cm wide bed) | Private kitchen | Full-size fridge, microwave, oven, stovetop
Hypo-allergenic bedding, in-room safe, desk, blackout drapes
Reception

Reviews

9.6 out of 10
Exceptional

Popular amenities

  • Kitchen
  • Pet friendly
  • Free WiFi
  • Restaurant
  • Air conditioning
  • Laundry

Explore the area

View in a map
Oskar-von-Miller-Straße 10, Frankfurt, 60314
  • Place, Römerberg
    ‪11 min walk‬
  • Place, Frankfurt Zoo
    ‪11 min walk‬
  • Place, Frankfurt Christmas Market
    ‪12 min walk‬
  • Airport, Frankfurt (FRA-Frankfurt Intl.)
    ‪19 min drive‬

Room options

View all photos for Business Double Studio

Hypo-allergenic bedding, in-room safe, desk, blackout drapes

Business Double Studio

  • Sleeps 2

View all photos for Business-Studio (Single, 140 cm breites Bett)

Business-Studio (Single, 140 cm breites Bett) | Hypo-allergenic bedding, in-room safe, desk, blackout drapes

Business-Studio (Single, 140 cm breites Bett)

  • 452 sq ft
  • 1 bedroom
  • Sleeps 3
  • 1 Double Bed

View all photos for Comfort-Studio, Flussblick (Single, 140 cm breites Bett)

Comfort-Studio, Flussblick (Single, 140 cm breites Bett) | Hypo-allergenic bedding, in-room safe, desk, blackout drapes

Comfort-Studio, Flussblick (Single, 140 cm breites Bett)

  • River view
  • 495 sq ft
  • 1 bedroom
  • Sleeps 3
  • 1 Double Bed

View all photos for Executive Studio (Business Single, 140 cm wide bed)

Executive Studio (Business Single, 140 cm wide bed) | Hypo-allergenic bedding, in-room safe, desk, blackout drapes

Executive Studio (Business Single, 140 cm wide bed)

  • 473 sq ft
  • 1 bedroom
  • Sleeps 2
  • 1 Double Bed

View all photos for Executive Studio, River View (Comfort Single, 140 cm wide bed)

Executive Studio, River View (Comfort Single, 140 cm wide bed) | Hypo-allergenic bedding, in-room safe, desk, blackout drapes

Executive Studio, River View (Comfort Single, 140 cm wide bed)

  • River view
  • 495 sq ft
  • 1 bedroom
  • Sleeps 2
  • 1 Double Bed

View all photos for Executive Studio, River View (Comfort Double)

Executive Studio, River View (Comfort Double) | Hypo-allergenic bedding, in-room safe, desk, blackout drapes

Executive Studio, River View (Comfort Double)

  • River view
  • 602 sq ft
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed

View all photos for Business Studio (Double)

Business Studio (Double) | Hypo-allergenic bedding, in-room safe, desk, blackout drapes

Business Studio (Double)

  • 452 sq ft
  • 1 bedroom
  • Sleeps 4
  • 1 King Bed

View all photos for Executive Studio (Business Double)

Executive Studio (Business Double) | Hypo-allergenic bedding, in-room safe, desk, blackout drapes

Executive Studio (Business Double)

  • 452 sq ft
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed

View all photos for Comfort Studio, River View (Double)

Comfort Studio, River View (Double) | Hypo-allergenic bedding, in-room safe, desk, blackout drapes

Comfort Studio, River View (Double)

  • River view
  • 602 sq ft
  • 1 bedroom
  • Sleeps 4
  • 1 King Bed

View all photos for Executive Business Double Studio

Hypo-allergenic bedding, in-room safe, desk, blackout drapes

Executive Business Double Studio

  • Sleeps 2

Executive Comfort Double Bed Studio

  • Sleeps 2

View all photos for Executive Comfort Single Studio

Hypo-allergenic bedding, in-room safe, desk, blackout drapes

Executive Comfort Single Studio

  • Sleeps 2

View all photos for Executive Business Single Studio

Hypo-allergenic bedding, in-room safe, desk, blackout drapes

Executive Business Single Studio

  • Sleeps 2

View all photos for Comfort Double Studio

Hypo-allergenic bedding, in-room safe, desk, blackout drapes

Comfort Double Studio

  • Sleeps 2

View all photos for Business Single Studio

Hypo-allergenic bedding, in-room safe, desk, blackout drapes

Business Single Studio

  • Sleeps 2

View all photos for Comfort Single Studio

Hypo-allergenic bedding, in-room safe, desk, blackout drapes

Comfort Single Studio

  • Sleeps 2

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About the neighborhood

Frankfurt

THE FLAG Oskar M. places you in Ostend, within a leisurely stroll of popular sights such as Römerberg and Frankfurt Christmas Market. This 68-room, 4.5-star aparthotel has in-room conveniences like kitchens, refrigerators, and microwaves.
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What's nearby

  • European Central Bank - 5 min walk - 0.3 miles
  • Frankfurt Cathedral - 8 min walk - 0.4 miles
  • Römerberg - 11 min walk - 0.6 miles
  • Frankfurt Zoo - 11 min walk - 0.6 miles
  • Frankfurt Christmas Market - 12 min walk - 0.7 miles

Getting around

  • Hospital zum Heiligen Geist Tram Stop - 4 min walk
  • Frankfurt (Main) Ost Station - 12 min walk
  • Frankfurt Airport (FRA) - 23 min drive

Restaurants

  • ‪Yufi Döner - ‬6 min walk
  • ‪Barca (Cocktail Stand am Main) - ‬7 min walk
  • ‪Wine And Bubbles - ‬4 min walk
  • ‪Gaststätte Zur Kutscherklause - ‬6 min walk
  • ‪Cocina Argentina - ‬2 min walk

About this property

THE FLAG Oskar M.

THE FLAG Oskar M. features free WiFi in public areas, express check-in, and express check-out. Self parking is available for EUR 20 per night. Front-desk staff can answer questions 24/7, and assist with tours or tickets, dry cleaning/laundry, and securing valuables.
Each apartment is soundproofed and features a kitchen with a refrigerator, an oven, a microwave, and a stovetop. Guests can expect to find 42-inch flat-screen TV with satellite channels and Netflix, along with free WiFi and wired Internet. The bathroom offers hair dryers and slippers. Other standard amenities include an electric kettle, free bottled water, and a safe. Housekeeping is available on request.

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Property amenities

Internet

  • Available in the apartment: Free WiFi and wired internet
  • Available in some public areas: Free WiFi

Parking and transportation

  • Electric car charging station on site
  • Height restrictions apply for onsite parking
  • Self parking on site (EUR 20 per night; includes in/out privileges)
  • Limited onsite self parking
  • Wheelchair-accessible parking available

Family friendly

  • Free crib

Kitchen

  • Cleaning supplies
  • Cookware, dishware, and utensils
  • Dishwasher
  • Electric kettle
  • Full-sized refrigerator/freezer
  • Microwave
  • Oven
  • Stovetop
  • Toaster

Dining

  • Buffet breakfast available for a fee 6:00 AM to 10:00 AM on weekdays and 7:00 AM to 11:00 AM on weekends; EUR 22 for adults and EUR 10 for children
  • A restaurant

Bedrooms

  • Bedsheets provided
  • Hypo-allergenic bedding

Bathroom

  • 1 private bathroom
  • Hair dryer
  • Shower
  • Slippers
  • Towels provided

Entertainment

  • 42-inch flat-screen TV with satellite channels
  • Netflix
  • Streaming services

Outdoor areas

  • Walkway to water

Laundry

  • Dry cleaning/laundry service

Work spaces

  • Desk

Climate control

  • Air conditioning
  • Heating

Pets

  • Pet friendly
  • Fee: EUR 20 per pet per night
  • Service animals exempt from fees

Suitability/Accessibility

  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • 1 accessible parking space
  • Elevator (31 inch wide door)
  • Stair-free path to entrance
  • Wheelchair accessible (may have limitations)
  • Wheelchair-accessible parking
  • Wheelchair-accessible path to elevator
  • Wheelchair-accessible public washroom
  • Wheelchair-accessible registration desk (34 inches high)
  • Smoking not allowed

Services and conveniences

  • 24-hour front desk
  • Blackout drapes
  • Free bottled water
  • Housekeeping (on request)
  • Iron/ironing board
  • Luggage storage
  • Safe
  • Safe at front desk
  • Tour and ticket assistance

Location highlights

  • In an entertainment district
  • In the city center
  • Near a metro station

Safety features

  • Carbon monoxide detector not reported (host has not indicated whether there is a carbon monoxide detector on the property; consider bringing a portable detector)
  • Smoke detector (host has indicated there is a smoke detector on the property)
  • Fire extinguisher

General

  • 68 units
  • 9 floors
  • Built in 2018
  • Electric car charging station
  • Housekeeping (on request)
  • Soundproofing

Policies

Check-in

Check-in start time: 3:00 PM; Check-in end time: anytime
Early check-in subject to availability
Early check-in is available for a fee
Contactless check-in available
Express check-in available
Minimum check-in age: 18

Check-out

Check-out before 11 AM
Contactless check-out available
Late check-out subject to availability
A late check-out fee will be charged
Express check-out available

Special check-in instructions

Front desk staff will greet guests on arrival at the property
Information provided by the property may be translated using automated translation tools

Access methods

Staffed front desk

Pets

  • This property welcomes pets for EUR 20 per pet, per night
  • Service animals exempt from fees

Children and extra beds

  • Free cribs/infant beds are available

Property payment types

Important information

Fees

You'll be asked to pay these charges at the property:

  • A tax is imposed by the city: EUR 2.00 per person, per night

These are all of the charges provided to us by the property.

Optional extras

These fees and deposits will be charged at check-in, check-out, or the time of service.

  • Fee for buffet breakfast: approximately EUR 22 for adults and EUR 10 for children
  • Self parking fee: EUR 20 per night (in/out privileges)
  • Pet fee: EUR 20 per pet, per night
  • Service animals are exempt from fees
  • Early check-in is available for a fee (subject to availability)
  • Late check-out is available for a fee (subject to availability)

This list may not be comprehensive. Fees and deposits might not include tax and are subject to change.

You need to know

Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card may be required at check-in for incidental charges
Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
This property accepts credit cards; cash is not accepted
Onsite parties or group events are strictly prohibited
Long-term renters welcome
Host has not indicated whether there is a carbon monoxide detector on the property; consider bringing a portable detector with you on the trip
Host has indicated there is a smoke detector on the property
Safety features at this property include a fire extinguisher
This property has outdoor spaces, such as balconies, patios, terraces which may not be suitable for children; if you have concerns, we recommend contacting the property prior to your arrival to confirm they can accommodate you in a suitable room
This property is professionally cleaned
  • Check-in: 3:00 PM—-anytime
  • Check-out: 11 AM
  • Minimum check-in age: 18
The front desk is open 24 hours a day, and checking in and out are easy with express services. Driving? This property offers parking (fees apply), along with a car charging station.

We should mention

Details about charges, deposits, or other important information:

  • This property is managed by a professional host. The provision of housing is linked to their trade, business, or profession.
  • This property has outdoor spaces, such as balconies, patios, terraces which may not be suitable for children. If you have concerns, we recommend contacting the property prior to your arrival to confirm they can accommodate you in a suitable room.
  • Charges for extra guests may apply and vary depending on the property's policy.
  • A credit card for incidental charges and a government-issued photo ID may be required at check-in.
  • Special requests are subject to availability at the time of check-in and can't be guaranteed. Certain requests may come with additional charges.
  • This property accepts credit cards. Cash is not accepted. 
  • Onsite parties or group events are strictly prohibited.
  • Onsite safety features include a fire extinguisher and a smoke detector.
  • The property is professionally cleaned.

Additional information about polices, regulations, and more:

  • Registered guests are the only ones allowed in guestrooms.
  • Long-term renters welcome.
  • No rollaway or extra beds are available.
  • Parking has height restrictions.
  • This property welcomes guests of all sexual orientations and gender identities (LGBTQ+ friendly).

Property is also known as

FLAG Oskar M. Aparthotel Frankfurt
FLAG Oskar M. Aparthotel
FLAG Oskar M. Frankfurt
FLAG Oskar M.
THE FLAG Oskar M. Frankfurt
THE FLAG Oskar M. Aparthotel
THE FLAG Oskar M. Aparthotel Frankfurt

Frequently asked questions

Is free cancellation available at THE FLAG Oskar M.?

THE FLAG Oskar M. offers free cancellation on certain room rates. To learn more, take a look at the cancellation policy on our site.

How much does it cost to stay at THE FLAG Oskar M.?

As of Apr 20, 2026, prices found for a 1-night stay for 2 adults at THE FLAG Oskar M. on Apr 26, 2026 start from $126, including taxes and fees. This price is based on the lowest nightly price found in the last 24 hours for stays in the next 30 days. Prices are subject to change. Choose your dates for more accurate prices.

What can I see within easy reach of THE FLAG Oskar M.?

This aparthotel is situated in Ostend within a short 13-minute walk of Römerberg and also 13 minutes on foot from Frankfurt Christmas Market. You'll also find Alte Oper and Deutsche Bank Park within a short drive.

Does THE FLAG Oskar M. include a casino on the premises?

No, THE FLAG Oskar M. doesn't have a casino.

Is there an indoor pool at THE FLAG Oskar M.?

No, there is no indoor pool at this aparthotel.

Does THE FLAG Oskar M. have a restaurant with a breakfast menu?

Yes, THE FLAG Oskar M. serves buffet breakfast each morning for a surcharge from its restaurant.

Does THE FLAG Oskar M. allow pets to stay free of charge?

Although they can't stay for free, pets are welcome at THE FLAG Oskar M. for a fee of EUR 20 per pet, per night.

How far is the airport from THE FLAG Oskar M.?

The closest major airport to THE FLAG Oskar M. is Frankfurt Airport (FRA), which is 13.5 mi away (23 minutes by car). Another top airport is Mainz (QFZ-Mainz Finthen), which is around 26 mi away.

THE FLAG Oskar M. Reviews

Reviews

9.6

Exceptional

Rating 10 - Excellent. 149 out of 188 reviews
Rating 8 - Good. 29 out of 188 reviews
Rating 6 - Okay. 6 out of 188 reviews
Rating 4 - Poor. 1 out of 188 reviews
Rating 2 - Terrible. 3 out of 188 reviews

9.6/10

Cleanliness

9.4/10

Staff & service

9.4/10

Amenities

9.4/10

Property conditions & facilities

Reviews

10/10 Excellent

Desmond

Liked: Cleanliness, amenities, property conditions & facilities
Fantastic place to stay, clean, spacious with great views. Staff are helpful and friendly. Wouldn’t hesitate to stay again and would recommend to anyone.
Stayed 5 nights in Dec 2025

10/10 Excellent

Anthony

Traveled with family
Liked: Cleanliness, amenities, property conditions & facilities
Very nice place. Would stay there again.
Stayed 3 nights in Dec 2025

10/10 Excellent

Michael

Stayed 3 nights in Dec 2025

8/10 Good

Lisa

Traveled with group, Traveled with partner
Liked: Cleanliness, amenities, property conditions & facilities
Fabulous room spotlessly clean, great location helpful friendly staff. Great we could leave our bags there after checkout before leaving for the airport. WiFi and door card didn’t work initially making check in a little more of a hassle but really a very minor issue as staff were very helpful and sorted it pretty quick. Would highly recommend
Stayed 2 nights in Nov 2025

10/10 Excellent

Ryan

Stayed 1 night in Nov 2025

10/10 Excellent

Ryan

Liked: Cleanliness, amenities
Very helpful staff, clean and spacious rooms.
Stayed 4 nights in Nov 2025

10/10 Excellent

SAMIR

Liked: Cleanliness, amenities, property conditions & facilities
The rooms were super clean, the hosts(receptionist) are welcoming & always ready to help "ariana" you were great. Would absolutely recommend to fellow travellers to consider for a stay. View by the bridge is absolutely worthy & beautiful. Thanks for th hospitality & the warmth ☺️
Stayed 1 night in Oct 2025

10/10 Excellent

Chris

Stayed 1 night in Oct 2025

10/10 Excellent

Nicole, Houston

Traveled with partner
Liked: Cleanliness, amenities, property conditions & facilities
I highly recommend this property. We had the double woth balcony and the view of the sity from two sides of the room was spectacular.!
Stayed 2 nights in Oct 2025

10/10 Excellent

shawn

Liked: Cleanliness, property conditions & facilities
Close to old town square and lots of places to eat
Stayed 1 night in Sep 2025

10/10 Excellent

Allan

Traveled with partner
Liked: Cleanliness, amenities, property conditions & facilities
Everything was excellent
Stayed 7 nights in Jun 2025

10/10 Excellent

Daniel, Seattle

Liked: Cleanliness, property conditions & facilities
Stayed 2 nights in Jun 2025

6/10 Okay

Linda

Disliked: Cleanliness, room comfort
I've stayed in this hotel multiple times in the past but this time I was really disappointed with my room. When I entered the room first, the floor was dirty. Dust everywhere and small broken glass on the floors. Thanks God I didn't stepp on it. Second, the bed mattress was hard as hell. Probably the worst bed ever slept on. Every night, I had to lay pillows on top of the mattress for a little softness. Unfortunately, I dealt with it and didn't complain to the management because I know that they can do better. Despite all, I would still 100% recommend this hotel to anyone. Location is on spot for everything you want to experience in Frankfurt. The staff are truly great. The rooms are spacious...Just work on cleanness and bed comfort...
Stayed 7 nights in May 2025

8/10 Good

Nancy

Traveled with partner
Liked: Cleanliness, amenities, property conditions & facilities
Location by the Main was very good, easy walking to many attractions incliding the 'New Old Town. Room facilities are very good with aircon, convection heating, and well equipped kitchenette. Double glazing and blackout curtains made our stay quiet and comfortable for a couple. Service and staff were excellent. All requests were met willingly and promptly. Buffet breakfast had plenty of options plus personalised choices, cooked fresh. Onsite restaurant also very good with well presented genuine Italian cuisine at fair prices. We highly recommend The Flag Oscar M and would happily stay again when visiting Frankfurt.
Stayed 2 nights in May 2025

10/10 Excellent

Tracie, Austin

Traveled with partner
Liked: Cleanliness, amenities, property conditions & facilities
While I only stayed here for one night, these mini apartments would be excellent for a long-term stay too. The bed was very comfortable, and the room was quiet. The kitchen is fully equipped. Key for me is always the hairdryer, which was excellent! I didn’t check in until midnight because our train into Frankfurt was late, but we were quickly met by security and given our room key. In the morning, the two women at the front desk were super friendly and gave me great suggestions for walking into old town, along with some café suggestions. I would definitely stay here again.
Stayed 1 night in May 2025

10/10 Excellent

Mark

Liked: Cleanliness, room comfort

Excellent

Everything about my stay was nothing short of excellent. Highly recommended!
View from my apartment
Stayed 2 nights in Apr 2025

10/10 Excellent

Darren

Traveled with partner
Liked: Cleanliness, amenities, property conditions & facilities
Great location and lovely view of the river. Room was very well laid out. Staff was amazing. Highly recommend the Flag Oskar M!
Stayed 2 nights in Mar 2025

10/10 Excellent

Daniel Eran, Berlin

Traveled with partner
Liked: Cleanliness, amenities, property conditions & facilities
Short walk from the center. Nice restaurant options nearby and a grocery across the street. Breakfast was pretty basic.
Stayed 2 nights in Feb 2025

10/10 Excellent

Gary

Liked: Cleanliness, room comfort
Stayed 5 nights in Dec 2024

10/10 Excellent

Shanna

Liked: Cleanliness, room comfort
Stayed 2 nights in Dec 2024

8/10 Good

Seif aldeen

Liked: Cleanliness, amenities, property conditions & facilities
I liked the location of the hotel. Unfortunately, the room was a little dark due to weak lighting.
Stayed 4 nights in Nov 2024

10/10 Excellent

Raymond

Liked: Cleanliness, room comfort

Great hotel

Clean, friendly staff, great location.
Stayed 1 night in Nov 2024

10/10 Excellent

John

Traveled with partner
Liked: Cleanliness, amenities, property conditions & facilities
Stunning views of the river Main and city. Great little Italian restaurant on site.
Stayed 2 nights in Oct 2024

10/10 Excellent

Jonathan, Seattle

Liked: Property conditions & facilities
Stayed 1 night in Sep 2024

10/10 Excellent

Santiago

Liked: Cleanliness, property conditions & facilities
Very comfortable. Very good location.
Stayed 4 nights in Sep 2024

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