Cheap flights from Ontario to Washington

Depart
Return
Any month
Compare vs. momondo |

Flight information for Ontario to Washington (ONT to WAS)

Find info about flight duration, direct flights, and airports for your flight from Ontario to Washington
Best Price Found $236 The best flight deal from Ontario to Washington found on momondo in the last 72 hours is $236
Fastest flight time 6h 34m The fastest flight from Ontario to Washington takes 6h 34m.
Direct flights None There are no direct flights from Ontario to Washington. Popular non-direct routes for this connection are Ontario - Washington Dulles Intl, Ontario - Washington Reagan-National and Ontario - Baltimore/Washington.
Airports in Washington 2 airports There are 2 airports near Washington: Washington Reagan-National (DCA), Washington Dulles Intl (IAD)

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 June
What is the cheapest day to fly to Washington?
Friday
The cheapest day of the week is typically Friday. 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, Sun Country Air, and Spirit Airlines are the most popular carriers operating from Ontario to Washington
What is the cheapest route?
Ontario - Washington Reagan-National
Fly from Ontario to Washington Reagan-National 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

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
17 Mar
1:03 pm
ONT
Ontario airport
13h 03m
1 Stop
DCA
5:06 am
+1
Washington Reagan-National airport
Frontier
24 Mar
9:00 am
DCA
Washington Reagan-National airport
9h 13m
1 Stop
ONT
3:13 pm
Ontario airport
$236
Frontier
Frontier
16 Apr
1:08 pm
ONT
Ontario airport
16h 31m
1 Stop
BWI
8:39 am
+1
Baltimore/Washington airport
Frontier
23 Apr
7:25 am
BWI
Baltimore/Washington airport
13h 10m
1 Stop
ONT
5:35 pm
Ontario airport
$249
Frontier
Frontier
20 Apr
1:49 pm
ONT
Ontario airport
12h 17m
1 Stop
DCA
5:06 am
+1
Washington Reagan-National airport
Frontier
22 Apr
3:00 am
DCA
Washington Reagan-National airport
15h 59m
1 Stop
ONT
3:59 pm
Ontario airport
$249
United Airlines
United Airlines
22 Apr
6:20 am
ONT
Ontario airport
6h 34m
1 Stop
BWI
3:54 pm
Baltimore/Washington airport
United Airlines
25 Apr
2:50 pm
BWI
Baltimore/Washington airport
8h 13m
1 Stop
ONT
8:03 pm
Ontario airport
$329
Delta
Delta
10 Mar
4:10 pm
ONT
Ontario airport
7h 13m
1 Stop
BWI
2:23 am
+1
Baltimore/Washington airport
Delta
17 Mar
1:30 am
BWI
Baltimore/Washington airport
7h 54m
1 Stop
ONT
6:24 am
Ontario airport
$329
American Airlines
American Airlines
25 Mar
7:48 am
ONT
Ontario airport
6h 33m
1 Stop
DCA
5:21 pm
Washington Reagan-National airport
American Airlines
13 Apr
8:56 am
DCA
Washington Reagan-National airport
10h 03m
1 Stop
ONT
3:59 pm
Ontario airport
$389

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 Flights
Fastest flight time
5h 03m
Cheapest price
$115
Los Angeles to Washington Flights
Fastest flight time
4h 53m
Cheapest price
$125
San Diego to Washington Flights
Fastest flight time
5h 00m
Cheapest price
$149
San Diego to Philadelphia Flights
Fastest flight time
4h 53m
Cheapest price
$149
Los Angeles to Richmond, Virginia Flights
Fastest flight time
6h 47m
Cheapest price
$252
San Diego to Richmond, Virginia Flights
Fastest flight time
7h 21m
Cheapest price
$289
Palm Springs to Philadelphia Flights
Fastest flight time
6h 34m
Cheapest price
$359
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.