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Cheap flights from Washington to Saint John from $787

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Saint John departing on 9/10. 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 Washington to Saint John

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
5:50 am - 11:51 pmSEA  Seattle/Tacoma Intl-YSJ Saint John
14h 01m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
4:40 pm - 10:47 pmYSJ  Saint John-SEA Seattle/Tacoma Intl
10h 07m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$787Air Canada
Thu, Sep 10 - Wed, Sep 16
Air Canada Logo
8:00 am - 11:51 pmSEA  Seattle/Tacoma Intl-YSJ Saint John
11h 51m1 stop Toronto Pearson Intl
Air Canada Logo
4:40 pm - 10:47 pmYSJ  Saint John-SEA Seattle/Tacoma Intl
10h 07m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$806Air Canada
Thu, Sep 10 - Wed, Sep 16
Air Canada Logo
8:00 am - 11:51 pmSEA  Seattle/Tacoma Intl-YSJ Saint John
11h 51m1 stop Toronto Pearson Intl
Air Canada Logo
12:50 pm - 9:04 pmYSJ  Saint John-SEA Seattle/Tacoma Intl
12h 14m1 stop Toronto Pearson Intl
$830Air Canada
Thu, Sep 10 - Wed, Sep 16
Air Canada Logo
5:50 am - 11:51 pmSEA  Seattle/Tacoma Intl-YSJ Saint John
14h 01m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
4:40 pm - 10:47 pmYSJ  Saint John-SEA Seattle/Tacoma Intl
10h 07m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$944Air Canada
Mon, Sep 21 - Fri, Sep 25
Air Canada Logo
5:50 am - 11:51 pmSEA  Seattle/Tacoma Intl-YSJ Saint John
14h 01m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
4:40 pm - 10:47 pmYSJ  Saint John-SEA Seattle/Tacoma Intl
10h 07m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$955Air Canada
Mon, Sep 21 - Fri, Sep 25
Air Canada Logo
8:00 am - 11:51 pmSEA  Seattle/Tacoma Intl-YSJ Saint John
11h 51m1 stop Toronto Pearson Intl
Air Canada Logo
4:40 pm - 10:47 pmYSJ  Saint John-SEA Seattle/Tacoma Intl
10h 07m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$963Air Canada
Mon, Sep 21 - Fri, Sep 25
Air Canada Logo
8:00 am - 11:51 pmSEA  Seattle/Tacoma Intl-YSJ Saint John
11h 51m1 stop Toronto Pearson Intl
Air Canada Logo
4:40 pm - 10:47 pmYSJ  Saint John-SEA Seattle/Tacoma Intl
10h 07m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
$974Air Canada
Mon, Sep 21 - Fri, Sep 25
Air Canada Logo
8:00 am - 11:51 pmSEA  Seattle/Tacoma Intl-YSJ Saint John
11h 51m1 stop Toronto Pearson Intl
Air Canada Logo
12:50 pm - 9:04 pmYSJ  Saint John-SEA Seattle/Tacoma Intl
12h 14m1 stop Toronto Pearson Intl
$986Air Canada
Mon, Sep 21 - Fri, Sep 25
Air Canada Logo
8:00 am - 11:51 pmSEA  Seattle/Tacoma Intl-YSJ Saint John
11h 51m1 stop Toronto Pearson Intl
Air Canada Logo
12:50 pm - 9:04 pmYSJ  Saint John-SEA Seattle/Tacoma Intl
12h 14m1 stop Toronto Pearson Intl
$987Air Canada
Mon, Sep 21 - Fri, Sep 25
Air Canada Logo
8:00 am - 11:51 pmSEA  Seattle/Tacoma Intl-YSJ Saint John
11h 51m1 stop Toronto Pearson Intl
Air Canada Logo
12:50 pm - 9:04 pmYSJ  Saint John-SEA Seattle/Tacoma Intl
12h 14m1 stop Toronto Pearson Intl
$998Air Canada
Mon, Sep 21 - Fri, Sep 25

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Air Canada flights from State of Washington to Saint John

Our best Air Canada deals on State of Washington to Saint John flight tickets
Air Canada
Sep 10
SEA5:50 amSeattle/Tacoma Intl
14h 01m
2 stops
YSJ11:51 pmSaint John
Sep 16
YSJ4:40 pmSaint John
10h 07m
2 stops
SEA10:47 pmSeattle/Tacoma Intl
$787
Air Canada
Sep 10
SEA8:00 amSeattle/Tacoma Intl
11h 51m
1 stop
YSJ11:51 pmSaint John
Sep 16
YSJ4:40 pmSaint John
10h 07m
2 stops
SEA10:47 pmSeattle/Tacoma Intl
$806
Air Canada
Sep 10
SEA8:00 amSeattle/Tacoma Intl
11h 51m
1 stop
YSJ11:51 pmSaint John
Sep 16
YSJ12:50 pmSaint John
12h 14m
1 stop
SEA9:04 pmSeattle/Tacoma Intl
$830

United Airlines flights from State of Washington to Saint John

Our best United Airlines deals on State of Washington to Saint John flight tickets
United Airlines
Sep 10
SEA11:00 pmSeattle/Tacoma Intl
12h 59m
2 stops
YSJ3:59 pmSaint John
Sep 16
YSJ5:00 amSaint John
18h 08m
3 stops
SEA7:08 pmSeattle/Tacoma Intl
$1,093
United Airlines
Sep 10
SEA6:32 amSeattle/Tacoma Intl
29h 27m
3 stops
YSJ3:59 pmSaint John
Sep 16
YSJ5:00 amSaint John
18h 08m
3 stops
SEA7:08 pmSeattle/Tacoma Intl
$2,431

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Saint John 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 832,500 searches. Data last updated August 12, 2026.
Use the filters below to find and compare flights from Washington to Saint John that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Thu 9/10

5:50 am-11:51 pm

2 stops14h 01m

Saint John

Wed 9/16

4:40 pm-10:47 pm

2 stops10h 07m

$787
Quickest round-trip

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Thu 9/10

8:00 am-11:51 pm

1 stop11h 51m

Saint John

Wed 9/16

4:40 pm-10:47 pm

2 stops10h 07m

$806

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Thu 9/10

8:00 am-11:51 pm

1 stop11h 51m

Saint John

Wed 9/16

12:50 pm-9:04 pm

1 stop12h 14m

$830

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Mon 9/21

5:50 am-11:51 pm

2 stops14h 01m

Saint John

Fri 9/25

4:40 pm-10:47 pm

2 stops10h 07m

$944

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Mon 9/21

5:50 am-11:51 pm

2 stops14h 01m

Saint John

Fri 9/25

4:40 pm-10:47 pm

2 stops10h 07m

$955

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Mon 9/21

8:00 am-11:51 pm

1 stop11h 51m

Saint John

Fri 9/25

4:40 pm-10:47 pm

2 stops10h 07m

$963

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Mon 9/21

8:00 am-11:51 pm

1 stop11h 51m

Saint John

Fri 9/25

4:40 pm-10:47 pm

2 stops10h 07m

$974

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Mon 9/21

8:00 am-11:51 pm

1 stop11h 51m

Saint John

Fri 9/25

12:50 pm-9:04 pm

1 stop12h 14m

$986

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Mon 9/21

8:00 am-11:51 pm

1 stop11h 51m

Saint John

Fri 9/25

12:50 pm-9:04 pm

1 stop12h 14m

$987

SeattleSaint John

SEA Seattle/Tacoma Intl - YSJ Saint John

SEAYSJ

Seattle/Tacoma Intl

Mon 9/21

8:00 am-11:51 pm

1 stop11h 51m

Saint John

Fri 9/25

12:50 pm-9:04 pm

1 stop12h 14m

$998

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap State of Washington to Saint John flight deals and tips

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

Fastest flight time

22h 08m

Direct flights

None
The fastest flight from State of Washington to Saint John takes 22h 08m
There are no direct flights from State of Washington to Saint John. There are no popular flight routes from State of Washington to Saint John.
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Frequently asked questions about flying from Washington to Saint John

  • When did momondo last update prices for flights from Washington to Saint John Airport?

    Prices for flights from Washington to Saint John Airport refresh daily.

  • How old do you have to be to fly from Washington to Saint John Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington 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 Washington to Saint John

  • How do I get Price Alerts for flights from State of Washington to Saint John?

    Confirm your travel details to search for the latest offers for flights from State of Washington to Saint John. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from State of Washington to Saint John with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • 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.

Traveling to a place near Saint John?

Book flights to Saint John if you plan to visit one of these locations
Sussex
Bridgetown
Middleton

Why use momondo?

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

It is quick and easy to find Washington to Saint John flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Saint John that suits you.

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

momondo does allow users to show only those flights to Saint John from Washington which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington to Saint John.

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

Price alerts on flights to Saint John from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Saint John trip

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Fri 9/11
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