Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Seattle to St. John's from C$ 513

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 10/10. 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. - 6:45 a.m.SEA  Seattle/Tacoma Intl-YYT St John's
30h 40m1 stop Calgary
WestJet Logo
7:35 a.m. - 9:40 a.m.YYT  St John's-SEA Seattle/Tacoma Intl
30h 35m1 stop Calgary
C$ 638WestJet
Sat, 5 Sep - Tue, 15 Sep
WestJet Logo
10:30 a.m. - 6:45 a.m.SEA  Seattle/Tacoma Intl-YYT St John's
15h 45m1 stop Calgary
WestJet Logo
7:35 a.m. - 6:45 p.m.YYT  St John's-SEA Seattle/Tacoma Intl
15h 40m1 stop Calgary
C$ 675WestJet
Sat, 5 Sep - Tue, 15 Sep
WestJet Logo
10:30 a.m. - 8:25 a.m.SEA  Seattle/Tacoma Intl-YYT St John's
17h 25m2 stops Calgary Edmonton
WestJet Logo
7:35 a.m. - 9:40 a.m.YYT  St John's-SEA Seattle/Tacoma Intl
30h 35m1 stop Calgary
C$ 677WestJet
Sat, 5 Sep - Tue, 15 Sep
WestJet Logo
7:35 p.m. - 6:45 a.m.SEA  Seattle/Tacoma Intl-YYT St John's
30h 40m1 stop Calgary
WestJet Logo
3:00 p.m. - 9:40 a.m.YYT  St John's-SEA Seattle/Tacoma Intl
23h 10m2 stops Toronto Pearson Intl Calgary
C$ 724WestJet
Thu, 24 Sep - Mon, 28 Sep
WestJet Logo
7:35 p.m. - 10:55 p.m.SEA  Seattle/Tacoma Intl-YYT St John's
22h 50m2 stops Calgary Toronto Pearson Intl
WestJet Logo
3:00 p.m. - 9:40 a.m.YYT  St John's-SEA Seattle/Tacoma Intl
23h 10m2 stops Toronto Pearson Intl Calgary
C$ 727WestJet
Thu, 24 Sep - Mon, 28 Sep
WestJet Logo
7:35 p.m. - 10:55 p.m.SEA  Seattle/Tacoma Intl-YYT St John's
22h 50m2 stops Calgary Toronto Pearson Intl
WestJet Logo
3:00 p.m. - 9:40 a.m.YYT  St John's-SEA Seattle/Tacoma Intl
23h 10m2 stops Toronto Pearson Intl Calgary
C$ 729WestJet
Mon, 21 Sep - Sun, 27 Sep
WestJet Logo
10:30 a.m. - 10:55 p.m.SEA  Seattle/Tacoma Intl-YYT St John's
31h 55m2 stops Calgary Toronto Pearson Intl
WestJet Logo
3:00 p.m. - 9:40 a.m.YYT  St John's-SEA Seattle/Tacoma Intl
23h 10m2 stops Toronto Pearson Intl Calgary
C$ 736WestJet
Sat, 19 Sep - Sat, 26 Sep
WestJet Logo
10:30 a.m. - 6:45 a.m.SEA  Seattle/Tacoma Intl-YYT St John's
15h 45m1 stop Calgary
WestJet Logo
3:00 p.m. - 9:40 a.m.YYT  St John's-SEA Seattle/Tacoma Intl
23h 10m2 stops Toronto Pearson Intl Calgary
C$ 743WestJet
Sat, 19 Sep - Sat, 26 Sep
WestJet Logo
7:35 p.m. - 10:55 p.m.SEA  Seattle/Tacoma Intl-YYT St John's
46h 50m2 stops Calgary Toronto Pearson Intl
WestJet Logo
3:00 p.m. - 6:45 p.m.YYT  St John's-SEA Seattle/Tacoma Intl
32h 15m2 stops Toronto Pearson Intl Calgary
C$ 757WestJet
Mon, 21 Sep - Sun, 27 Sep
Multiple Airlines Logo
7:35 p.m. - 6:45 a.m.SEA  Seattle/Tacoma Intl-YYT St John's
30h 40m1 stop Calgary
Multiple Airlines Logo
6:00 a.m. - 9:40 a.m.YYT  St John's-SEA Seattle/Tacoma Intl
32h 10m3 stops Montreal St Hubert Toronto Pearson Intl Calgary
C$ 783Multiple Airlines
Sat, 5 Sep - Tue, 15 Sep

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

WestJet flights from Seattle to St. John's

Our best WestJet deals on Seattle to St. John's flight tickets
WestJet
5 Sep
SEA7:35 p.m.Seattle/Tacoma Intl
30h 40m
1 stop
YYT6:45 a.m.St John's
15 Sep
YYT7:35 a.m.St John's
30h 35m
1 stop
SEA9:40 a.m.Seattle/Tacoma Intl
C$ 638
WestJet
5 Sep
SEA10:30 a.m.Seattle/Tacoma Intl
15h 45m
1 stop
YYT6:45 a.m.St John's
15 Sep
YYT7:35 a.m.St John's
15h 40m
1 stop
SEA6:45 p.m.Seattle/Tacoma Intl
C$ 675
WestJet
5 Sep
SEA10:30 a.m.Seattle/Tacoma Intl
17h 25m
2 stops
YYT8:25 a.m.St John's
15 Sep
YYT7:35 a.m.St John's
30h 35m
1 stop
SEA9:40 a.m.Seattle/Tacoma Intl
C$ 677

Air Canada flights from Seattle to St. John's

Our best Air Canada deals on Seattle to St. John's flight tickets
Air Canada
21 Sep
SEA8:00 a.m.Seattle/Tacoma Intl
10h 51m
1 stop
YYT11:21 p.m.St John's
27 Sep
YYT5:00 a.m.St John's
20h 34m
1 stop
SEA9:04 p.m.Seattle/Tacoma Intl
C$ 1,012
Air Canada
15 Sep
SEA8:00 a.m.Seattle/Tacoma Intl
10h 51m
1 stop
YYT11:21 p.m.St John's
17 Sep
YYT1:35 p.m.St John's
11h 59m
1 stop
SEA9:04 p.m.Seattle/Tacoma Intl
C$ 1,031
Air Canada
24 Sep
SEA8:00 a.m.Seattle/Tacoma Intl
10h 51m
1 stop
YYT11:21 p.m.St John's
28 Sep
YYT8:30 a.m.St John's
17h 04m
1 stop
SEA9:04 p.m.Seattle/Tacoma Intl
C$ 1,065

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 7 August 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 Seattle/Tacoma Intl - YYT St John's

SEAYYT

Seattle/Tacoma Intl

Sat 5/9

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

1 stop30h 40m

St John's

Tue 15/9

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

1 stop30h 35m

C$ 638
Quickest round-trip

SeattleSt. John's

SEA Seattle/Tacoma Intl - YYT St John's

SEAYYT

Seattle/Tacoma Intl

Sat 5/9

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

1 stop15h 45m

St John's

Tue 15/9

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

1 stop15h 40m

C$ 675

SeattleSt. John's

SEA Seattle/Tacoma Intl - YYT St John's

SEAYYT

Seattle/Tacoma Intl

Sat 5/9

10:30 a.m.-8:25 a.m.

2 stops17h 25m

St John's

Tue 15/9

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

1 stop30h 35m

C$ 677

SeattleSt. John's

SEA Seattle/Tacoma Intl - YYT St John's

SEAYYT

Seattle/Tacoma Intl

Thu 24/9

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

1 stop30h 40m

St John's

Mon 28/9

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

2 stops23h 10m

C$ 724

SeattleSt. John's

SEA Seattle/Tacoma Intl - YYT St John's

SEAYYT

Seattle/Tacoma Intl

Thu 24/9

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

2 stops22h 50m

St John's

Mon 28/9

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

2 stops23h 10m

C$ 727

SeattleSt. John's

SEA Seattle/Tacoma Intl - YYT St John's

SEAYYT

Seattle/Tacoma Intl

Mon 21/9

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

2 stops22h 50m

St John's

Sun 27/9

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

2 stops23h 10m

C$ 729

SeattleSt. John's

SEA Seattle/Tacoma Intl - YYT St John's

SEAYYT

Seattle/Tacoma Intl

Sat 19/9

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

2 stops31h 55m

St John's

Sat 26/9

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

2 stops23h 10m

C$ 736

SeattleSt. John's

SEA Seattle/Tacoma Intl - YYT St John's

SEAYYT

Seattle/Tacoma Intl

Sat 19/9

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

1 stop15h 45m

St John's

Sat 26/9

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

2 stops23h 10m

C$ 743

SeattleSt. John's

SEA Seattle/Tacoma Intl - YYT St John's

SEAYYT

Seattle/Tacoma Intl

Mon 21/9

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

2 stops46h 50m

St John's

Sun 27/9

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

2 stops32h 15m

C$ 757

SeattleSt. John's

SEA Seattle/Tacoma Intl - YYT St John's

SEAYYT

Seattle/Tacoma Intl

Sat 5/9

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

1 stop30h 40m

St John's

Tue 15/9

6:00 a.m.-9:40 a.m.

3 stops32h 10m

C$ 783

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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?

WestJet, Air Canada, and American Airlines are the most popular carriers 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

13h 40m

Direct flights

None
The fastest flight from Seattle to St. John's takes 13h 40m
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 13h 40m.

  • 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.

An easier way to manage your St. John's trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 6/9
Sun 13/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Canada