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Cheap flights from Seattle to St. John's from C$ 288

This is the cheapest one-way 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 16/9. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to St. John's

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
7:35 p.m. - 8:25 a.m.
SEA
-
YYT
32h 20m
2 stops
WestJet Logo
9:20 a.m. - 9:40 a.m.
YYT
-
SEA
28h 50m
2 stops
C$ 664WestJet
Fri, 3 Jul - Thu, 9 Jul
WestJet Logo
7:35 p.m. - 6:45 a.m.
SEA
-
YYT
30h 40m
1 stop
WestJet Logo
3:00 p.m. - 6:45 p.m.
YYT
-
SEA
32h 15m
2 stops
C$ 665WestJet
Thu, 10 Sep - Thu, 24 Sep
WestJet Logo
7:35 p.m. - 8:25 a.m.
SEA
-
YYT
32h 20m
2 stops
WestJet Logo
7:35 a.m. - 9:40 a.m.
YYT
-
SEA
30h 35m
1 stop
C$ 679WestJet
Fri, 3 Jul - Thu, 9 Jul
WestJet Logo
7:35 p.m. - 8:25 a.m.
SEA
-
YYT
32h 20m
2 stops
WestJet Logo
3:00 p.m. - 9:40 a.m.
YYT
-
SEA
23h 10m
2 stops
C$ 682WestJet
Tue, 14 Jul - Wed, 14 Oct
WestJet Logo
10:30 a.m. - 10:55 p.m.
SEA
-
YYT
31h 55m
2 stops
WestJet Logo
9:20 a.m. - 6:45 p.m.
YYT
-
SEA
13h 55m
2 stops
C$ 685WestJet
Thu, 16 Jul - Thu, 23 Jul
WestJet Logo
7:35 p.m. - 6:45 a.m.
SEA
-
YYT
30h 40m
1 stop
WestJet Logo
9:20 a.m. - 6:45 p.m.
YYT
-
SEA
13h 55m
2 stops
C$ 686WestJet
Thu, 16 Jul - Thu, 23 Jul
WestJet Logo
7:35 p.m. - 6:45 a.m.
SEA
-
YYT
30h 40m
1 stop
WestJet Logo
7:35 a.m. - 9:40 a.m.
YYT
-
SEA
30h 35m
1 stop
C$ 692WestJet
Thu, 16 Jul - Thu, 23 Jul
WestJet Logo
7:35 p.m. - 8:25 a.m.
SEA
-
YYT
32h 20m
2 stops
WestJet Logo
9:20 a.m. - 9:40 a.m.
YYT
-
SEA
28h 50m
2 stops
C$ 693WestJet
Fri, 3 Jul - Fri, 10 Jul
WestJet Logo
7:35 p.m. - 10:55 p.m.
SEA
-
YYT
22h 50m
2 stops
WestJet Logo
3:00 p.m. - 9:40 a.m.
YYT
-
SEA
23h 10m
2 stops
C$ 707WestJet
Tue, 14 Jul - Wed, 14 Oct
WestJet Logo
7:35 p.m. - 8:25 a.m.
SEA
-
YYT
32h 20m
2 stops
WestJet Logo
7:35 a.m. - 9:00 p.m.
YYT
-
SEA
17h 55m
1 stop
C$ 709WestJet
Fri, 3 Jul - Fri, 10 Jul

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Air Canada flights from Seattle to St. John's

Our best Air Canada deals on Seattle to St. John's flight tickets
Air Canada
10 Sep
SEA5:40 a.m.Seattle/Tacoma Intl
15h 36m
2 stops
YYT1:46 a.m.St John's
23 Sep
YYT1:15 p.m.St John's
13h 57m
2 stops
SEA10:42 p.m.Seattle/Tacoma Intl
C$ 983
Air Canada
10 Sep
SEA5:40 a.m.Seattle/Tacoma Intl
15h 36m
2 stops
YYT1:46 a.m.St John's
23 Sep
YYT1:35 p.m.St John's
11h 59m
1 stop
SEA9:04 p.m.Seattle/Tacoma Intl
C$ 990
Air Canada
10 Sep
SEA8:00 a.m.Seattle/Tacoma Intl
12h 03m
2 stops
YYT12:33 a.m.St John's
26 Sep
YYT11:05 a.m.St John's
14h 29m
2 stops
SEA9:04 p.m.Seattle/Tacoma Intl
C$ 994

WestJet flights from Seattle to St. John's

Our best WestJet deals on Seattle to St. John's flight tickets
WestJet
3 Jul
SEA7:35 p.m.Seattle/Tacoma Intl
32h 20m
2 stops
YYT8:25 a.m.St John's
9 Jul
YYT9:20 a.m.St John's
28h 50m
2 stops
SEA9:40 a.m.Seattle/Tacoma Intl
C$ 664
WestJet
10 Sep
SEA7:35 p.m.Seattle/Tacoma Intl
30h 40m
1 stop
YYT6:45 a.m.St John's
24 Sep
YYT3:00 p.m.St John's
32h 15m
2 stops
SEA6:45 p.m.Seattle/Tacoma Intl
C$ 665
WestJet
3 Jul
SEA7:35 p.m.Seattle/Tacoma Intl
32h 20m
2 stops
YYT8:25 a.m.St John's
9 Jul
YYT7:35 a.m.St John's
30h 35m
1 stop
SEA9:40 a.m.Seattle/Tacoma Intl
C$ 679

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 19 June 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 3/7

7:35 p.m.-8:25 a.m.

2 stops32h 20m

St John's

Thu 9/7

9:20 a.m.-9:40 a.m.

2 stops28h 50m

C$ 664

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 10/9

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

1 stop30h 40m

St John's

Thu 24/9

3:00 p.m.-6:45 p.m.

2 stops32h 15m

C$ 665

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 3/7

7:35 p.m.-8:25 a.m.

2 stops32h 20m

St John's

Thu 9/7

7:35 a.m.-9:40 a.m.

1 stop30h 35m

C$ 679

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Tue 14/7

7:35 p.m.-8:25 a.m.

2 stops32h 20m

St John's

Wed 14/10

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

2 stops23h 10m

C$ 682

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 16/7

10:30 a.m.-10:55 p.m.

2 stops31h 55m

St John's

Thu 23/7

9:20 a.m.-6:45 p.m.

2 stops13h 55m

C$ 685
Quickest round-trip

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 16/7

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

1 stop30h 40m

St John's

Thu 23/7

9:20 a.m.-6:45 p.m.

2 stops13h 55m

C$ 686

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Thu 16/7

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

1 stop30h 40m

St John's

Thu 23/7

7:35 a.m.-9:40 a.m.

1 stop30h 35m

C$ 692

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 3/7

7:35 p.m.-8:25 a.m.

2 stops32h 20m

St John's

Fri 10/7

9:20 a.m.-9:40 a.m.

2 stops28h 50m

C$ 693

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Tue 14/7

7:35 p.m.-10:55 p.m.

2 stops22h 50m

St John's

Wed 14/10

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

2 stops23h 10m

C$ 707

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Fri 3/7

7:35 p.m.-8:25 a.m.

2 stops32h 20m

St John's

Fri 10/7

7:35 a.m.-9:00 p.m.

1 stop17h 55m

C$ 709

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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

16h 41m

Direct flights

None
The fastest flight from Seattle to St. John's takes 16h 41m
There are no direct flights from Seattle to St. John's. There are no popular flight routes from Seattle to St. John's.
Search flight deals

Frequently asked questions about flying 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 16h 41m.

  • 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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