Cheap flights from Seattle to St. John's from C$ 404

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to St. John's departing on 30/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
7:05 a.m. - 10:55 p.m.
SEA
-
YYT
11h 20m2 stops
WestJet Logo
3:00 p.m. - 8:28 p.m.
YYT
-
SEA
33h 58m2 stops
C$ 404WestJet
Thu, 30 Apr - Thu, 7 May
WestJet Logo
7:05 a.m. - 10:55 p.m.
SEA
-
YYT
11h 20m2 stops
WestJet Logo
7:10 a.m. - 8:28 p.m.
YYT
-
SEA
17h 48m1 stop
C$ 405WestJet
Mon, 27 Apr - Mon, 11 May
WestJet Logo
7:05 a.m. - 10:55 p.m.
SEA
-
YYT
11h 20m2 stops
WestJet Logo
3:00 p.m. - 8:28 p.m.
YYT
-
SEA
33h 58m2 stops
C$ 428WestJet
Mon, 27 Apr - Tue, 12 May
WestJet Logo
7:05 a.m. - 10:55 p.m.
SEA
-
YYT
11h 20m2 stops
WestJet Logo
7:10 a.m. - 8:28 p.m.
YYT
-
SEA
17h 48m1 stop
C$ 430WestJet
Thu, 7 May - Mon, 11 May
WestJet Logo
7:05 a.m. - 10:55 p.m.
SEA
-
YYT
11h 20m2 stops
WestJet Logo
3:00 p.m. - 8:28 p.m.
YYT
-
SEA
33h 58m2 stops
C$ 431WestJet
Thu, 7 May - Mon, 11 May
WestJet Logo
2:05 p.m. - 6:20 a.m.
SEA
-
YYT
11h 45m1 stop
WestJet Logo
3:00 p.m. - 8:28 p.m.
YYT
-
SEA
33h 58m2 stops
C$ 441WestJet
Thu, 30 Apr - Thu, 7 May
Air Canada Logo
5:50 a.m. - 1:58 a.m.
SEA
-
YYT
15h 38m2 stops
Air Canada Logo
6:10 p.m. - 9:15 a.m.
YYT
-
SEA
19h 35m2 stops
C$ 446Air Canada
Wed, 14 Jan - Wed, 21 Jan
WestJet Logo
7:05 a.m. - 10:55 p.m.
SEA
-
YYT
11h 20m2 stops
WestJet Logo
7:10 a.m. - 8:28 p.m.
YYT
-
SEA
17h 48m1 stop
C$ 448WestJet
Mon, 27 Apr - Fri, 8 May
Air Canada Logo
5:50 a.m. - 1:58 a.m.
SEA
-
YYT
15h 38m2 stops
Air Canada Logo
6:35 a.m. - 10:16 p.m.
YYT
-
SEA
20h 11m1 stop
C$ 453Air Canada
Wed, 4 Feb - Sun, 8 Feb
Air Canada Logo
5:50 a.m. - 1:58 a.m.
SEA
-
YYT
15h 38m2 stops
Air Canada Logo
5:05 a.m. - 10:16 p.m.
YYT
-
SEA
21h 41m2 stops
C$ 457Air Canada
Wed, 4 Feb - Sun, 8 Feb

WestJet flights from Seattle to St. John's

Our best WestJet deals on Seattle to St. John's flight tickets
WestJet
30 Apr
SEA7:05 a.m.Seattle/Tacoma Intl
11h 20m
2 stops
YYT10:55 p.m.St John's
7 May
YYT3:00 p.m.St John's
33h 58m
2 stops
SEA8:28 p.m.Seattle/Tacoma Intl
WestJet
27 Apr
SEA7:05 a.m.Seattle/Tacoma Intl
11h 20m
2 stops
YYT10:55 p.m.St John's
11 May
YYT7:10 a.m.St John's
17h 48m
1 stop
SEA8:28 p.m.Seattle/Tacoma Intl
WestJet
7 May
SEA7:05 a.m.Seattle/Tacoma Intl
11h 20m
2 stops
YYT10:55 p.m.St John's
11 May
YYT7:10 a.m.St John's
17h 48m
1 stop
SEA8:28 p.m.Seattle/Tacoma Intl

Air Canada flights from Seattle to St. John's

Our best Air Canada deals on Seattle to St. John's flight tickets
Air Canada
13 Jan
SEA5:50 a.m.Seattle/Tacoma Intl
15h 38m
2 stops
YYT1:58 a.m.St John's
20 Jan
YYT5:05 a.m.St John's
18h 41m
2 stops
SEA7:16 p.m.Seattle/Tacoma Intl
Air Canada
14 Jan
SEA5:50 a.m.Seattle/Tacoma Intl
15h 38m
2 stops
YYT1:58 a.m.St John's
21 Jan
YYT6:10 p.m.St John's
19h 35m
2 stops
SEA9:15 a.m.Seattle/Tacoma Intl
Air Canada
13 Jan
SEA5:50 a.m.Seattle/Tacoma Intl
15h 38m
2 stops
YYT1:58 a.m.St John's
20 Jan
YYT6:35 a.m.St John's
20h 11m
1 stop
SEA10:16 p.m.Seattle/Tacoma Intl

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to St. John's that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 18 December 2025.
Use the filters below to find and compare flights from Seattle to St. John's that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 30/4

7:05 a.m.-10:55 p.m.

2 stops11h 20m

St John's

Thu 7/5

3:00 p.m.-8:28 p.m.

2 stops33h 58m

C$ 404

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Mon 27/4

7:05 a.m.-10:55 p.m.

2 stops11h 20m

St John's

Mon 11/5

7:10 a.m.-8:28 p.m.

1 stop17h 48m

C$ 405

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Mon 27/4

7:05 a.m.-10:55 p.m.

2 stops11h 20m

St John's

Tue 12/5

3:00 p.m.-8:28 p.m.

2 stops33h 58m

C$ 428

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 7/5

7:05 a.m.-10:55 p.m.

2 stops11h 20m

St John's

Mon 11/5

7:10 a.m.-8:28 p.m.

1 stop17h 48m

C$ 430

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 7/5

7:05 a.m.-10:55 p.m.

2 stops11h 20m

St John's

Mon 11/5

3:00 p.m.-8:28 p.m.

2 stops33h 58m

C$ 431

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 30/4

2:05 p.m.-6:20 a.m.

1 stop11h 45m

St John's

Thu 7/5

3:00 p.m.-8:28 p.m.

2 stops33h 58m

C$ 441

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Wed 14/1

5:50 a.m.-1:58 a.m.

2 stops15h 38m

St John's

Wed 21/1

6:10 p.m.-9:15 a.m.

2 stops19h 35m

C$ 446

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Mon 27/4

7:05 a.m.-10:55 p.m.

2 stops11h 20m

St John's

Fri 8/5

7:10 a.m.-8:28 p.m.

1 stop17h 48m

C$ 448

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Wed 4/2

5:50 a.m.-1:58 a.m.

2 stops15h 38m

St John's

Sun 8/2

6:35 a.m.-10:16 p.m.

1 stop20h 11m

C$ 453

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Wed 4/2

5:50 a.m.-1:58 a.m.

2 stops15h 38m

St John's

Sun 8/2

5:05 a.m.-10:16 p.m.

2 stops21h 41m

C$ 457

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to St. John's from

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

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

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

13h 07m

Direct flights

None
The fastest flight from Seattle to St. John's takes 13h 07m
There are no direct flights from Seattle to St. John's. There are no popular flight routes from Seattle to St. John's.
  • How far is Seattle/Tacoma Intl to St John's by plane?

    The distance between Seattle/Tacoma Intl and St John's is about 5033.1 km. A reasonable flight in good conditions will take 13h 07m.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 required for your trip to St John's Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at St John's Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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. All flights to St. John's from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are not ready to book a flight from Seattle to St. John's now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. John's and let you know when they change.

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1 adult
Sat 17/1
Sat 24/1

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