Cheap flights from ONT to IAD (Ontario Intl. Airport to Washington Dulles Intl.)

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Cheap Flights from ONT to IAD starting at $107 One Way, $175 Round Trip

Prices starting at $175 for return flights and $107 for one-way flights to Washington Dulles Intl. were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 17 - Sat, Oct 24
ONT
Ontario
IAD
Washington
$175 Roundtrip, found 4 days ago
$175
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Oct 17 from Ontario to Washington, returning Sat, Oct 24, priced at $175 found 4 days ago
Tue, Oct 13 - Sat, Oct 24
ONT
Ontario
IAD
Washington
$176 Roundtrip, found 2 days ago
$176
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Oct 13 from Ontario to Washington, returning Sat, Oct 24, priced at $176 found 2 days ago
Wed, Oct 14 - Mon, Oct 19
ONT
Ontario
IAD
Washington
$190 Roundtrip, found 4 days ago
$190
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Wed, Oct 14 from Ontario to Washington, returning Mon, Oct 19, priced at $190 found 4 days ago
Mon, Oct 19 - Thu, Oct 22
ONT
Ontario
IAD
Washington
$205 Roundtrip, found 2 days ago
$205
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Oct 19 from Ontario to Washington, returning Thu, Oct 22, priced at $205 found 2 days ago
Sat, Oct 17 - Sat, Oct 24
ONT
Ontario
IAD
Washington
$212 Roundtrip, found 4 days ago
$212
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Oct 17 from Ontario to Washington, returning Sat, Oct 24, priced at $212 found 4 days ago

Hotel Ideas near Washington Dulles Intl.

Airport Hotels near Washington Dulles Intl.

Hyatt Place Herndon Dulles Airport East

Hyatt Place Herndon Dulles Airport East

3 out of 5
13711 Sayward Blvd Herndon VA
$101 nightly
The price is $116 total per night from Sep 27 to Sep 28
$116 total
Sep 27 - Sep 28
Total with taxes and fees
Book a stay at this business-friendly hotel in Herndon. Enjoy free breakfast, free WiFi, and a free airport shuttle. Our guests praise the breakfast and the ...
8.4/10 Very Good! (3,122 reviews)
"There was a lot of water damage on the floor I stayed in. The staff was nice but they offered to arrange a cab to the airport because it was too early for shuttles. They told me one price but when I got to the airport the driver charged me more, and didn’t have any change to pay for the additional ..."

Reviewed on Sep 20, 2026

Hyatt Place Herndon Dulles Airport East
Hyatt Regency Dulles International Airport

Hyatt Regency Dulles International Airport

4 out of 5
2300 Dulles Corner Blvd Herndon VA
$144 nightly
The price is $165 total per night from Oct 3 to Oct 4
$165 total
Oct 3 - Oct 4
Total with taxes and fees
Book a stay at this golf hotel in Herndon. Enjoy free WiFi, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful staff and the clean ...
Hyatt Regency Dulles International Airport
Washington Dulles Airport Marriott

Washington Dulles Airport Marriott

4 out of 5
45020 Aviation Dr Sterling VA
$178 nightly
The price is $203 total per night from Sep 25 to Sep 26
$203 total
Sep 25 - Sep 26
Total with taxes and fees
Book a stay at this business-friendly hotel in Sterling. Enjoy an outdoor pool, 2 restaurants, and breakfast (surcharge). Our guests praise the helpful staff ...
8.4/10 Very Good! (1,002 reviews)
"Bar closed at 11 PM. Room was located a very long way from reception, Ice machine on second floor didn't work."

Reviewed on Sep 20, 2026

Washington Dulles Airport Marriott
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Hotels In Washington

Wingate by Wyndham Chantilly / Dulles Airport

Wingate by Wyndham Chantilly / Dulles Airport

3 out of 5
3940 Centerview Dr Chantilly VA
$116 nightly
The price is $134 total per night from Sep 27 to Sep 28
$134 total
Sep 27 - Sep 28
Total with taxes and fees
Book a stay at this business-friendly hotel in Chantilly. Enjoy free breakfast, free parking, and a free airport shuttle. Our guests praise the breakfast and ...
8.2/10 Very Good! (1,603 reviews)
"Everything was good . Breakfast needs atleast one additional dish ,,"

Reviewed on Sep 20, 2026

Wingate by Wyndham Chantilly / Dulles Airport
Holiday Inn Chantilly - Dulles Arpt Area by IHG

Holiday Inn Chantilly - Dulles Arpt Area by IHG

3 out of 5
4335 Chantilly Shopping Ctr Chantilly VA
$101 nightly
The price is $116 total per night from Oct 1 to Oct 2
$116 total
Oct 1 - Oct 2
Total with taxes and fees
Book a stay at this business-friendly hotel in Chantilly. Enjoy free WiFi, free parking, and an outdoor pool. Our guests praise the helpful staff in our reviews. ...
8.4/10 Very Good! (1,000 reviews)
"We liked the cleanliness of the hotel and the breakfast server Kenny's heartfelt courtesy and professionalism as well as the helpfulness and kindness of the receptionist Aisha. As a principle, supplies in the room must include bottle of drinking water and other items even for the bookers via 3rd ..."

Reviewed on Sep 14, 2026

Holiday Inn Chantilly - Dulles Arpt Area by IHG
MainStay Suites Washington Dulles Airport

MainStay Suites Washington Dulles Airport

2.5 out of 5
4506 Brookfield Corporate Dr Chantilly VA
$76 nightly
The price is $87 total per night from Oct 19 to Oct 20
$87 total
Oct 19 - Oct 20
Total with taxes and fees
Book a stay at this business-friendly hotel in Chantilly. Enjoy free breakfast, free WiFi, and free parking. Popular attractions Fair Oaks Mall and Chantilly ...
MainStay Suites Washington Dulles Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Washington Hotels With Airport Transportation

Wingate by Wyndham Chantilly / Dulles Airport

Wingate by Wyndham Chantilly / Dulles Airport

3 out of 5
3940 Centerview Dr Chantilly VA
The price is $134 total per night from Sep 27 to Sep 28
$134 total
per night
Sep 27 - Sep 28
Book a stay at this business-friendly hotel in Chantilly. Enjoy free breakfast, free parking, and a free airport shuttle. Our guests praise the breakfast and ...
Wingate by Wyndham Chantilly / Dulles Airport
Comfort Suites Dulles Airport

Comfort Suites Dulles Airport

2.5 out of 5
13980 Metrotech Dr Chantilly VA
The price is $116 total per night from Sep 27 to Sep 28
$116 total
per night
Sep 27 - Sep 28
Book a stay at this business-friendly hotel in Chantilly. Enjoy free breakfast, free parking, and a free airport shuttle. Our guests praise the helpful staff ...
Comfort Suites Dulles Airport
Hampton Inn Washington-Dulles Int'l Airport South

Hampton Inn Washington-Dulles Int'l Airport South

2.5 out of 5
4050 Westfax Dr Chantilly VA
The price is $132 total per night from Sep 27 to Sep 28
$132 total
per night
Sep 27 - Sep 28
Book a stay at this business-friendly hotel in Chantilly. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
Hampton Inn Washington-Dulles Int'l Airport South
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Low Priced Washington Hotels

Fairfield Inn & Suites Dulles Airport Chantilly

Fairfield Inn & Suites Dulles Airport Chantilly

3 out of 5
3960 Corsair Ct Chantilly VA
$128 nightly
The price is $147 total per night from Oct 4 to Oct 5
$147 total
Oct 4 - Oct 5
Total with taxes and fees
Stay at this hotel in Chantilly. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean rooms in our reviews. Popular ...
Fairfield Inn & Suites Dulles Airport Chantilly
Studio 6 – Chantilly, VA – Washington Dulles Airport

Studio 6 – Chantilly, VA – Washington Dulles Airport

2.5 out of 5
14420 Chantilly Crossing Ln Chantilly VA
$89 nightly
The price is $102 total per night from Sep 27 to Sep 28
$102 total
Sep 27 - Sep 28
Total with taxes and fees
Stay at this hotel in Chantilly. Enjoy free WiFi, free parking, and laundry facilities. Popular attractions Fair Oaks Mall and Chantilly Crossing Shopping Center ...
Studio 6 – Chantilly, VA – Washington Dulles Airport
Wingate by Wyndham Chantilly / Dulles Airport

Wingate by Wyndham Chantilly / Dulles Airport

3 out of 5
3940 Centerview Dr Chantilly VA
$116 nightly
The price is $134 total per night from Sep 27 to Sep 28
$134 total
Sep 27 - Sep 28
Total with taxes and fees
Book a stay at this business-friendly hotel in Chantilly. Enjoy free breakfast, free parking, and a free airport shuttle. Our guests praise the breakfast and ...
8.2/10 Very Good! (1,603 reviews)
"Everything was good . Breakfast needs atleast one additional dish ,,"

Reviewed on Sep 20, 2026

Wingate by Wyndham Chantilly / Dulles Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Family Friendly Hotels in Washington

Hyatt Place Chantilly Dulles Airport-South

Hyatt Place Chantilly Dulles Airport-South

3 out of 5
4994 Westone Plaza Centreville VA
$118 nightly
The price is $136 total per night from Oct 11 to Oct 12
$136 total
Oct 11 - Oct 12
Total with taxes and fees
Book a stay at this business-friendly hotel in Centreville. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
8.6/10 Excellent! (1,000 reviews)
"A very good hotel with good service; the only issue was that the pool wasn't working, but overall, everything was fine."

Reviewed on Sep 17, 2026

Hyatt Place Chantilly Dulles Airport-South
Hampton Inn Washington-Dulles Int'l Airport South

Hampton Inn Washington-Dulles Int'l Airport South

2.5 out of 5
4050 Westfax Dr Chantilly VA
$115 nightly
The price is $132 total per night from Sep 27 to Sep 28
$132 total
Sep 27 - Sep 28
Total with taxes and fees
Book a stay at this business-friendly hotel in Chantilly. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
Hampton Inn Washington-Dulles Int'l Airport South
Comfort Suites Dulles Airport

Comfort Suites Dulles Airport

2.5 out of 5
13980 Metrotech Dr Chantilly VA
$101 nightly
The price is $116 total per night from Sep 27 to Sep 28
$116 total
Sep 27 - Sep 28
Total with taxes and fees
Book a stay at this business-friendly hotel in Chantilly. Enjoy free breakfast, free parking, and a free airport shuttle. Our guests praise the helpful staff ...
Comfort Suites Dulles Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

ONT to IAD Route Info

Origin Airport
Destination Airport
Number Of Airlines Serving
Distance
Shortest Flight Departure Time
Shortest Flight Departure Date
ONT Address & GPS
Address:
2900 E. Airport Drive
Ontario CA, 91761
United States
IATA Code:
ONT
Longitude:
-117.601193
Latitude:
34.056001
Time Zone:
America/Los_Angeles
IAD Address & GPS
Address:
1 Saarinen Circle
Dulles VA, 20166
United States
IATA Code:
IAD
Longitude:
-77.447735
Latitude:
38.95315
Time Zone:
America/New_York

Frequently asked questions

Are there non-stop flights from Ontario Airport to Washington Dulles Intl. Airport (IAD)?
Flying from Ontario Airport to Washington Dulles Intl. Airport (IAD) means you're going to have to swap planes. But hey — there's no need to worry. United Airlines, Delta Air Lines and Southwest Airlines offer flights with only one simple stopover.
What is the shortest flight from Los Angeles - Ontario Intl. Airport (ONT) to Washington Dulles Intl. Airport (IAD)?
Relish in a glass of vino and get cozy in your seat with a fascinating novel or movie. With the flight from Ontario to Washington taking 6 hours and 24 minutes, you'll have enough time to relax and enjoy the experience.
How many hours flight from Los Angeles - Ontario Intl. Airport (ONT) to Washington Dulles Intl. Airport (IAD)?
Typically, the trip from Los Angeles - Ontario Intl. Airport (ONT) to Dulles Intl. Airport takes 6 hours and 28 minutes. If you want to be as comfortable as you can, consider upgrading your seat using miles or cash.
What airlines have the most flights from Ontario Airport to Dulles Intl. Airport?
You'll have to make one or more stopovers if you plan to travel from ONT to Washington Dulles Intl. Airport (IAD). For now, there aren't any airlines that offer nonstop flights on this route.

Map To Nearby Hotels

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.

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