Cheap flights To Longmont (DEN) from $24

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Cheap Flights to Longmont from $24 One Way, $48 Round Trip

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Mon, Jun 3 - Tue, Jun 4
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$48 Roundtrip, found 1 hour ago
$48
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Jun 3 from Dallas-Fort Worth Intl. to Denver Intl., returning Tue, Jun 4, priced at $48 found 1 hour ago
Wed, Jun 5 - Wed, Jun 5
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$53 Roundtrip, just found
$53
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Jun 5 from Dallas-Fort Worth Intl. to Denver Intl., returning Wed, Jun 5, priced at $53 just found
Sat, Jun 1 - Tue, Jun 4
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$58 Roundtrip, just found
$58
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Jun 1 from Dallas-Fort Worth Intl. to Denver Intl., returning Tue, Jun 4, priced at $58 just found
Sun, May 26 - Mon, Jun 3
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$58 Roundtrip, found 1 day ago
$58
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, May 26 from Minneapolis - St. Paul Intl. to Denver Intl., returning Mon, Jun 3, priced at $58 found 1 day ago
Tue, May 28 - Mon, Jun 3
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$58 Roundtrip, found 1 day ago
$58
Roundtrip
found 1 day ago
Select Sun Country Airlines flight, departing Tue, May 28 from Minneapolis - St. Paul Intl. to Denver Intl., returning Mon, Jun 3, priced at $58 found 1 day ago
Sat, Oct 26 - Sat, Oct 26
ORD
O'Hare Intl.
DEN
Denver Intl.
$63 Roundtrip, just found
$63
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Oct 26 from O'Hare Intl. to Denver Intl., returning Sat, Oct 26, priced at $63 just found
Wed, Aug 7 - Wed, Aug 7
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$63 Roundtrip, just found
$63
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Aug 7 from Dallas-Fort Worth Intl. to Denver Intl., returning Wed, Aug 7, priced at $63 just found
Sun, May 26 - Tue, May 28
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$63 Roundtrip, just found
$63
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, May 26 from Minneapolis - St. Paul Intl. to Denver Intl., returning Tue, May 28, priced at $63 just found
Sat, Jun 15 - Sat, Jun 15
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$111 Roundtrip, found 2 days ago
$111
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Jun 15 from Minneapolis - St. Paul Intl. to Denver Intl., returning Sat, Jun 15, priced at $111 found 2 days ago
Wed, Jun 19 - Wed, Jun 19
MSP
Minneapolis - St. Paul Intl.
DEN
Denver Intl.
$112 Roundtrip, found 3 days ago
$112
Roundtrip
found 3 days ago
Select United flight, departing Wed, Jun 19 from Minneapolis - St. Paul Intl. to Denver Intl., returning Wed, Jun 19, priced at $112 found 3 days ago

Longmont DEN Flight Information

Traveling To
Longmont
Destination Airport IATA Code
DEN
Number of Airlines Serving
2
Airlines
Frontier Airlines, Sun Country Airlines, Delta, United
Flight Price
$48
Earliest Departing Flight
UA 728 10:10AM EDT
Latest Departing Flight
UA 1389 May 25 4:43PM EDT

Book Your Flight & Hotel Together & Save

Longmont economy flight packages

Price found within the past 48 hours. Click for updated prices.
Fairfield Inn & Suites by Marriott Denver Downtown
2.5-star property

Fairfield Inn & Suites by Marriott Denver Downtown

Jul 1 - Jul 6

5 night stay

Dallas (DFW) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
per person
The Brown Palace Hotel and Spa, Autograph Collection
4.5-star property

The Brown Palace Hotel and Spa, Autograph Collection

Jul 1 - Jul 6

5 night stay

Dallas (DFW) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
per person
AC Hotel by Marriott Denver Downtown
3.5-star property

AC Hotel by Marriott Denver Downtown

Jul 1 - Jul 6

5 night stay

Dallas (DFW) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
per person
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Longmont premium economy flight packages

Price found within the past 48 hours. Click for updated prices.
Renaissance Boulder FlatIron Hotel
4.0-star property

Renaissance Boulder FlatIron Hotel

8.8/10 Excellent! (1,001 reviews)

Jun 20 - Jun 24

4 night stay

Portland (PDX) to Denver (DEN)

United • Roundtrip • PremiumEconomy
per person
Everything was 10/10

Reviewed on Sep 22, 2023

The Ramble Hotel
4.0-star property

The Ramble Hotel

9.6/10 Exceptional! (710 reviews)

Jun 20 - Jun 24

4 night stay

Portland (PDX) to Denver (DEN)

United • Roundtrip • PremiumEconomy
per person
Excellent bar area, very dynamic with nice mix of furniture and table. Full bar.

Reviewed on Jan 15, 2023

The Source Hotel
4.0-star property

The Source Hotel

8.8/10 Excellent! (972 reviews)

Jun 20 - Jun 24

4 night stay

Portland (PDX) to Denver (DEN)

United • Roundtrip • PremiumEconomy
per person
Great for a short walk to the mission ballroom. Has a couple really nice bars.

Reviewed on Jan 25, 2024

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See all available trips from Portland to Longmont
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Longmont

Finding cheap flights to Longmont is easy when you have Orbitz at your fingertips. Not only does Orbitz offer great deals on Longmont flights, but we also include some special extras to make booking a breeze. Just check out our:

Mobile Site and Apps

With Orbitz’s mobile site, m.orbitz.com, you can book your flights to Longmont through your smartphone or tablet’s Web browser. Plus, our free downloadable apps for Android and iPhone mean it’s just a simple click to access your flight updates and alerts. You can even book exclusive mobile-only deals on hotels to go with your flights to Longmont—even on the same day.

Pick and Choose or Book Full Vacation Packages

Don’t just be satisfied with great deals on Longmont flights—go for the full package! With Orbitz, you can also find fantastic savings on the perfect hotel, car rental, cruise, and even activities, so you don’t waste your trip waiting in line but have the time to enjoy your trip. Pick and choose the add-ons you need, or book an entire vacation package for greater overall discounts.

Rewards That Are Miles Better

Booking directly with an airline earns you air miles or points, and you can get those same rewards with booking on Orbitz too. When you book qualifying flights to Longmont with Orbitz, just add in your frequent flyer number during your online booking and your details will be sent to your program.

Great Deals Every Day

Add in our extra savings on packages, free nights, and other discounts, and you know you are in good hands.

Frequently asked questions

Which airlines fly to Longmont?
With 20 airlines running services to Denver Intl. Airport (DEN), the entrance point to Longmont, the choice is yours. Land a terrific deal among these leading international carriers waiting to whisk you away to this city:

  • United Airlines - 269 flights to Longmont per month
  • Southwest Airlines - 88 flights to Longmont per month
  • Air Canada - 83 flights to Longmont per month

How much is a flight to Longmont?
If you’re looking at back and forth flights, airfares ranged from $48 to $112 this past week. The lowest one-way ticket prices were $24, originating in Dallas (DFW).
How to book the cheapest flight to Longmont?
Scoring cheap flights to Longmont is as simple as booking with Orbitz. But if you’re eager to make sure you’re grabbing the best flight deals around, here are some suggestions worth following:

  • Depending on where you’re departing from, select the ‘Nearby airports’ function (located under the departure and arrival form fields). Sometimes, alternative departure points will have more competitive fares.
  • If your travel plans aren’t etched in stone, click on the ‘Show flexible dates’ option to scan the flight deals for a variety of departure dates. If you find a better fare, book it.
  • You can also use the ‘Show options’ function to filter results for your preferred carrier, seating class, and nonstop and refundable flights. Under ‘Sort & Filter’ to the left, you can even pick the time of day you’d prefer to fly.
  • Once you’ve settled on your travel dates, lock in your flight. Fares generally get dearer as the departure date nears.
  • Think about bundling your hotels, flights and car rental into a package with Orbitz to make your dollar go further.
  • Flying during the busy season means costly airfares. Try to plan your vacation outside of popular dates, such as Christmas, New Year’s Eve and Easter.

What is the best time to book a flight to Longmont?
If your schedule allows, purchase your seats to Longmont in January. This is the best month to get low airfares, followed by February and August. With a bit of time and planning, you’re guaranteed to find a cheap flight with Orbitz.
What day of the week is the cheapest to book a flight to Longmont?
Make a booking on a Tuesday, Wednesday or Saturday. Generally, these are the cheapest days of the week to purchase tickets to Longmont. The getaway of your dreams starts with an impressive flight deal!
What is the cheapest day of the week to fly to Longmont?
Everybody enjoys a good deal, so think about departing early in the week for cheap flights to Longmont. Orbitz data from 2020 suggests you can grab the best prices on flights that take off on Mondays. Tuesdays are the next most affordable day, while Saturdays are the costliest. Many people like to travel when the working week is over, so leave those Saturdays for catching up with friends.
What is the cheapest month to fly to Longmont?
Consider traveling in August if you’re on a tight budget. Orbitz data shows that this is generally the best month for cheap flights to Longmont. June is when prices are at their highest.
Which airlines allow free cancellation?
Life changes, and your ticket should be able to do the same. That’s why Orbitz makes it a snap to search for flights with free cancellation and no change fees. Simply enter your departure and arrival points and then select “Filter by flexible change policies.” How’s that for peace of mind?
What do I need for the flight to Longmont?
There’s nothing more enjoyable than flying to a new place, but it pays to be prepared. This list of top tips will help get your trip off to a good start:

  • Your travel documents are the most important things you’ll need to take with you on your flight to Longmont. To avoid any confusion during check-in, make sure that the information displayed on your ticket is correct and matches your government-issued photo ID.
  • Take some activities to keep you amused on your journey to Longmont. Books, magazines and electronic devices like tablets and e-readers are ideal. Don’t forget to take a bottle of water too. Even on short flights, it’s important to remain well-hydrated.
  • It can get chilly on the plane. If you’d rather not shiver your way through the flight, pack an extra layer.

How do I get cheap first-class/business deals to Longmont?
Experienced travelers have mastered the art of finding first or business-class airfares to Longmont without the steep price tag. Be like them with these handy hints:

  • Flexibility is important. By being open to other travel dates, you’ll have a better chance of landing a great deal on first or business-class airfares.
  • Find a budget carrier that has seats in business class. They usually come with more legroom and a glass of Champagne — and a more attractive price.
  • Bid for an upgrade. Some carriers hold online auctions that let you offer a price for a seat up the front. You can also try upgrading with points earned through a loyalty program.

What is the best time to go to Longmont?
You’ll have fun whatever time of year you choose to visit Longmont, but April, August and October are when this place is at its busiest. Like to pack your schedule with plenty of warm-weather adventures? Book your vacation close to June 20. This is when summertime starts in the Northern Hemisphere. Expect the mercury to span between 60 ºF and 80 ºF during this time.
Travel tips for Longmont

  • Get into your comfy sneakers and tour this cool city on foot. There are plenty of terrific attractions to get around to, such as Longmont Museum and Deer Mountain Trail.
  • If you’re in the mood for a day trip, there are more sights waiting for you a short commute from the center. Find out why Ball Arena and Coors Field are on the must-do lists of most Longmont visitors.
  • When you want to explore other parts of Colorado, arrange a car rental and drive in the direction of Colorado Springs. Steamboat Springs is another key city with loads to see and do.

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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.