Cheap flights from Washington Dulles Intl Airport to Ontario

Round-trip
1 adult
Economy
From?
To?
Tue 11/2
Tue 11/9

Travel Restriction Alert

The COVID-19 (coronavirus) outbreak may impact travel from Washington Dulles Intl to Ontario.
View current United States travel restrictions

Flight information for Washington Dulles Intl Airport to Ontario
(IAD to ONT)

Find info about flight duration, direct flights, and airports for your flight from Washington Dulles Intl Airport to Ontario
Best Price Found$206The best flight deal from Washington Dulles Intl Airport to Ontario found on momondo in the last 72 hours is $206
Fastest flight time6h 33mThe fastest flight from Washington Dulles Intl Airport to Ontario takes 6h 33m
Direct flightsNoneThere are no direct flights from Washington Dulles Intl Airport to Ontario. Popular non-direct route for this connection is Washington Dulles Intl Airport - Ontario Airport.
Airports in Ontario1 airportThere is 1 airport near Ontario: Ontario (ONT)

How to get the cheapest flight ticket from Washington Dulles Intl Airport to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from Washington Dulles Intl Airport to Ontario?

August

The cheapest time of year to fly to Ontario from Washington Dulles Intl Airport is August. Most expensive is December

What is the cheapest airline that flies to Ontario from Washington Dulles Intl Airport?

Frontier

American Airlines, Delta, and Frontier are the most popular carriers operating from Washington Dulles Intl Airport to Ontario

How far in advance should you book Washington Dulles Intl Airport to Ontario flights?

31 days before

The cheapest time to buy a flight from Washington Dulles Intl Airport to Ontario is approximately 31 days to departure

Easily compare round-trip flights from Washington Dulles Intl Airport to Ontario

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Washington Dulles Intl Airport to Ontario by changing tabs
Multiple Airlines
Dec 3
IAD10:21 amWashington Dulles Intl
8h 38m
1 stop
ONT6:59 pmOntario
Dec 11
ONT6:51 pmOntario
17h 38m
1 stop
IAD12:29 pmWashington Dulles Intl
$186
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American Airlines
Jan 11
IAD8:48 amWashington Dulles Intl
9h 43m
1 stop
ONT6:31 pmOntario
Jan 12
ONT5:25 pmOntario
7h 21m
1 stop
IAD12:46 amWashington Dulles Intl
$212
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United Airlines
Dec 4
IAD12:35 pmWashington Dulles Intl
9h 20m
1 stop
ONT9:55 pmOntario
Dec 6
ONT6:50 pmOntario
8h 33m
1 stop
IAD3:23 amWashington Dulles Intl
$224
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Delta
Dec 3
IAD2:20 amWashington Dulles Intl
7h 53m
1 stop
ONT10:13 amOntario
Dec 6
ONT8:10 amOntario
7h 26m
1 stop
IAD3:36 pmWashington Dulles Intl
$233
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Frontier
Nov 18
IAD6:05 amWashington Dulles Intl
15h 05m
1 stop
ONT9:10 pmOntario
Dec 8
ONT5:00 amOntario
21h 18m
3 stops
IAD2:18 amWashington Dulles Intl
$243
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Multiple Airlines
Dec 2
IAD6:16 amWashington Dulles Intl
14h 53m
1 stop
ONT9:09 pmOntario
Dec 3
ONT8:08 amOntario
7h 51m
1 stop
IAD3:59 pmWashington Dulles Intl
$206
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Find the cheapest one-way flights from Washington Dulles Intl Airport to Ontario

If you're looking for one-way flights from Washington Dulles Intl Airport to Ontario, view some of our deals below provided by American Airlines, Delta and Frontier
Frontier
Dec 2
IAD6:16 amWashington Dulles Intl
14h 53m
1 stop
ONT9:09 pmOntario
$90
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American Airlines
Nov 16
IAD10:21 amWashington Dulles Intl
8h 38m
1 stop
ONT6:59 pmOntario
$106
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Delta
Nov 13
IAD12:00 pmWashington Dulles Intl
7h 58m
1 stop
ONT7:58 pmOntario
$117
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Search last-minute flights to Ontario from Washington Dulles Intl Airport

Find and compare flight prices for your last-minute flight from Washington Dulles Intl Airport to Ontario
Multiple Airlines
Nov 7
IAD6:12 amWashington Dulles Intl
14h 54m
1 stop
ONT9:06 pmOntario
Nov 13
ONT1:00 amOntario
9h 12m
1 stop
IAD10:12 amWashington Dulles Intl
$256
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United Airlines
Nov 5
IAD1:15 pmWashington Dulles Intl
22h 19m
1 stop
ONT11:34 amOntario
Nov 13
ONT1:00 amOntario
9h 55m
1 stop
IAD10:55 amWashington Dulles Intl
$328
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American Airlines
Nov 6
IAD7:01 amWashington Dulles Intl
13h 12m
2 stops
ONT8:13 pmOntario
Nov 12
ONT5:25 pmOntario
9h 04m
1 stop
IAD2:29 amWashington Dulles Intl
$332
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Delta
Nov 3
IAD3:40 amWashington Dulles Intl
7h 42m
1 stop
ONT11:22 amOntario
Nov 9
ONT1:00 amOntario
14h 13m
2 stops
IAD3:13 pmWashington Dulles Intl
$335
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Alaska Airlines
Nov 2
IAD3:42 amWashington Dulles Intl
10h 26m
1 stop
ONT2:08 pmOntario
Nov 10
ONT5:30 amOntario
10h 17m
1 stop
IAD3:47 pmWashington Dulles Intl
$351
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Frontier
Nov 4
IAD7:15 amWashington Dulles Intl
12h 51m
1 stop
ONT8:06 pmOntario
Nov 22
ONT4:59 amOntario
21h 21m
3 stops
IAD2:20 amWashington Dulles Intl
$410
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Best airlines flying from Washington Dulles Intl Airport to Ontario

Compare and see reviews for airlines that fly from Washington Dulles Intl Airport to Ontario with momondo
AirlineRatingFree CancellationPrice
Frontier
PriceFrom $106
Free Cancellation
Rating
6.2
6.6

Boarding

5.9

Comfort

7.0

Crew

4.8

Entertainment

5.0

Food

Reviews

Uncomfortable seats

1 / 10
Search Frontier flights
United Airlines
PriceFrom $149
Free Cancellation
Rating
6.9
7.3

Boarding

6.7

Comfort

7.5

Crew

6.7

Entertainment

6.2

Food

Reviews

I liked the perks of boarding first being star alliance gold, but as for the food , wanted more snacks and what they had to offer was not sufficient. Seats were not comfortable as could Not recline and it was not wide enough

1 / 10
Search United Airlines flights
Delta
PriceFrom $157
Free Cancellation
Rating
8.2
8.2

Boarding

8.4

Comfort

8.3

Crew

8.1

Entertainment

8.0

Food

Reviews

Great

1 / 10
Search Delta flights
American Airlines
PriceFrom $209
Free Cancellation
Rating
7.2
7.4

Boarding

7.1

Comfort

7.8

Crew

7.1

Entertainment

6.8

Food

Reviews

Flight attendant for first class is definitely not a morning person. Oh and the WiFi DID NOT WORK!

1 / 10
Search American Airlines flights

  • Are airlines flying from Washington Dulles Intl to Ontario offering flexible cancellation due to COVID-19?

    Due to the global impact of COVID-19, some of our airline partners operating flights from Washington Dulles Intl to Ontario, such as Frontier, United Airlines, and American Airlines may have put in place flexible cancellation policies. Use our site to search for all of the airlines offering this flexibility to you.

  • How far is Washington Dulles Intl to Ontario by plane?

    There are 2238.2 mi between Washington Dulles Intl and Ontario. In terms of flight time, this usually takes a little over 7h 30m.

Can I fly to Ontario from Washington Dulles Intl right now?

Information is based on travel restrictions for travel to Ontario within the United States

Most visitors from Washington Dulles Intl need to provide a negative COVID-19 test result and/or quarantine to enter Ontario.

COVID-19 testing requirements
Visitors from Washington Dulles Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Ontario.

Quarantine requirements
Visitors from Washington Dulles Intl are not required to quarantine after entering Ontario.

Can I fly back to Washington Dulles Intl from Ontario?

Returning to Washington Dulles Intl from Ontario

COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Washington Dulles Intl.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Washington Dulles Intl.

If you are planning to travel to Ontario at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.

Alternative routes for Washington Dulles Intl Airport to Ontario

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Washington to Los Angeles Flights
Fastest flight time5h 42m
Cheapest price$80
Washington to Oakland, California Flights
Fastest flight time7h 21m
Cheapest price$103
Washington to San Diego Flights
Fastest flight time7h 22m
Cheapest price$125
Washington to Ontario Flights
Fastest flight time7h 26m
Cheapest price$128
Washington to San Francisco Flights
Fastest flight time6h 05m
Cheapest price$128
Washington to Santa Ana Flights
Fastest flight time7h 39m
Cheapest price$136
Washington to Sacramento Flights
Fastest flight time8h 28m
Cheapest price$194
Washington to Burbank Flights
Fastest flight time6h 57m
Cheapest price$204
Washington to San Jose Flights
Fastest flight time7h 52m
Cheapest price$252
Washington to Palm Springs Flights
Fastest flight time7h 26m
Cheapest price$284

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