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 $152 One Way, $282 Round Trip

Prices starting at $282 for return flights and $152 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.

Wed, Sep 23 - Thu, Sep 24
ONT
Ontario
IAD
Washington
$282 Roundtrip, found 2 days ago
$282
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Sep 23 from Ontario to Washington, returning Thu, Sep 24, priced at $282 found 2 days ago
Mon, Sep 28 - Sat, Oct 3
ONT
Ontario
IAD
Washington
$297 Roundtrip, found 3 days ago
$297
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Sep 28 from Ontario to Washington, returning Sat, Oct 3, priced at $297 found 3 days ago
Wed, Sep 9 - Mon, Sep 14
ONT
Ontario
IAD
Washington
$317 Roundtrip, found 3 days ago
$317
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Sep 9 from Ontario to Washington, returning Mon, Sep 14, priced at $317 found 3 days ago
Fri, Sep 11 - Mon, Sep 14
ONT
Ontario
IAD
Washington
$319 Roundtrip, found 1 day ago
$319
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Sep 11 from Ontario to Washington, returning Mon, Sep 14, priced at $319 found 1 day ago
Tue, Sep 22 - Sat, Sep 26
ONT
Ontario
IAD
Washington
$321 Roundtrip, found 1 day ago
$321
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Sep 22 from Ontario to Washington, returning Sat, Sep 26, priced at $321 found 1 day ago

Hotel Ideas near Washington Dulles Intl.

Airport Hotels near Washington Dulles Intl.

Hyatt Regency Dulles International Airport

Hyatt Regency Dulles International Airport

4 out of 5
2300 Dulles Corner Blvd Herndon VA
$127 nightly
The price is $146 total per night from Aug 21 to Aug 22
$146 total
Aug 21 - Aug 22
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
$152 nightly
The price is $173 total per night from Aug 14 to Aug 15
$173 total
Aug 14 - Aug 15
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 ...
Washington Dulles Airport Marriott
Hyatt Place Herndon Dulles Airport East

Hyatt Place Herndon Dulles Airport East

3 out of 5
13711 Sayward Blvd Herndon VA
$102 nightly
The price is $117 total per night from Sep 6 to Sep 7
$117 total
Sep 6 - Sep 7
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! (3,025 reviews)
"Good"

Reviewed on Aug 8, 2026

Hyatt Place Herndon Dulles Airport East
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
$102 nightly
The price is $117 total per night from Sep 3 to Sep 4
$117 total
Sep 3 - Sep 4
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! (1,537 reviews)
"Room was nice. Great price. Breakfast was decent. Shower was hot. I enjoyed the stay."

Reviewed on Aug 8, 2026

Wingate by Wyndham Chantilly / Dulles Airport
MainStay Suites Washington Dulles Airport

MainStay Suites Washington Dulles Airport

2.5 out of 5
4506 Brookfield Corporate Dr Chantilly VA
$75 nightly
The price is $86 total per night from Aug 9 to Aug 10
$86 total
Aug 9 - Aug 10
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 Steven F. Udvar-Hazy Center ...
MainStay Suites Washington Dulles Airport
Hyatt Regency Dulles International Airport

Hyatt Regency Dulles International Airport

4 out of 5
2300 Dulles Corner Blvd Herndon VA
$127 nightly
The price is $146 total per night from Aug 21 to Aug 22
$146 total
Aug 21 - Aug 22
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
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
$102 nightly
The price is $117 total per night from Sep 3 to Sep 4
$117 total
Sep 3 - Sep 4
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! (1,537 reviews)
"Room was nice. Great price. Breakfast was decent. Shower was hot. I enjoyed the stay."

Reviewed on Aug 8, 2026

Wingate by Wyndham Chantilly / Dulles Airport
Comfort Suites Dulles Airport

Comfort Suites Dulles Airport

2.5 out of 5
13980 Metrotech Dr Chantilly VA
$97 nightly
The price is $111 total per night from Aug 15 to Aug 16
$111 total
Aug 15 - Aug 16
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 ...
7.6/10 Good! (1,004 reviews)
"When booked through Expedia, the Hotel stated that my card was denied and I had to pay before checking out. Not sure if that is a knock-on Expedia or the hotel. The Hotel was under construction so not great, but when they complete the work, I am sure it would be very nice."

Reviewed on Aug 7, 2026

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
$105 nightly
The price is $119 total per night from Sep 7 to Sep 8
$119 total
Sep 7 - Sep 8
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 ...
8.8/10 Excellent! (1,011 reviews)
"Staff was fantastic. They were so helpful."

Reviewed on Aug 8, 2026

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
$98 nightly
The price is $112 total per night from Aug 29 to Aug 30
$112 total
Aug 29 - Aug 30
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 ...
8.4/10 Very Good! (1,002 reviews)
"Front desk person was welcoming. The room was clean and comfortable. The air conditioning worked very well. Seemed like it was recently remodeled (new carpets in the hallways). They gave us a handicapped room...which we didn't need, but ok. I can't understand how or why they end up making the shower ..."

Reviewed on Aug 8, 2026

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 Aug 9 to Aug 10
$102 total
Aug 9 - Aug 10
Total with taxes and fees
Stay at this hotel in Chantilly. Enjoy free WiFi, free parking, and laundry facilities. Popular attractions Steven F. Udvar-Hazy Center and Fair Oaks Mall are ...
6.4/10 (524 reviews)
"Restroom ceiling with mold points, very low internal lighting, found hair on restroom. Other than that ok, just spent few hours to get my family early at IAD airport."

Reviewed on Aug 6, 2026

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
$102 nightly
The price is $117 total per night from Sep 3 to Sep 4
$117 total
Sep 3 - Sep 4
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! (1,537 reviews)
"Room was nice. Great price. Breakfast was decent. Shower was hot. I enjoyed the stay."

Reviewed on Aug 8, 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
$110 nightly
The price is $127 total per night from Aug 14 to Aug 15
$127 total
Aug 14 - Aug 15
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! (1,007 reviews)
"It was a nice property and breakfast included was nice. A bit further from airport than I wanted and no shuttle so uber could get expensive due to traffic."

Reviewed on Aug 6, 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
$105 nightly
The price is $119 total per night from Sep 7 to Sep 8
$119 total
Sep 7 - Sep 8
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 ...
8.8/10 Excellent! (1,011 reviews)
"Staff was fantastic. They were so helpful."

Reviewed on Aug 8, 2026

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
$97 nightly
The price is $111 total per night from Aug 15 to Aug 16
$111 total
Aug 15 - Aug 16
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 ...
7.6/10 Good! (1,004 reviews)
"When booked through Expedia, the Hotel stated that my card was denied and I had to pay before checking out. Not sure if that is a knock-on Expedia or the hotel. The Hotel was under construction so not great, but when they complete the work, I am sure it would be very nice."

Reviewed on Aug 7, 2026

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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