Question 1

Which is the best airline for flights from Montreal to Seattle, Delta or United Airlines?

Accepted Answer

The two airlines most popular with KAYAK users for flights from Montreal to Seattle are Delta and United Airlines. With an average price for the route of C$ 742 and an overall rating of 7.8, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of C$ 868 and an overall rating of 7.4.

Question 2

How long does a flight from Montreal to Seattle take?

Accepted Answer

There are no direct flights from Montreal to Seattle. The quickest journey takes 6h 27m.

Question 3

What is the cheapest flight from Montreal Pierre Elliott Trudeau Intl Airport to Seattle?

Accepted Answer

In the last 5 days, the lowest price for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Seattle was C$ 258 for a one-way ticket and C$ 384 for a round-trip.

Question 4

What’s the cheapest day of the week to fly from Montreal to Seattle?

Accepted Answer

If you are looking for a flight deal from Montreal to Seattle, look for departures on Wednesdays and avoid leaving on a Monday, as it's usually the priciest day. When flying back from Seattle, Sunday is the cheapest day to fly and Saturday is the most expensive.

Question 5

What’s the cheapest day of the week to fly from Montreal to Seattle?

Accepted Answer

If you are looking for a flight deal from Montreal to Seattle, look for departures on Wednesdays and avoid leaving on a Monday, as it's usually the priciest day. When flying back from Seattle, Sunday is the cheapest day to fly and Saturday is the most expensive.

Question 6

Which airlines fly direct between Montreal Pierre Elliott Trudeau Intl Airport and Seattle?

Accepted Answer

There are 2 airlines that fly direc from Montreal Pierre Elliott Trudeau Intl Airport to Seattle. They are Air Canada and United Airlines. The cheapest airline for this route is United Airlines, with the best round-trip deal found costing C$ 501. On average, the best prices for this route can be found at Air Canada.

Question 7

Which airlines fly direct between Montreal Pierre Elliott Trudeau Intl Airport and Seattle?

Accepted Answer

There are 2 airlines that fly direc from Montreal Pierre Elliott Trudeau Intl Airport to Seattle. They are Air Canada and United Airlines. The cheapest airline for this route is United Airlines, with the best round-trip deal found costing C$ 501. On average, the best prices for this route can be found at Air Canada.

Question 8

Which aircraft models fly most regularly from Montreal to Seattle?

Accepted Answer

The Airbus A220-300 is the aircraft model that flies most regularly on the Montreal to Seattle flight route.

Question 9

Which airline alliances offer flights from Montreal to Seattle?

Accepted Answer

oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Montreal and Seattle, with oneworld being the most commonly used for this route.

Question 10

What is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to Seattle?

Accepted Answer

The cheapest month for flights from Montreal Pierre Elliott Trudeau Intl Airport to Seattle is February, where tickets cost C$ 581 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is C$ 851 and C$ 804 respectively.

Question 11

What is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to Seattle?

Accepted Answer

The cheapest month for flights from Montreal Pierre Elliott Trudeau Intl Airport to Seattle is February, where tickets cost C$ 581 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is C$ 851 and C$ 804 respectively.

Question 12

How does KAYAK find such low prices on flights from Montreal to Seattle?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Montreal to Seattle.

Question 13

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Montreal to Seattle?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Montreal is likely to change within 7 days, so travellers know whether to wait or book now.

Question 14

What is the Hacker Fare option on flights from Montreal to Seattle?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Montreal with another airline.

Question 15

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Montreal to Seattle?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Montreal up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Question 16

What is the cheapest layover airport when flying from Montreal to Seattle?

Accepted Answer

Flights via Dallas (DFW) offer the most affordable fares, with an average round-trip price of C$ 466.

Question 17

What is the most popular layover airport when flying from Montreal to Seattle?

Accepted Answer

Toronto (YYZ) is the top choice – 40% of KAYAK users who clicked on one-stop flights from Montreal to Seattle picked an itinerary connecting there.

Question 18

Which layover airport has the quickest connection when flying from Montreal to Seattle?

Accepted Answer

If you prefer a quick connection, Chicago (ORD) often has the shortest layovers from Montreal to Seattle, with an average of 1h 14m.

Question 19

Which layover airport offers the shortest total travel time from Montreal to Seattle?

Accepted Answer

Consider flying via Minneapolis (MSP) for the shortest journey. The average one-way travel time for flights connecting there is 8h 39m.

Question 20

Which cabin class options are there for flights between Montreal Pierre Elliott Trudeau Intl Airport and Seattle?

Accepted Answer

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 21

Which cabin class options are there for flights between Montreal Pierre Elliott Trudeau Intl Airport and Seattle?

Accepted Answer

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 22

Which airlines provide the cheapest flights from Montreal to Seattle?

Accepted Answer

In the past 5 days, the cheapest round-trip tickets from Montreal to Seattle were found on WestJet (C$ 384) and Air Canada (C$ 475).

Question 23

Which airlines provide the cheapest flights from Montreal to Seattle?

Accepted Answer

In the past 5 days, the cheapest round-trip tickets from Montreal to Seattle were found on WestJet (C$ 384) and Air Canada (C$ 475).

Question 24

How far in advance should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Seattle?

Accepted Answer

To get a below average price on the flight from Montreal Pierre Elliott Trudeau Intl Airport to Seattle, you should book around 4 weeks before departure, which saves you about 35% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Question 25

How far in advance should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Seattle?

Accepted Answer

To get a below average price on the flight from Montreal Pierre Elliott Trudeau Intl Airport to Seattle, you should book around 4 weeks before departure, which saves you about 35% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Question 26

Can I save money by flying with a layover from Montreal Pierre Elliott Trudeau Intl Airport to Seattle?

Accepted Answer

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at C$ 559 on average.

Question 27

Can I save money by flying with a layover from Montreal Pierre Elliott Trudeau Intl Airport to Seattle?

Accepted Answer

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at C$ 559 on average.

Question 28

How much is a round-trip flight from Montreal Pierre Elliott Trudeau Intl Airport to Seattle?

Accepted Answer

Flight prices are below average for this route right now.Flights to Seattle from Montreal Pierre Elliott Trudeau Intl Airport usually cost between C$ 578 and C$ 855 in October.
The lowest price found in the past 5 days was C$ 472 on WestJet (3 Oct–10 Oct).

Question 29

What are the most popular airlines flying to Seattle?

Accepted Answer

The most popular airline among KAYAK users flying to Seattle is Air Canada, followed by WestJet and United Airlines.

Low season	February
High season	July
Cheapest flight	C$ 273

YUL - SEA

C$ 273 Find Cheap Flights from Montreal to Seattle – Compare and Save

Everything you should know

Cheap Flights from Montreal to Seattle (YUL-SEA)

Recent round-trip flight deals from Montreal to Seattle

Recent one-way flight deals from Montreal to Seattle

Recent last minute flight deals from Montreal to Seattle

KAYAK's insights & trends for Montreal to Seattle flights

How much is a round-trip flight from Montreal Pierre Elliott Trudeau Intl Airport to Seattle?

What’s the cheapest day of the week to fly from Montreal to Seattle?

What is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to Seattle?

Can I save money by flying with a layover from Montreal Pierre Elliott Trudeau Intl Airport to Seattle?

How far in advance should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Seattle?

Which airlines provide the cheapest flights from Montreal to Seattle?

Which airlines fly direct between Montreal Pierre Elliott Trudeau Intl Airport and Seattle?

What is the most popular layover airport when flying from Montreal to Seattle?

What is the cheapest layover airport when flying from Montreal to Seattle?

Which layover airport offers the shortest total travel time from Montreal to Seattle?

Which layover airport has the quickest connection when flying from Montreal to Seattle?

Which cabin class options are there for flights between Montreal Pierre Elliott Trudeau Intl Airport and Seattle?

How long does a flight from Montreal to Seattle take?

Expert advice for your flight from Montreal to Seattle

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