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Cheap flights from Seattle to St. John's from C$ 304

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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYT
29 Aug — 5 Sep1
1 adult

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 24 August 2025.

Round-trip from

C$ 701

One-way from

C$ 304

Popular in

April

Cheapest in

May

Average price

C$ 698
26/9-29/9
  • 26/9-29/9
  • 3 total stops
  • 45h 13m total
  • Seattle to St. John's
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Air Canada
  • Air Canada
  • 8/10
  • 2 total stops
  • 13h 19m total
  • Seattle to St. John's
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 3% potential price decrease (C$ 36 potential savings vs. average RT price).
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Average for round-trip flights in August 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 24 August 2025.

Fri 26/91:15 p.m.SEA - YYT
2 stops12h 35mMultiple Airlines
Mon 29/93:00 p.m.YYT - SEA
1 stop32h 38mMultiple Airlines
Deal found 24/8C$ 701
Fri 26/97:15 a.m.SEA - YYT
1 stop12h 54mAir Canada
Mon 29/95:00 a.m.YYT - SEA
1 stop10h 29mAir Canada
Deal found 24/8C$ 734
Fri 5/96:31 p.m.SEA - YYT
3 stops25h 37mMultiple Airlines
Wed 17/96:00 a.m.YYT - SEA
3 stops18h 59mMultiple Airlines
Deal found 22/8C$ 840
Fri 5/97:15 a.m.SEA - YYT
1 stop12h 54mAir Canada
Wed 17/95:00 a.m.YYT - SEA
1 stop10h 29mAir Canada
Deal found 22/8C$ 999
Mon 8/91:12 p.m.SEA - YYT
2 stops12h 38mMultiple Airlines
Fri 12/96:00 a.m.YYT - SEA
1 stop17h 38mMultiple Airlines
Deal found 24/8C$ 1,074
Sat 20/128:15 a.m.SEA - YYT
1 stop10h 28mAir Canada
Mon 29/126:00 p.m.YYT - SEA
2 stops32h 26mAir Canada
Deal found 22/8C$ 1,164

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 24 August 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 26/9

1:15 p.m.-6:20 a.m.

2 stops12h 35m

St John's

Mon 29/9

3:00 p.m.-7:08 p.m.

1 stop32h 38m

C$ 701

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 26/9

7:15 a.m.-12:39 a.m.

1 stop12h 54m

St John's

Mon 29/9

5:00 a.m.-10:59 a.m.

1 stop10h 29m

C$ 734

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 5/9

6:31 p.m.-12:38 a.m.

3 stops25h 37m

St John's

Wed 17/9

6:00 a.m.-8:29 p.m.

3 stops18h 59m

C$ 840

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 5/9

7:15 a.m.-12:39 a.m.

1 stop12h 54m

St John's

Wed 17/9

5:00 a.m.-10:59 a.m.

1 stop10h 29m

C$ 999

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Mon 8/9

1:12 p.m.-6:20 a.m.

2 stops12h 38m

St John's

Fri 12/9

6:00 a.m.-7:08 p.m.

1 stop17h 38m

C$ 1,074

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

6:00 p.m.-9:56 p.m.

2 stops32h 26m

C$ 1,164

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Wed 8/10

7:15 p.m.-1:04 p.m.

2 stops13h 19m

C$ 304

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Wed 8/10

8:40 a.m.-4:58 p.m.

3 stops27h 48m

C$ 319

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Mon 1/9

5:45 p.m.-10:56 p.m.

2 stops48h 41m

C$ 623

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Mon 1/9

5:45 p.m.-12:38 a.m.

3 stops26h 23m

C$ 825

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/8

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 12h 54m. Air Canada provides one of the quickest options available for as low as C$ 734. 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.
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Wabush car rentals

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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.

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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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