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.

$739 Cheap Flights from Seattle to Saint John in 2026

Find the cheapest flights from Seattle to Saint John

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 am - 10:00 amSEA Seattle/Tacoma Intl-YSJ Saint John

22h 00m1 stop Toronto Pearson Intl

10:45 am - 6:45 pmYSJ Saint John-SEA Seattle/Tacoma Intl

36h 00m2 stops Toronto Pearson Intl Calgary

$739Multiple Airlines

Sun, Oct 4 - Mon, Oct 12

8:00 am - 10:00 amSEA Seattle/Tacoma Intl-YSJ Saint John

22h 00m1 stop Toronto Pearson Intl

10:45 am - 9:40 amYSJ Saint John-SEA Seattle/Tacoma Intl

26h 55m2 stops Toronto Pearson Intl Calgary

$825Multiple Airlines

Sun, Oct 4 - Fri, Oct 9

7:15 pm - 11:51 amSEA Seattle/Tacoma Intl-YSJ Saint John

12h 36m2 stops Vancouver Intl Toronto Pearson Intl

4:40 pm - 10:47 pmYSJ Saint John-SEA Seattle/Tacoma Intl

10h 07m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

$850Air Canada

Tue, Oct 13 - Fri, Oct 16

7:55 am - 11:51 pmSEA Seattle/Tacoma Intl-YSJ Saint John

11h 56m1 stop Toronto Pearson Intl

4:40 pm - 10:47 pmYSJ Saint John-SEA Seattle/Tacoma Intl

10h 07m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

$869Air Canada

Tue, Oct 13 - Fri, Oct 16

7:15 pm - 11:51 amSEA Seattle/Tacoma Intl-YSJ Saint John

12h 36m2 stops Vancouver Intl Toronto Pearson Intl

5:00 am - 9:04 pmYSJ Saint John-SEA Seattle/Tacoma Intl

20h 04m1 stop Toronto Pearson Intl

$874Air Canada

Mon, Oct 5 - Wed, Oct 14

8:00 am - 10:00 amSEA Seattle/Tacoma Intl-YSJ Saint John

22h 00m1 stop Toronto Pearson Intl

6:55 am - 6:45 pmYSJ Saint John-SEA Seattle/Tacoma Intl

39h 50m2 stops Montreal St Hubert Calgary

$876Multiple Airlines

Sun, Oct 4 - Wed, Oct 14

8:00 am - 10:00 amSEA Seattle/Tacoma Intl-YSJ Saint John

22h 00m1 stop Toronto Pearson Intl

6:55 am - 9:40 amYSJ Saint John-SEA Seattle/Tacoma Intl

54h 45m2 stops Montreal St Hubert Calgary

$880Multiple Airlines

Sun, Oct 4 - Thu, Oct 15

8:00 am - 10:00 amSEA Seattle/Tacoma Intl-YSJ Saint John

22h 00m1 stop Toronto Pearson Intl

6:55 am - 6:45 pmYSJ Saint John-SEA Seattle/Tacoma Intl

39h 50m2 stops Montreal St Hubert Calgary

$890Multiple Airlines

Sun, Oct 4 - Tue, Oct 13

7:55 am - 11:51 pmSEA Seattle/Tacoma Intl-YSJ Saint John

11h 56m1 stop Toronto Pearson Intl

5:00 am - 6:32 pmYSJ Saint John-SEA Seattle/Tacoma Intl

17h 32m2 stops Toronto Pearson Intl Vancouver Intl

$893Air Canada

Tue, Oct 6 - Mon, Oct 12

7:55 am - 11:51 pmSEA Seattle/Tacoma Intl-YSJ Saint John

11h 56m1 stop Toronto Pearson Intl

12:50 pm - 9:04 pmYSJ Saint John-SEA Seattle/Tacoma Intl

12h 14m1 stop Toronto Pearson Intl

$894Air Canada

Mon, Oct 5 - Sat, Oct 10

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Air Canada flights from Seattle to Saint John

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

Air Canada

Oct 13

SEA7:15 pmSeattle/Tacoma Intl

12h 36m

2 stops

YSJ11:51 amSaint John

Oct 16

YSJ4:40 pmSaint John

10h 07m

2 stops

SEA10:47 pmSeattle/Tacoma Intl

$850

Air Canada

Oct 13

SEA7:55 amSeattle/Tacoma Intl

11h 56m

1 stop

YSJ11:51 pmSaint John

Oct 16

YSJ4:40 pmSaint John

10h 07m

2 stops

SEA10:47 pmSeattle/Tacoma Intl

$869

Air Canada

Oct 5

SEA7:15 pmSeattle/Tacoma Intl

12h 36m

2 stops

YSJ11:51 amSaint John

Oct 14

YSJ5:00 amSaint John

20h 04m

1 stop

SEA9:04 pmSeattle/Tacoma Intl

$874

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Sun 10/4

8:00 am-10:00 am

1 stop22h 00m

Saint John

Mon 10/12

10:45 am-6:45 pm

2 stops36h 00m

$739

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Sun 10/4

8:00 am-10:00 am

1 stop22h 00m

Saint John

Fri 10/9

10:45 am-9:40 am

2 stops26h 55m

$825

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Tue 10/13

7:15 pm-11:51 am

2 stops12h 36m

Saint John

Fri 10/16

4:40 pm-10:47 pm

2 stops10h 07m

$850

Quickest round-trip

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Tue 10/13

7:55 am-11:51 pm

1 stop11h 56m

Saint John

Fri 10/16

4:40 pm-10:47 pm

2 stops10h 07m

$869

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Mon 10/5

7:15 pm-11:51 am

2 stops12h 36m

Saint John

Wed 10/14

5:00 am-9:04 pm

1 stop20h 04m

$874

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Sun 10/4

8:00 am-10:00 am

1 stop22h 00m

Saint John

Wed 10/14

6:55 am-6:45 pm

2 stops39h 50m

$876

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Sun 10/4

8:00 am-10:00 am

1 stop22h 00m

Saint John

Thu 10/15

6:55 am-9:40 am

2 stops54h 45m

$880

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Sun 10/4

8:00 am-10:00 am

1 stop22h 00m

Saint John

Tue 10/13

6:55 am-6:45 pm

2 stops39h 50m

$890

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Tue 10/6

7:55 am-11:51 pm

1 stop11h 56m

Saint John

Mon 10/12

5:00 am-6:32 pm

2 stops17h 32m

$893

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Mon 10/5

7:55 am-11:51 pm

1 stop11h 56m

Saint John

Sat 10/10

12:50 pm-9:04 pm

1 stop12h 14m

$894

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

Best Price Found	$739
Fastest flight time	12h 46m
Direct flights	None

The best flight deal from Seattle to Saint John found on momondo in the last 72 hours is $739

The fastest flight from Seattle to Saint John takes 12h 46m

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

Search flight deals

Frequently asked questions about flying from Seattle to Saint John

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 12h 46m.
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.

Frequently asked questions about flying from Seattle to Saint John

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.

Sussex

Bridgetown

Middleton

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.

An easier way to manage your Saint John trip

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Cheap flights from Seattle to Saint John from $739

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 10/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Seattle to Saint John

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Big names and deals

Filter for what you want

Filter for what you want

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Price Alerts

Price Alerts

Air Canada flights from Seattle to Saint John

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

momondo Fare Finder

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Seattle to Saint John

Frequently asked questions about flying from Seattle to Saint John

Traveling to a place near Saint John?

Why use momondo?

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

Cabin classes currently available on flights to Saint John

List of cabin classes available on flights landing in Saint John. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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