What is the cheapest airline that flies from Winnipeg to Seattle/Tacoma Intl?

Air Canada, WestJet, and United Airlines are the most popular carriers operating from Winnipeg to Seattle/Tacoma Intl

What airlines fly to Seattle?

Air Canada, WestJet and Delta are the top three most popular airlines that fly to Seattle from Winnipeg according to our data. Air Canada is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Winnipeg Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Winnipeg Airport to Seattle/Tacoma Intl Airport are updated daily.

How many operators does momondo search for flights from Winnipeg Airport to Seattle/Tacoma Intl Airport?

As of September 2025, there are 3 operators available to choose from for flights from Winnipeg Airport to Seattle/Tacoma Intl Airport.

How old do you have to be to fly from Winnipeg Airport to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Winnipeg Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$110 Cheap Flights from Winnipeg to Seattle in 2025/26

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Find the cheapest flights from Winnipeg to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

4:10 pm - 2:38 pmYWG-SEA

24h 28m1 stop

3:10 pm - 10:41 pmSEA-YWG

5h 31m1 stop

$191WestJet

Find Deal

Fri, Oct 31 - Mon, Nov 3

5:55 am - 2:20 pmYWG-SEA

10h 25m2 stops

3:10 pm - 12:41 amSEA-YWG

7h 31m1 stop

$193WestJet

Find Deal

Fri, Oct 31 - Mon, Nov 3

5:55 am - 2:20 pmYWG-SEA

10h 25m2 stops

3:10 pm - 10:41 pmSEA-YWG

5h 31m1 stop

$197WestJet

Find Deal

Thu, Jan 15 - Sun, Jan 18

6:05 pm - 10:06 pmYWG-SEA

6h 01m1 stop

3:40 pm - 1:09 amSEA-YWG

7h 29m1 stop

$211Air Canada

Find Deal

Wed, Mar 4 - Fri, Mar 6

2:20 pm - 10:35 amYWG-SEA

22h 15m2 stops

7:28 pm - 11:57 amSEA-YWG

14h 29m2 stops

$217United Airlines

Find Deal

Fri, Nov 14 - Mon, Nov 17

8:00 am - 7:16 pmYWG-SEA

13h 16m2 stops

5:50 am - 12:59 pmSEA-YWG

5h 09m1 stop

$250Air Canada

Find Deal

Wed, Mar 4 - Fri, Mar 6

6:15 am - 5:06 pmYWG-SEA

12h 51m2 stops

3:10 pm - 10:41 pmSEA-YWG

5h 31m1 stop

$286

Find Deal

Fri, Nov 7 - Mon, Nov 17

6:15 am - 5:06 pmYWG-SEA

12h 51m2 stops

3:10 pm - 10:41 pmSEA-YWG

5h 31m1 stop

$319

Find Deal

Fri, Nov 7 - Mon, Nov 17

7:00 am - 9:15 pmYWG-SEA

16h 15m3 stops

7:00 am - 10:33 pmSEA-YWG

13h 33m1 stop

$334United Airlines

Find Deal

Sat, Sep 27 - Sun, Oct 5

2:40 pm - 8:50 pmYWG-SEA

8h 10m1 stop

3:10 pm - 10:41 pmSEA-YWG

5h 31m1 stop

$342Delta

Find Deal

Fri, Nov 7 - Mon, Nov 17

United Airlines flights from Winnipeg to Seattle

Our best United Airlines deals on Winnipeg to Seattle flight tickets

United Airlines

Nov 14

YWG2:20 pmWinnipeg

22h 15m

2 stops

SEA10:35 amSeattle/Tacoma Intl

Nov 17

SEA7:28 pmSeattle/Tacoma Intl

14h 29m

2 stops

YWG11:57 amWinnipeg

$217

Find similar

United Airlines

Sep 27

YWG7:00 amWinnipeg

16h 15m

3 stops

SEA9:15 pmSeattle/Tacoma Intl

Oct 5

SEA7:00 amSeattle/Tacoma Intl

13h 33m

1 stop

YWG10:33 pmWinnipeg

$334

Find similar

United Airlines

Sep 27

YWG7:00 amWinnipeg

10h 45m

1 stop

SEA3:45 pmSeattle/Tacoma Intl

Oct 5

SEA7:00 amSeattle/Tacoma Intl

13h 33m

1 stop

YWG10:33 pmWinnipeg

$338

Find similar

WestJet flights from Winnipeg to Seattle

Our best WestJet deals on Winnipeg to Seattle flight tickets

WestJet

Oct 31

YWG4:10 pmWinnipeg

24h 28m

1 stop

SEA2:38 pmSeattle/Tacoma Intl

Nov 3

SEA3:10 pmSeattle/Tacoma Intl

5h 31m

1 stop

YWG10:41 pmWinnipeg

$191

Find similar

WestJet

Oct 31

YWG5:55 amWinnipeg

10h 25m

2 stops

SEA2:20 pmSeattle/Tacoma Intl

Nov 3

SEA3:10 pmSeattle/Tacoma Intl

7h 31m

1 stop

YWG12:41 amWinnipeg

$193

Find similar

WestJet

Jan 15

YWG5:55 amWinnipeg

10h 25m

2 stops

SEA2:20 pmSeattle/Tacoma Intl

Jan 18

SEA3:10 pmSeattle/Tacoma Intl

5h 31m

1 stop

YWG10:41 pmWinnipeg

$197

Find similar

Fly from

Fly to

Route

Depart

Return

Price

WinnipegSeattle

YWG - SEA

YWGSEA

Winnipeg

Fri 10/31

4:10 pm-2:38 pm

1 stop24h 28m

Seattle/Tacoma Intl

Mon 11/3

3:10 pm-10:41 pm

1 stop5h 31m

$191

WinnipegSeattle

YWG - SEA

YWGSEA

Winnipeg

Fri 10/31

5:55 am-2:20 pm

2 stops10h 25m

Seattle/Tacoma Intl

Mon 11/3

3:10 pm-12:41 am

1 stop7h 31m

$193

WinnipegSeattle

YWG - SEA

YWGSEA

Winnipeg

Thu 1/15

5:55 am-2:20 pm

2 stops10h 25m

Seattle/Tacoma Intl

Sun 1/18

3:10 pm-10:41 pm

1 stop5h 31m

$197

WinnipegSeattle

YWG - SEA

YWGSEA

Winnipeg

Wed 3/4

6:05 pm-10:06 pm

1 stop6h 01m

Seattle/Tacoma Intl

Fri 3/6

3:40 pm-1:09 am

1 stop7h 29m

$211

WinnipegSeattle

YWG - SEA

YWGSEA

Winnipeg

Fri 11/14

2:20 pm-10:35 am

2 stops22h 15m

Seattle/Tacoma Intl

Mon 11/17

7:28 pm-11:57 am

2 stops14h 29m

$217

WinnipegSeattle

YWG - SEA

YWGSEA

Winnipeg

Wed 3/4

8:00 am-7:16 pm

2 stops13h 16m

Seattle/Tacoma Intl

Fri 3/6

5:50 am-12:59 pm

1 stop5h 09m

$250

WinnipegSeattle

YWG - SEA

YWGSEA

Winnipeg

Fri 11/7

6:15 am-5:06 pm

2 stops12h 51m

Seattle/Tacoma Intl

Mon 11/17

3:10 pm-10:41 pm

1 stop5h 31m

$286

WinnipegSeattle

YWG - SEA

YWGSEA

Winnipeg

Fri 11/7

6:15 am-5:06 pm

2 stops12h 51m

Seattle/Tacoma Intl

Mon 11/17

3:10 pm-10:41 pm

1 stop5h 31m

$319

WinnipegSeattle

YWG - SEA

YWGSEA

Winnipeg

Sat 9/27

7:00 am-9:15 pm

3 stops16h 15m

Seattle/Tacoma Intl

Sun 10/5

7:00 am-10:33 pm

1 stop13h 33m

$334

WinnipegSeattle

YWG - SEA

YWGSEA

Winnipeg

Fri 11/7

2:40 pm-8:50 pm

1 stop8h 10m

Seattle/Tacoma Intl

Mon 11/17

3:10 pm-10:41 pm

1 stop5h 31m

$342

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Winnipeg to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Seattle?

In general, September is the cheapest month to fly from Winnipeg to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $242. If you don’t want to visit Seattle in September, then you should wait until June to fly from Winnipeg, when ticket prices are also cheap, with an average price of $260.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Winnipeg is on a Thursday. momondo users have found tickets for Thursday departures for as low as $314. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Winnipeg because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $439.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Winnipeg in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $311 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $355. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Seattle from Winnipeg when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $301 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Winnipeg for as low as $232 on momondo.

How have Winnipeg to Seattle flight prices changed over time?

As of September 2025, prices for Winnipeg to Seattle flights are approximately 30% cheaper when compared to flights at the same time last year.

When to book flights from Winnipeg to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Winnipeg to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Winnipeg to Seattle (YWG to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Winnipeg to Seattle

Direct flights	None

There are no direct flights from Winnipeg to Seattle. There are no popular flight routes from Winnipeg to Seattle.

Search flight deals

How far is Winnipeg to Seattle/Tacoma Intl by plane?
There are 1152.6 mi between Winnipeg and Seattle/Tacoma Intl. A reasonable flight in good conditions will take 6h 01m.
When did momondo last update prices for flights from Winnipeg Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Winnipeg Airport to Seattle/Tacoma Intl Airport are updated daily.
How many operators does momondo search for flights from Winnipeg Airport to Seattle/Tacoma Intl Airport?
As of September 2025, there are 3 operators available to choose from for flights from Winnipeg Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Winnipeg Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Winnipeg Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Winnipeg to Seattle?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Winnipeg to Seattle is Air Canada (48% of total bookings). The next most popular airlines are WestJet (31%) and Delta (21%).

Best airlines flying from Winnipeg to Seattle

Compare and see reviews for airlines that fly from Winnipeg to Seattle with momondo

Airline	Rating	Free Cancellation	Price
WestJet	PriceFrom $143	Free Cancellation	Rating 7.2 3,091 reviews	Search WestJet flights
Delta	PriceFrom $215	Free Cancellation	Rating 7.9 7,954 reviews	Search Delta flights
Air Canada	PriceFrom $268	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights

Leavenworth

Tacoma

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Federal Way

Kirkland

Tukwila

Shoreline

Lakewood

Centralia

Fife

Cle Elum

Redmond

Westport

Why use momondo?

Why should I use momondo to find a flight deal from Winnipeg to Seattle?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Winnipeg to Seattle. momondo saves you time and could save you money on your trip.

Can I find flights from Winnipeg to Seattle with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seattle from Winnipeg with this policy.

How can momondo help me find flights from Winnipeg to Seattle?

Once all potential Winnipeg to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Winnipeg to Seattle right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Seattle from Winnipeg. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.