What are the cheapest airlines flying from Seattle to Montreal round-trip?

Cheapflights users have booked flights from Seattle to Montreal round-trip from C$ 618. Other airlines that can offer you cheap pricing are British Airways, from C$ 661, and Delta, from C$ 670. WestJet is 26% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Seattle to Montreal one-way?

The cheapest airlines for a one-way flight from Seattle to Montreal are WestJet (C$ 311), American Airlines (C$ 397), and Delta (C$ 430).

What is the cheapest day to fly from Seattle to Montreal?

Travelers seeking maximum savings on their Seattle to Montreal flight should consider departing on Monday evenings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Seattle to Montreal?

Flying to your destination on a Wednesday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Montreal. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Seattle to Montreal?

Travellers have found it’s best to book a flight 33 days in advance to save up to 157% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 33 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Montreal 1-2 weeks in advance for as low as C$ 783, or C$ 1,425 for flights within the next 24 hours.

What is the cheapest month to fly from Seattle to Montreal?

The best pricing can be found in the month of May. Prices to Montreal from Seattle average C$ 847. You can even find prices in May for less than C$ 847, as users have found deals to Montreal from as low as C$ 289. The month of December appears to be one of the more expensive times to travel to Montreal from Seattle. Flying in the targeted month can save you up to 17%.

What airport do you fly from for flights from Seattle to Montreal?

Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Montreal. On average, Seattle/Tacoma Intl has 0 outbound flights to Montreal per day from 1 airline. Seattle/Tacoma Intl is conveniently located just 18.4 km from Seattle’s city centre.

Can I find deals for flights from Seattle to Montreal that include hotel bookings?

Yes. In addition to deals on Seattle to Montreal flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Seattle to Montreal?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Montreal.

Can I find deals for business class flights from Seattle to Montreal?

Yes. Cheapflights offers flight deals from Seattle to Montreal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 176+ Flights from Seattle to Montreal

The best prices from Seattle/Tacoma Intl to Montreal are usually found in May or January, booked 85 days in advance, depart on a Monday or Thursday and return on a Tuesday

Cheap flight deals from Seattle to Montreal

Round-trip from	C$ 421
One-way from	C$ 176
Popular in	December
Cheapest in	May
Average price	C$ 997

8/1-17/1
3 total stops
48h 21m total
Seattle to Montreal

Search Deals

13/1
1 total stop
20h 12m total
Seattle to Montreal

Search Deals

High demand for flights, 4% potential price rise

Search Deals

Best time to find cheap flights, 1% potential price drop

Search Deals

Average for round-trip flights in December 2024

Search Deals

Find flight deals from Seattle to Montreal

Cheapest flights from Seattle to Montreal
Explore the most affordable flight options available from Seattle to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2024.

Mon 30/129:25 a.m.SEA - YUL

2 stops12h 15mWestJet

Mon 6/14:45 p.m.YUL - SEA

2 stops18h 30mWestJet

Deal found 17/12C$ 1,178

Tue 31/1212:31 a.m.SEA - YUL

2 stops13h 24mAmerican Airlines

Fri 28/212:55 p.m.YUL - SEA

1 stop12h 14mAmerican Airlines

Deal found 18/12C$ 1,208

Fri 27/123:15 p.m.SEA - YUL

1 stop19h 14mMultiple Airlines

Fri 3/12:35 p.m.YUL - SEA

2 stops30h 37mMultiple Airlines

Deal found 17/12C$ 1,274

Wed 18/126:00 a.m.SEA - YUL

1 stop7h 59mDelta

Wed 15/112:48 p.m.YUL - SEA

1 stop12h 37mDelta

Deal found 18/12C$ 1,317

Fri 27/127:15 p.m.SEA - YUL

1 stop9h 05mAir Canada

Tue 31/123:15 p.m.YUL - SEA

1 stop9h 05mAir Canada

Deal found 17/12C$ 1,657

Fri 27/125:00 a.m.SEA - YUL

1 stop9h 08mUnited Airlines

Sun 5/16:00 a.m.YUL - SEA

1 stop15h 41mUnited Airlines

Deal found 17/12C$ 1,671

Best flights from Seattle to Montreal
Discover carefully curated flight deals from Seattle to Montreal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 18 December 2024.

Wed 8/12:16 p.m.SEA - YUL

1 stop23h 19mMultiple Airlines

Fri 17/12:35 p.m.YUL - SEA

2 stops25h 02mMultiple Airlines

Deal found 17/12C$ 421

Fri 31/111:30 a.m.SEA - YUL

3 stops34h 09mWestJet

Fri 7/21:30 p.m.YUL - SEA

3 stops23h 30mWestJet

Deal found 17/12C$ 618

Fri 10/17:11 a.m.SEA - YUL

1 stop12h 34mBritish Airways

Thu 16/12:20 p.m.YUL - SEA

2 stops13h 46mBritish Airways

Deal found 17/12C$ 661

Tue 7/16:00 a.m.SEA - YUL

1 stop7h 00mDelta

Tue 14/14:50 p.m.YUL - SEA

1 stop8h 35mDelta

Deal found 18/12C$ 670

Thu 30/112:45 a.m.SEA - YUL

2 stops13h 05mAmerican Airlines

Fri 7/22:20 p.m.YUL - SEA

2 stops12h 11mAmerican Airlines

Deal found 17/12C$ 676

Fri 10/13:05 p.m.SEA - YUL

2 stops13h 10mAir Canada

Thu 16/12:20 p.m.YUL - SEA

2 stops10h 40mAir Canada

Deal found 17/12C$ 706

Direct flights from Seattle to Montreal
Explore direct flight options from Seattle to Montreal based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 December 2024.

Tue 13/57:20 a.m.SEA - YUL

Nonstop5h 10mUnited Airlines

Fri 16/54:45 p.m.YUL - SEA

Nonstop5h 52mUnited Airlines

Deal found 17/12C$ 1,224

Wed 7/57:20 a.m.SEA - YUL

Nonstop5h 10mAir Canada

Wed 21/54:45 p.m.YUL - SEA

Nonstop5h 52mAir Canada

Deal found 16/12C$ 2,332

Last-minute flights from Seattle to Montreal
Discover last-minute flight deals from Seattle to Montreal. Data last updated 18 December 2024 and is based on user searches.

Thu 26/128:25 a.m.SEA - YUL

1 stop12h 18mDelta

Fri 3/16:00 a.m.YUL - SEA

1 stop12h 58mDelta

Deal found 17/12C$ 1,697

Thu 26/1212:31 a.m.SEA - YUL

2 stops13h 14mAmerican Airlines

Wed 1/17:13 a.m.YUL - SEA

1 stop16h 48mAmerican Airlines

Deal found 18/12C$ 1,951

Fri 27/129:55 p.m.SEA - YUL

2 stops23h 45mWestJet

Tue 31/124:45 p.m.YUL - SEA

2 stops20h 27mWestJet

Deal found 17/12C$ 1,205

Fri 27/123:15 p.m.SEA - YUL

1 stop19h 14mMultiple Airlines

Fri 3/12:35 p.m.YUL - SEA

2 stops30h 37mMultiple Airlines

Deal found 17/12C$ 1,274

Fri 27/127:15 p.m.SEA - YUL

1 stop9h 05mAir Canada

Tue 31/123:15 p.m.YUL - SEA

1 stop9h 05mAir Canada

Deal found 17/12C$ 1,657

Fri 27/125:00 a.m.SEA - YUL

1 stop9h 08mUnited Airlines

Sun 5/16:00 a.m.YUL - SEA

1 stop15h 41mUnited Airlines

Deal found 17/12C$ 1,671

Tue 7/16:00 a.m.SEA - YUL

1 stop7h 00mDelta

Tue 14/14:50 p.m.YUL - SEA

1 stop8h 35mDelta

Deal found 18/12C$ 670

Wed 8/12:16 p.m.SEA - YUL

1 stop23h 19mMultiple Airlines

Fri 17/12:35 p.m.YUL - SEA

2 stops25h 02mMultiple Airlines

Deal found 17/12C$ 421

Thu 9/11:43 p.m.SEA - YUL

1 stop20h 52mAmerican Airlines

Thu 16/17:14 a.m.YUL - SEA

1 stop14h 46mAmerican Airlines

Deal found 18/12C$ 656

Fri 10/17:11 a.m.SEA - YUL

1 stop12h 34mBritish Airways

Thu 16/12:20 p.m.YUL - SEA

2 stops13h 46mBritish Airways

Deal found 17/12C$ 661

Fri 10/13:05 p.m.SEA - YUL

2 stops13h 10mAir Canada

Thu 16/12:20 p.m.YUL - SEA

2 stops10h 40mAir Canada

Deal found 17/12C$ 706

Fri 31/111:30 a.m.SEA - YUL

3 stops34h 09mWestJet

Fri 7/21:30 p.m.YUL - SEA

3 stops23h 30mWestJet

Deal found 17/12C$ 618

One-way flights from Seattle to Montreal
Search for one-way flight options from Seattle to Montreal. Find affordable one-way fares based on user searches. Data last updated 18 December 2024.

Mon 13/15:23 p.m.SEA - YUL

1 stop20h 12mMultiple Airlines

Deal found 17/12C$ 176

Thu 9/13:15 p.m.SEA - YUL

1 stop21h 21mWestJet

Deal found 17/12C$ 311

Wed 8/112:45 a.m.SEA - YUL

2 stops13h 05mAmerican Airlines

Deal found 17/12C$ 397

Sun 20/47:45 p.m.SEA - YUL

2 stops10h 10mDelta

Deal found 17/12C$ 430

Wed 19/23:04 p.m.SEA - YUL

3 stops14h 28mUnited Airlines

Deal found 16/12C$ 453

Thu 1/57:20 a.m.SEA - YUL

Nonstop5h 10mAir Canada

Deal found 17/12C$ 576

Find flights from Seattle to Montreal within your budget

Fly from

Fly to

Route

Depart

Return

Price

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 8/1

2:16 p.m.-4:35 p.m.

1 stop23h 19m

Montreal Pierre Elliott Trudeau Intl

Fri 17/1

2:35 p.m.-12:37 p.m.

2 stops25h 02m

C$ 421

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Fri 31/1

11:30 a.m.-12:39 a.m.

3 stops34h 09m

Montreal Pierre Elliott Trudeau Intl

Fri 7/2

1:30 p.m.-10:00 a.m.

3 stops23h 30m

C$ 618

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Fri 10/1

7:11 a.m.-10:45 p.m.

1 stop12h 34m

Montreal Pierre Elliott Trudeau Intl

Thu 16/1

2:20 p.m.-1:06 a.m.

2 stops13h 46m

C$ 661

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Tue 7/1

6:00 a.m.-4:00 p.m.

1 stop7h 00m

Montreal Pierre Elliott Trudeau Intl

Tue 14/1

4:50 p.m.-10:25 p.m.

1 stop8h 35m

C$ 670

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Thu 30/1

12:45 a.m.-4:50 p.m.

2 stops13h 05m

Montreal Pierre Elliott Trudeau Intl

Fri 7/2

2:20 p.m.-11:31 p.m.

2 stops12h 11m

C$ 676

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Fri 10/1

3:05 p.m.-7:15 a.m.

2 stops13h 10m

Montreal Pierre Elliott Trudeau Intl

Thu 16/1

2:20 p.m.-10:00 p.m.

2 stops10h 40m

C$ 706

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Mon 13/1

5:23 p.m.-4:35 p.m.

1 stop20h 12m

C$ 176

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Thu 9/1

3:15 p.m.-3:36 p.m.

1 stop21h 21m

C$ 311

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Wed 8/1

12:45 a.m.-4:50 p.m.

2 stops13h 05m

C$ 397

SeattleMontreal

SEA - YUL

SEAYUL

Seattle/Tacoma Intl

Sun 20/4

7:45 p.m.-8:55 a.m.

2 stops10h 10m

C$ 430

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

Showing 1-10 of 12 results

Best time to book a flight from Seattle to Montreal

Have a flexible travel schedule? Discover the best time to fly to Montreal from Seattle with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Seattle to Montreal

Get recent, data-driven insights about flights from Seattle to Montreal including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Seattle to Montreal?

Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Montreal. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Seattle to Montreal?

Currently, October is the cheapest month in which you can book a flight from Seattle to Montreal (average of C$ 241). Flying from Seattle to Montreal in March is currently the most expensive (average of C$ 345). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to YMQ?

When flying from Seattle to Montreal, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 67% versus a flight in the morning.

Rainfall in Montreal by month

In terms of precipitation, rainfall in Montreal ranges from 64.0 - 111.0 mm per month. August is typically the wettest month, when rainfall can reach 111.0 mm. February is typically the driest time to visit Montreal when rainfall is around 64.0 mm.

Temperature in Montreal by month

If weather is an important factor for your trip to Montreal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -9.0 C).

Reviews of airlines servicing Montreal

See what other customers who have flown with Delta, Air Canada and American Airlines from Seattle to Montreal have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,604 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

8,604 reviews

Delta

8.0

Very good

8,604 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

9,059 reviews

Delta

8.0

Very good

8,604 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet

7.3

Good

2,818 reviews

Delta

8.0

Very good

8,604 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

8,604 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada

7.0

Good

8,382 reviews

Delta

8.0

Very good

8,604 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly from for flights from Seattle to Montreal?
Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Montreal. On average, Seattle/Tacoma Intl has 0 outbound flights to Montreal per day from 1 airline. Seattle/Tacoma Intl is conveniently located just 18.4 km from Seattle’s city centre.
What are the cheapest airlines flying from Seattle to Montreal round-trip?
Cheapflights users have booked flights from Seattle to Montreal round-trip from C$ 618. Other airlines that can offer you cheap pricing are British Airways, from C$ 661, and Delta, from C$ 670. WestJet is 26% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Seattle to Montreal one-way?
The cheapest airlines for a one-way flight from Seattle to Montreal are WestJet (C$ 311), American Airlines (C$ 397), and Delta (C$ 430).
Can I find deals for flights from Seattle to Montreal that include hotel bookings?
Yes. In addition to deals on Seattle to Montreal flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Montreal?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Montreal.
Can I find deals for business class flights from Seattle to Montreal?
Yes. Cheapflights offers flight deals from Seattle to Montreal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Seattle to Montreal?
Currently, October is the cheapest month in which you can book a flight from Seattle to Montreal (average of C$ 241). Flying from Seattle to Montreal in March is currently the most expensive (average of C$ 345). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Seattle to Montreal

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 796	AverageC$ 1,020	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

How does Cheapflights help users find flights from Seattle to Montreal?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Seattle to Montreal. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Montreal?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Montreal from Seattle.

Can Cheapflights find flights from Seattle to Montreal with no change fees?

Need flexible booking options for your flight to Montreal from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Montreal become cheaper?

Of course! You can now track prices for flights from Seattle to Montreal and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from Seattle to Montreal from C$ 176

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/1. Fares are subject to change and may not be available on all flights or dates of travel.

The best prices from Seattle/Tacoma Intl to Montreal are usually found in May or January, booked 85 days in advance, depart on a Monday or Thursday and return on a Tuesday

Cheap flight deals from Seattle to Montreal

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Seattle to Montreal

Cheapest flights from Seattle to MontrealExplore the most affordable flight options available from Seattle to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2024.

Explore the most affordable flight options available from Seattle to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2024.

Find flights from Seattle to Montreal within your budget

Best time to book a flight from Seattle to Montreal

Have a flexible travel schedule? Discover the best time to fly to Montreal from Seattle with our price prediction graph.

Travel insights for flights from Seattle to Montreal

Get recent, data-driven insights about flights from Seattle to Montreal including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Seattle to Montreal?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Montreal. Price data was last updated on 13 December 2024.

What is the cheapest month to book a flight from Seattle to Montreal?

What is the cheapest time of day to fly from SEA to YMQ?

Find hourly flight availability from Seattle to Montreal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 December 2024.

Rainfall in Montreal by month

Plan your trip to Montreal by taking into account the average rainfall totals by month.

Temperature in Montreal by month

Plan your trip to Montreal by taking into account the average temperature totals by month.

Reviews of airlines servicing Montreal

See what other customers who have flown with Delta, Air Canada and American Airlines from Seattle to Montreal have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Montreal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Seattle to Montreal?

What are the cheapest airlines flying from Seattle to Montreal round-trip?

What are the cheapest airlines to fly from Seattle to Montreal one-way?

Can I find deals for flights from Seattle to Montreal that include hotel bookings?

How can I find direct flights from Seattle to Montreal?

Can I find deals for business class flights from Seattle to Montreal?

What is the cheapest month to book a flight from Seattle to Montreal?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Montreal

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Seattle to Montreal

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Montreal?

Why should you use Cheapflights to find cheap flight tickets from Seattle to Montreal?

Can Cheapflights find flights from Seattle to Montreal with no change fees?

Can Cheapflights notify me if prices for flights from Seattle to Montreal become cheaper?

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Cheapest flights from Seattle to Montreal
Explore the most affordable flight options available from Seattle to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2024.