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

WestJet is the most popular carrier operating from Seattle/Tacoma Intl to St John's

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 2 operators available for flights from Seattle/Tacoma Intl Airport to St John's Airport as of May 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.

$148 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 - 10:55 pm

SEA

YYT

22h 50m

2 stops

3:00 pm - 9:40 am

YYT

SEA

23h 10m

2 stops

$353WestJet

Tue, Jul 14 - Wed, Oct 14

7:00 am - 6:45 am

SEA

YYT

19h 15m

1 stop

3:00 pm - 9:40 am

YYT

SEA

23h 10m

2 stops

$355WestJet

Tue, Jul 14 - Wed, Oct 14

7:35 pm - 10:55 pm

SEA

YYT

22h 50m

2 stops

3:00 pm - 6:45 pm

YYT

SEA

32h 15m

2 stops

$359WestJet

Tue, Jul 14 - Wed, Oct 14

7:00 am - 6:45 am

SEA

YYT

19h 15m

1 stop

3:00 pm - 6:45 pm

YYT

SEA

32h 15m

2 stops

$360WestJet

Tue, Jul 14 - Wed, Oct 14

7:35 pm - 10:55 pm

SEA

YYT

22h 50m

2 stops

3:00 pm - 6:45 pm

YYT

SEA

32h 15m

2 stops

$363WestJet

Tue, Jul 14 - Wed, Oct 14

10:30 am - 6:45 am

SEA

YYT

15h 45m

1 stop

9:20 am - 6:45 pm

YYT

SEA

13h 55m

2 stops

$377WestJet

Thu, Sep 10 - Mon, Sep 14

7:35 pm - 10:55 pm

SEA

YYT

22h 50m

2 stops

3:00 pm - 9:40 am

YYT

SEA

23h 10m

2 stops

$380WestJet

Tue, Jul 14 - Wed, Oct 14

7:35 pm - 10:55 pm

SEA

YYT

22h 50m

2 stops

3:00 pm - 6:45 pm

YYT

SEA

32h 15m

2 stops

$394WestJet

Tue, Jul 14 - Wed, Oct 14

7:00 am - 10:55 pm

SEA

YYT

35h 25m

2 stops

3:00 pm - 6:45 pm

YYT

SEA

32h 15m

2 stops

$396WestJet

Mon, Sep 7 - Thu, Sep 17

7:35 pm - 10:55 pm

SEA

YYT

22h 50m

2 stops

7:35 am - 9:40 am

YYT

SEA

30h 35m

1 stop

$398WestJet

Thu, Oct 1 - Thu, Oct 8

WestJet flights from Seattle to St. John's

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

WestJet

Jul 14

SEA7:35 pmSeattle/Tacoma Intl

22h 50m

2 stops

YYT10:55 pmSt John's

Oct 14

YYT3:00 pmSt John's

23h 10m

2 stops

SEA9:40 amSeattle/Tacoma Intl

$353

WestJet

Jul 14

SEA7:00 amSeattle/Tacoma Intl

19h 15m

1 stop

YYT6:45 amSt John's

Oct 14

YYT3:00 pmSt John's

23h 10m

2 stops

SEA9:40 amSeattle/Tacoma Intl

$355

WestJet

Jul 14

SEA7:35 pmSeattle/Tacoma Intl

22h 50m

2 stops

YYT10:55 pmSt John's

Oct 14

YYT3:00 pmSt John's

32h 15m

2 stops

SEA6:45 pmSeattle/Tacoma Intl

$359

Air Canada flights from Seattle to St. John's

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

Air Canada

Sep 10

SEA8:00 amSeattle/Tacoma Intl

10h 51m

1 stop

YYT11:21 pmSt John's

Sep 14

YYT1:35 pmSt John's

11h 59m

1 stop

SEA9:04 pmSeattle/Tacoma Intl

$656

Air Canada

Jul 3

SEA8:00 amSeattle/Tacoma Intl

10h 58m

2 stops

YYT11:28 pmSt John's

Jul 10

YYT11:05 amSt John's

14h 32m

2 stops

SEA9:07 pmSeattle/Tacoma Intl

$684

Air Canada

Jul 14

SEA8:00 amSeattle/Tacoma Intl

13h 16m

1 stop

YYT1:46 amSt John's

Oct 14

YYT1:35 pmSt John's

11h 59m

1 stop

SEA9:04 pmSeattle/Tacoma Intl

$695

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Tue 7/14

7:35 pm-10:55 pm

2 stops22h 50m

St John's

Wed 10/14

3:00 pm-9:40 am

2 stops23h 10m

$353

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Tue 7/14

7:00 am-6:45 am

1 stop19h 15m

St John's

Wed 10/14

3:00 pm-9:40 am

2 stops23h 10m

$355

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Tue 7/14

7:35 pm-10:55 pm

2 stops22h 50m

St John's

Wed 10/14

3:00 pm-6:45 pm

2 stops32h 15m

$359

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Tue 7/14

7:00 am-6:45 am

1 stop19h 15m

St John's

Wed 10/14

3:00 pm-6:45 pm

2 stops32h 15m

$360

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Tue 7/14

7:35 pm-10:55 pm

2 stops22h 50m

St John's

Wed 10/14

3:00 pm-6:45 pm

2 stops32h 15m

$363

Quickest round-trip

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 9/10

10:30 am-6:45 am

1 stop15h 45m

St John's

Mon 9/14

9:20 am-6:45 pm

2 stops13h 55m

$377

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Tue 7/14

7:35 pm-10:55 pm

2 stops22h 50m

St John's

Wed 10/14

3:00 pm-9:40 am

2 stops23h 10m

$380

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Tue 7/14

7:35 pm-10:55 pm

2 stops22h 50m

St John's

Wed 10/14

3:00 pm-6:45 pm

2 stops32h 15m

$394

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Mon 9/7

7:00 am-10:55 pm

2 stops35h 25m

St John's

Thu 9/17

3:00 pm-6:45 pm

2 stops32h 15m

$396

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 10/1

7:35 pm-10:55 pm

2 stops22h 50m

St John's

Thu 10/8

7:35 am-9:40 am

1 stop30h 35m

$398

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 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 43% 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 51m
Direct flights	None

The fastest flight from Seattle to St. John's takes 10h 51m

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

Frequently asked questions about flying from Seattle to St. John's

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 51m.
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 2 operators available for flights from Seattle/Tacoma Intl Airport to St John's Airport as of May 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 57% of the total bookings. Other popular airlines include Air Canada with 43%.

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
Air Canada	PriceFrom $297	Free Cancellation	Rating 7.1 10,998 reviews		Search Air Canada flights
WestJet	PriceFrom $467	Free Cancellation	Rating 7.2 3,331 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.