In terms of precipitation, rainfall in St. John's ranges from 92.0 - 165.0 mm per month. December is typically the wettest month, when rainfall can reach 165.0 mm. July is typically the driest time to visit St. John's when rainfall is around 92.0 mm.

If weather is an important factor for your trip to St. John's, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around -5.0 C).

What is the cheapest time of day to fly from SEA to YYT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to St. John's as you normally would.

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.

C$ 571+ Cheap Flights from Seattle to St. John's

Cheap flight deals from Seattle to St. John's

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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 19 October 2026.

Fri 20/118:31 a.m. -

1 stop24h 34m

Wed 25/112:30 p.m. -

2 stops27h 40m

Deal found 14/10C$ 958

Tue 17/118:19 a.m. -

1 stop24h 46m

Tue 24/112:30 p.m. -

2 stops27h 40m

Deal found 18/10C$ 993

Thu 12/112:30 p.m. -

3 stops29h 59m

Thu 19/112:30 p.m. -

2 stops27h 40m

Deal found 14/10C$ 1,056

Find flight deals from Seattle to St. John's

Round-trip from	C$ 958
One-way from	C$ 571

20/11-25/11
3 total stops
52h 14m total
Seattle to St. John's

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1/11-31/12
3 total stops
24h 58m total
Seattle to St. John's

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleSt. John's

SEA Seattle/Tacoma Intl - YYT St John's

SEAYYT

Seattle/Tacoma Intl

Sun 1/11

5:58 p.m.-11:26 p.m.

3 stops24h 58m

St John's

Wed 31/12

12:00 a.m.-7:30 p.m.

Nonstop0h 00m

C$ 571

SeattleSt. John's

SEA Seattle/Tacoma Intl - YYT St John's

SEAYYT

Seattle/Tacoma Intl

Tue 17/11

8:19 a.m.-1:35 p.m.

1 stop24h 46m

St John's

Tue 24/11

2:30 p.m.-1:40 p.m.

2 stops27h 40m

C$ 993

SeattleSt. John's

SEA Seattle/Tacoma Intl - YYT St John's

SEAYYT

Seattle/Tacoma Intl

Tue 17/11

8:19 a.m.-1:35 p.m.

1 stop24h 46m

St John's

Thu 19/11

2:30 p.m.-7:07 a.m.

2 stops21h 07m

C$ 1,109

SeattleSt. John's

SEA Seattle/Tacoma Intl - YYT St John's

SEAYYT

Seattle/Tacoma Intl

Sun 29/11

8:31 a.m.-1:35 p.m.

1 stop24h 34m

St John's

Sun 6/12

2:30 p.m.-6:43 p.m.

2 stops32h 43m

C$ 1,124

SeattleSt. John's

SEA Seattle/Tacoma Intl - YYT St John's

SEAYYT

Seattle/Tacoma Intl

Tue 1/12

2:30 p.m.-12:58 a.m.

3 stops29h 58m

St John's

Thu 3/12

2:30 p.m.-1:40 p.m.

2 stops27h 40m

C$ 1,186

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/10

Sorted by cheapest first

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.

SEA-YYT

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

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.

Browse thousands of different options on Cheapflights for your next trip

Complete your trip

Direct flights to Newfoundland and Labrador

Flights by cabin class

Other flight options

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Popular flights

St. John's flight routes

Complete your trip

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Cheap flights from Seattle to St. John's from C$ 571

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Seattle to St. John's

Cheapest flights from Seattle to St. John'sExplore 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 19 October 2026.

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 19 October 2026.

Best flights from Seattle to St. John'sDiscover carefully curated flight deals from Seattle to St. John's that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 19 October 2026.

Discover carefully curated flight deals from Seattle to St. John's that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 19 October 2026.

Last-minute flights from Seattle to St. John'sDiscover last-minute flight deals from Seattle to St. John's. Data last updated 19 October 2026 and is based on user searches.

Discover last-minute flight deals from Seattle to St. John's. Data last updated 19 October 2026 and is based on user searches.

One-way flights from Seattle to St. John'sSearch for one-way flight options from Seattle to St. John's. Find affordable one-way fares based on user searches. Data last updated 19 October 2026.

Search for one-way flight options from Seattle to St. John's. Find affordable one-way fares based on user searches. Data last updated 19 October 2026.

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Best time to book a flight from Seattle to St. John's

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Related info for your journey

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to St. John's by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Newfoundland and Labrador

Book a non-stop flight to one of these other cities located in Newfoundland and Labrador.

Search flights from Seattle to St. John's by cabin class

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Seattle and St. John's flights

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Other flights from Seattle

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

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

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

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

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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 19 October 2026.

Best flights from Seattle to St. John's
Discover carefully curated flight deals from Seattle to St. John's that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 19 October 2026.

Last-minute flights from Seattle to St. John's
Discover last-minute flight deals from Seattle to St. John's. Data last updated 19 October 2026 and is based on user searches.

One-way flights from Seattle to St. John's
Search for one-way flight options from Seattle to St. John's. Find affordable one-way fares based on user searches. Data last updated 19 October 2026.