Cheap Flights from Seattle / Tacoma International to Montreal

Compare Seattle / Tacoma International to Montreal flight deals

Find the cheapest month or even day of the year to fly to Montreal

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Flight deals from Seattle / Tacoma International to Montreal

Looking for a cheap last-minute deal or the best round-trip flight from Seattle / Tacoma International Airport to Montreal? If you want to travel next month, round-trip fares start from AED 1,329. Find the lowest prices on one-way and round-trip tickets right here.

Montreal.AED 477 per passenger.Departing Sat, Jul 11.One-way flight with WestJet.Outbound indirect flight with WestJet, departing from Seattle / Tacoma International on Sat, Jul 11, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From AED 477, select.

Montreal.AED 483 per passenger.Departing Fri, Aug 14.One-way flight with WestJet.Outbound indirect flight with WestJet, departing from Seattle / Tacoma International on Fri, Aug 14, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From AED 483, select.

Montreal.AED 522 per passenger.Departing Wed, Sep 2.One-way flight with WestJet.Outbound indirect flight with WestJet, departing from Seattle / Tacoma International on Wed, Sep 2, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From AED 522, select.

Montreal.AED 529 per passenger.Departing Tue, Jun 30.One-way flight with WestJet.Outbound indirect flight with WestJet, departing from Seattle / Tacoma International on Tue, Jun 30, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From AED 529, select.

Montreal.AED 548 per passenger.Departing Fri, Oct 9.One-way flight with WestJet.Outbound indirect flight with WestJet, departing from Seattle / Tacoma International on Fri, Oct 9, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From AED 548, select.

Montreal.AED 861 per passenger.Departing Sun, Dec 6.One-way flight with WestJet.Outbound indirect flight with WestJet, departing from Seattle / Tacoma International on Sun, Dec 6, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From AED 861, select.

Montreal.AED 1,105 per passenger.Departing Fri, May 29.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departing from Seattle / Tacoma International on Fri, May 29, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From AED 1,105, select.

Montreal.AED 1,213 per passenger.Departing Tue, Apr 27.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departing from Seattle / Tacoma International on Tue, Apr 27, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From AED 1,213, select.

Montreal.AED 1,217 per passenger.Departing Sat, Feb 13.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departing from Seattle / Tacoma International on Sat, Feb 13, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From AED 1,217, select.

Montreal.AED 1,217 per passenger.Departing Sat, Mar 13.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departing from Seattle / Tacoma International on Sat, Mar 13, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From AED 1,217, select.

Montreal.AED 1,218 per passenger.Departing Sat, May 1.One-way flight with Air Canada.Outbound direct flight with Air Canada departing from Seattle / Tacoma International on Sat, May 1, arriving in Montreal Pierre Elliott Trudeau.Price includes taxes and charges.From AED 1,218, select.

Find the cheapest month to fly from Seattle / Tacoma International to Montreal

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle / Tacoma International to Montreal flights are currently cheapest in July.

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Direct flights from Seattle / Tacoma International to Montreal

Alternative Seattle / Tacoma International to Montreal routes

Looking for the cheapest, fastest or easiest route from Seattle / Tacoma International to Montreal? You could fly into the following airports instead.

Seattle to Montreal: Flight information

The things to know before you go.

Cheapest flight found	AED 477
Cheapest month to fly	July
Average flight time	5 hrs, 22 mins
Most popular airline	Air Canada
Average flights per week	14

Finding cheap flights from Seattle / Tacoma International to Montreal: Frequently asked questions

How many airports are there in Montreal?

There are 3 airports in Montreal: Montreal St Hubert, Montreal Pierre Elliott Trudeau and Montreal Mirabel.

How much are round-trip flights from Seattle / Tacoma International to Montreal?

The best price we found for a round-trip flight from Seattle / Tacoma International to Montreal is AED 1,142. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Seattle / Tacoma International to Montreal?

5 hours and 22 minutes is the average flight time from Seattle / Tacoma International to Montreal.

Which airlines fly direct from Seattle / Tacoma International to Montreal?

Air Canada and United fly direct from Seattle / Tacoma International to Montreal.

How many flights are there a week from Seattle / Tacoma International to Montreal?

There are 14 flights per week flying from Seattle / Tacoma International to Montreal, as of May 2026.

When is the cheapest time to fly from Seattle / Tacoma International to Montreal?

The cheapest month to fly from Seattle / Tacoma International to Montreal is usually July.

What's the cheapest airport to fly to in Montreal?

If you're flying from Seattle / Tacoma International Airport, the cheapest airport near Montreal is Montreal Pierre Elliott Trudeau – which is 16.1 km away from the center of Montreal. We've found flights to this airport from AED 1,142.

Which upcoming date is cheapest to fly from Seattle / Tacoma International Airport to Montreal on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Montreal on Thursday, July 9, 2026.

Can I get a direct flight from Seattle / Tacoma International Airport to Montreal?

Yes – the average flight time is 5 hours and 22 minutes.

How can I get the best flight deal from Seattle / Tacoma International Airport to Montreal?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Montreal but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Montreal?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Montreal is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Montreal?

In May, the average temperature is usually around 12°C. July is typically the warmest month in Montreal, when it usually averages around 25°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -17°C. The rainiest month is June.

Which is the cheapest airline to fly with from Seattle / Tacoma International Airport to Montreal?

Currently, WestJet offers the cheapest flight tickets to Montreal.

Traveling from Seattle-Tacoma International Airport (SEA) to Montreal: what you need to know

Take a direct flight from Seattle-Tacoma International Airport to Montreal and you'll be traveling for around 5 hours 55 minutes.
Montreal is three hours ahead of Seattle, where Seattle-Tacoma International Airport is located. Montreal observes the UTC-5 timezone.
With three weekly flights between the two airports, Seattle-Tacoma International Airport (SEA) to Montreal-Trudeau International Airport (YUL) is the most popular route. Air Canada operates the earliest flight at 07:20. If you prefer to make the most of your day before you fly, the last departure from SEA to YUL is with Air Canada at 07:20.
To avoid missing your SEA to Montreal flight, allow plenty of time to navigate the airport and find your gate. Arriving two hours before international departures and an hour before domestic flights is the general travel rule.
During popular months such as July, it's wise to get to the airport earlier than usual. Plan to arrive two hours before a domestic departure and four hours ahead of international flights whenever you're flying during peak periods in general.
You can book a direct Seattle-Tacoma International Airport to Montreal ticket. Start your journey at SEA and arrive at Montreal-Trudeau International Airport (YUL).
Keep an eye out for offers from Air Canada. This carrier has direct flights from Seattle-Tacoma International Airport to Montreal.
Think about adding a stopover to potentially save on your plane ticket from SEA to Montreal. All you need to do is uncheck 'Direct flights only' during your search. Give yourself a breather (and maybe even a better deal) by stopping at one of these popular options:
- Minneapolis-Saint Paul International Airport (MSP)
- Vancouver International Airport (YVR)
- Calgary International Airport (YYC)
Located around 18 kilometers from the center of Seattle, SEA can be reached in about 25 minutes by car. The journey on public transport takes roughly 35 minutes.
Want a leisurely start to your travels? Stay near SEA. Whether you've booked an early flight from Seattle-Tacoma International Airport to Montreal or want to avoid feeling rushed, these hotels are worth a look:
Seattle-Tacoma International Airport maintains a strong on-time record, reducing your chances of a delayed flight. Departures from SEA make it to their destination as scheduled 80% of the time.

How to find the cheapest flights from Seattle-Tacoma International Airport (SEA) to Montreal

AED 477 is currently the best price for a one-way Seattle-Tacoma International Airport to Montreal flight. A return plane ticket starts at AED 1,142. These fares may change based on availability.
Booking in advance is often the key to securing a cheap flight from SEA to Montreal. Prices tend to rise as demand increases, so the closer your departure date, the more you'll likely spend on your ticket.
If you can be flexible with your travel plans, check out the 'Whole month' tool. It'll give you the lowest price across every month when searching for a Seattle-Tacoma International Airport to Montreal ticket.
You don't need to keep checking in to find out if fares have dropped when you set up a Price Alert. We'll notify you as soon as there's an even bigger deal on cheap flights from SEA to Montreal.
Save on your flight from Seattle-Tacoma International Airport to Montreal with the help of our filters. Choose your ideal times, number of stops and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Montreal

Montreal-Trudeau International Airport (YUL)

The distance from Montreal-Trudeau International Airport (YUL) to central Montreal is roughly 19 kilometers. It takes about 25 minutes to get to the center driving.
If you're taking public transport, expect a journey time of around 45 minutes.
The last thing you need is a long journey to your hotel if you're landing late on a flight from Seattle-Tacoma International Airport to Montreal. Reserve one of these accommodation options near YUL instead:
Reserving your ride from Montreal-Trudeau International Airport about four weeks ahead of your flight from SEA to Montreal can help you get the lowest rate.
The address for YUL is 975 Romeo Vachon Street North.

Montreal Metropolitan Airport (YHU)

After your flight from Seattle-Tacoma International Airport to Montreal has touched down, you can get to the city center in around 25 minutes by car. Central Montreal is roughly 23 kilometers from Montreal Metropolitan Airport (YHU).
The trip will take roughly 1 hour on public transport.
After stepping off your SEA to Montreal flight, unwind at a hotel near YHU. These are some comfortable options that'll help you get into relaxation mode:
Generally speaking, the earlier you book, the bigger the savings and variety of vehicles. Reserve your ride from YHU as soon as you know your dates.

Best time to go to Montreal

January is the quietest month for flights from Seattle-Tacoma International Airport to Montreal, while July is the busiest. Pick the best time to go to Montreal based on whether you like a laid-back vibe or a more bustling atmosphere.
The warmest month in Montreal is July, with temperatures ranging between 14ºC (57ºF) and 28ºC (82ºF). Book your Seattle-Tacoma International Airport to Montreal plane ticket then if that's your definition of good weather.
January has average temperatures of between -19ºC (-2ºF) and -2ºC (28ºF). Look for a cheap ticket from SEA to Montreal around that time if you like traveling in cooler conditions.

More about Montreal

Start your Montreal trip right by choosing the ideal place to stay. As soon as you've booked your flight from Seattle-Tacoma International Airport to Montreal, browse our range of accommodation options including:
There are so many things to do and see in this city it can be tricky to work out where to start. Montreal Botanical Garden, Cirque du Soleil - KURIOS and Saint Joseph's Oratory of Mount Royal are top sights which should be on every Montreal itinerary.

Explore more of Canada

Toronto is just one of the many cities in Canada waiting to be explored once you've seen the sights of Montreal. Around 499 kilometers away to the southwest, popular attractions include CN Tower, The Top CN Tower and Royal Ontario Museum.
If there's time to check out another great destination in Canada, head for Ottawa, roughly 153 kilometers west of Montreal. Rideau Canal National Historic Site, Parliament Hill and Rideau Canal, Locks 1 - 8 - Ottawa are key reasons to visit.