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

WestJet and Air Canada are the most popular carriers 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 June 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.

$204 Cheap Flights from Seattle to St. John's in 2026

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:35 pm - 8:25 am

SEA

YYT

32h 20m

2 stops

9:20 am - 9:40 am

YYT

SEA

28h 50m

2 stops

$470WestJet

Fri, Jul 3 - Thu, Jul 9

7:35 pm - 6:45 am

SEA

YYT

30h 40m

1 stop

3:00 pm - 6:45 pm

YYT

SEA

32h 15m

2 stops

$471WestJet

Thu, Sep 10 - Thu, Sep 24

7:35 pm - 8:25 am

SEA

YYT

32h 20m

2 stops

7:35 am - 9:40 am

YYT

SEA

30h 35m

1 stop

$481WestJet

Fri, Jul 3 - Thu, Jul 9

7:35 pm - 8:25 am

SEA

YYT

32h 20m

2 stops

3:00 pm - 9:40 am

YYT

SEA

23h 10m

2 stops

$483WestJet

Tue, Jul 14 - Wed, Oct 14

10:30 am - 10:55 pm

SEA

YYT

31h 55m

2 stops

9:20 am - 6:45 pm

YYT

SEA

13h 55m

2 stops

$485WestJet

Thu, Jul 16 - Thu, Jul 23

7:35 pm - 6:45 am

SEA

YYT

30h 40m

1 stop

9:20 am - 6:45 pm

YYT

SEA

13h 55m

2 stops

$486WestJet

Thu, Jul 16 - Thu, Jul 23

7:35 pm - 6:45 am

SEA

YYT

30h 40m

1 stop

7:35 am - 9:40 am

YYT

SEA

30h 35m

1 stop

$490WestJet

Thu, Jul 16 - Thu, Jul 23

7:35 pm - 8:25 am

SEA

YYT

32h 20m

2 stops

9:20 am - 9:40 am

YYT

SEA

28h 50m

2 stops

$491WestJet

Fri, Jul 3 - Fri, Jul 10

7:35 pm - 10:55 pm

SEA

YYT

22h 50m

2 stops

3:00 pm - 9:40 am

YYT

SEA

23h 10m

2 stops

$501WestJet

Tue, Jul 14 - Wed, Oct 14

7:35 pm - 8:25 am

SEA

YYT

32h 20m

2 stops

7:35 am - 9:00 pm

YYT

SEA

17h 55m

1 stop

$502WestJet

Fri, Jul 3 - Fri, Jul 10

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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

SEA5:40 amSeattle/Tacoma Intl

15h 36m

2 stops

YYT1:46 amSt John's

Sep 23

YYT1:15 pmSt John's

13h 57m

2 stops

SEA10:42 pmSeattle/Tacoma Intl

$696

Air Canada

Sep 10

SEA5:40 amSeattle/Tacoma Intl

15h 36m

2 stops

YYT1:46 amSt John's

Sep 23

YYT1:35 pmSt John's

11h 59m

1 stop

SEA9:04 pmSeattle/Tacoma Intl

$701

Air Canada

Sep 10

SEA8:00 amSeattle/Tacoma Intl

12h 03m

2 stops

YYT12:33 amSt John's

Sep 22

YYT1:35 pmSt John's

11h 59m

1 stop

SEA9:04 pmSeattle/Tacoma Intl

$704

WestJet flights from Seattle to St. John's

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

WestJet

Jul 3

SEA7:35 pmSeattle/Tacoma Intl

32h 20m

2 stops

YYT8:25 amSt John's

Jul 9

YYT9:20 amSt John's

28h 50m

2 stops

SEA9:40 amSeattle/Tacoma Intl

$470

WestJet

Sep 10

SEA7:35 pmSeattle/Tacoma Intl

30h 40m

1 stop

YYT6:45 amSt John's

Sep 24

YYT3:00 pmSt John's

32h 15m

2 stops

SEA6:45 pmSeattle/Tacoma Intl

$471

WestJet

Jul 3

SEA7:35 pmSeattle/Tacoma Intl

32h 20m

2 stops

YYT8:25 amSt John's

Jul 9

YYT7:35 amSt John's

30h 35m

1 stop

SEA9:40 amSeattle/Tacoma Intl

$481

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 7/3

7:35 pm-8:25 am

2 stops32h 20m

St John's

Thu 7/9

9:20 am-9:40 am

2 stops28h 50m

$470

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 9/10

7:35 pm-6:45 am

1 stop30h 40m

St John's

Thu 9/24

3:00 pm-6:45 pm

2 stops32h 15m

$471

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 7/3

7:35 pm-8:25 am

2 stops32h 20m

St John's

Thu 7/9

7:35 am-9:40 am

1 stop30h 35m

$481

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Tue 7/14

7:35 pm-8:25 am

2 stops32h 20m

St John's

Wed 10/14

3:00 pm-9:40 am

2 stops23h 10m

$483

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 7/16

10:30 am-10:55 pm

2 stops31h 55m

St John's

Thu 7/23

9:20 am-6:45 pm

2 stops13h 55m

$485

Quickest round-trip

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 7/16

7:35 pm-6:45 am

1 stop30h 40m

St John's

Thu 7/23

9:20 am-6:45 pm

2 stops13h 55m

$486

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 7/16

7:35 pm-6:45 am

1 stop30h 40m

St John's

Thu 7/23

7:35 am-9:40 am

1 stop30h 35m

$490

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 7/3

7:35 pm-8:25 am

2 stops32h 20m

St John's

Fri 7/10

9:20 am-9:40 am

2 stops28h 50m

$491

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

$501

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 7/3

7:35 pm-8:25 am

2 stops32h 20m

St John's

Fri 7/10

7:35 am-9:00 pm

1 stop17h 55m

$502

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 21% 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 June 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 Air Canada, making up 52% of the total bookings. Other popular airlines include WestJet with 48%.

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 11,220 reviews		Search Air Canada flights
WestJet	PriceFrom $467	Free Cancellation	Rating 7.2 3,375 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.