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Cheap flights from Seattle to St. John's from C$ 239

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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYT
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap 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 15 September 2025.

Round-trip from

C$ 461

One-way from

C$ 239

Popular in

April

Cheapest in

May

Average price

C$ 1,023
WestJet
  • WestJet
  • 17/10-19/10
  • 4 total stops
  • 60h 15m total
  • Seattle to St. John's
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Air Canada
  • Air Canada
  • 7/11
  • 1 total stop
  • 10h 28m total
  • Seattle to St. John's
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Highest demand for flights based on searches. 1% potential increase in price (C$ 11 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 41 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Seattle to St. John's

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 15 September 2025.

Fri 17/108:40 a.m.SEA - YYT
2 stops33h 46mWestJet
Sun 19/103:00 p.m.YYT - SEA
2 stops26h 29mWestJet
Deal found 13/9C$ 461
Mon 13/108:06 a.m.SEA - YYT
1 stop17h 44mMultiple Airlines
Mon 20/107:10 a.m.YYT - SEA
1 stop10h 19mMultiple Airlines
Deal found 14/9C$ 547
Fri 17/108:40 a.m.SEA - YYT
3 stops23h 07mMultiple Airlines
Sun 19/106:25 p.m.YYT - SEA
2 stops23h 04mMultiple Airlines
Deal found 13/9C$ 598
Mon 13/108:40 a.m.SEA - YYT
2 stops33h 46mWestJet
Mon 20/103:00 p.m.YYT - SEA
2 stops26h 29mWestJet
Deal found 14/9C$ 955

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 15 September 2025.
Use the filters below to find and compare flights from Seattle to St. John's that are best for you.

Fly from

Seattle

Fly to

St. John's

Route

Depart

Return

Price

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 17/10

8:40 a.m.-10:56 p.m.

2 stops33h 46m

St John's

Sun 19/10

3:00 p.m.-12:59 p.m.

2 stops26h 29m

C$ 461

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Mon 13/10

8:06 a.m.-6:20 a.m.

1 stop17h 44m

St John's

Mon 20/10

7:10 a.m.-12:59 p.m.

1 stop10h 19m

C$ 547

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 17/10

8:40 a.m.-12:17 p.m.

3 stops23h 07m

St John's

Sun 19/10

6:25 p.m.-12:59 p.m.

2 stops23h 04m

C$ 598

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Mon 13/10

8:40 a.m.-10:56 p.m.

2 stops33h 46m

St John's

Mon 20/10

3:00 p.m.-12:59 p.m.

2 stops26h 29m

C$ 955

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Sat 20/12

8:15 a.m.-11:13 p.m.

1 stop10h 28m

St John's

Mon 29/12

6:50 a.m.-10:16 p.m.

1 stop19h 56m

C$ 1,215

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 7/11

8:15 a.m.-11:13 p.m.

1 stop10h 28m

C$ 239

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 7/11

11:55 a.m.-1:01 a.m.

3 stops32h 36m

C$ 280

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/9

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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to St. John's

What is the cheapest month to book a flight from Seattle to St. John's?

Currently, May is the cheapest month in which you can book a flight from Seattle to St. John's (average of C$ 221). Flying from Seattle to St. John's in December is currently the most expensive (average of C$ 382). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 33h 46m. WestJet provides one of the quickest options available for as low as C$ 461. 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.

  • What is the cheapest month to book a flight from Seattle to St. John's?

    Currently, May is the cheapest month in which you can book a flight from Seattle to St. John's (average of C$ 221). Flying from Seattle to St. John's in December is currently the most expensive (average of C$ 382). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Wabush car rentals

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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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