What are the cheapest airlines to fly from Canada to Seattle one-way?

To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $75. Alaska Airlines flights start at $93 while deals on Air Canada start at $94 one-way.

What are the most popular routes from Canada to Seattle?

The most popular route from Canada to Seattle is Toronto Pearson Intl - Seattle/Tacoma Intl. You may also consider Vancouver Intl - Seattle/Tacoma Intl or Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl.

What are the cheapest flights from Canada to Seattle?

On average you can expect to pay $360 for a flight from Canada to Seattle. The cheapest flight overall is $170 while the most popular route, (Toronto Pearson Intl - Seattle/Tacoma Intl) is currently priced at $264.

What are the most reliable airlines from Canada to Seattle?

The top 3 most reliable airlines when flying from Canada to Seattle are Air Tahiti Nui (95%), Alaska Airlines (87%) and Hawaiian Airlines (87%).

What are the most popular airlines that fly from Canada to Seattle?

Before booking your flight from Canada to Seattle check out the most popular airlines for this route: American Airlines, Air Canada or Alaska Airlines.

How far in advance should I book a flight from Canada to Seattle?

Users have found that booking a flight from Canada to Seattle at least 53 days early can save you up to 79% on average compared to booking a flight this week. If booking 53 days before your flight isn’t an option for you, users have found flights from Canada to Seattle for as little as $399 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $753 for flights departing within the next 3 days.

What is the cheapest month to fly from Canada to Seattle?

Flights from Canada to Seattle lean towards being more expensive in July. Prices are generally better when you fly from Canada to Seattle in February, with the cheapest ticket starting at $212.

What airport do you fly into for flights to Seattle from Canada?

Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to Seattle from Canada.

Can I find deals for flights from Canada to Seattle that include hotel bookings?

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

How can I find direct flights from Canada to Seattle?

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

Can I find deals for business class flights from Canada to Seattle?

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

$174+ Flights from Canada to Seattle

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Cheap flight deals from Canada to Seattle

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$120 (Mytrip)
One-way from	$75 (Kiwi.com)
Popular in	July
Cheapest in	February
Average price	$398
Good round-trip deal	$235 or less
Good one-way deal	$150 or less

Provider with most accurate pricing for Toronto (YTO)-Seattle/Tacoma Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Toronto (YTO)-Seattle/Tacoma Intl flights.

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From Canada to Seattle/Tacoma Intl

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One-way flight from Canada to Seattle/Tacoma Intl

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($42 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Price to beat on a round-trip flight from Canada to Seattle/Tacoma Intl.

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Price to beat on a one-way flight from Canada to Seattle/Tacoma Intl.

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Find flight deals from Canada to Seattle

Cheapest flights from Canada to Seattle
Explore the most affordable flight options available from Canada to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Thu 6/59:00 amYVR - SEA

1 stop5h 09mWestJet

Thu 6/127:05 amSEA - YVR

1 stop4h 30mWestJet

Deal found 4/21

$120

Wed 6/47:35 pmYYC - SEA

Nonstop1h 53mWestJet

Wed 6/117:05 amSEA - YYC

Nonstop1h 40mWestJet

Deal found 4/22

$143

Wed 6/412:30 pmYYC - SEA

2 stops7h 03mAir Canada

Wed 6/115:35 amSEA - YYC

2 stops8h 26mAir Canada

Deal found 4/22

$145

Fri 5/306:00 amYLW - SEA

2 stops6h 58mWestJet

Sun 6/18:10 amSEA - YLW

2 stops9h 36mWestJet

Deal found 4/22

$146

Wed 5/79:00 amYVR - SEA

1 stop5h 09mMultiple Airlines

Thu 5/88:37 amSEA - YVR

Nonstop1h 01mMultiple Airlines

Deal found 4/21

$151

Thu 6/55:45 amYLW - SEA

1 stop3h 33mAir Canada

Thu 6/125:35 amSEA - YLW

1 stop3h 37mAir Canada

Deal found 4/22

$155

Thu 8/216:00 amYHM - SEA

1 stop9h 58mWestJet

Thu 8/281:50 pmSEA - YHM

1 stop7h 51mWestJet

Deal found 4/21

$158

Mon 5/199:10 pmYVR - SEA

Nonstop1h 03mAir Canada

Tue 5/202:55 pmSEA - YVR

Nonstop1h 05mAir Canada

Deal found 4/22

$161

Tue 5/66:00 amYVR - SEA

Nonstop1h 00mAlaska Airlines

Tue 5/611:02 pmSEA - YVR

Nonstop0h 56mAlaska Airlines

Deal found 4/22

$166

Tue 6/37:35 pmYYC - SEA

Nonstop1h 53mMultiple Airlines

Sat 6/77:56 amSEA - YYC

Nonstop1h 31mMultiple Airlines

Deal found 4/22

$175

Wed 5/143:15 pmYVR - SEA

1 stop9h 44mUnited Airlines

Wed 5/212:55 pmSEA - YVR

Nonstop1h 05mUnited Airlines

Deal found 4/21

$181

Fri 5/95:50 pmYLW - SEA

1 stop4h 23mMultiple Airlines

Mon 5/1212:45 pmSEA - YLW

2 stops9h 47mMultiple Airlines

Deal found 4/22

$191

Best flights from Canada to Seattle
Discover carefully curated flight deals from Canada to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 22, 2025.

Thu 6/59:00 amYVR - SEA

1 stop5h 09mWestJet

Thu 6/127:05 amSEA - YVR

1 stop4h 30mWestJet

Deal found 4/21

$120

Wed 6/412:30 pmYYC - SEA

2 stops7h 03mAir Canada

Wed 6/115:35 amSEA - YYC

2 stops8h 26mAir Canada

Deal found 4/22

$145

Wed 5/79:00 amYVR - SEA

1 stop5h 09mMultiple Airlines

Thu 5/88:37 amSEA - YVR

Nonstop1h 01mMultiple Airlines

Deal found 4/21

$151

Fri 5/91:34 pmYLW - SEA

Nonstop1h 16mAlaska Airlines

Mon 5/1211:28 amSEA - YLW

Nonstop1h 16mAlaska Airlines

Deal found 4/21

$165

Wed 5/143:15 pmYVR - SEA

1 stop9h 44mUnited Airlines

Wed 5/212:55 pmSEA - YVR

Nonstop1h 05mUnited Airlines

Deal found 4/21

$181

Thu 5/89:10 pmYVR - SEA

Nonstop1h 03mLufthansa

Sun 5/115:05 amSEA - YVR

1 stop5h 50mLufthansa

Deal found 4/21

$194

Fri 5/27:45 amYVR - SEA

Nonstop1h 10mDelta

Sun 5/47:25 amSEA - YVR

Nonstop1h 13mDelta

Deal found 4/20

$223

Wed 6/47:35 pmYYC - SEA

Nonstop1h 53mWestJet

Wed 6/117:05 amSEA - YYC

Nonstop1h 40mWestJet

Deal found 4/22

$143

Thu 6/55:45 amYLW - SEA

1 stop3h 33mAir Canada

Thu 6/125:35 amSEA - YLW

1 stop3h 37mAir Canada

Deal found 4/22

$155

Fri 5/91:34 pmYLW - SEA

Nonstop1h 16mAmerican Airlines

Mon 5/1211:28 amSEA - YLW

Nonstop1h 16mAmerican Airlines

Deal found 4/22

$313

Fri 5/306:00 amYLW - SEA

2 stops6h 58mWestJet

Sun 6/18:10 amSEA - YLW

2 stops9h 36mWestJet

Deal found 4/22

$146

Tue 5/66:00 amYVR - SEA

Nonstop1h 00mAlaska Airlines

Thu 5/88:37 amSEA - YVR

Nonstop1h 01mAlaska Airlines

Deal found 4/22

$166

Last-minute flights from Canada to Seattle
Discover last-minute flight deals from Canada to Seattle. Data last updated April 22, 2025 and is based on user searches.

Sun 4/276:45 amYYZ - SEA

1 stop9h 16mAmerican Airlines

Tue 5/2711:58 pmSEA - YYZ

1 stop9h 32mAmerican Airlines

Deal found 4/20

$348

Tue 4/296:30 amYYZ - SEA

1 stop7h 15mDelta

Tue 5/279:45 pmSEA - YYZ

1 stop10h 35mDelta

Deal found 4/20

$323

Tue 4/296:00 amYKF - SEA

1 stop9h 58mWestJet

Tue 5/277:05 amSEA - YKF

1 stop14h 41mWestJet

Deal found 4/20

$346

Wed 4/308:10 pmYYZ - SEA

1 stop26h 41mMultiple Airlines

Wed 5/76:00 amSEA - YYZ

2 stops34h 01mMultiple Airlines

Deal found 4/21

$284

Wed 4/304:45 pmYYC - SEA

1 stop6h 18mAir Canada

Fri 5/27:15 pmSEA - YYC

1 stop4h 28mAir Canada

Deal found 4/22

$330

Thu 5/17:15 pmYEG - SEA

1 stop3h 58mAir Canada

Mon 5/55:30 amSEA - YEG

1 stop4h 30mAir Canada

Deal found 4/21

$259

Thu 5/17:00 amYEG - SEA

2 stops6h 56mWestJet

Mon 5/53:39 pmSEA - YEG

1 stop4h 13mWestJet

Deal found 4/21

$289

Thu 5/17:00 pmYYZ - SEA

2 stops20h 58mWestJet

Mon 5/58:25 amSEA - YYZ

2 stops18h 26mWestJet

Deal found 4/20

$332

Thu 5/14:45 pmYYZ - SEA

Nonstop5h 14mAlaska Airlines

Mon 5/57:15 amSEA - YYZ

Nonstop4h 45mAlaska Airlines

Deal found 4/20

$339

Fri 5/29:00 amYVR - SEA

1 stop5h 09mWestJet

Sun 5/48:25 amSEA - YVR

1 stop5h 10mWestJet

Deal found 4/20

$172

Fri 5/27:45 amYVR - SEA

Nonstop1h 10mDelta

Sun 5/47:25 amSEA - YVR

Nonstop1h 13mDelta

Deal found 4/20

$223

Fri 5/28:15 amYVR - SEA

2 stops12h 47mUnited Airlines

Sun 5/47:00 amSEA - YVR

2 stops14h 16mUnited Airlines

Deal found 4/20

$229

One-way flights from Canada to Seattle
Search for one-way flight options from Canada to Seattle. Find affordable one-way fares based on user searches. Data last updated April 22, 2025.

Sun 7/69:00 amYVR - SEA

1 stop5h 09mWestJet

Deal found 4/20

$75

Mon 6/93:25 pmYLW - SEA

Nonstop1h 25mAlaska Airlines

Deal found 4/21

$93

Mon 6/2311:55 amYVR - SEA

Nonstop1h 06mAir Canada

Deal found 4/21

$94

Sat 6/71:05 pmYLW - SEA

Nonstop1h 04mWestJet

Deal found 4/21

$97

Sat 7/195:45 pmYYC - SEA

Nonstop1h 53mWestJet

Deal found 4/21

$98

Fri 5/165:40 pmYLW - SEA

1 stop4h 33mAir Canada

Deal found 4/21

$98

Mon 6/238:15 amYVR - SEA

Nonstop1h 06mUnited Airlines

Deal found 4/21

$103

Fri 5/306:00 amYHM - SEA

1 stop9h 58mWestJet

Deal found 4/21

$103

Fri 5/235:55 pmYYC - SEA

1 stop5h 18mAir Canada

Deal found 4/21

$108

Sat 8/305:45 amYLW - SEA

1 stop3h 36mUnited Airlines

Deal found 4/22

$109

Sun 6/110:55 amYEG - SEA

1 stop4h 18mAir Canada

Deal found 4/22

$109

Wed 5/76:19 pmYYC - SEA

Nonstop1h 46mAlaska Airlines

Deal found 4/21

$111

Cheapflights Fare Finder

Use the filters below to find and compare flights from Canada to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

Thu 6/5

9:00 am-2:09 pm

1 stop5h 09m

Seattle/Tacoma Intl

Thu 6/12

7:05 am-11:35 am

1 stop4h 30m

$120

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 6/4

7:35 pm-8:28 pm

Nonstop1h 53m

Seattle/Tacoma Intl

Wed 6/11

7:05 am-9:45 am

Nonstop1h 40m

$143

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 6/4

12:30 pm-6:33 pm

2 stops7h 03m

Seattle/Tacoma Intl

Wed 6/11

5:35 am-3:01 pm

2 stops8h 26m

$145

KelownaSeattle

YLW - SEA

YLWSEA

Kelowna

Fri 5/30

6:00 am-12:58 pm

2 stops6h 58m

Seattle/Tacoma Intl

Sun 6/1

8:10 am-5:46 pm

2 stops9h 36m

$146

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

Wed 5/7

9:00 am-2:09 pm

1 stop5h 09m

Seattle/Tacoma Intl

Thu 5/8

8:37 am-9:38 am

Nonstop1h 01m

$151

KelownaSeattle

YLW - SEA

YLWSEA

Kelowna

Thu 6/5

5:45 am-9:18 am

1 stop3h 33m

Seattle/Tacoma Intl

Thu 6/12

5:35 am-9:12 am

1 stop3h 37m

$155

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

Mon 5/19

9:10 pm-10:13 pm

Nonstop1h 03m

Seattle/Tacoma Intl

Tue 5/20

2:55 pm-4:00 pm

Nonstop1h 05m

$161

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Wed 5/7

6:00 am-12:58 pm

1 stop9h 58m

Seattle/Tacoma Intl

Wed 5/14

1:50 pm-12:41 am

1 stop7h 51m

$161

KelownaSeattle

YLW - SEA

YLWSEA

Kelowna

Fri 5/9

1:34 pm-2:50 pm

Nonstop1h 16m

Seattle/Tacoma Intl

Mon 5/12

11:28 am-12:44 pm

Nonstop1h 16m

$165

VancouverSeattle

YVR - SEA

YVRSEA

Vancouver Intl

Tue 5/6

6:00 am-7:00 am

Nonstop1h 00m

Seattle/Tacoma Intl

Tue 5/6

11:02 pm-11:58 pm

Nonstop0h 56m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/20

Showing 1-10 of 60 results

...

Best time to book a flight from Canada to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Canada 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.

Cheapflights Insights

Everything you need to know about your flight from Canada to Seattle

What is the cheapest month to book a flight from Canada to Seattle?

Currently, January is the cheapest month in which you can book a flight from Canada to Seattle (average of $238). Flying from Canada to Seattle in July is currently the most expensive (average of $411). 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 CA to SEA?

When flying from Canada to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Canada to Seattle

The most flights from CA0 to SEA are scheduled on a Tuesday (5 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Seattle by month

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Read reviews from past customers who have flown Alaska Airlines, Delta and United Airlines from Canada to Seattle. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,906 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,906 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

7,920 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,683 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

WestJet

7.2

Good

2,813 reviews

Alaska Airlines

8.0

Very good

9,906 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

What airport do you fly into for flights to Seattle from Canada?
Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to Seattle from Canada.
What are the cheapest airlines to fly from Canada to Seattle one-way?
To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $75. Alaska Airlines flights start at $93 while deals on Air Canada start at $94 one-way.
What are the most popular routes from Canada to Seattle?
The most popular route from Canada to Seattle is Toronto Pearson Intl - Seattle/Tacoma Intl. You may also consider Vancouver Intl - Seattle/Tacoma Intl or Montreal Pierre Elliott Trudeau Intl - Seattle/Tacoma Intl.
What are the most reliable airlines from Canada to Seattle?
The top 3 most reliable airlines when flying from Canada to Seattle are Air Tahiti Nui (95%), Alaska Airlines (87%) and Hawaiian Airlines (87%).
What are the cheapest flights from Canada to Seattle?
On average you can expect to pay $360 for a flight from Canada to Seattle. The cheapest flight overall is $170 while the most popular route, (Toronto Pearson Intl - Seattle/Tacoma Intl) is currently priced at $264.
Can I find deals for flights from Canada to Seattle that include hotel bookings?
Yes. In addition to deals on Canada to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Canada to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Canada to Seattle.
Can I find deals for business class flights from Canada to Seattle?
Yes. Cheapflights offers flight deals from Canada to Seattle 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 Canada to Seattle?
Currently, January is the cheapest month in which you can book a flight from Canada to Seattle (average of $238). Flying from Canada to Seattle in July is currently the most expensive (average of $411). 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

SeaTac

Tukwila

Tacoma

Renton

Lakewood

Ocean Shores

Lacey

Leavenworth

Federal Way

Olympia

Shoreline

Cle Elum

Centralia

Kent

Aberdeen

Lynnwood

Shelton

Silverdale

Redmond

Issaquah

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from Canada to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$100	Average$390	FlexibilityNo cancel fee	On-timeN/A
WestJet	Cheapest$110	Average$335	FlexibilityNo cancel fee	On-time60%
Air Canada	Cheapest$128	Average$371	FlexibilityNo cancel fee	On-time67%
Alaska Airlines	Cheapest$140	Average$324	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$174	Average$417	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$393	Average$653	FlexibilityNo cancel fee	On-time71%

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$75+ Cheap flights from Canada to Seattle (SEA)

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Canada to Seattle with Cheapflights

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Cheap flight deals from Canada to Seattle

Keep the following information in mind while searching for Canada to Seattle flight deals. Data was last updated April 22, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Canada to Seattle

Cheapest flights from Canada to SeattleExplore the most affordable flight options available from Canada to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Explore the most affordable flight options available from Canada to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Canada to Seattle that are best for you.

Best time to book a flight from Canada to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Canada with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Canada to Seattle

What is the cheapest month to book a flight from Canada to Seattle?

What is the cheapest time of day to fly from CA to SEA?

Find hourly flight availability from Canada to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 22, 2025.

Weekly flight availability from Canada to Seattle

Explore weekly flight availability from Canada to Seattle. 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 April 22, 2025.

Rainfall in Seattle by month

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

Temperature in Seattle by month

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

Reviews of airlines servicing Seattle

Read reviews from past customers who have flown Alaska Airlines, Delta and United Airlines from Canada to Seattle. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What airport do you fly into for flights to Seattle from Canada?

What are the cheapest airlines to fly from Canada to Seattle one-way?

What are the most popular routes from Canada to Seattle?

What are the most reliable airlines from Canada to Seattle?

What are the cheapest flights from Canada to Seattle?

Can I find deals for flights from Canada to Seattle that include hotel bookings?

How can I find direct flights from Canada to Seattle?

Can I find deals for business class flights from Canada to Seattle?

What is the cheapest month to book a flight from Canada to Seattle?

Traveling to a place near Canada?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Canada to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Canada to Seattle

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Cheapest flights from Canada to Seattle
Explore the most affordable flight options available from Canada to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.