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Cheap flights from Seattle to St. John's from C$ 266

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYT
9 Apr — 16 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to St. John's

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to St. John's
Explore the most affordable flight options available from Seattle to St. John's. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 March 2026.

Fri 1/57:35 p.m.
SEA
-
YYT
2 stops22h 50m
WestJet
Sun 3/53:00 p.m.
YYT
-
SEA
2 stops23h 10m
WestJet
Deal found 6/3C$ 577
Fri 3/77:35 p.m.
SEA
-
YYT
1 stop30h 40m
WestJet
Fri 10/79:20 a.m.
YYT
-
SEA
2 stops13h 55m
WestJet
Deal found 5/3C$ 683
Wed 29/47:35 p.m.
SEA
-
YYT
1 stop30h 40m
WestJet
Sun 3/53:00 p.m.
YYT
-
SEA
2 stops32h 15m
WestJet
Deal found 8/3C$ 704
Sun 19/48:05 a.m.
SEA
-
YYT
1 stop28h 10m
Multiple Airlines
Sun 26/45:40 p.m.
YYT
-
SEA
2 stops29h 35m
Multiple Airlines
Deal found 5/3C$ 737
Sun 16/810:30 a.m.
SEA
-
YYT
1 stop27h 35m
WestJet
Sun 23/89:20 a.m.
YYT
-
SEA
2 stops13h 55m
WestJet
Deal found 8/3C$ 767

Find flight deals from Seattle to St. John's

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to St. John's (YYT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 March 2026.

Round-trip from

C$ 577

One-way from

C$ 266
WestJet
  • WestJet
  • 1/5-3/5
  • 4 total stops
  • 46h 00m total
  • Seattle to St. John's
Search Deals
WestJet
  • WestJet
  • 21/4
  • 2 total stops
  • 51h 18m total
  • Seattle to St. John's
Search Deals

Cheapflights 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, Cheapflights users made 629,999 searches. Data last updated 10 March 2026.
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

Cheapest round-trip

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 1/5

10:30 a.m.-6:45 a.m.

1 stop15h 45m

St John's

Sun 3/5

3:00 p.m.-9:40 a.m.

2 stops23h 10m

C$ 688

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 3/7

7:35 p.m.-6:45 a.m.

1 stop30h 40m

St John's

Fri 10/7

7:35 a.m.-6:45 p.m.

1 stop15h 40m

C$ 735

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 4/9

7:00 a.m.-10:55 p.m.

2 stops11h 25m

St John's

Fri 18/9

3:00 p.m.-9:40 a.m.

2 stops23h 10m

C$ 775
Quickest round-trip

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 1/5

8:00 a.m.-1:48 a.m.

1 stop13h 18m

St John's

Sun 3/5

1:35 p.m.-9:08 p.m.

1 stop12h 03m

C$ 813
Cheapest one-way

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Sat 18/4

6:00 a.m.-10:58 p.m.

2 stops12h 28m

C$ 277

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 23/4

3:10 p.m.-10:58 p.m.

2 stops51h 18m

C$ 320
Quickest one-way

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Sat 18/4

8:05 a.m.-10:58 p.m.

1 stop10h 23m

C$ 322

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Tue 21/4

8:05 a.m.-4:45 p.m.

1 stop28h 10m

C$ 337

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Wed 19/8

7:35 p.m.-6:45 a.m.

1 stop30h 40m

C$ 337

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 16/7

8:00 a.m.-11:21 p.m.

1 stop10h 51m

C$ 351

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Showing 1-10 of 15 resultsSorted by cheapest first
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Best time to book a flight from Seattle to St. John's

Have a flexible travel schedule? Discover the best time to fly to St. John's from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Seattle to St. John's. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to St. John's?

    A quick flight from Seattle to St. John's can take about 15h 45m. WestJet provides one of the quickest options available for as low as C$ 688. Airlines will cover a distance of 5034 km.

  • Can I find deals for flights from Seattle to St. John's that include hotel bookings?

    Yes. In addition to deals on Seattle to St. John's flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to St. John's?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to St. John's.

  • Can I find deals for business class flights from Seattle to St. John's?

    Yes. Cheapflights offers flight deals from Seattle to St. John's by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Complete your trip to St. John's by adding a car rental and/or hotel reservation to your travel itinerary.
St. John's car rentals
St John's Airport car rentals
Deer Lake car rentals
Gander car rentals
Happy Valley-Goose Bay car rentals
Stephenville car rentals
Wabush car rentals

Fly with Cheapflights

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How does Cheapflights help users find flights from Seattle to St. John's?

Deals for Seattle to St. John's flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Seattle to St. John's?

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to St. John's for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seattle to St. John's with no change fees?

Certainly. Search results for flights to St. John's from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seattle to St. John's become cheaper?

Not ready to book yet? You can track prices for flights from Seattle to St. John's on Cheapflights with our Price Alert feature and get notified when better prices are available.

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