Cheap flights from Ontario (ONT) to Reagan-National (DCA) from $144

This is the cheapest one-way flight price, found on 6/5. Prices may vary by date and flight preferences.
ONT — DCA
Jun 11 — Jun 181

How to find the cheapest flight from Ontario (ONT) to Reagan-National (DCA)

All the information you need to plan the best ONT to DCA flight in 2023: compare Ontario to Reagan-National flight prices with the expected peak season, weather and rainfall in Reagan-National.

Popular in

June

Cheapest in

January

Average price

$719

Round-trip from

$227
High demand for flights, 42% potential price rise
Best time to find cheap flights, 36% potential price drop
Average for round-trip flights in June 2023
From Ontario to Washington, D.C. Reagan-National

ONT - WAS

Price

$227 - $378

WAS

Temperature

35.6 - 80.6 °F

WAS

Rainfall

2.6 - 4 inches

Cheap flights from Ontario to Reagan-National in June, July 2023

The best prices found for ONT to DCA flights for June, July
These are some of the best deals we've found on flights to Washington, D.C. in 2023 at this time. If these deals don't appeal to you, be sure to come back soon for more options.

Ontario to Reagan-National 2023 flight deals

Cheap flights to Reagan-National from Ontario found for this year
These are some of the best deals we've found on flights to Washington, D.C. in 2023 at this time. If these deals don't appeal to you, be sure to come back soon for more options.

Cheap Frontier flights from Ontario to Reagan-National

Take a look at some of the lowest-priced Frontier flights heading from Ontario to Washington, D.C.. Make sure to double check the flight details before booking.

Cheap Delta flights from Ontario to Reagan-National

Some of the lowest-priced Delta flights we've found at this time heading from Ontario to Washington, D.C.. Check back soon if you're not seeing flights that suit your needs.

Last minute flights from Ontario to Reagan-National

Late deals on return flights to Reagan-National from Ontario, departing today and this week
Check out these flights departing soon from Ontario to Washington, D.C.. Users should examine the flight details to ensure there are no surprises.

One-way flights to Reagan-National from Ontario

The cheapest one-way flights from Ontario to Reagan-National
If you're seeking multiple options on one-way flights from Ontario to Washington, D.C., be sure to check out these deals, which are updated often. Users needing a return flight from Ontario to Washington, D.C. should utilize the search form above.

Find flights from Ontario to Reagan-National within your budget

Use the slider to find flights from Ontario to Reagan-National that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$259 - $383

Route

Depart

Return

Price

OntarioWashington, D.C. Reagan-National

ONT - DCA

ONTDCA

Ontario

Sat 12/2

1 stop7h 30m

Washington, D.C. Reagan-National

Sat 12/9

1 stop7h 31m

OntarioWashington, D.C. Reagan-National

ONT - DCA

ONTDCA

Ontario

Tue 8/22

1 stop9h 48m

Washington, D.C. Reagan-National

Tue 8/29

1 stop8h 04m

OntarioWashington, D.C. Reagan-National

ONT - DCA

ONTDCA

Ontario

Sat 10/7

1 stop8h 17m

Washington, D.C. Reagan-National

Sat 10/14

1 stop9h 30m

OntarioWashington, D.C. Reagan-National

ONT - DCA

ONTDCA

Ontario

Wed 9/6

1 stop13h 19m

Washington, D.C. Reagan-National

Tue 9/12

1 stop9h 21m

OntarioWashington, D.C. Reagan-National

ONT - DCA

ONTDCA

Ontario

Tue 8/22

1 stop9h 48m

Washington, D.C. Reagan-National

Tue 8/29

2 stops19h 01m

OntarioWashington, D.C. Reagan-National

ONT - DCA

ONTDCA

Ontario

Tue 8/15

1 stop18h 36m

Washington, D.C. Reagan-National

Thu 8/17

1 stop24h 42m

OntarioWashington, D.C. Reagan-National

ONT - DCA

ONTDCA

Ontario

Thu 8/24

1 stop13h 43m

Washington, D.C. Reagan-National

Tue 8/29

1 stop24h 49m

OntarioWashington, D.C. Reagan-National

ONT - DCA

ONTDCA

Ontario

Thu 11/30

1 stop7h 30m

Washington, D.C. Reagan-National

Wed 12/6

1 stop7h 17m

OntarioWashington, D.C. Reagan-National

ONT - DCA

ONTDCA

Ontario

Thu 9/7

2 stops17h 31m

Washington, D.C. Reagan-National

Wed 9/13

2 stops14h 56m

Flights are sorted by cheapest first

Deals found on 6/6

Reviews of airlines servicing Reagan-National

See what other customers who have flown with Frontier, Delta and American Airlines from Ontario to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
2,393 reviews

Crew

8.5

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

8.0

Reviews

1 / 10

We sat on the tarmac for more than 2 hours because of "chipped paint." It was hot, no AC, no air, no wifi and very little attention from the attendant.

Delta
8.0
Very good
2,393 reviews
Delta
8.0
Very good
2,393 reviews

Crew

8.5

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

8.0

Reviews

1 / 10

We sat on the tarmac for more than 2 hours because of "chipped paint." It was hot, no AC, no air, no wifi and very little attention from the attendant.

United Airlines
7.6
Good
1,558 reviews
Delta
8.0
Very good
2,393 reviews

Crew

8.5

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

8.0

Reviews

1 / 10

We sat on the tarmac for more than 2 hours because of "chipped paint." It was hot, no AC, no air, no wifi and very little attention from the attendant.

American Airlines
7.3
Good
2,149 reviews
Delta
8.0
Very good
2,393 reviews

Crew

8.5

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

8.0

Reviews

1 / 10

We sat on the tarmac for more than 2 hours because of "chipped paint." It was hot, no AC, no air, no wifi and very little attention from the attendant.

Frontier
5.9
Fair
680 reviews
Delta
8.0
Very good
2,393 reviews

Crew

8.5

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Food

7.2

Overall

8.0

Reviews

1 / 10

We sat on the tarmac for more than 2 hours because of "chipped paint." It was hot, no AC, no air, no wifi and very little attention from the attendant.

Related info for your journey

Useful info, stats and facts about Ontario to Reagan-National flights.

Alternative routes for Ontario to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Ontario to Reagan-National

The chart below displays the airlines Cheapflights users traveling from Ontario to Reagan-National choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
FrontierCheapest$168Average$278FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
DeltaCheapest$267Average$526FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
Alaska AirlinesCheapest$278Average$448FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights
American AirlinesCheapest$339Average$646FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
United AirlinesCheapest$375Average$605FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights

Weekly flight availability from Ontario to Reagan-National

See how many times per day planes take to the skies headed from Ontario to Reagan-National
Sunday0daily flights
Monday1daily flight
Tuesday1daily flight
Wednesday1daily flight
Thursday1daily flight
Friday1daily flight
Saturday0daily flights
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