$106 Find Cheap Flights from Ontario to Washington

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Low seasonJanuary
High seasonAugust
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly with an average 10% increase in price.

FAQs for booking flights from Ontario to Washington

  • How does KAYAK find such low prices on flights from Ontario to Washington?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Washington.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Washington?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Ontario to Washington is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Washington?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Ontario to Washington with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Washington?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Ontario to Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which is the cheapest airport to fly into in Washington?

    Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Washington is Seattle/Tacoma Intl Airport (SEA), with an average flight price of $326.

  • What is the cheapest day to fly to Washington?

    Based on KAYAK data, the cheapest day to fly to Washington is Wednesday where round-trip tickets can be as cheap as $448. On the other hand, the most expensive day to fly is Sunday, where round-trip prices are $649 on average.

  • What is the cheapest time of day to fly to Washington?

    The cheapest time of day to fly to Washington is generally at night, when round-trip flights cost $312 on average. Morning departures are around 14% more expensive than evening flights, on average. The most expensive time of day to fly to Washington is generally in the morning, which is peak travel time and where the average cost of a ticket is $544.

  • What is the cheapest flight to Washington?

    The cheapest ticket to Washington from Ontario found in the last 72 hours was to Seattle, at $290 round-trip. The most popular route is Toronto Pearson Intl Airport (YYZ) to Seattle (SEA) and the cheapest round-trip airline ticket found on this route in the last 72 hours was $290.

  • What is the cheapest month to fly from Ontario to Washington?

    The cheapest month for flights from Ontario to Washington is February, when tickets cost $269 (return) on average. On the other hand, the most expensive months are December and July, when the average cost of round-trip tickets is $450 and $447 respectively.

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

    To get a below average price on the flight from Ontario to Washington, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

  • How long is the flight to Washington?

    An average nonstop flight from Ontario to Washington takes 12h 00m, covering a distance of 2062 miles. The shortest route is Toronto Pearson Intl Airport (YYZ) to Seattle (SEA) with an average flight time of 5h 15m.

  • What are the most popular destinations in Washington?

    Based on KAYAK flight searches, the most popular destination is Seattle (86% of total searches to Washington). The next most popular destinations are Portland (12%) and Spokane (1%). Searches for flights to Bellingham (0%) and to Wenatchee (0%) are also popular.

Reviews of the top 5 airlines serving from Ontario to Washington

 
Need help choosing which airline to fly with from Ontario to Washington? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 10000 reviews
7.1Entertainment
8.1Boarding
7.8Comfort
8.5Crew
7.1Food
Airline reviews

The flight was canceled at the last minute and we got very upset as we had plans in which our schedule that affects a family reunion was in jeopardy.

2.0 MediocreAnonymous, Jul 2025LAX - SEA
Read more Alaska Airlines reviews

The flight was canceled at the last minute and we got very upset as we had plans in which our schedule that affects a family reunion was in jeopardy.

Paying for first class and then they want $8:00 for wifi.

10 hour delay. Fuel spill. Crew had to drive to Indianapolis to a get a plane. The longest day of travel ever. Poor service.Little to no communication.

I'm so glad that Alaska still keeps this little "puddle-jumper" route going between SEA>ALW; my daughter lives on Walla Walla, and it's so much quicker to be able to fly right in to Walla Walla than to have to fly into Tri-Cities and then make her drive 40 minutes each way. This flight is usually only 50%-75% full when I fly it, but that's because it doesn't get in to ALW until MIDNIGHT! But thanks for continuing to service the Walla Walla area, Alaska!

Easy flight, crew was polite & observant of all passenger needs as well as safety.

fine. only problem,,,, for some,,,,was that many people started trying to exit from the back of the plane,, . lots of irate people. there should be a flight attendant mid plane..to be sure that doesn't happen. The crew up front had no idea what was happening. One big guy started it..then a bunch of others followed his lead. could have gotten ugly... One man stepped in and questioned those rule breakers.. nothing bad happened,,,but......

Terrible customer service, closed check in hours before flight left, provided incorrect information

We were delayed. We spent more time waiting on the plane than actually flying (it’s only a 37 minute flight). Other than that, it was fine.

Only offered water, no snacks provided, and it was cold on the plane, everyone was wearing sweatshirt or jacket in June. I asked for blanket, but crew said they didnt have anything and would turn the heat up, that didn't happen, so for 6 hours I remained cold.

Flight from New Orleans to Seattle to Anchorage was delayed for 3 hours My flight from Seattle to Anchorage was not rescheduled. I had to call the airlines to tell them to get a flight from Seattle to Anchorage they finally got me a flight If I hadn’t been aware of this problem I don’t know how long I would of waited in Seattle to get a flight to Anchorage!!!!!! Return trip from Anchorage to New Orleans in Seattle to New Orleans I was at the right gate when I realized something was wrong they had changed the gate without notifying the change l finally made it on time with minutes to spare & exhausted

Everything was good until we were boarding our connection flight in Atlanta, we were told to gate check our carry-on, but when we got inside the plane, there was plenty of room in the overhead.

Did not know my son and I had different seating arrangements. He was fine, but it was disappointing.

Flight was canceled, and no effort was made to help with rebooking, no hotel vouchers, no car transportation and minimal food voucher and most places for food were closed by the time the voucher was given. Waited for 3 hours for bags. Simply the worst travel experience I have ever had

Our flight was canceled after several delays. No hotel vouchers offered, minimal help for resolution leave me ultimately to cancel and book on an other airline. Then waited to get bags for more than 3 hours This whole experience has been awful!!!

Food was surprisingly good but the WiFi was not great

this crew didn't care much. bumping carts into seats more times than i care to remember

Very late arrival at PWM. Late jet getting to ATL. Equipment problem with aircraft - could not get enough water onto plane., Another delay getting FAA approval for flight with bottled H2O. Not the crew’s problem.

Everything was fine except the entertainment was not working for half of the flight.

Easy boarding with an extremely kind attendant. Seats were spacious and we had 3 seats for 2 people so we could stretch out. Comfortable air flow and very attentive and hospital attendants. Bathrooms and food were the only negative. Bathrooms were so small you could hardly get in and close the door. I don’t think an obese person would fit or a person with a movement disability. Food was the trending food for flights, nonexistent. We spent $40 getting sandwich and snack at airport for our 6 hour flught.

At first, we were on the runway for about an hour, literally. The Captain did explain that the Control Tower just had a change shift (sounds like an unrealistic excuse) and then that we had to change a runway. A regular economy seat is made for 12 yo twiggy. I understand Delta wants to push for an upgrade, but after sitting in a Comfort seat and in First class. I would say First class is not worthy of my money. The landing was delayed because of the weather in NYC, I don't hold that against Delta, of course. The Captain did alert us to that upon takeoff in Vegas and again as we reached NY.

It was all good flight was on time, service was good I enjoyed a few movies and everything was smooth

Efficient, calm when things were delayed and kept us regularly informed of what was happening.

it was so bad. I tried to board my flight from vancouver to saskatoon. And to my surprise they did not board me cause the flight was changed and no email was send to me. and on my boarding pass which i got from seattle says different flight. I did not knew anyone from Vancouver, air canada crew was rude, i asked for today flight but they were rude and i had early morning dental appointment in saskatoon. I was so much in pain and my whole day is wasted today. and i suffered alot. They did provide me hotel but they did not provide me any food. I am really really disappointed first time had so bad experience with air canada. I may think twice to book it again. If i can get any reply or any composition that would be great. Thanks

Airbus plane, nice and polite staff, entertainment even as it was a short flight.

Very nice and clean plane. Transit time between flights was tight though

Our flights got changed from United to Air Canada and our purchased seats did not get transferred so we had to pay for seats twice. I brought it up with Air Canada and they stated I had to go back and chase it with United. The united seats were $21 Canadian each and Air Canada were $56 each so we have paid $77 for each seat. Very unhappy

So far so good but food and entertainment are not available for this flight

leg space better than expected. two washrooms for one plane isn't enough.

Plane temperature was comfortable (not to hot) when boarding and waiting for takeoff.

Michael, our FA was very attentive, even finding me a chocolate brownie from economy class when the dessert selections were all dairy based. ( intolerant, not allergic so don’t usually need to order dairy free)

Our flight info was lost as the original booking was with westjet... almost missed our outbound flight trying to get it corrected. Inbound we had to reschedule completely as they didn't have our information and resold our seats ending up getting home much later than planned. The confirmation numbers we received from justfly for westjet didn't help anything with delta as they said we needed a delta confirmation which we never received. I talked with justfly and they said it's the airlines problem and with westjet and they said it is the 3rd party bookers issue.... so, not fun

They kept making changes to the itinerary. I actually wasn't able to go and i tried to get flight credit in exchange for the ticket, but the customer service chat was taking way too much time.

Generally good. However. The flight left 30 mins behind schedule with no reason given.

Flight delayed, missed my pick-up had to Uber, plus missed dinner and medication, so sad!

WestJet canceled my booking, replaced it with a booking that didn't work (departing from cruise ship), and didn't offer any flights that did work. Their only option was for me to cancel and go to another airline for more money. Which I did.

Nothing to like because my inbound flight was cancelled without notification by West Jet or third party, JustFly. I couldn’t take the inbound flight due to cancellation; therefore could not take the outbound flight back.

The seats are totally uncomfortable making the flight less than pleasant. The cookies & pretzels were terrible!!!

Not the greatest experience everything was pretty mediocre. My seat was by the washroom in the aisle and was not located well as everyone past each other people were right in my seat and space.

The small prop plane was crowded and the overhead luggage storage is a smaller than on the jets. Other than that, the crew was good, the flight was on time and the landing was smooth.

There was a medical emergency that the crew handled very well. There was no “entertainment” of any sort-no movie/music/whatever. Food was typical of airlines: mediocre.

In a nutshell, my bag, the one I have to pay for, because now you can’t even bring a carry on, did not make it. I am still waiting for an update. The fact that not only were have to pay for it, but on top of that we are stuck without getting it, it’s ridiculous..

This was an excellent experience for a very short flight.

No space in overhead bin, one cookie, 2 oz of juice - is not customer service.

Somebody either kayak or Air Canada booked my flight under my preferred name Betty instead of my legal name and I almost was denied boarding my flight

The ground staff was so rude in Toronto airport ...very rude and did not answer simple questions, and made me look like a fool. Very rude ground staff.

My flight got delayed 5 times and then got cancelled eventually, I had to get a hotel and uber and pay for food for an extra night without any plans. It was a horrible experience, instead of Air Canada, I was flying with United .

I had a nice flight with free wifi. So I was able to message family members and stream music during my flight, which made the trip go by fast. I also enjoyed flying on there Airbus A220. The plane looked very new and it also got up to speed fast down the runway and didn't need much runway to get airborne.

Overall good experience. The flight from Toronto to Denver does not have entertainment - movies to watch.

Boarding was challenging as we had to use the stairs from the tarmac. Stairs are okay but a roller bag makes it challenging.

Ensure prepaid food arrangements are appropriately understood by flight crew of who purchased and who did not

Book cheap flights from Ontario to Washington

Recent round-trip flight deals

8/14Thu
1 stopWestJet
10h 04mYKF-PDX
8/20Wed
1 stopWestJet
8h 01mPDX-YKF
$186
9/10Wed
1 stopWestJet
9h 59mYYZ-SEA
9/14Sun
1 stopWestJet
8h 16mSEA-YYZ
$197
8/27Wed
2 stopsAir Canada
9h 06mYTZ-SEA
9/3Wed
2 stopsAir Canada
10h 06mSEA-YTZ
$213
8/25Mon
nonstopAir Canada
5h 20mYYZ-SEA
9/3Wed
nonstopAir Canada
4h 44mSEA-YYZ
$218
8/27Wed
1 stop
9h 34mYYZ-PDX
9/3Wed
2 stops
12h 46mPDX-YYZ
$258
12/15Mon
2 stopsUnited Airlines
19h 42mYYZ-PDX
1/10Sat
1 stopUnited Airlines
10h 37mPDX-YYZ
$276
12/15Mon
1 stopUnited Airlines
10h 12mYYZ-PDX
12/31Wed
1 stopUnited Airlines
6h 57mPDX-YYZ
$283
8/7Thu
1 stop
10h 15mYYZ-PDX
8/11Mon
2 stops
16h 49mPDX-YYZ
$287
8/13Wed
1 stopDelta
7h 10mYYZ-PDX
8/16Sat
1 stopDelta
8h 05mPDX-YYZ
$321
12/18Thu
2 stopsDelta
13h 46mYUL-PDX
1/6Tue
2 stopsDelta
12h 10mPDX-YUL
$354

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Recent one-way flight deals

9/22Mon
1 stopWestJet
9h 59mYKF-SEA
$106
9/27Sat
1 stopWestJet
9h 59mYKF-SEA
$110
9/6Sat
1 stopAir Canada
10h 06mYTZ-SEA
$133
9/23Tue
1 stopAir Canada
10h 06mYTZ-SEA
$137
9/27Sat
3 stopsUnited Airlines
17h 34mYYZ-SEA
$157
9/23Tue
3 stopsUnited Airlines
17h 22mYYZ-SEA
$164
9/23Tue
nonstopAlaska Airlines
5h 23mYYZ-SEA
$183
9/11Thu
nonstopAlaska Airlines
5h 23mYYZ-SEA
$188
7/19Sat
1 stopDelta
11h 29mYYZ-PDX
$204
1/5Mon
1 stopDelta
12h 51mYUL-PDX
$207

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Last minute flights from Ontario to Washington

Last minute flight, train and bus deals

7/19Sat
multi-stopAir Canada
9h 06mYYZ-SEA
8/7Thu
multi-stopAir Canada
9h 35mSEA-YYZ
$269
7/19Sat
multi-stopUnited Airlines
8h 09mYYZ-SEA
8/6Wed
multi-stopUnited Airlines
9h 45mSEA-YYZ
$275
7/18Fri
multi-stopAir Canada
17h 16mYYZ-SEA
8/7Thu
multi-stopAir Canada
9h 35mSEA-YYZ
$301
7/19Sat
multi-stopAmerican Airlines
14h 03mYYZ-SEA
8/9Sat
multi-stopAmerican Airlines
13h 42mSEA-YYZ
$322
7/18Fri
multi-stopAmerican Airlines
14h 25mYYZ-PDX
7/21Mon
multi-stopAmerican Airlines
7h 49mPDX-YYZ
$327
7/18Fri
multi-stopDelta
7h 55mYYZ-SEA
8/6Wed
multi-stopDelta
8h 17mSEA-YYZ
$343
7/18Fri
multi-stopDelta
10h 10mYYZ-SEA
8/16Sat
multi-stopDelta
8h 17mSEA-YYZ
$346
7/19Sat
multi-stopWestJet
8h 25mYYZ-SEA
8/2Sat
multi-stopWestJet
7h 37mSEA-YYZ
$485
7/18Fri
multi-stopWestJet
9h 58mYKF-SEA
8/5Tue
multi-stopWestJet
7h 41mSEA-YKF
$487
7/18Fri
nonstopAlaska Airlines
5h 24mYYZ-SEA
8/16Sat
nonstopAlaska Airlines
4h 43mSEA-YYZ
$496

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Everything you need to know for your flight to Washington

Cabin class types available on flights to Ontario

Cabin classes available on flights to Ontario. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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