Popular in | June |
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Cheapest in | January |
Average price | $510 |
Round-trip from | $238 |
Flights from Washington, D.C. Dulles Intl Airport to Ontario are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Ontario.
To save on the cost of your flight from Washington, D.C. Dulles Intl Airport to Ontario, book at least 31 days before your planned departure. Booking around this time can save you about 85% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $366 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $592.
September can be a great time to fly to Ontario from Washington, D.C. Dulles Intl Airport with a flight ticket averaging about $351. Cheapflights users have found deals in the month of September for as cheap as $106. The most expensive prices can be found in the month of December.
It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Ontario in the evening. Doing so could potentially save you 23% on the flight price compared to flying in the afternoon, which is usually more expensive.
Fly from
Fly to
Budget
$287 - $502
Route
Depart
Return
Price
Washington, D.C. Dulles IntlOntario
IAD - ONT
IADONT
Washington, D.C. Dulles Intl
Sat 9/21
1 stop7h 29m
Ontario
Mon 9/23
1 stop6h 36m
Washington, D.C. Dulles IntlOntario
IAD - ONT
IADONT
Washington, D.C. Dulles Intl
Wed 10/30
1 stop9h 55m
Ontario
Sat 11/2
1 stop7h 27m
Washington, D.C. Dulles IntlOntario
IAD - ONT
IADONT
Washington, D.C. Dulles Intl
Sat 7/13
1 stop7h 10m
Ontario
Sat 7/27
1 stop7h 16m
Washington, D.C. Dulles IntlOntario
IAD - ONT
IADONT
Washington, D.C. Dulles Intl
Sat 8/24
1 stop10h 11m
Ontario
Mon 8/26
2 stops10h 21m
Washington, D.C. Dulles IntlOntario
IAD - ONT
IADONT
Washington, D.C. Dulles Intl
Sat 8/24
2 stops9h 11m
Ontario
Mon 8/26
2 stops10h 21m
Washington, D.C. Dulles IntlOntario
IAD - ONT
IADONT
Washington, D.C. Dulles Intl
Wed 7/17
1 stop7h 10m
Ontario
Mon 7/29
1 stop7h 45m
Washington, D.C. Dulles IntlOntario
IAD - ONT
IADONT
Washington, D.C. Dulles Intl
Mon 11/11
1 stop10h 28m
Ontario
Sat 11/16
1 stop9h 16m
Washington, D.C. Dulles IntlOntario
IAD - ONT
IADONT
Washington, D.C. Dulles Intl
Mon 6/3
1 stop11h 04m
Ontario
Wed 6/5
1 stop7h 59m
Washington, D.C. Dulles IntlOntario
IAD - ONT
IADONT
Washington, D.C. Dulles Intl
Fri 10/4
1 stop18h 48m
Ontario
Tue 10/8
1 stop28h 59m
Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Ontario (average of $238). Flying from Washington, D.C. Dulles Intl Airport to Ontario in July is currently the most expensive (average of $338). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
January
$268
February
$287
March
$281
April
$256
May
$268
June
$330
July
$338
August
$287
September
$258
October
$238
November
$268
December
$272
LAX Temperature | 57.2 - 73.4 °F |
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Boarding
Overall
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Entertainment
Food
Comfort
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Boarding
Overall
Crew
Entertainment
Food
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Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Boarding
Overall
Crew
Entertainment
Food
Comfort
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Boarding
Overall
Crew
Entertainment
Food
Comfort
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Boarding
Overall
Crew
Entertainment
Food
Comfort
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Boarding
Overall
Crew
Entertainment
Food
Comfort
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Cheapflights helps you search for flights from Dulles Intl to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Dulles Intl to Ontario for you. Better yet — we are completely free to use.
Need flexible booking options for your flight to Ontario from Dulles Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
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