$197 Cheap Flights from Moncton (YQM) to Seattle (SEA)

View $197 flight on Mon, Jan 19, 2026Opens in a new window

Popular airlines from Moncton, NB (YQM-Greater Moncton Intl.) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Moncton to Seattle (YQM-SEA)

Prices were available within the past 7 days and start at $197 for one-way flights and $233 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, Jan 22 - Fri, Feb 6
YQM
Moncton
SEA
Seattle
$233 Roundtrip, found 16 hours ago
$233
Roundtrip
found 16 hours ago
Select Air Canada flight, departing Thu, Jan 22 from Moncton to Seattle, returning Fri, Feb 6, priced at $233 found 16 hours ago
Air Canada
Fri, Jan 30 - Tue, Feb 10
YQM
Moncton
SEA
Seattle
$240 Roundtrip, found 16 hours ago
$240
Roundtrip
found 16 hours ago
Select Air Canada flight, departing Fri, Jan 30 from Moncton to Seattle, returning Tue, Feb 10, priced at $240 found 16 hours ago
Air Canada
Thu, Jan 22 - Wed, Feb 4
YQM
Moncton
SEA
Seattle
$252 Roundtrip, found 16 hours ago
$252
Roundtrip
found 16 hours ago
Select Air Canada flight, departing Thu, Jan 22 from Moncton to Seattle, returning Wed, Feb 4, priced at $252 found 16 hours ago
Air Canada
Wed, Jan 28 - Fri, Feb 13
YQM
Moncton
SEA
Seattle
$258 Roundtrip, found 16 hours ago
$258
Roundtrip
found 16 hours ago
Select Air Canada flight, departing Wed, Jan 28 from Moncton to Seattle, returning Fri, Feb 13, priced at $258 found 16 hours ago
Air Canada
Thu, Jan 22 - Tue, Feb 3
YQM
Moncton
SEA
Seattle
$262 Roundtrip, found 16 hours ago
$262
Roundtrip
found 16 hours ago
Select Air Canada flight, departing Thu, Jan 22 from Moncton to Seattle, returning Tue, Feb 3, priced at $262 found 16 hours ago
Air Canada
Mon, Jan 19 - Fri, Feb 6
YQM
Moncton
SEA
Seattle
$263 Roundtrip, found 16 hours ago
$263
Roundtrip
found 16 hours ago
Select Air Canada flight, departing Mon, Jan 19 from Moncton to Seattle, returning Fri, Feb 6, priced at $263 found 16 hours ago
Air Canada
Fri, Jan 30 - Fri, Feb 13
YQM
Moncton
SEA
Seattle
$264 Roundtrip, found 16 hours ago
$264
Roundtrip
found 16 hours ago
Select Air Canada flight, departing Fri, Jan 30 from Moncton to Seattle, returning Fri, Feb 13, priced at $264 found 16 hours ago
Air Canada
Tue, Jan 13 - Mon, Feb 2
YQM
Moncton
SEA
Seattle
$268 Roundtrip, found 16 hours ago
$268
Roundtrip
found 16 hours ago
Select Air Canada flight, departing Tue, Jan 13 from Moncton to Seattle, returning Mon, Feb 2, priced at $268 found 16 hours ago
United
Sun, Jan 18 - Tue, Feb 3
YQM
Moncton
SEA
Seattle
$308 Roundtrip, found 2 days ago
$308
Roundtrip
found 2 days ago
Select United flight, departing Sun, Jan 18 from Moncton to Seattle, returning Tue, Feb 3, priced at $308 found 2 days ago
WestJet
Tue, Jan 6 - Wed, Jan 21
YQM
Moncton
SEA
Seattle
$552 Roundtrip, found 16 hours ago
$552
Roundtrip
found 16 hours ago
Select WestJet flight, departing Tue, Jan 6 from Moncton to Seattle, returning Wed, Jan 21, priced at $552 found 16 hours ago

Find the cheapest month to fly from Moncton (YQM) to Seattle (SEA)

May is typically the cheapest month to fly

From $276 - $796 per traveler.

Frequently asked questions

How much does a flight from Greater Moncton Intl. Airport (YQM) to Seattle - Tacoma Intl. Airport (SEA) cost?
Secure a cheap one-way flight from $197 or cheap return flight from $233 from Greater Moncton Intl. Airport (YQM) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Greater Moncton Intl. Airport (YQM) to Seattle - Tacoma Intl. Airport (SEA)?
The cheapest month to fly from YQM to SEA is January, when demand is low. Off-peak months are usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Greater Moncton Intl. Airport (YQM) to Seattle - Tacoma Intl. Airport (SEA)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from YQM to SEA. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Greater Moncton Intl. Airport (YQM) to Seattle - Tacoma Intl. Airport (SEA)?
You'll need to catch a flight with a layover if you're traveling from Greater Moncton Intl. Airport (YQM) to Seattle - Tacoma Intl. Airport (SEA). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from YQM to SEA?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Greater Moncton Intl. Airport (YQM) to Seattle - Tacoma Intl. Airport (SEA)?
Opt for a flight from Greater Moncton Intl. Airport (YQM) to Seattle - Tacoma Intl. Airport (SEA) that leaves before 3 PM to reduce the likelihood of delays. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Greater Moncton Intl. Airport (YQM) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Waiting until just before your departure to book a flight from YQM to SEA often results in higher prices. While it's possible to find some last-minute offers, they're not always guaranteed. Be flexible with your travel plans to maximize your chances of getting a bargain.
Is it cheaper to book a YQM to SEA flight and hotel package?
Securing a YQM to SEA flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our wide range of hotels and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Greater Moncton Intl. Airport (YQM) to Seattle - Tacoma Intl. Airport (SEA)?
Typically, you can modify or cancel your YQM to SEA flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you want further information, go to our Customer Service portal.

Travel information

Origin airport
Greater Moncton Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, United, WestJet
Roundtrip price
$233
Distance
2663 mi

Book with confidence

Moncton to Seattle Flights

The cheapest times to fly from Moncton to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Moncton to Seattle are during the month of January. You can find some of the cheapest flights from Moncton to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Moncton to Seattle

Sunday is one of the best days to book for cheap flights from Moncton to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Moncton to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Moncton to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $197 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Moncton to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Moncton to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Moncton to Seattle Flights

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*Available to One Key members.