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

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 7/11. 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

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

Cheap round-trip flights

WestJet Logo
8:40 a.m. - 10:56 p.m.SEA-YYT
33h 46m2 stops
WestJet Logo
3:00 p.m. - 12:59 p.m.YYT-SEA
26h 29m2 stops
C$ 461WestJet
Find Deal
Fri, 17 Oct - Sun, 19 Oct
WestJet Logo
8:40 a.m. - 6:20 a.m.SEA-YYT
17h 10m1 stop
WestJet Logo
3:00 p.m. - 12:59 p.m.YYT-SEA
26h 29m2 stops
C$ 466WestJet
Find Deal
Fri, 17 Oct - Sun, 19 Oct
 Logo
8:06 a.m. - 6:20 a.m.SEA-YYT
17h 44m1 stop
 Logo
7:10 a.m. - 12:59 p.m.YYT-SEA
10h 19m1 stop
C$ 547
Find Deal
Mon, 13 Oct - Mon, 20 Oct
 Logo
3:36 p.m. - 6:20 a.m.SEA-YYT
10h 14m1 stop
 Logo
3:00 p.m. - 12:59 p.m.YYT-SEA
26h 29m2 stops
C$ 576
Find Deal
Mon, 13 Oct - Mon, 20 Oct
 Logo
8:40 a.m. - 12:17 p.m.SEA-YYT
23h 07m3 stops
 Logo
6:25 p.m. - 12:59 p.m.YYT-SEA
23h 04m2 stops
C$ 598
Find Deal
Fri, 17 Oct - Sun, 19 Oct
 Logo
8:40 a.m. - 6:20 a.m.SEA-YYT
17h 10m1 stop
 Logo
6:25 p.m. - 7:08 p.m.YYT-SEA
29h 13m1 stop
C$ 616
Find Deal
Fri, 17 Oct - Sun, 19 Oct
 Logo
8:40 a.m. - 12:17 p.m.SEA-YYT
23h 07m3 stops
 Logo
6:25 p.m. - 8:29 p.m.YYT-SEA
30h 34m3 stops
C$ 660
Find Deal
Fri, 17 Oct - Sun, 19 Oct
 Logo
8:06 a.m. - 10:56 p.m.SEA-YYT
34h 20m3 stops
 Logo
7:10 a.m. - 12:59 p.m.YYT-SEA
10h 19m1 stop
C$ 700
Find Deal
Mon, 13 Oct - Mon, 20 Oct
WestJet Logo
8:40 a.m. - 10:56 p.m.SEA-YYT
33h 46m2 stops
WestJet Logo
3:00 p.m. - 12:59 p.m.YYT-SEA
26h 29m2 stops
C$ 955WestJet
Find Deal
Mon, 13 Oct - Mon, 20 Oct
Air Canada Logo
8:15 a.m. - 11:13 p.m.SEA-YYT
10h 28m1 stop
Air Canada Logo
5:05 a.m. - 10:16 p.m.YYT-SEA
21h 41m2 stops
C$ 1,215Air Canada
Find Deal
Sat, 20 Dec - Mon, 29 Dec

WestJet flights from Seattle to St. John's

Our best WestJet deals on Seattle to St. John's flight tickets
WestJet
17 Oct
SEA8:40 a.m.Seattle/Tacoma Intl
33h 46m
2 stops
YYT10:56 p.m.St John's
19 Oct
YYT3:00 p.m.St John's
26h 29m
2 stops
SEA12:59 p.m.Seattle/Tacoma Intl
WestJet
17 Oct
SEA8:40 a.m.Seattle/Tacoma Intl
17h 10m
1 stop
YYT6:20 a.m.St John's
19 Oct
YYT3:00 p.m.St John's
26h 29m
2 stops
SEA12:59 p.m.Seattle/Tacoma Intl
WestJet
13 Oct
SEA8:40 a.m.Seattle/Tacoma Intl
33h 46m
2 stops
YYT10:56 p.m.St John's
20 Oct
YYT3:00 p.m.St John's
26h 29m
2 stops
SEA12:59 p.m.Seattle/Tacoma Intl

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 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

Fly to

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

Fri 17/10

8:40 a.m.-6:20 a.m.

1 stop17h 10m

St John's

Sun 19/10

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

2 stops26h 29m

C$ 466

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

Mon 13/10

3:36 p.m.-6:20 a.m.

1 stop10h 14m

St John's

Mon 20/10

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

2 stops26h 29m

C$ 576

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

Fri 17/10

8:40 a.m.-6:20 a.m.

1 stop17h 10m

St John's

Sun 19/10

6:25 p.m.-7:08 p.m.

1 stop29h 13m

C$ 616

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.-8:29 p.m.

3 stops30h 34m

C$ 660

SeattleSt. John's

SEA - YYT

SEAYYT

Seattle/Tacoma Intl

Mon 13/10

8:06 a.m.-10:56 p.m.

3 stops34h 20m

St John's

Mon 20/10

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

1 stop10h 19m

C$ 700

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

5:05 a.m.-10:16 p.m.

2 stops21h 41m

C$ 1,215

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 month to fly to St. John's?

In general, May is the cheapest month to fly from Seattle to St. John's. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 602. If you’re not able to fly to St. John's in May, then November is your next best option. Flight prices from Seattle to St. John's during November average around C$ 693.

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

Direct flights

None
There are no direct flights from Seattle to St. John's. There are no popular flight routes 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 10h 14m.

  • 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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1 adult
Wed 15/10
Wed 22/10

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