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Cheap flights from Ontario (ONT) to Washington (WA)

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How to find the cheapest flight from
Ontario (ONT) to Washington

How far in advance should I book a flight from Ontario to Washington?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 27 days in advance, which can save you up to 58% on flights from Ontario to Washington compared to booking the week you need them. Waiting 27 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $136. For sooner than that we have options available in the next 3 days from $197.

Cheap flights from Ontario to Washington in August, September 2020

The best prices found for ONT to Washington flights for August, September
31 Jul - 5 Aug
$153pp
ONT
Ontario
Multiple Airlines
 
1 STOP
GEG
Spokane
GEG
Spokane
Delta
 
1 STOP
ONT
Ontario
31 Jul - 17 Aug
$155pp
ONT
Ontario
Multiple Airlines
 
1 STOP
GEG
Spokane
GEG
Spokane
Delta
 
1 STOP
ONT
Ontario
11 Aug - 11 Aug
$161pp
ONT
Ontario
Multiple Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
ONT
Ontario

Ontario to Washington 2020 flight deals

Cheap flights to Washington from Ontario found for this year
31 Jul - 5 Aug
$153pp
ONT
Ontario
Multiple Airlines
 
1 STOP
GEG
Spokane
GEG
Spokane
Delta
 
1 STOP
ONT
Ontario
31 Jul - 17 Aug
$155pp
ONT
Ontario
Multiple Airlines
 
1 STOP
GEG
Spokane
GEG
Spokane
Delta
 
1 STOP
ONT
Ontario
1 Nov - 5 Nov
$158pp
ONT
Ontario
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
ONT
Ontario

Non-stop flights to Washington from Ontario

Save time with Ontario to Washington direct flight deals
10 Aug - 13 Aug
$202pp
ONT
Ontario
Major Airline
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Major Airline
Non-Stop
ONT
Ontario

Last minute flights from Ontario to Washington

Late deals on round-trip flights to Washington from Ontario, departing today and this week
28 Jul - 5 Aug
$166pp
ONT
Ontario
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
ONT
Ontario
28 Jul - 4 Aug
$182pp
ONT
Ontario
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
ONT
Ontario
25 Jul - 29 Aug
$184pp
ONT
Ontario
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
ONT
Ontario

One-way flights to Washington from Ontario

The cheapest one-way flights from Ontario to Washington
4:00 am - 9:02 am
Sun Country Air
1 Stop
5h 02m
ONT - SEA
Sun Country Air
$83
Ovago
2:12 pm - 8:51 pm
Lufthansa
1 Stop
6h 39m
ONT - SEA
Lufthansa
2:17 pm - 8:56 am
Multiple Airlines
2 Stops
18h 39m
ONT - SEA
Multiple Airlines
$171
Kiwi.com

Related info for your journey

Useful info, stats and facts about Ontario to Washington flights.

Flight FAQs

From Ontario to Washington

Are flight prices decreasing from Ontario to Washington due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Ontario and Washington for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Ontario to Washington for under $200 on Cheapflights?

Yes, there are multiple flights from Ontario to Washington for under $200. The cheapest flight booked recently is on Multiple Airlines for just $153, but on average you can expect to pay $170.

Are there nonstop flights from Ontario to Washington for under $300 on Cheapflights?

Cheapflights has at least 1 direct flight from Ontario to Washington under $300. A good price for a nonstop flight from Ontario to Washington is less than $202.

Are there last-minute flights available from Ontario to Washington for under $200?

There are currently 20+ open flights from Ontario to Washington within the next 7 days for less than $200.

What days are nonstop flights available from Ontario to Washington?

Nonstop flights can be found on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Saturday.

What are the most popular airlines that fly from Ontario to Washington?

The most popular airlines flying from Ontario to Washington are Major Airline, American Airlines and Alaska Airlines. Something to consider prior to booking your flight.

What are the most popular routes from Ontario to Washington?

The most popular route from Ontario to Washington is Ontario - Seattle/Tacoma Intl. You may also consider Ontario - Spokane or Ontario - Pasco Tri Cities.

What are the cheapest Flights from Ontario to Washington?

The cheapest flight price from Ontario to Washington is $84. On average you can expect to pay $192. The most popular route, (Ontario - Seattle/Tacoma Intl), can usually be booked for $157.

What are the most reliable airlines from Ontario to Washington?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Ontario to Washington on time: Horizon Air(97%), Alaska Airlines(96%), SkyWest Airlines(94%.)

How long is the flight from Ontario to Washington?

There are many flights that can get you from Ontario to Washington in 2h 49m. Fly via Major Airline, Delta, or Allegiant Air to get the fastest option. This flight may include one or multiple stops.

What are the cheapest airlines flying from Ontario to Washington round-trip?

Delta, at $164, was found to be the cheapest airline from Ontario to Washington.Alternate airlines to your destination round-trip include Sun Country Air and Allegiant Air.

What are the cheapest airlines to fly from Ontario to Washington one-way?

$82 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Sun Country Air and Lufthansa, with prices starting from $83 and $111, respectively.

Arrival points for flights from Ontario to Washington

Destination information for Washington

Things to know before you go. Useful info for your trip from Ontario to Washington
Flight duration
2h 43m

Airports servicing Ontario

Airports servicing

Deer Harbor (DHB)
Wenatchee (EAT)
Eastsound Orcas Island (ESD)
Friday Harbor SPB (FBS)
Port Angeles (FRD)
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