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Cheap flights from Ontario to Washington from C$ 181

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SEA
25 Nov — 2 Dec1
1 adult

Find flights from Ontario to Washington within your budget

Customize your flight search to find flights from Ontario to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 645,034 searches. Data last updated 20 November 2024.

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Route

Depart

Return

Price

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Mon 9/12

4:20 p.m.-6:39 p.m.

Nonstop5h 19m

Seattle/Tacoma Intl

Mon 30/12

7:26 a.m.-3:07 p.m.

Nonstop4h 41m

C$ 363

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Mon 20/1

6:40 p.m.-11:16 a.m.

1 stop19h 36m

Seattle/Tacoma Intl

Mon 27/1

6:05 a.m.-1:50 p.m.

Nonstop4h 45m

C$ 365

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 28/1

7:55 a.m.-2:21 p.m.

1 stop9h 26m

Seattle/Tacoma Intl

Sun 2/2

3:15 p.m.-6:17 a.m.

1 stop12h 02m

C$ 368

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 9/1

6:00 a.m.-10:45 a.m.

1 stop7h 45m

Seattle/Tacoma Intl

Sun 12/1

11:05 p.m.-9:20 a.m.

1 stop7h 15m

C$ 374

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Wed 19/2

7:00 p.m.-9:50 a.m.

1 stop17h 50m

Seattle/Tacoma Intl

Tue 25/2

7:05 p.m.-6:09 a.m.

1 stop8h 04m

C$ 377

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 9/1

6:00 a.m.-12:41 p.m.

1 stop9h 41m

Seattle/Tacoma Intl

Thu 16/1

5:22 a.m.-4:15 p.m.

1 stop7h 53m

C$ 382

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Thu 9/1

3:30 p.m.-11:09 p.m.

2 stops10h 39m

Seattle/Tacoma Intl

Tue 14/1

5:25 p.m.-6:36 a.m.

1 stop10h 11m

C$ 386

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Thu 5/12

12:21 p.m.-9:45 p.m.

1 stop12h 24m

Portland

Sat 14/12

11:13 p.m.-9:09 a.m.

1 stop6h 56m

C$ 389

TorontoPortland

YYZ - PDX

YYZPDX

Toronto Pearson Intl

Wed 4/12

8:00 p.m.-9:47 a.m.

1 stop16h 47m

Portland

Wed 11/12

7:16 p.m.-6:46 a.m.

1 stop8h 30m

C$ 395

TorontoSeattle

YYZ - SEA

YYZSEA

Toronto Pearson Intl

Tue 25/2

6:14 a.m.-7:05 p.m.

1 stop15h 51m

Seattle/Tacoma Intl

Tue 25/2

12:43 a.m.-4:15 p.m.

1 stop12h 32m

C$ 398

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/11

Showing 1-10 of 60 results
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Cheap flight deals from Ontario to Washington

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (CAON) to Washington (USWA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 November 2024.

Find flight deals from Ontario to Washington

Cheapest flights from Ontario to Washington
Explore the most affordable flight options available from Ontario to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 November 2024.

Mon 9/124:20 p.m.YYZ - SEA
Nonstop5h 19mAlaska Airlines
Mon 30/127:26 a.m.SEA - YYZ
Nonstop4h 41mAlaska Airlines
Deal found 18/11C$ 363
Mon 16/127:15 p.m.YYZ - SEA
Nonstop5h 25mAir Canada
Wed 25/123:05 p.m.SEA - YYZ
1 stop6h 52mAir Canada
Deal found 19/11C$ 378
Mon 16/125:04 p.m.YYZ - SEA
1 stop8h 21mDelta
Wed 25/128:30 a.m.SEA - YYZ
1 stop11h 38mDelta
Deal found 19/11C$ 379
Thu 5/1212:21 p.m.YYZ - PDX
1 stop12h 24mDelta
Sat 14/1211:13 p.m.PDX - YYZ
1 stop6h 56mDelta
Deal found 19/11C$ 389
Wed 4/128:00 p.m.YYZ - PDX
1 stop16h 47mMultiple Airlines
Wed 11/127:16 p.m.PDX - YYZ
1 stop8h 30mMultiple Airlines
Deal found 19/11C$ 395
Wed 27/116:30 a.m.YYZ - SEA
1 stop10h 51mWestJet
Wed 4/123:15 p.m.SEA - YYZ
1 stop18h 24mWestJet
Deal found 20/11C$ 417
Thu 5/124:20 p.m.YYZ - PDX
1 stop9h 35mAlaska Airlines
Tue 10/125:00 a.m.PDX - YYZ
1 stop6h 55mAlaska Airlines
Deal found 19/11C$ 420
Wed 4/128:00 p.m.YYZ - SEA
1 stop15h 57mMultiple Airlines
Wed 11/124:00 p.m.SEA - YYZ
1 stop11h 46mMultiple Airlines
Deal found 19/11C$ 426
Thu 5/126:20 p.m.YUL - PDX
1 stop9h 15mUnited Airlines
Tue 10/127:40 a.m.PDX - YUL
2 stops21h 05mUnited Airlines
Deal found 20/11C$ 455
Thu 21/116:05 a.m.YUL - PDX
2 stops17h 27mDelta
Fri 29/116:20 a.m.PDX - YUL
2 stops13h 51mDelta
Deal found 19/11C$ 477
Wed 4/122:35 p.m.YUL - PDX
2 stops22h 12mMultiple Airlines
Wed 11/127:16 p.m.PDX - YUL
1 stop18h 19mMultiple Airlines
Deal found 19/11C$ 507
Thu 5/1212:15 p.m.YYZ - PDX
2 stops15h 20mUnited Airlines
Mon 9/127:30 p.m.PDX - YYZ
2 stops16h 32mUnited Airlines
Deal found 19/11C$ 515

Best time to book a flight from Ontario to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to Washington

Get recent, data-driven insights about flights from Ontario to Washington including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Region of Ontario to State of Washington?

Currently, August is the cheapest month in which you can book a flight from Region of Ontario to State of Washington (average of C$ 271). Flying from Region of Ontario to State of Washington in March is currently the most expensive (average of C$ 418). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to WA?

Find hourly flight availability from Ontario to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 November 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to State of Washington as you normally would.

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit State of Washington when rainfall is around 18.0 mm.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated 20 November 2024.
To help decide which airline to fly from Ontario to Washington, see what other customers have to say about WestJet, Air Canada and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,461 reviews
Check prices

Entertainment

7.1

Food

7.2

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Alaska Airlines
8.0
Very good
9,461 reviews
Alaska Airlines
8.0
Very good
9,461 reviews
Check prices

Entertainment

7.1

Food

7.2

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Delta
8.0
Very good
8,756 reviews
Alaska Airlines
8.0
Very good
9,461 reviews
Check prices

Entertainment

7.1

Food

7.2

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

United Airlines
7.4
Good
9,171 reviews
Alaska Airlines
8.0
Very good
9,461 reviews
Check prices

Entertainment

7.1

Food

7.2

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

WestJet
7.3
Good
2,811 reviews
Alaska Airlines
8.0
Very good
9,461 reviews
Check prices

Entertainment

7.1

Food

7.2

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,461 reviews
Check prices

Entertainment

7.1

Food

7.2

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Region of Ontario to State of Washington one-way?

    C$ 213 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from C$ 224 and C$ 231, respectively.

  • Can I find deals for flights from Ontario to Washington that include hotel bookings?

    Yes. In addition to deals on Ontario to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Washington.

  • Can I find deals for business class flights from Ontario to Washington?

    Yes. Cheapflights offers flight deals from Ontario to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to State of Washington?

    Currently, August is the cheapest month in which you can book a flight from Region of Ontario to State of Washington (average of C$ 271). Flying from Region of Ontario to State of Washington in March is currently the most expensive (average of C$ 418). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Ontario to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Ontario to Washington

Discover the top 6 airlines that operate flights from Ontario to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 645,034 searches. Data last updated 20 November 2024.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 299AverageC$ 607FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Alaska AirlinesCheapestC$ 363AverageC$ 721FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Air CanadaCheapestC$ 366AverageC$ 679FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 396AverageC$ 901FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 410AverageC$ 607FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 546AverageC$ 713FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ontario to Washington?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Washington. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Washington?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Washington from Ontario.

Can Cheapflights find flights from Ontario to Washington with no change fees?

Need flexible booking options for your flight to Washington from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Washington become cheaper?

Of course! You can now track prices for flights from Ontario to Washington and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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