How do I get Price Alerts for flights from Seattle to Saint John?

Price Alerts will notify you by email when the price for flights to Saint John from Seattle decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Seattle to Saint John with momondo?

By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Saint John Airport?

Prices for flights from Seattle/Tacoma Intl Airport to Saint John Airport are updated daily.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Saint John 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 Saint John Airport.

What documentation or ID do you need to fly to Saint John Airport?

The travel and health documents you'll need for your trip to Saint John Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint John Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$963 Cheap Flights from Seattle to Saint John in 2025/26

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8:00 pm - 10:49 amSEA-YSJ

10h 49m2 stops

4:15 pm - 9:31 amYSJ-SEA

21h 16m2 stops

$963Air Canada

Find Deal

Sat, Dec 27 - Mon, Jan 5

8:10 am - 10:49 amSEA-YSJ

22h 39m1 stop

4:15 pm - 9:31 amYSJ-SEA

21h 16m2 stops

$994Air Canada

Find Deal

Sat, Dec 27 - Mon, Jan 5

11:05 am - 5:14 pmSEA-YSJ

26h 09m2 stops

5:40 am - 4:24 pmYSJ-SEA

14h 44m2 stops

$1,088United Airlines

Find Deal

Wed, Apr 1 - Sun, Apr 5

8:00 am - 11:24 pmSEA-YSJ

11h 24m1 stop

5:40 am - 3:03 pmYSJ-SEA

13h 23m2 stops

$1,128Air Canada

Find Deal

Wed, Apr 1 - Sun, Apr 5

8:00 am - 11:24 pmSEA-YSJ

11h 24m1 stop

5:40 am - 9:51 pmYSJ-SEA

20h 11m1 stop

$1,146Air Canada

Find Deal

Wed, Apr 1 - Sun, Apr 5

8:00 am - 11:29 pmSEA-YSJ

11h 29m1 stop

5:40 am - 9:51 pmYSJ-SEA

20h 11m1 stop

$1,147Air Canada

Find Deal

Wed, Apr 1 - Sun, Apr 5

8:10 am - 10:49 amSEA-YSJ

22h 39m1 stop

11:30 am - 10:16 pmYSJ-SEA

14h 46m1 stop

$1,205Air Canada

Find Deal

Sat, Dec 27 - Mon, Jan 5

9:55 pm - 11:30 amSEA-YSJ

33h 35m2 stops

12:00 pm - 2:20 pmYSJ-SEA

30h 20m3 stops

$1,315Multiple Airlines

Find Deal

Sat, Dec 27 - Mon, Jan 5

7:45 pm - 11:30 amSEA-YSJ

35h 45m3 stops

12:00 pm - 2:20 pmYSJ-SEA

30h 20m3 stops

$1,399Multiple Airlines

Find Deal

Sat, Dec 27 - Mon, Jan 5

Air Canada flights from Seattle to Saint John

Our best Air Canada deals on Seattle to Saint John flight tickets

Air Canada

Dec 27

SEA8:00 pmSeattle/Tacoma Intl

10h 49m

2 stops

YSJ10:49 amSaint John

Jan 5

YSJ4:15 pmSaint John

21h 16m

2 stops

SEA9:31 amSeattle/Tacoma Intl

$963

Find similar

Air Canada

Dec 27

SEA8:10 amSeattle/Tacoma Intl

22h 39m

1 stop

YSJ10:49 amSaint John

Jan 5

YSJ4:15 pmSaint John

21h 16m

2 stops

SEA9:31 amSeattle/Tacoma Intl

$994

Find similar

Air Canada

Apr 1

SEA8:00 amSeattle/Tacoma Intl

11h 24m

1 stop

YSJ11:24 pmSaint John

Apr 5

YSJ5:40 amSaint John

13h 23m

2 stops

SEA3:03 pmSeattle/Tacoma Intl

$1,128

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Sat 12/27

8:00 pm-10:49 am

2 stops10h 49m

Saint John

Mon 1/5

4:15 pm-9:31 am

2 stops21h 16m

$963

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Sat 12/27

8:10 am-10:49 am

1 stop22h 39m

Saint John

Mon 1/5

4:15 pm-9:31 am

2 stops21h 16m

$994

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Wed 4/1

11:05 am-5:14 pm

2 stops26h 09m

Saint John

Sun 4/5

5:40 am-4:24 pm

2 stops14h 44m

$1,088

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Wed 4/1

8:00 am-11:24 pm

1 stop11h 24m

Saint John

Sun 4/5

5:40 am-3:03 pm

2 stops13h 23m

$1,128

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Wed 4/1

8:00 am-11:24 pm

1 stop11h 24m

Saint John

Sun 4/5

5:40 am-9:51 pm

1 stop20h 11m

$1,146

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Wed 4/1

8:00 am-11:29 pm

1 stop11h 29m

Saint John

Sun 4/5

5:40 am-9:51 pm

1 stop20h 11m

$1,147

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Sat 12/27

8:10 am-10:49 am

1 stop22h 39m

Saint John

Mon 1/5

11:30 am-10:16 pm

1 stop14h 46m

$1,205

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Sat 12/27

9:55 pm-11:30 am

2 stops33h 35m

Saint John

Mon 1/5

12:00 pm-2:20 pm

3 stops30h 20m

$1,315

SeattleSaint John

SEA - YSJ

SEAYSJ

Seattle/Tacoma Intl

Sat 12/27

7:45 pm-11:30 am

3 stops35h 45m

Saint John

Mon 1/5

12:00 pm-2:20 pm

3 stops30h 20m

$1,399

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Seattle to Saint John

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Saint John according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seattle to Saint John (SEA to YSJ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Saint John

Direct flights	None

There are no direct flights from Seattle to Saint John. There are no popular flight routes from Seattle to Saint John.

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How far is Seattle/Tacoma Intl to Saint John by plane?
Saint John is 2622.7 mi away from Seattle/Tacoma Intl. In terms of flight time, this usually takes a little over 10h 49m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Saint John Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Saint John Airport are updated daily.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Saint John 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 Saint John Airport.
What documentation or ID do you need to fly to Saint John Airport?
The travel and health documents you'll need for your trip to Saint John Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint John Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

How do I get Price Alerts for flights from Seattle to Saint John?
Price Alerts will notify you by email when the price for flights to Saint John from Seattle decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Seattle to Saint John with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Saint John?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Saint John from Seattle.

Can I find flights from Seattle to Saint John with flexible booking policies on momondo?

Flights from Seattle to Saint John with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Saint John?

momondo provides multiple filters to help you find the best flight to Saint John from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seattle to Saint John right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Saint John from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Seattle to Saint John from $963

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Saint John departing on 12/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Seattle to Saint John

Cheap round-trip flights

Cheap one-way flights

Air Canada flights from Seattle to Saint John

Our best Air Canada deals on Seattle to Saint John flight tickets

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Use the filters below to find and compare flights from Seattle to Saint John that are best for you.

When to book flights from Seattle to Saint John

Cheap Seattle to Saint John (SEA to YSJ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Saint John

Direct flights

How far is Seattle/Tacoma Intl to Saint John by plane?

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Saint John Airport?

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Saint John Airport?

What documentation or ID do you need to fly to Saint John Airport?

How do I get Price Alerts for flights from Seattle to Saint John?

How can I save money on flights from Seattle to Saint John with momondo?

How does momondo find its flight prices?

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Saint John?

Can I find flights from Seattle to Saint John with flexible booking policies on momondo?

How can momondo help me find flights from Seattle to Saint John?

I’m not ready to book a flight from Seattle to Saint John right now. Can momondo alert me if prices change?

An easier way to manage your Saint John 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Canada

Airports servicing New Brunswick