When is the best time to book a flight to Seattle?

The best time to book flights to Seattle is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What airport do you fly into for flights to Seattle?

Travellers will need to book flights to Seattle/Tacoma Intl (SEA) if they wish to fly to Seattle. The Seattle airport is 18.4 km from the city centre. 6 airlines have flights to Seattle/Tacoma Intl from Toronto on a daily basis. Booking flights to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 2 flights from Toronto per day.

What is the cheapest month to fly to Seattle?

Currently, January is the cheapest month in which you can book a flight to Seattle . Flying to Seattle in December will prove the most costly. There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Can I find cheaper flights to Seattle if I am willing to have layovers?

Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to Seattle on Cheapflights that require 1 or 2 stops for potential cost savings.

What is the best airline to fly to Seattle?

Based on reviews from Cheapflights users, Air Canada is rated the highest out of the airlines that fly to Seattle.

What is the cheapest airport to fly to in Seattle?

Seattle/Tacoma Intl is currently the cheapest airport to fly to in Seattle. One-way flights to Seattle/Tacoma Intl typically cost C$ 96, while round-trip flights cost around C$ 142.

How much is a round-trip flight to Seattle?

A round-trip flight to Seattle will typically cost around C$ 605, however they can be found for as little as C$ 142.

Where does the fastest flight to Seattle depart from?

For those looking to save time traveling to Seattle, Victoria Intl offers the quickest one-way flight (0 hours 52 minutes).

Does Seattle/Tacoma Intl have rental cars?

Yes. Those touching down at Seattle/Tacoma Intl can take advantage of the rental car services offered upon their arrival.

Are there hotels close to Seattle/Tacoma Intl?

Yes. Seattle/Tacoma Intl has hotels nearby for those requiring accommodations. Seatac Inn is the closest property to Seattle/Tacoma Intl (0.0 km away from Seattle/Tacoma Intl).

When is the cheapest time to fly to Seattle?

Users looking for the lowest fares to Seattle should consider flying on Thursday mornings, when prices are typically cheapest. Budget-minded travellers will want to avoid Monday evenings, when prices are usually at their highest.

What are the most popular airlines that fly to Seattle?

The most popular airlines flying from Toronto to Seattle are Alaska Airlines, Air Canada and WestJet.

How long is the flight to Seattle?

On average, a flight from Toronto to Seattle takes 7 hours 46 minutes. Flights to Seattle from other popular cities in Canada will vary in length. Below are a few examples of popular routes and their flight times.

What are the cheapest airlines that fly to Seattle?

The cheapest airlines flying from Toronto to Seattle are WestJet, Alaska Airlines and Air Canada.

In terms of precipitation, rainfall in Seattle 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 Seattle when rainfall is around 18.0 mm.

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 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).

When is the best time to fly to Seattle?

Peak Season: Although it rains a lot in Seattle there is significantly less during the months from April to October. As the summer weather (June – mid September) is also mild, this half of the year is the most pleasant time to visit. The summer season is the most popular time and is when most people book flights to Seattle. Hotel rates and airfare tickets tend to be more expensive from around mid-May to mid-September. Travellers can experience long days as during June and July it stays light until 10pm. You may still need to pack an umbrella as there are occasional summer showers, although, you’ll find plenty to keep you occupied indoors, such as, going to see something in the theatres and performance halls. Summer is also when the big, primarily outdoor, festivals are held. Off Season: The rainy season goes from October to April, which is when fewer people tend to visit the city, compared with the drier peak season. This is a good time to look for flights to Seattle and accommodation, as you may be able to find a good deal. If you visit during October, why not attend the annual Fremont Oktoberfest? This event features the biggest beer garden in the Northwest with over 100 mircobrews and craft beers on offer to taste and enjoy. There is also a variety of attractions for all the family, such as, the Oktoberfest 5k beer run, live Seattle Bands and a children’s activity area. The most pleasant weather during the off-season occurs in early May and late September. So why not book during these months to make the most of cheap flights to Seattle.

Cheap Flights to Seattle from C$ 214

Flights to Seattle in 2025

Round-trip from	C$ 300
One-way from	C$ 214
Popular in	December
Cheapest in	February
Average price	C$ 461
Good round-trip deal	C$ 355 or less
Good one-way deal	C$ 315 or less

WestJet
2/12-7/12
3 total stops
21h 23m total
Toronto to Seattle

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WestJet
3/12
2 total stops
19h 05m total
Toronto to Seattle

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Highest demand for flights based on searches. 3% potential increase in price.

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Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).

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Average for round-trip flights in October 2025

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

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

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Find flight deals to Seattle

Enter your travel dates to find the best prices.

Cheapest flights to Seattle
Explore the most affordable flight options available to Seattle. Find the lowest fares based on data from user searches, with prices last updated on 23 October 2025.

Tue 2/127:45 a.m.YYZ - SEA

1 stop9h 35mWestJet

Sun 7/123:10 p.m.SEA - YYZ

2 stops11h 48mWestJet

Deal found 22/10C$ 300

Mon 24/117:45 a.m.YYZ - SEA

1 stop9h 35mWestJet

Sat 29/113:20 p.m.SEA - YYZ

2 stops11h 38mWestJet

Deal found 22/10C$ 301

Sun 7/127:45 a.m.YYZ - SEA

1 stop9h 35mWestJet

Wed 10/123:10 p.m.SEA - YYZ

2 stops11h 48mWestJet

Deal found 21/10C$ 302

Fri 5/127:45 a.m.YYZ - SEA

1 stop9h 35mWestJet

Fri 12/123:10 p.m.SEA - YYZ

2 stops11h 48mWestJet

Deal found 20/10C$ 311

Thu 4/127:45 a.m.YYZ - SEA

1 stop9h 35mWestJet

Thu 11/123:10 p.m.SEA - YYZ

2 stops11h 48mWestJet

Deal found 22/10C$ 312

Mon 1/127:45 a.m.YYZ - SEA

1 stop9h 35mWestJet

Mon 8/123:10 p.m.SEA - YYZ

2 stops11h 48mWestJet

Deal found 21/10C$ 314

Fri 21/117:45 a.m.YYZ - SEA

1 stop9h 35mWestJet

Mon 24/113:10 p.m.SEA - YYZ

2 stops12h 48mWestJet

Deal found 21/10C$ 316

Fri 14/117:45 a.m.YYZ - SEA

1 stop9h 35mWestJet

Fri 21/1111:55 a.m.SEA - YYZ

1 stop16h 03mWestJet

Deal found 21/10C$ 322

Fri 14/117:45 a.m.YYZ - SEA

1 stop9h 35mWestJet

Fri 21/1111:55 a.m.SEA - YYZ

2 stops8h 44mWestJet

Deal found 21/10C$ 323

Sat 22/1110:15 p.m.YYZ - SEA

1 stop19h 05mWestJet

Sat 29/113:20 p.m.SEA - YYZ

2 stops11h 38mWestJet

Deal found 22/10C$ 325

Thu 13/117:45 a.m.YYZ - SEA

1 stop9h 35mWestJet

Fri 14/1111:55 a.m.SEA - YYZ

1 stop16h 03mWestJet

Deal found 22/10C$ 326

Mon 24/117:45 a.m.YYZ - SEA

1 stop9h 35mWestJet

Sat 29/113:20 p.m.SEA - YYZ

2 stops11h 38mWestJet

Deal found 22/10C$ 328

Best flights to Seattle
Discover carefully curated flight deals to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 23 October 2025.

Tue 18/114:45 p.m.YYZ - SEA

Nonstop5h 20mAlaska Airlines

Tue 25/117:57 a.m.SEA - YYZ

Nonstop4h 38mAlaska Airlines

Deal found 21/10C$ 360

Sat 22/116:05 p.m.YYZ - SEA

1 stop7h 18mDelta

Fri 28/116:00 a.m.SEA - YYZ

1 stop7h 02mDelta

Deal found 22/10C$ 371

Tue 18/115:55 p.m.YYZ - SEA

1 stop10h 04mUnited Airlines

Sat 22/1112:10 a.m.SEA - YYZ

1 stop10h 33mUnited Airlines

Deal found 23/10C$ 389

Thu 4/126:20 a.m.YKF - SEA

1 stop11h 00mWestJet

Sun 7/1211:55 a.m.SEA - YKF

2 stops14h 33mWestJet

Deal found 22/10C$ 445

Wed 3/1210:30 a.m.YTZ - SEA

2 stops26h 01mAir Canada

Wed 10/128:00 p.m.SEA - YTZ

2 stops10h 42mAir Canada

Deal found 20/10C$ 449

Fri 5/127:05 a.m.YKF - SEA

1 stop10h 15mMultiple Airlines

Fri 12/1211:55 a.m.SEA - YKF

2 stops14h 33mMultiple Airlines

Deal found 20/10C$ 491

Wed 19/116:00 a.m.YYZ - SEA

1 stop11h 29mDelta

Fri 28/116:00 a.m.SEA - YYZ

1 stop7h 02mDelta

Deal found 22/10C$ 371

Thu 13/114:45 p.m.YYZ - SEA

Nonstop5h 20mAlaska Airlines

Sat 15/117:55 a.m.SEA - YYZ

Nonstop4h 40mAlaska Airlines

Deal found 22/10C$ 371

Sun 23/114:45 p.m.YYZ - SEA

Nonstop5h 32mAlaska Airlines

Tue 25/117:57 a.m.SEA - YYZ

Nonstop4h 38mAlaska Airlines

Deal found 22/10C$ 371

Thu 20/116:30 a.m.YYZ - SEA

1 stop7h 24mDelta

Fri 28/116:00 a.m.SEA - YYZ

1 stop7h 02mDelta

Deal found 22/10C$ 371

Wed 12/114:45 p.m.YYZ - SEA

Nonstop5h 20mAlaska Airlines

Fri 14/117:55 a.m.SEA - YYZ

Nonstop4h 40mAlaska Airlines

Deal found 22/10C$ 371

Wed 3/1212:30 p.m.YTZ - SEA

2 stops24h 01mAir Canada

Wed 10/128:00 p.m.SEA - YTZ

2 stops12h 42mAir Canada

Deal found 20/10C$ 451

Mon 24/116:20 a.m.YKF - SEA

1 stop11h 00mWestJet

Sun 30/113:10 p.m.SEA - YKF

1 stop11h 18mWestJet

Deal found 20/10C$ 466

Mon 24/114:45 p.m.YYZ - SEA

Nonstop5h 32mAlaska Airlines

Sat 29/117:57 a.m.SEA - YYZ

Nonstop4h 38mAlaska Airlines

Deal found 22/10C$ 371

Fri 16/17:05 a.m.YKF - SEA

2 stops30h 18mMultiple Airlines

Sun 25/13:10 p.m.SEA - YKF

1 stop11h 18mMultiple Airlines

Deal found 22/10C$ 496

Mon 2/36:30 p.m.YTZ - SEA

2 stops23h 31mAir Canada

Tue 3/38:00 p.m.SEA - YTZ

2 stops12h 42mAir Canada

Deal found 21/10C$ 455

Thu 20/114:45 p.m.YYZ - SEA

Nonstop5h 20mAlaska Airlines

Sat 29/117:57 a.m.SEA - YYZ

Nonstop4h 38mAlaska Airlines

Deal found 22/10C$ 371

Fri 5/127:05 a.m.YKF - SEA

2 stops15h 11mMultiple Airlines

Fri 12/123:40 p.m.SEA - YKF

2 stops21h 20mMultiple Airlines

Deal found 20/10C$ 497

Thu 5/26:20 a.m.YKF - SEA

1 stop10h 59mWestJet

Mon 9/23:10 p.m.SEA - YKF

1 stop11h 19mWestJet

Deal found 23/10C$ 500

Mon 2/38:30 p.m.YTZ - SEA

2 stops21h 31mAir Canada

Tue 3/38:00 p.m.SEA - YTZ

2 stops12h 42mAir Canada

Deal found 22/10C$ 456

Sun 23/114:45 p.m.YYZ - SEA

Nonstop5h 32mAlaska Airlines

Sat 29/117:57 a.m.SEA - YYZ

Nonstop4h 38mAlaska Airlines

Deal found 22/10C$ 371

Fri 5/127:05 a.m.YKF - SEA

2 stops15h 11mMultiple Airlines

Fri 12/123:40 p.m.SEA - YKF

2 stops21h 20mMultiple Airlines

Deal found 20/10C$ 497

Mon 24/116:10 p.m.YHM - SEA

1 stop23h 10mWestJet

Sat 29/113:20 p.m.SEA - YHM

1 stop22h 57mWestJet

Deal found 22/10C$ 508

Fri 5/128:30 p.m.YTZ - SEA

2 stops21h 01mAir Canada

Fri 12/125:50 a.m.SEA - YTZ

2 stops9h 23mAir Canada

Deal found 20/10C$ 493

Fri 5/127:05 a.m.YKF - SEA

2 stops15h 11mMultiple Airlines

Fri 12/123:40 p.m.SEA - YKF

2 stops21h 20mMultiple Airlines

Deal found 20/10C$ 501

Thu 20/114:45 p.m.YYZ - SEA

Nonstop5h 20mAlaska Airlines

Mon 1/127:57 a.m.SEA - YYZ

Nonstop4h 38mAlaska Airlines

Deal found 22/10C$ 381

Mon 24/116:20 a.m.YKF - SEA

1 stop11h 00mWestJet

Sun 30/1111:55 a.m.SEA - YKF

2 stops14h 33mWestJet

Deal found 20/10C$ 525

Wed 10/126:10 p.m.YHM - SEA

1 stop23h 10mWestJet

Sat 13/123:20 p.m.SEA - YHM

1 stop22h 57mWestJet

Deal found 23/10C$ 536

Thu 20/1110:30 a.m.YTZ - SEA

2 stops11h 46mAir Canada

Thu 27/118:00 p.m.SEA - YTZ

2 stops19h 13mAir Canada

Deal found 20/10C$ 560

Wed 3/124:30 p.m.YTZ - SEA

3 stops24h 50mMultiple Airlines

Wed 10/128:00 p.m.SEA - YTZ

2 stops12h 42mMultiple Airlines

Deal found 20/10C$ 571

Direct flights to Seattle
Explore direct flight options to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 23 October 2025.

Sat 22/117:50 p.m.YYZ - SEA

Nonstop5h 26mMultiple Airlines

Sat 29/117:57 a.m.SEA - YYZ

Nonstop4h 38mMultiple Airlines

Deal found 21/10C$ 344

Sat 22/117:50 p.m.YYZ - SEA

Nonstop5h 26mAir Canada

Sat 29/118:10 a.m.SEA - YYZ

Nonstop4h 43mAir Canada

Deal found 22/10C$ 346

Sat 22/117:50 p.m.YYZ - SEA

Nonstop5h 26mAir Canada

Sat 29/118:10 a.m.SEA - YYZ

Nonstop4h 43mAir Canada

Deal found 21/10C$ 349

Fri 21/114:45 p.m.YYZ - SEA

Nonstop5h 32mAlaska Airlines

Mon 24/117:57 a.m.SEA - YYZ

Nonstop4h 38mAlaska Airlines

Deal found 21/10C$ 350

Tue 25/114:45 p.m.YYZ - SEA

Nonstop5h 32mAlaska Airlines

Tue 2/127:55 a.m.SEA - YYZ

Nonstop4h 40mAlaska Airlines

Deal found 22/10C$ 354

Fri 16/14:45 p.m.YYZ - SEA

Nonstop5h 36mAlaska Airlines

Sun 25/17:55 a.m.SEA - YYZ

Nonstop4h 40mAlaska Airlines

Deal found 22/10C$ 357

Sat 22/114:45 p.m.YYZ - SEA

Nonstop5h 32mAlaska Airlines

Sat 29/117:57 a.m.SEA - YYZ

Nonstop4h 38mAlaska Airlines

Deal found 22/10C$ 358

Tue 18/114:45 p.m.YYZ - SEA

Nonstop5h 20mAlaska Airlines

Tue 25/117:57 a.m.SEA - YYZ

Nonstop4h 38mAlaska Airlines

Deal found 21/10C$ 360

Thu 13/114:45 p.m.YYZ - SEA

Nonstop5h 20mAlaska Airlines

Tue 18/117:55 a.m.SEA - YYZ

Nonstop4h 40mAlaska Airlines

Deal found 23/10C$ 368

Wed 12/114:45 p.m.YYZ - SEA

Nonstop5h 20mAlaska Airlines

Sun 16/117:55 a.m.SEA - YYZ

Nonstop4h 40mAlaska Airlines

Deal found 22/10C$ 370

Thu 20/114:45 p.m.YYZ - SEA

Nonstop5h 20mAlaska Airlines

Tue 25/117:57 a.m.SEA - YYZ

Nonstop4h 38mAlaska Airlines

Deal found 22/10C$ 371

Fri 5/124:45 p.m.YYZ - SEA

Nonstop5h 33mAlaska Airlines

Fri 12/127:55 a.m.SEA - YYZ

Nonstop4h 40mAlaska Airlines

Deal found 20/10C$ 378

Last-minute flights to Seattle
Discover last-minute flight deals to Seattle. Data last updated 23 October 2025 and is based on user searches.

Thu 13/117:45 a.m.YYZ - SEA

1 stop9h 35mWestJet

Fri 14/1111:55 a.m.SEA - YYZ

1 stop16h 03mWestJet

Deal found 22/10C$ 326

Fri 14/117:45 a.m.YYZ - SEA

1 stop9h 35mWestJet

Fri 21/1111:55 a.m.SEA - YYZ

1 stop16h 03mWestJet

Deal found 21/10C$ 322

Fri 14/117:45 a.m.YYZ - SEA

1 stop9h 35mWestJet

Fri 21/1111:55 a.m.SEA - YYZ

2 stops8h 44mWestJet

Deal found 21/10C$ 323

Fri 21/117:45 a.m.YYZ - SEA

1 stop9h 35mWestJet

Mon 24/113:10 p.m.SEA - YYZ

2 stops12h 48mWestJet

Deal found 21/10C$ 316

Sat 22/1110:15 p.m.YYZ - SEA

1 stop19h 05mWestJet

Sat 29/113:20 p.m.SEA - YYZ

2 stops11h 38mWestJet

Deal found 22/10C$ 325

Sat 22/1110:15 p.m.YYZ - SEA

1 stop19h 05mWestJet

Sat 29/113:20 p.m.SEA - YYZ

2 stops11h 38mWestJet

Deal found 22/10C$ 329

Sat 22/1110:15 p.m.YYZ - SEA

1 stop19h 05mWestJet

Sat 29/113:20 p.m.SEA - YYZ

2 stops11h 38mWestJet

Deal found 22/10C$ 335

Sun 23/117:45 a.m.YYZ - SEA

1 stop9h 35mWestJet

Sun 30/1111:55 a.m.SEA - YYZ

2 stops8h 44mWestJet

Deal found 22/10C$ 336

Mon 24/117:45 a.m.YYZ - SEA

1 stop9h 35mWestJet

Sat 29/113:20 p.m.SEA - YYZ

2 stops11h 38mWestJet

Deal found 22/10C$ 301

Mon 24/117:45 a.m.YYZ - SEA

1 stop9h 35mWestJet

Sat 29/113:20 p.m.SEA - YYZ

2 stops11h 38mWestJet

Deal found 22/10C$ 328

Mon 24/117:45 a.m.YYZ - SEA

1 stop9h 35mMultiple Airlines

Sat 29/117:57 a.m.SEA - YYZ

Nonstop4h 38mMultiple Airlines

Deal found 22/10C$ 333

Tue 25/117:45 a.m.YYZ - SEA

1 stop9h 35mWestJet

Tue 2/123:10 p.m.SEA - YYZ

1 stop12h 03mWestJet

Deal found 22/10C$ 330

One-way flights to Seattle
Search for one-way flight options to Seattle. Find affordable one-way fares based on user searches. Data last updated 23 October 2025.

Wed 3/1210:15 p.m.YYZ - SEA

2 stops19h 05mWestJet

Deal found 23/10C$ 214

Sun 16/117:05 a.m.YKF - SEA

1 stop10h 15mMultiple Airlines

Deal found 23/10C$ 216

Sat 15/114:45 p.m.YYZ - SEA

Nonstop5h 20mAlaska Airlines

Deal found 22/10C$ 216

Fri 14/116:30 a.m.YYZ - SEA

1 stop10h 50mWestJet

Deal found 22/10C$ 217

Sun 30/116:30 p.m.YYZ - SEA

1 stop22h 50mWestJet

Deal found 21/10C$ 218

Sat 6/126:30 a.m.YYZ - SEA

1 stop11h 10mWestJet

Deal found 22/10C$ 220

Thu 13/116:30 a.m.YYZ - SEA

1 stop10h 50mWestJet

Deal found 20/10C$ 221

Wed 3/121:30 p.m.YYZ - SEA

1 stop27h 50mWestJet

Deal found 23/10C$ 223

Thu 13/114:45 p.m.YYZ - SEA

Nonstop5h 20mAlaska Airlines

Deal found 23/10C$ 225

Sat 29/1110:15 p.m.YYZ - SEA

2 stops15h 07mWestJet

Deal found 22/10C$ 227

Wed 12/116:10 p.m.YYZ - SEA

1 stop8h 49mDelta

Deal found 22/10C$ 228

Sat 15/116:30 a.m.YYZ - SEA

1 stop9h 27mDelta

Deal found 23/10C$ 230

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Cheap flights to Seattle – Compare and Save

Flights to Seattle in 2025

Find the latest flights to Seattle in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 23 October 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals to Seattle

Cheapest flights to SeattleExplore the most affordable flight options available to Seattle. Find the lowest fares based on data from user searches, with prices last updated on 23 October 2025.

Explore the most affordable flight options available to Seattle. Find the lowest fares based on data from user searches, with prices last updated on 23 October 2025.

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Cheapest flights to Seattle
Explore the most affordable flight options available to Seattle. Find the lowest fares based on data from user searches, with prices last updated on 23 October 2025.