What is the cheapest airline that flies from Seattle/Tacoma Intl to St John's?

WestJet and American Airlines are the most popular carriers operating from Seattle/Tacoma Intl to St John's

What airlines fly to St. John's?

WestJet, Air Canada and United Airlines are the top three most popular airlines that fly to St. John's from Seattle according to our data. WestJet is the first choice among our users, with 52% of people opting to fly with this airline when traveling to St. John's. Keep in mind that there are 3 different airlines that fly to St. John's on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to St John's Airport?

Prices for flights from Seattle/Tacoma Intl Airport to St John's Airport are updated daily.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to St John's Airport?

There are 3 operators available for flights from Seattle/Tacoma Intl Airport to St John's Airport as of February 2026.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to St John's 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 Seattle/Tacoma Intl Airport to St John's Airport.

What documentation or ID do you need to fly to St John's Airport?

The travel and health documents you'll need for your trip to St John's Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at St John's Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$167 Cheap Flights from Seattle to St. John's in 2026

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Find the cheapest flights from Seattle to St. John's

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:35 pm - 6:45 am

SEA

YYT

30h 40m

1 stop

8:55 am - 9:40 am

YYT

SEA

29h 15m

3 stops

$509Multiple Airlines

Thu, May 14 - Sun, May 17

10:30 am - 6:45 am

SEA

YYT

15h 45m

1 stop

2:45 pm - 9:40 am

YYT

SEA

23h 25m

2 stops

$522Multiple Airlines

Thu, May 14 - Sun, May 17

10:30 am - 10:55 pm

SEA

YYT

31h 55m

2 stops

8:55 am - 9:40 am

YYT

SEA

29h 15m

3 stops

$545Multiple Airlines

Thu, May 14 - Sun, May 17

5:40 am - 12:35 am

SEA

YYT

14h 25m

2 stops

1:15 pm - 7:46 pm

YYT

SEA

11h 01m

1 stop

$580Air Canada

Fri, Jul 3 - Fri, Jul 10

11:30 am - 1:31 am

SEA

YYT

9h 31m

1 stop

1:15 pm - 7:46 pm

YYT

SEA

11h 01m

1 stop

$585Air Canada

Fri, Jul 3 - Fri, Jul 10

10:30 am - 6:45 am

SEA

YYT

15h 45m

1 stop

6:55 pm - 7:19 pm

YYT

SEA

28h 54m

1 stop

$607Multiple Airlines

Thu, May 14 - Sun, May 17

5:40 am - 1:38 am

SEA

YYT

15h 28m

2 stops

1:25 pm - 9:53 pm

YYT

SEA

12h 58m

2 stops

$609Air Canada

Fri, Apr 3 - Sat, Apr 18

7:35 pm - 6:20 am

SEA

YYT

30h 15m

1 stop

6:50 am - 6:38 pm

YYT

SEA

16h 18m

2 stops

$612WestJet

Fri, Jul 3 - Fri, Jul 10

7:35 pm - 6:20 am

SEA

YYT

30h 15m

1 stop

7:10 am - 6:38 pm

YYT

SEA

15h 58m

1 stop

$616WestJet

Fri, Jul 3 - Fri, Jul 10

8:00 am - 11:13 pm

SEA

YYT

10h 43m

1 stop

1:30 pm - 9:53 pm

YYT

SEA

12h 53m

1 stop

$621Air Canada

Fri, Apr 3 - Sat, Apr 18

Air Canada flights from Seattle to St. John's

Our best Air Canada deals on Seattle to St. John's flight tickets

Air Canada

Feb 15

SEA5:50 amSeattle/Tacoma Intl

15h 38m

2 stops

YYT1:58 amSt John's

Feb 18

YYT6:10 pmSt John's

19h 35m

2 stops

SEA9:15 amSeattle/Tacoma Intl

$389

Air Canada

Feb 15

SEA8:00 amSeattle/Tacoma Intl

13h 28m

1 stop

YYT1:58 amSt John's

Feb 18

YYT6:10 pmSt John's

19h 35m

2 stops

SEA9:15 amSeattle/Tacoma Intl

$395

Air Canada

Jul 3

SEA5:40 amSeattle/Tacoma Intl

14h 25m

2 stops

YYT12:35 amSt John's

Jul 10

YYT1:15 pmSt John's

11h 01m

1 stop

SEA7:46 pmSeattle/Tacoma Intl

$580

United Airlines flights from Seattle to St. John's

Our best United Airlines deals on Seattle to St. John's flight tickets

United Airlines

Feb 15

SEA12:12 pmSeattle/Tacoma Intl

24h 39m

3 stops

YYT5:21 pmSt John's

Feb 18

YYT6:10 pmSt John's

33h 03m

2 stops

SEA10:43 pmSeattle/Tacoma Intl

$963

United Airlines

Feb 8

SEA8:00 amSeattle/Tacoma Intl

10h 43m

1 stop

YYT11:13 pmSt John's

Feb 12

YYT1:30 pmSt John's

13h 16m

1 stop

SEA10:16 pmSeattle/Tacoma Intl

$1,796

United Airlines

Feb 8

SEA8:00 amSeattle/Tacoma Intl

10h 43m

1 stop

YYT11:13 pmSt John's

Feb 12

YYT1:30 pmSt John's

13h 16m

1 stop

SEA10:16 pmSeattle/Tacoma Intl

$2,332

Fly from

Fly to

Route

Depart

Return

Price

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 5/14

7:35 pm-6:45 am

1 stop30h 40m

St John's

Sun 5/17

8:55 am-9:40 am

3 stops29h 15m

$509

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 5/14

10:30 am-6:45 am

1 stop15h 45m

St John's

Sun 5/17

2:45 pm-9:40 am

2 stops23h 25m

$522

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 5/14

10:30 am-10:55 pm

2 stops31h 55m

St John's

Sun 5/17

8:55 am-9:40 am

3 stops29h 15m

$545

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 7/3

5:40 am-12:35 am

2 stops14h 25m

St John's

Fri 7/10

1:15 pm-7:46 pm

1 stop11h 01m

$580

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 7/3

11:30 am-1:31 am

1 stop9h 31m

St John's

Fri 7/10

1:15 pm-7:46 pm

1 stop11h 01m

$585

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 5/14

10:30 am-6:45 am

1 stop15h 45m

St John's

Sun 5/17

6:55 pm-7:19 pm

1 stop28h 54m

$607

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 4/3

5:40 am-1:38 am

2 stops15h 28m

St John's

Sat 4/18

1:25 pm-9:53 pm

2 stops12h 58m

$609

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 7/3

7:35 pm-6:20 am

1 stop30h 15m

St John's

Fri 7/10

6:50 am-6:38 pm

2 stops16h 18m

$612

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 7/3

7:35 pm-6:20 am

1 stop30h 15m

St John's

Fri 7/10

7:10 am-6:38 pm

1 stop15h 58m

$616

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 4/3

8:00 am-11:13 pm

1 stop10h 43m

St John's

Sat 4/18

1:30 pm-9:53 pm

1 stop12h 53m

$621

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seattle to St. John's

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

Can stopping save me money on Seattle to St. John's flights?

You could potentially save up to 1% on your flight if you consider stops on a Seattle to St. John's flight.

When to book flights from Seattle to St. John's

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

Estimated round-trip price

Cheap Seattle to St. John's (SEA to YYT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to St. John's

Fastest flight time	10h 43m
Direct flights	None

The fastest flight from Seattle to St. John's takes 10h 43m

There are no direct flights from Seattle to St. John's. There are no popular flight routes from Seattle to St. John's.

Search flight deals

How far is Seattle/Tacoma Intl to St John's by plane?
Seattle/Tacoma Intl and St John's are 3127.4 mi apart from one another. By plane, this route typically takes 10h 43m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to St John's Airport?
Prices for flights from Seattle/Tacoma Intl Airport to St John's Airport are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to St John's Airport?
There are 3 operators available for flights from Seattle/Tacoma Intl Airport to St John's Airport as of February 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to St John's 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 Seattle/Tacoma Intl Airport to St John's Airport.
What documentation or ID do you need to fly to St John's Airport?
The travel and health documents you'll need for your trip to St John's Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at St John's Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Seattle to St. John's?
Based on momondo bookings for flights between Seattle and St. John's, the leading airline is WestJet, making up 52% of the total bookings. Other popular airlines include Air Canada with 31% and United Airlines with 17%.

Best airlines flying from Seattle to St. John's

Compare and see reviews for airlines that fly from Seattle to St. John's with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $158	Free Cancellation	Rating 7.4 9,236 reviews	Search United Airlines flights
Air Canada	PriceFrom $297	Free Cancellation	Rating 7.1 10,688 reviews	Search Air Canada flights
WestJet	PriceFrom $435	Free Cancellation	Rating 7.2 3,255 reviews	Search WestJet flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to St. John's?

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

Can I find flights from Seattle to St. John's with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to St. John's from Seattle with this policy.

How can momondo help me find flights from Seattle to St. John's?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. John's from Seattle.

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

Yes momondo offers price alerts on flights to St. John's from Seattle. 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.