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

Air Canada is the most popular carrier 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 49% 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 December 2025.

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.

$293 Cheap Flights from Seattle to St. John's in 2025/26

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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.

7:05 am - 10:55 pm

SEA

YYT

11h 20m2 stops

3:00 pm - 8:28 pm

YYT

SEA

33h 58m2 stops

$293WestJet

Thu, Apr 30 - Thu, May 7

7:05 am - 10:55 pm

SEA

YYT

11h 20m2 stops

7:10 am - 8:28 pm

YYT

SEA

17h 48m1 stop

$294WestJet

Mon, Apr 27 - Mon, May 11

7:05 am - 10:55 pm

SEA

YYT

11h 20m2 stops

3:00 pm - 8:28 pm

YYT

SEA

33h 58m2 stops

$311WestJet

Mon, Apr 27 - Tue, May 12

7:05 am - 10:55 pm

SEA

YYT

11h 20m2 stops

7:10 am - 8:28 pm

YYT

SEA

17h 48m1 stop

$312WestJet

Thu, May 7 - Mon, May 11

7:05 am - 10:55 pm

SEA

YYT

11h 20m2 stops

3:00 pm - 8:28 pm

YYT

SEA

33h 58m2 stops

$313WestJet

Thu, May 7 - Mon, May 11

2:05 pm - 6:20 am

SEA

YYT

11h 45m1 stop

3:00 pm - 8:28 pm

YYT

SEA

33h 58m2 stops

$320WestJet

Thu, Apr 30 - Thu, May 7

5:50 am - 1:58 am

SEA

YYT

15h 38m2 stops

6:10 pm - 9:15 am

YYT

SEA

19h 35m2 stops

$324Air Canada

Wed, Jan 14 - Wed, Jan 21

7:05 am - 10:55 pm

SEA

YYT

11h 20m2 stops

7:10 am - 8:28 pm

YYT

SEA

17h 48m1 stop

$325WestJet

Mon, Apr 27 - Fri, May 8

5:50 am - 1:58 am

SEA

YYT

15h 38m2 stops

6:35 am - 10:16 pm

YYT

SEA

20h 11m1 stop

$329Air Canada

Wed, Feb 4 - Sun, Feb 8

5:50 am - 1:58 am

SEA

YYT

15h 38m2 stops

5:05 am - 10:16 pm

YYT

SEA

21h 41m2 stops

$332Air Canada

Wed, Feb 4 - Sun, Feb 8

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 4

SEA1:17 pmSeattle/Tacoma Intl

23h 33m

3 stops

YYT5:20 pmSt John's

Feb 8

YYT5:00 amSt John's

15h 31m

2 stops

SEA4:01 pmSeattle/Tacoma Intl

$406

Find similar

United Airlines

Dec 20

SEA5:02 amSeattle/Tacoma Intl

16h 26m

2 stops

YYT1:58 amSt John's

Dec 22

YYT5:05 amSt John's

36h 12m

3 stops

SEA12:47 pmSeattle/Tacoma Intl

$2,023

Find similar

United Airlines

Dec 20

SEA8:10 amSeattle/Tacoma Intl

10h 58m

1 stop

YYT11:38 pmSt John's

Dec 29

YYT1:30 pmSt John's

13h 16m

1 stop

SEA10:16 pmSeattle/Tacoma Intl

$2,894

Find similar

WestJet flights from Seattle to St. John's

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

WestJet

Apr 30

SEA7:05 amSeattle/Tacoma Intl

11h 20m

2 stops

YYT10:55 pmSt John's

May 7

YYT3:00 pmSt John's

33h 58m

2 stops

SEA8:28 pmSeattle/Tacoma Intl

$293

Find similar

WestJet

Apr 27

SEA7:05 amSeattle/Tacoma Intl

11h 20m

2 stops

YYT10:55 pmSt John's

May 11

YYT7:10 amSt John's

17h 48m

1 stop

SEA8:28 pmSeattle/Tacoma Intl

$294

Find similar

WestJet

Apr 27

SEA7:05 amSeattle/Tacoma Intl

11h 20m

2 stops

YYT10:55 pmSt John's

May 12

YYT3:00 pmSt John's

33h 58m

2 stops

SEA8:28 pmSeattle/Tacoma Intl

$311

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 4/30

7:05 am-10:55 pm

2 stops11h 20m

St John's

Thu 5/7

3:00 pm-8:28 pm

2 stops33h 58m

$293

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Mon 4/27

7:05 am-10:55 pm

2 stops11h 20m

St John's

Mon 5/11

7:10 am-8:28 pm

1 stop17h 48m

$294

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Mon 4/27

7:05 am-10:55 pm

2 stops11h 20m

St John's

Tue 5/12

3:00 pm-8:28 pm

2 stops33h 58m

$311

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 5/7

7:05 am-10:55 pm

2 stops11h 20m

St John's

Mon 5/11

7:10 am-8:28 pm

1 stop17h 48m

$312

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 5/7

7:05 am-10:55 pm

2 stops11h 20m

St John's

Mon 5/11

3:00 pm-8:28 pm

2 stops33h 58m

$313

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 4/30

2:05 pm-6:20 am

1 stop11h 45m

St John's

Thu 5/7

3:00 pm-8:28 pm

2 stops33h 58m

$320

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Wed 1/14

5:50 am-1:58 am

2 stops15h 38m

St John's

Wed 1/21

6:10 pm-9:15 am

2 stops19h 35m

$324

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Mon 4/27

7:05 am-10:55 pm

2 stops11h 20m

St John's

Fri 5/8

7:10 am-8:28 pm

1 stop17h 48m

$325

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Wed 2/4

5:50 am-1:58 am

2 stops15h 38m

St John's

Sun 2/8

6:35 am-10:16 pm

1 stop20h 11m

$329

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Wed 2/4

5:50 am-1:58 am

2 stops15h 38m

St John's

Sun 2/8

5:05 am-10:16 pm

2 stops21h 41m

$332

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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

What is the cheapest day to depart on your flight to St. John's?

Our data shows that Friday is the least expensive day to fly to St. John's. Tickets to fly out on this day can be as low as $580. Flights from Seattle to St. John's on a Sunday will generally be more expensive and average around $791. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to St. John's?

The cheapest time of day to fly to St. John's is in the afternoon when flights can be purchased for as low as $435. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $726 on average. Flights to St. John's from Seattle in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You could potentially save up to 58% 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	11h 20m
Direct flights	None

The fastest flight from Seattle to St. John's takes 11h 20m

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 11h 20m.
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 December 2025.
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 49% of the total bookings. Other popular airlines include Air Canada with 34% and United Airlines with 18%.

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 9,092 reviews	Search United Airlines flights
Air Canada	PriceFrom $297	Free Cancellation	Rating 7.1 10,534 reviews	Search Air Canada flights
WestJet	PriceFrom $454	Free Cancellation	Rating 7.2 3,204 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.