Cheap flights from Ontario to Washington, D.C. from $146

Round-trip
1 adult
Economy
From?
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Sun 7/3
Sun 7/10

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Flight information for Ontario to Washington, D.C.
(ONT to WAS)

Find info about flight duration, direct flights, and airports for your flight from Ontario to Washington, D.C.

Best Price Found

$146

Fastest flight time

6h 25m

Direct flights

None

Airports in Washington, D.C.

2 airports
The best one-way flight to Washington, D.C. from Ontario in the past 72 hours is $146. The best round-trip flight deal from Ontario to Washington, D.C. found on momondo in the last 72 hours is $301.
The fastest flight from Ontario to Washington, D.C. takes 6h 25m
There are no direct flights from Ontario to Washington, D.C.. Popular non-direct routes for this connection are Ontario Airport - Washington, D.C. Reagan-National Airport, Ontario Airport - Washington, D.C. Dulles Intl Airport and Ontario Airport - Baltimore/Washington Airport.
There are 2 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD)

How to get the cheapest flight ticket from Ontario to Washington, D.C.

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 Ontario to Washington, D.C.?

October

The cheapest time of year to fly to Washington, D.C. from Ontario is October. Most expensive is May

What is the cheapest day to depart Ontario for Washington, D.C.?

Thursday

The cheapest day of the week is typically Thursday. The most expensive is typically Sunday

When is the cheapest time to fly from Ontario to Washington, D.C.?

in the afternoon

Ontario to Washington, D.C. flights are approximately 47% more expensive in the morning than in the afternoon

What is the cheapest airline that flies to Washington, D.C. from Ontario?

Juneyao Airlines

Alaska Airlines, Delta, and Frontier are the most popular carriers operating from Ontario to Washington, D.C.

What is the cheapest Ontario to Washington, D.C. flight route?

Ontario - Washington, D.C. Reagan-National

Fly from Ontario to Washington, D.C. Reagan-National for the best Ontario - Washington, D.C. flight prices

How far in advance should you book Ontario to Washington, D.C. flights?

25 days before

The cheapest time to buy a flight from Ontario to Washington, D.C. is approximately 25 days to departure

When traveling from Ontario to Washington, D.C., the most popular airport to fly into is Washington, D.C. Dulles Intl Airport. The majority of travelers flying into Washington, D.C. Dulles Intl Airport from Ontario are departing from Ontario Airport. If you are looking for alternate airports to fly out of when traveling to Washington, D.C., you can try flying out of Los Angeles Airport (in Los Angeles), Santa Ana J. Wayne/Orange Cnty Airport (in Santa Ana), or Long Beach Municipal Airport (in Long Beach). When traveling from Ontario, it is helpful to have an alternative airport to fly into when you land in Washington, D.C.. The nearest airport to Washington, D.C. Dulles Intl Airport is Washington, D.C. Reagan-National Airport which is located in Washington, D.C.. In June, $246 is typically the cheapest round trip price you’ll find from Ontario to Washington, D.C. which you can find when you fly LAX — IAD.

Los Angeles Airport (LAX) to Washington, D.C. Reagan-National Airport (DCA)$255
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Los Angeles Airport (LAX) to Washington, D.C. Dulles Intl Airport (IAD)$246
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Ontario Airport (ONT) to Washington, D.C. Reagan-National Airport (DCA)$301
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Ontario Airport (ONT) to Washington, D.C. Dulles Intl Airport (IAD)$410
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Santa Ana J. Wayne/Orange Cnty Airport (SNA) to Washington, D.C. Dulles Intl Airport (IAD)$317
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Santa Ana J. Wayne/Orange Cnty Airport (SNA) to Washington, D.C. Reagan-National Airport (DCA)$281
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Easily compare round-trip flights from Ontario to Washington, D.C.

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 Ontario to Washington, D.C. by changing tabs
Frontier
Jul 12
ONT1:30 amOntario
9h 27m
1 stop
DCA10:57 amWashington, D.C. Reagan-National
Jul 18
DCA3:00 amWashington, D.C. Reagan-National
13h 30m
1 stop
ONT4:30 pmOntario
Multiple Airlines
Aug 31
ONT6:33 amOntario
8h 26m
1 stop
DCA2:59 pmWashington, D.C. Reagan-National
Sep 10
DCA11:10 amWashington, D.C. Reagan-National
8h 58m
1 stop
ONT8:08 pmOntario
American Airlines
Sep 23
ONT8:07 pmOntario
7h 53m
1 stop
DCA4:00 amWashington, D.C. Reagan-National
Oct 1
DCA1:30 amWashington, D.C. Reagan-National
7h 34m
1 stop
ONT9:04 amOntario
Delta
Oct 25
ONT9:35 amOntario
6h 58m
1 stop
IAD4:33 pmWashington, D.C. Dulles Intl
Nov 2
IAD3:40 amWashington, D.C. Dulles Intl
7h 45m
1 stop
ONT11:25 amOntario
Alaska Airlines
Sep 3
ONT6:00 amOntario
10h 59m
1 stop
IAD4:59 pmWashington, D.C. Dulles Intl
Sep 11
IAD3:00 amWashington, D.C. Dulles Intl
10h 03m
1 stop
ONT1:03 pmOntario
United Airlines
Aug 24
ONT2:00 amOntario
12h 15m
1 stop
IAD2:15 pmWashington, D.C. Dulles Intl
Aug 29
IAD6:35 pmWashington, D.C. Dulles Intl
16h 39m
2 stops
ONT11:14 amOntario

Find the cheapest one-way flights from Ontario to Washington, D.C.

If you're looking for one-way flights from Ontario to Washington, D.C., view some of our deals below provided by American Airlines, Delta and Frontier
Frontier
Jul 14
ONT1:30 amOntario
9h 27m
1 stop
DCA10:57 amWashington, D.C. Reagan-National
American Airlines
Sep 19
ONT6:21 pmOntario
9h 05m
1 stop
IAD3:26 amWashington, D.C. Dulles Intl
Delta
Aug 30
ONT6:35 pmOntario
7h 29m
1 stop
BWI2:04 amBaltimore/Washington

Search last-minute flights to Washington, D.C. from Ontario

Find and compare round-trip flight prices for your last-minute flight from Ontario to Washington, D.C.
Frontier
Jul 7
ONT1:30 amOntario
9h 27m
1 stop
DCA10:57 amWashington, D.C. Reagan-National
Jul 18
DCA3:00 amWashington, D.C. Reagan-National
13h 30m
1 stop
ONT4:30 pmOntario
Multiple Airlines
Jul 4
ONT1:39 amOntario
6h 30m
1 stop
DCA8:09 amWashington, D.C. Reagan-National
Jul 19
DCA3:00 amWashington, D.C. Reagan-National
8h 11m
1 stop
ONT11:11 amOntario
United Airlines
Jul 3
ONT2:45 pmOntario
9h 38m
1 stop
BWI12:23 amBaltimore/Washington
Jul 4
BWI12:17 pmBaltimore/Washington
7h 23m
1 stop
ONT7:40 pmOntario
American Airlines
Jul 4
ONT2:30 amOntario
10h 57m
2 stops
BWI1:27 pmBaltimore/Washington
Jul 12
BWI3:17 amBaltimore/Washington
11h 40m
2 stops
ONT2:57 pmOntario
Frontier
Jul 3
ONT1:30 amOntario
9h 29m
1 stop
DCA10:59 amWashington, D.C. Reagan-National
Aug 2
DCA3:00 amWashington, D.C. Reagan-National
8h 11m
1 stop
ONT11:11 amOntario
Multiple Airlines
Jul 4
ONT2:10 amOntario
7h 19m
1 stop
DCA9:29 amWashington, D.C. Reagan-National
Aug 10
DCA9:18 amWashington, D.C. Reagan-National
8h 38m
1 stop
ONT5:56 pmOntario

Best airlines flying from Ontario to Washington, D.C.

Compare and see reviews for airlines that fly from Ontario to Washington, D.C. with momondo
AirlineRatingFree CancellationPrice
Juneyao AirlinesPriceFrom $18Free CancellationRating
0.0
Search Juneyao Airlines flights
FrontierPriceFrom $85Free CancellationRating
6.2
6.4

Boarding

5.8

Comfort

7.0

Crew

4.7

Entertainment

5.0

Food

Reviews

Thé flight was on time

1 / 10
Search Frontier flights
United AirlinesPriceFrom $117Free CancellationRating
7.2
7.5

Boarding

7.1

Comfort

8.0

Crew

6.9

Entertainment

6.5

Food

Reviews

Very bad things so I don’t like it and when airplane arrive at EWR then stay on parking for over 30 minutes so the people got complaints so this very bad

1 / 10
Search United Airlines flights
Alaska AirlinesPriceFrom $129Free CancellationRating
7.9
8.2

Boarding

7.9

Comfort

8.5

Crew

7.2

Entertainment

7.1

Food

Reviews

Movies/screens

1 / 10
Search Alaska Airlines flights
JetBluePriceFrom $162Free CancellationRating
6.9
7.1

Boarding

7.3

Comfort

7.7

Crew

7.0

Entertainment

6.5

Food

Reviews

So bad

1 / 10
Search JetBlue flights
DeltaPriceFrom $179Free CancellationRating
7.8
7.9

Boarding

8.0

Comfort

8.3

Crew

7.7

Entertainment

7.3

Food

Reviews

This is another disease as if you have the Internet, you are ordinary deceivers!

1 / 10
Search Delta flights
American AirlinesPriceFrom $213Free CancellationRating
7.0
7.4

Boarding

7.1

Comfort

8.0

Crew

6.8

Entertainment

6.4

Food

Reviews

Unfriendly check in staff

1 / 10
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Delta flights from Ontario to Washington, D.C.

Our best Delta deals on Ontario to Washington, D.C. flight tickets
Delta
Oct 25
ONT9:35 amOntario
6h 58m
1 stop
IAD4:33 pmWashington, D.C. Dulles Intl
Nov 2
IAD3:40 amWashington, D.C. Dulles Intl
7h 45m
1 stop
ONT11:25 amOntario
Delta
Nov 5
ONT9:35 amOntario
6h 42m
1 stop
BWI4:17 pmBaltimore/Washington
Nov 14
BWI1:12 pmBaltimore/Washington
7h 43m
1 stop
ONT8:55 pmOntario
Delta
Sep 13
ONT9:37 amOntario
7h 09m
1 stop
IAD4:46 pmWashington, D.C. Dulles Intl
Sep 17
IAD3:50 amWashington, D.C. Dulles Intl
7h 36m
1 stop
ONT11:26 amOntario

Alaska Airlines flights from Ontario to Washington, D.C.

Our best Alaska Airlines deals on Ontario to Washington, D.C. flight tickets
Alaska Airlines
Sep 3
ONT6:00 amOntario
10h 59m
1 stop
IAD4:59 pmWashington, D.C. Dulles Intl
Sep 11
IAD3:00 amWashington, D.C. Dulles Intl
10h 03m
1 stop
ONT1:03 pmOntario
Alaska Airlines
Oct 25
ONT6:30 amOntario
10h 23m
1 stop
IAD4:53 pmWashington, D.C. Dulles Intl
Nov 1
IAD2:55 pmWashington, D.C. Dulles Intl
17h 40m
1 stop
ONT8:35 amOntario
Alaska Airlines
Oct 19
ONT6:30 amOntario
10h 23m
1 stop
IAD4:53 pmWashington, D.C. Dulles Intl
Oct 26
IAD3:00 amWashington, D.C. Dulles Intl
10h 29m
1 stop
ONT1:29 pmOntario

  • Are airlines flying from Ontario to Washington, D.C. offering flexible cancellation due to COVID-19?

    To ease the stress of booking flights, some of our airline partners flying from Ontario to Washington, D.C. are responding to the global pandemic. The following airlines may have a flexible cancellation policy to help accommodate travelers: American Airlines, United Airlines, and Delta.

  • How far is Ontario to Washington, D.C. by plane?

    Ontario and Washington, D.C. are 2260.6 mi apart from one another. In terms of flight time, this usually takes a little over 6h 23m.



Alternative routes for Ontario to Washington, D.C.

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Los Angeles to Washington, D.C. Flights
Fastest flight time4h 46m
Cheapest price$246
San Francisco to Washington, D.C. Flights
Fastest flight time5h 05m
Cheapest price$281
San Diego to Washington, D.C. Flights
Fastest flight time6h 41m
Cheapest price$281
Oakland, California to Washington, D.C. Flights
Fastest flight time7h 00m
Cheapest price$241
San Jose to Washington, D.C. Flights
Fastest flight time6h 58m
Cheapest price$342
Santa Ana to Washington, D.C. Flights
Fastest flight time6h 38m
Cheapest price$281
Sacramento to Washington, D.C. Flights
Fastest flight time7h 31m
Cheapest price$241
Reno to Washington, D.C. Flights
Fastest flight time6h 59m
Cheapest price$372
Burbank to Washington, D.C. Flights
Fastest flight time6h 36m
Cheapest price$395
Long Beach to Washington, D.C. Flights
Fastest flight time12h 24m
Cheapest price$302
Fresno to Washington, D.C. Flights
Fastest flight time6h 40m
Cheapest price$314

Similar Ontario to Washington, D.C. flights

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momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Washington, D.C.. momondo saves you time and could save you money on your trip.

Yes. momondo allows you to filter the results for Ontario to Washington, D.C. flights to just show those with flexible booking policies.

momondo helps you find the best flight between Ontario and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

Yes. momondo can track prices for Ontario to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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