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Cheap flights from Washington to Ontario from C$ 141

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 13/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYZ
25 Dec — 1 Jan1
1 adult

Cheap flight deals from Washington to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Washington (USWA) to Ontario (CAON). 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 December 2024.

Round-trip from

C$ 384

One-way from

C$ 141
Alaska Airlines
  • Alaska Airlines
  • 1/2-8/2
  • Nonstop
  • 10h 01m total
  • Washington to Ontario
Search Deals
13/1
  • 13/1
  • 3 total stops
  • 39h 41m total
  • Washington to Ontario
Search Deals

Find flight deals from Washington to Ontario

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

Tue 24/127:48 p.m.PDX - YYZ
2 stops31h 31mMultiple Airlines
Thu 30/18:00 p.m.YYZ - PDX
1 stop16h 21mMultiple Airlines
Deal found 19/12C$ 507
Tue 31/123:15 p.m.SEA - YYZ
1 stop23h 30mMultiple Airlines
Sun 12/18:00 p.m.YYZ - SEA
1 stop15h 57mMultiple Airlines
Deal found 19/12C$ 533
Mon 23/125:05 a.m.GEG - YYZ
1 stop8h 22mUnited Airlines
Mon 6/18:35 a.m.YYZ - GEG
1 stop11h 54mUnited Airlines
Deal found 19/12C$ 683
Thu 26/125:55 a.m.GEG - YYZ
2 stops13h 46mDelta
Tue 7/12:45 p.m.YYZ - GEG
1 stop11h 06mDelta
Deal found 19/12C$ 708
Tue 31/1212:31 a.m.SEA - YYZ
1 stop14h 09mAmerican Airlines
Sat 11/15:10 p.m.YYZ - SEA
1 stop9h 21mAmerican Airlines
Deal found 18/12C$ 733
Mon 23/1212:59 a.m.PDX - YYZ
2 stops11h 31mAmerican Airlines
Thu 30/16:10 a.m.YYZ - PDX
1 stop14h 43mAmerican Airlines
Deal found 19/12C$ 744
Tue 31/125:00 a.m.GEG - YYZ
1 stop7h 07mAlaska Airlines
Tue 7/14:20 p.m.YYZ - GEG
1 stop10h 23mAlaska Airlines
Deal found 19/12C$ 834
Wed 25/121:40 p.m.SEA - YYZ
1 stop8h 00mWestJet
Tue 14/17:55 a.m.YYZ - SEA
1 stop9h 26mWestJet
Deal found 19/12C$ 845
Sun 22/1211:59 p.m.GEG - YYZ
1 stop19h 40mAmerican Airlines
Fri 3/16:15 a.m.YYZ - GEG
2 stops21h 24mAmerican Airlines
Deal found 19/12C$ 860
Tue 24/121:12 p.m.GEG - YYZ
2 stops14h 03mWestJet
Mon 6/110:35 p.m.YYZ - GEG
2 stops23h 09mWestJet
Deal found 19/12C$ 874
Tue 31/127:26 a.m.SEA - YYZ
Nonstop4h 41mAlaska Airlines
Sun 12/14:20 p.m.YYZ - SEA
Nonstop5h 23mAlaska Airlines
Deal found 19/12C$ 878
Tue 24/122:04 p.m.PDX - YYZ
1 stop6h 04mDelta
Thu 30/15:00 p.m.YYZ - PDX
1 stop9h 54mDelta
Deal found 19/12C$ 903

Find flights from Washington to Ontario within your budget

Customize your flight search to find flights from Washington to Ontario 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 629,999 searches. Data last updated 20 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Sat 1/2

7:27 a.m.-3:05 p.m.

Nonstop4h 38m

Toronto Pearson Intl

Sat 8/2

4:20 p.m.-6:43 p.m.

Nonstop5h 23m

C$ 384

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Sat 11/1

7:27 a.m.-3:05 p.m.

Nonstop4h 38m

Toronto Pearson Intl

Tue 14/1

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

1 stop9h 26m

C$ 386

PortlandOttawa

PDX - YOW

PDXYOW

Portland

Tue 14/1

5:30 p.m.-4:45 p.m.

1 stop20h 15m

Ottawa

Wed 22/1

6:10 p.m.-9:21 a.m.

1 stop18h 11m

C$ 405

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Tue 14/1

7:21 p.m.-3:05 p.m.

1 stop16h 44m

Toronto Pearson Intl

Tue 21/1

4:20 p.m.-11:43 p.m.

1 stop10h 23m

C$ 408

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Sat 1/2

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

Nonstop4h 45m

Toronto Pearson Intl

Sat 8/2

7:05 p.m.-9:30 p.m.

Nonstop5h 25m

C$ 416

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Sat 1/2

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

1 stop8h 04m

Toronto Pearson Intl

Sat 8/2

7:05 p.m.-9:30 p.m.

Nonstop5h 25m

C$ 425

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Mon 13/1

5:23 p.m.-4:35 p.m.

1 stop20h 12m

Montreal Pierre Elliott Trudeau Intl

Thu 16/1

5:35 p.m.-8:50 a.m.

1 stop18h 15m

C$ 425

PortlandMontreal

PDX - YUL

PDXYUL

Portland

Wed 8/1

2:55 p.m.-4:35 p.m.

1 stop22h 40m

Montreal Pierre Elliott Trudeau Intl

Sun 12/1

6:45 a.m.-9:47 a.m.

2 stops30h 02m

C$ 429

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Fri 17/1

11:30 a.m.-5:33 a.m.

2 stops15h 03m

Ottawa

Mon 20/1

6:55 p.m.-2:21 p.m.

1 stop22h 26m

C$ 431

SeattleOttawa

SEA - YOW

SEAYOW

Seattle/Tacoma Intl

Thu 6/2

3:15 p.m.-4:48 p.m.

1 stop22h 33m

Ottawa

Mon 10/2

8:10 p.m.-2:21 p.m.

2 stops21h 11m

C$ 435

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/12

Showing 1-10 of 60 results
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Best time to book a flight from Washington to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Washington 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 Washington to Ontario

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

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

Currently, October is the cheapest month in which you can book a flight from State of Washington to Region of Ontario (average of C$ 178). Flying from State of Washington to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 WA to ON?

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

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

Weekly flight availability from State of Washington to Region of Ontario

Explore weekly flight availability from Washington to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 20 December 2024.

The most flights from USWA to CAON are scheduled on a Thursday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 20 December 2024.
See what other customers who have flown with Air Canada, Alaska Airlines and United Airlines from Washington to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,545 reviews
Check prices

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.2

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Alaska Airlines
8.0
Very good
9,545 reviews
Alaska Airlines
8.0
Very good
9,545 reviews
Check prices

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.2

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Delta
8.0
Very good
8,600 reviews
Alaska Airlines
8.0
Very good
9,545 reviews
Check prices

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.2

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

United Airlines
7.4
Good
9,043 reviews
Alaska Airlines
8.0
Very good
9,545 reviews
Check prices

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.2

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

WestJet
7.3
Good
2,816 reviews
Alaska Airlines
8.0
Very good
9,545 reviews
Check prices

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.2

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,545 reviews
Check prices

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.2

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Related info for your journey

Find useful and relevant information for your journey from Washington to Ontario. 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 State of Washington to Region of Ontario one-way?

    The cheapest airlines for a one-way flight from State of Washington to Region of Ontario are WestJet (C$ 164), Alaska Airlines (C$ 171), and Air Canada (C$ 184).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington to Ontario 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 State of Washington to Region of Ontario?

    Currently, October is the cheapest month in which you can book a flight from State of Washington to Region of Ontario (average of C$ 178). Flying from State of Washington to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 Washington to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Washington to Ontario

Discover the top 3 airlines that operate flights from Washington to Ontario. 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 629,999 searches. Data last updated 20 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 235AverageC$ 849FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Alaska AirlinesCheapestC$ 384AverageC$ 671FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapestC$ 527AverageC$ 764FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario from Washington today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from Washington to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Ontario from Washington shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Washington to Ontario 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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