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CA $443 Cheap Flights from Moncton (YQM) to Seattle (SEA)

View CA $443 flight on Sat, Sep 26, 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 (YQM) to Seattle (SEA)

Prices were available within the past 7 days and start at CA $443 for one-way flights and CA $673 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Tue, Jul 21 - Sat, Jul 25
YQM
Moncton
SEA
Seattle
CA $673 Roundtrip, found 5 hours ago
CA $673
Roundtrip
found 5 hours ago
Select WestJet flight, departing Tue, Jul 21 from Moncton to Seattle, returning Sat, Jul 25, priced at CA $673 found 5 hours ago
WestJet
Wed, Jul 22 - Sat, Jul 25
YQM
Moncton
SEA
Seattle
CA $756 Roundtrip, found 5 hours ago
CA $756
Roundtrip
found 5 hours ago
Select WestJet flight, departing Wed, Jul 22 from Moncton to Seattle, returning Sat, Jul 25, priced at CA $756 found 5 hours ago
WestJet
Tue, Jul 21 - Sun, Jul 26
YQM
Moncton
SEA
Seattle
CA $793 Roundtrip, found 5 hours ago
CA $793
Roundtrip
found 5 hours ago
Select WestJet flight, departing Tue, Jul 21 from Moncton to Seattle, returning Sun, Jul 26, priced at CA $793 found 5 hours ago
WestJet
Wed, Jul 22 - Sun, Jul 26
YQM
Moncton
SEA
Seattle
CA $815 Roundtrip, found 5 hours ago
CA $815
Roundtrip
found 5 hours ago
Select WestJet flight, departing Wed, Jul 22 from Moncton to Seattle, returning Sun, Jul 26, priced at CA $815 found 5 hours ago
Air Canada
Sat, Sep 26 - Sun, Oct 4
YQM
Moncton
SEA
Seattle
CA $825 Roundtrip, found 5 days ago
CA $825
Roundtrip
found 5 days ago
Select Air Canada flight, departing Sat, Sep 26 from Moncton to Seattle, returning Sun, Oct 4, priced at CA $825 found 5 days ago
Air Canada
Fri, Aug 14 - Sat, Aug 22
YQM
Moncton
SEA
Seattle
CA $835 Roundtrip, found 4 hours ago
CA $835
Roundtrip
found 4 hours ago
Select Air Canada flight, departing Fri, Aug 14 from Moncton to Seattle, returning Sat, Aug 22, priced at CA $835 found 4 hours ago
Air Canada
Sat, Aug 8 - Sat, Aug 15
YQM
Moncton
SEA
Seattle
CA $843 Roundtrip, found 4 hours ago
CA $843
Roundtrip
found 4 hours ago
Select Air Canada flight, departing Sat, Aug 8 from Moncton to Seattle, returning Sat, Aug 15, priced at CA $843 found 4 hours ago
Air Canada
Sat, Aug 15 - Sat, Aug 22
YQM
Moncton
SEA
Seattle
CA $848 Roundtrip, found 3 days ago
CA $848
Roundtrip
found 3 days ago
Select Air Canada flight, departing Sat, Aug 15 from Moncton to Seattle, returning Sat, Aug 22, priced at CA $848 found 3 days ago
Air Canada
Sat, Aug 8 - Sat, Aug 15
YQM
Moncton
SEA
Seattle
CA $854 Roundtrip, found 4 hours ago
CA $854
Roundtrip
found 4 hours ago
Select Air Canada flight, departing Sat, Aug 8 from Moncton to Seattle, returning Sat, Aug 15, priced at CA $854 found 4 hours ago
United
Tue, Jul 21 - Tue, Jul 28
YQM
Moncton
SEA
Seattle
CA $1,027 Roundtrip, found 5 hours ago
CA $1,027
Roundtrip
found 5 hours ago
Select United flight, departing Tue, Jul 21 from Moncton to Seattle, returning Tue, Jul 28, priced at CA $1,027 found 5 hours ago

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city centre is 20 minutes. Flights from CA $673
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city centre20 min
Flights from CA $673

Frequently asked questions

How much does a flight from Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find cheap one-way flights from CA $443 and cheap return flights from CA $673 YQM to SEA with Expedia. One-way flights typically cost between CA$528 and CA$2114, and return flights often range between CA$1093 and CA$3538. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when YQM to SEA ticket fares go up or down.
What is the cheapest month to fly from Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The cheapest months to fly from YQM to SEA are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter YQM to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Passaredo Transportes Aereos is one of the cheapest airlines offering connecting return flights from Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with prices starting from around CA$1259 for flights that can be booked for departure within the next year, with a layover in Macdonald-Cartier Intl. (YOW). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 5 connecting flights per day from Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Some common connection points include Pearson Intl. (YYZ), Pierre Elliott Trudeau Intl. (YUL), and Calgary Intl. (YYC).
What is the earliest flight from Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs around 5:10 AM. This flight is operated by Air Canada. This is a seasonal service, active only in January. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll typically find the most flights from Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) on a Monday, with around 11 flights available. This gives you a good selection for your travel plans. Major airlines on this route include Air Canada, Porter Airlines, and WestJet. Flight schedules are quite consistent throughout the week, so you'll have options no matter which day you choose to fly.
What are the most popular departure times for flights from Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are in the early morning, from 3am to 6am. Air Canada offers flights during this window. Many travellers prefer this time because it allows for an early start to their journey, potentially arriving at their destination with plenty of time left in the day.
How long does it take to fly from Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are no nonstop flights from Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). The distance between these two airports is approximately 4287 kilometres. If you're looking for a flight with one stop, you can expect the journey to take around 12 hours 48 minutes. Flights with two or more stops typically take longer, averaging about 17 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You can fly business class between YQM and SEA. Airlines that offer business class service on this route include:
  • Air Canada
How do I earn miles on a Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle, WA (SEA) from Moncton, NB (YQM)?
If you're planning to travel to Seattle from Greater Moncton Intl. (YQM), you can fly directly into Seattle - Tacoma Intl. (SEA). Some flights may connect through major hubs like Pierre Elliott Trudeau Intl. (YUL), Pearson Intl. (YYZ), or Calgary Intl. (YYC) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Moncton, NB (YQM-Greater Moncton Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Greater Moncton Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, United, WestJet
Roundtrip price
CA $673
Distance
4261 km

Book with confidence

Dieppe to Seattle Flights

The easy way to book your flights from Moncton to Seattle 

With Expedia, it’s simple to find and book flights to Seattle from Moncton whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Seattle - Tacoma Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Moncton to Seattle today, tomorrow, or this week.  

 

Save dollars with cheap flights from Greater Moncton Intl., YQM to Seattle - Tacoma Intl., SEA 

Sort your search results by price to find great deals on your flight from Moncton to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Moncton currently is just CA $673 rising to CA $1,027.  

Here are more money-saving tips: 

  • Fly in July when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Seattle  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Seattle from Moncton 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today.

Dieppe to Seattle Flights

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