Cheap flights from Ontario to Washington

Depart
Return
Any month
Compare vs. momondo |

Easily compare round-trip flights from Ontario to Washington

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 by changing tabs
Quickest
Cheapest
Frontier
Frontier
19 Nov
ONT
12:55 pm
Ontario airport
15h 59m
1 Stop
7:54 am
+1
BWI
Baltimore/Washington airport
Frontier
23 Nov
BWI
11:58 am
Baltimore/Washington airport
8h 50m
1 Stop
5:48 pm
ONT
Ontario airport
169 USD
Frontier
Frontier
16 Nov
ONT
11:36 am
Ontario airport
13h 30m
1 Stop
4:06 am
+1
DCA
Washington Reagan-National airport
Frontier
18 Nov
DCA
2:00 am
Washington Reagan-National airport
18h 48m
1 Stop
5:48 pm
ONT
Ontario airport
189 USD
Frontier
Frontier
06 Dec
ONT
12:55 pm
Ontario airport
12h 11m
1 Stop
4:06 am
+1
DCA
Washington Reagan-National airport
Frontier
12 Dec
DCA
8:10 am
Washington Reagan-National airport
12h 43m
1 Stop
5:53 pm
ONT
Ontario airport
199 USD
American Airlines
American Airlines
29 Feb
ONT
6:20 am
Ontario airport
7h 01m
1 Stop
4:21 pm
DCA
Washington Reagan-National airport
American Airlines
04 Mar
DCA
2:10 am
Washington Reagan-National airport
7h 31m
1 Stop
6:41 am
ONT
Ontario airport
318 USD
American Airlines
American Airlines
21 Nov
ONT
11:35 am
Ontario airport
6h 31m
1 Stop
9:06 pm
BWI
Baltimore/Washington airport
American Airlines
25 Nov
BWI
11:58 am
Baltimore/Washington airport
8h 50m
1 Stop
5:48 pm
ONT
Ontario airport
310 USD
United Airlines
United Airlines
16 Jan
ONT
11:10 am
Ontario airport
7h 16m
1 Stop
9:26 pm
IAD
Washington Dulles Intl airport
United Airlines
19 Jan
IAD
9:54 am
Washington Dulles Intl airport
8h 09m
1 Stop
3:03 pm
ONT
Ontario airport
248 USD

How to get the cheapest flight ticket from Ontario to Washington

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 to Washington?
September
The cheapest time of year to fly to Washington from Ontario is September. Most expensive is December
What is the cheapest day to fly to Washington?
Wednesday
The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday
When is the cheapest time to fly to Washington?
in the afternoon
Ontario to Washington flights are approximately 48% more expensive at noon than in the afternoon
What is the cheapest airline that flies to Washington?
Frontier
Frontier, Spirit Airlines, and Sun Country Air are the most popular carriers operating from Ontario to Washington
What is the cheapest route?
Ontario - Baltimore/Washington
Fly from Ontario to Baltimore/Washington for the best Ontario - Washington flight prices
When is the cheapest time to book a flight to Washington?
40 days before
The cheapest time to buy a flight from Ontario to Washington is approximately 40 days to departure
60
Days before departure
0

Flight information for Ontario to Washington (WAS - ONT)

Find info about flight duration, direct flights, and airports for your flight from Ontario to Washington
Fastest flight time 6h 25m The fastest flight from Ontario to Washington takes 6h 25m.
Direct flights None There are no direct flights from Ontario to Washington. Popular non-direct routes for this connection are Ontario - Washington Reagan-National, Ontario - Washington Dulles Intl and Ontario - Baltimore/Washington.
Airports in Washington 2 airports There are 2 airports near Washington: Washington Reagan-National (DCA), Washington Dulles Intl (IAD)

Alternative routes for Ontario to Washington

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Los Angeles to Philadelphia
Fastest flight time
4h 59m
Cheapest price
142 USD
Los Angeles to Baltimore
Fastest flight time
4h 48m
Cheapest price
145 USD
San Diego to Baltimore
Fastest flight time
6h 33m
Cheapest price
152 USD
San Diego to Washington
Fastest flight time
6h 39m
Cheapest price
166 USD
San Diego to Philadelphia
Fastest flight time
4h 55m
Cheapest price
167 USD
Los Angeles to Washington
Fastest flight time
4h 39m
Cheapest price
191 USD
Palm Springs to Philadelphia
Fastest flight time
6h 59m
Cheapest price
257 USD
View more

Flights from Ontario to:

*Flight prices to Washington are based on prices for economy tickets found by momondo users during searches within the last 72 hours. These prices may no longer be available.