To Montreal

Cheap Flights from Seattle to Montreal

Browse current best options from Seattle. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Seattle

RatePunk searches hundreds of travel sites at once for deals on flights to Montreal

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Seattle to Montreal

Explore current cheapest deals departing from Seattle to Montreal

Round trip

Sort by: Cheapest

October 18 - October 20

Cheapest

Best

SEA - Montreal

$421

$382

Round trip

October 7 - October 20

Cheapest

SEA - Montreal

$396

$382

Round trip

September 24 - October 20

Cheapest

SEA - Montreal

$378

$382

Round trip

October 4 - October 20

Cheapest

SEA - Montreal

$383

$382

Round trip

October 9 - October 20

Cheapest

SEA - Montreal

$398

$382

Round trip

September 22 - October 20

Cheapest

SEA - Montreal

$378

$382

Round trip

September 22 - September 24

Cheapest

Best

SEA - Montreal

$419

$382

Round trip

September 13 - September 24

Earliest

SEA - Montreal

$380

$390

Round trip

September 22 - October 1

SEA - Montreal

$403

$394

Round trip

September 22 - October 13

SEA - Montreal

$379

$394

Round trip

Unlock all 500+ flight deals to Montreal and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Seattle to Montreal

Flights from Seattle to Montreal cover a distance of 3666 kilometers, classifying this as a medium-haul journey. Right now, fares to Montreal skew significantly cheaper, with prices currently below the typical level. For travelers seeking cheap flights from Seattle to Montreal, recent fares typically range from $550–$774, with a median price of $657. About 15% of recent fares were classified as a good price, and new deals show up several times a week, suggesting opportunities for savings.

When is the cheapest time to fly from Seattle to Montreal? The data indicates that May is typically the most affordable month, with a median fare of $163. Following closely, April also offers competitive pricing, with a median fare of $187. Travelers can also find more budget-friendly options in July, where the median fare is around $210.

For this route, most itineraries connect at least once, as 0% of recent fares were for direct flights from Seattle to Montreal. When connections are necessary, the typical number of stopovers is 2.

How long is the flight from Seattle to Montreal? A typical journey, including connections, takes approximately 26h 15m. This duration reflects the prevalence of connecting itineraries on this route.

How much is a round trip from Seattle to Montreal

Regular price: $357 - $581

Prices for flights from Seattle to Montreal are currently within the regular range.

The regular price range for flights from Seattle to Montreal is between $357 and $581. The current lowest deal is $382 with WestJet, for travel from Oct 18-Oct 20.

now $382

Low $357

High $581

The cheapest time to fly from Seattle to Montreal

Flights from Seattle to Montreal are cheapest in May, with a median price of $163. The most expensive month to fly is August, with a median price of $1034. Prices are generally lower from January to December.

May

Cheapest

Flights from $163

August

Most Expensive

Flights from $1,034

Jan

Apr

May

Jun

Jul

Aug

Oct

Dec

Direct flights from Seattle to Montreal

Air Canada

Last-minute flights going from Seattle to Montreal

Thu, Jul 2

⌛ Last-Minute

SEA - Montreal

Seattle (SEA) - Montreal (YUL)

WestJet

$447

$435

One-way

Fri, Jul 3

⌛ Last-Minute

SEA - Montreal

Seattle (SEA) - Montreal (YUL)

WestJet

$442

$413

One-way

Fri, Jul 3

⌛ Last-Minute

SEA - Montreal

Seattle (SEA) - Montreal (YUL)

WestJet

$442

$417

One-way

Mon, Jul 13

⌛ Last-Minute

SEA - Montreal

Seattle (SEA) - Montreal (YUL)

WestJet

$398

$424

One-way

Tue, Jul 14

⌛ Last-Minute

SEA - Montreal

Seattle (SEA) - Montreal (YUL)

WestJet

$397

$420

One-way

Sat, Jul 18

⌛ Last-Minute

SEA - Montreal

Seattle (SEA) - Montreal (YUL)

WestJet

$415

$418

One-way

Biggest price drops on these dates for flights from Seattle to Montreal

7 nights

Dec 3 - Dec 10

$473 → $424

10%

2 nights

Oct 18 - Oct 20

$421 → $382

2 nights

Sep 22 - Sep 24

$419 → $382

3 nights

Jul 3 - Jul 6

$442 → $413

Popular Airports to fly from Seattle to Montreal

Seattle - Montreal route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Seattle to Montreal are below the typical level, with deals around $382.

📅 Best time to fly

Fly in May for the best prices

Historically, May has the lowest median price at $163, making it the best month to fly.

⏱️ Flight duration

Connecting flights take 26h 15m

Flights from Seattle to Montreal typically involve connections, with a median duration of 26h 15m.

✈️ Airlines & availability

Connecting flights are dominant

The route from Seattle to Montreal is connecting-dominant, with a median of 2 stopovers.

🏆 Airline highlight

WestJet offers a recent deal

WestJet recently offered a deal for $382 from Seattle to Montreal.

🎯 Booking tip

Deals are available regularly

Deals for flights from Seattle to Montreal are available regularly, about 0.37 per day.

Seattle main airports to depart from

Seattle–Tacoma International (SEA)

Cheapest

Seattle–Tacoma International Airport is a good option for flights from Seattle to Montreal.

📍 ~20 km from Seattle city center (reachable by car or train)

💸 Flights from ~$382

Boeing Field (BFI)

Boeing Field offers another departure point for flights from Seattle to Montreal.

📍 ~10 km from Seattle city center (reachable by car)

💸 Flights from ~$857

Kenmore Air Harbor Seaplane Base (LKE)

Kenmore Air Harbor Seaplane Base is an alternative departure airport for your trip to Montreal.

📍 ~5 km from Seattle city center (reachable by car)

💸 Flights from ~$702

Montreal main airports to arrive at

Montréal–Pierre Elliott Trudeau International (YUL)

Cheapest

Fly into Montreal’s main international airport for convenient access to the city.

📍 ~15 km from city center (reachable by car)

💸 Flights from ~$382

Montreal Saint-Hubert Longueuil (YHU)

Consider this airport for an alternative arrival option in the Montreal area.

📍 ~10 km from city center (reachable by car)

💸 Flights from ~$562

Airports nearby Montreal used as alternative

Montréal–Pierre Elliott Trudeau International (YUL)

This airport is the primary international hub for the Montreal area, offering a full range of cabin classes.

📍 ~15 km from Montreal (reachable by car)

💸 Flights from ~$382

Montreal Saint-Hubert Longueuil (YHU)

This secondary airport is convenient for regional flights and low-cost carriers, with easier parking.

📍 ~13 km from Montreal (reachable by car)

💸 Flights from ~$562

Plattsburgh International (PBG)

Consider this US-based airport for potential cost savings on US domestic flights, despite border crossing.

📍 ~110 km from Montreal (reachable by car)

💸 Flights from ~$529

Ottawa Macdonald–Cartier International (YOW)

This major Canadian international hub is a reliable alternative for domestic and international routes.

📍 ~160 km from Montreal (reachable by car or train)

💸 Flights from ~$425

Burlington International (BTV)

Cheapest

This full-service US regional airport offers good connectivity to major US East Coast hubs.

📍 ~125 km from Montreal (reachable by car)

💸 Flights from ~$369

Business & First Class Flight Deals to Montreal

Discover luxury on the budget with premium cabin class on flights from Seattle to Montreal.

Elite

Best Elite deals to Montreal

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From SEA

Elite

Sep 20

Montreal, Canada

92% AI deal score

$1,523

$758

Save $765

From SEA

Elite

Sep 21

Montreal, Canada

92% AI deal score

$1,532

$758

Save $774

From SEA

Elite

Sep 20

Montreal, Canada

92% AI deal score

$1,516

$759

Save $757

From SEA

Elite

Sep 21

Montreal, Canada

92% AI deal score

$1,523

$759

Save $764

From SEA

Elite

Jul 18

Montreal, Canada

91% AI deal score

$2,647

$1,486

Save $1,161

From SEA

Elite

Aug 20

Montreal, Canada

91% AI deal score

$3,033

$1,487

Save $1,546

From SEA

Elite

Oct 04

Montreal, Canada

91% AI deal score

$1,358

$758

Save $600

From SEA

Elite

Oct 08

Montreal, Canada

91% AI deal score

$1,364

$758

Save $606

From SEA

Elite

Sep 21

Montreal, Canada

91% AI deal score

$1,467

$758

Save $709

From SEA

Elite

Sep 20

Montreal, Canada

91% AI deal score

$1,467

$758

Save $709

From SEA

Elite

Oct 08

Montreal, Canada

91% AI deal score

$1,358

$758

Save $600

From SEA

Elite

Oct 05

Montreal, Canada

91% AI deal score

$1,358

$758

Save $600

From SEA

Elite

Oct 04

Montreal, Canada

91% AI deal score

$1,358

$758

Save $600

From SEA

Elite

Oct 05

Montreal, Canada

91% AI deal score

$1,345

$758

Save $587

From SEA

Elite

Oct 20

Montreal, Canada

91% AI deal score

$1,420

$758

Save $662

From SEA

Elite

Oct 08

Montreal, Canada

91% AI deal score

$1,364

$758

Save $606

From SEA

Elite

Oct 08

Montreal, Canada

91% AI deal score

$1,364

$758

Save $606

From SEA

Elite

Sep 21

Montreal, Canada

91% AI deal score

$1,467

$758

Save $709

From SEA

Elite

Sep 21

Montreal, Canada

91% AI deal score

$1,467

$758

Save $709

From SEA

Elite

Sep 21

Montreal, Canada

91% AI deal score

$1,470

$758

Save $712

From SEA

Elite

Sep 20

Montreal, Canada

91% AI deal score

$1,462

$758

Save $704

From SEA

Elite

Oct 05

Montreal, Canada

91% AI deal score

$1,364

$758

Save $606

From SEA

Elite

Oct 05

Montreal, Canada

91% AI deal score

$1,356

$758

Save $598

From SEA

Elite

Sep 20

Montreal, Canada

91% AI deal score

$1,470

$758

Save $712

From SEA

Elite

Sep 20

Montreal, Canada

91% AI deal score

$1,464

$758

Save $706

From SEA

Elite

Sep 21

Montreal, Canada

91% AI deal score

$1,464

$758

Save $706

From SEA

Elite

Oct 04

Montreal, Canada

91% AI deal score

$1,356

$758

Save $598

From SEA

Elite

Oct 04

Montreal, Canada

91% AI deal score

$1,424

$758

Save $666

From SEA

Elite

Oct 08

Montreal, Canada

91% AI deal score

$1,424

$758

Save $666

From SEA

Elite

Sep 20

Montreal, Canada

91% AI deal score

$1,468

$758

Save $710

From SEA

Elite

Sep 21

Montreal, Canada

91% AI deal score

$1,462

$758

Save $704

From SEA

Elite

Oct 04

Montreal, Canada

91% AI deal score

$1,356

$758

Save $598

From SEA

Elite

Sep 21

Montreal, Canada

91% AI deal score

$1,460

$758

Save $702

From SEA

Elite

Sep 20

Montreal, Canada

91% AI deal score

$1,467

$758

Save $709

From SEA

Elite

Sep 20

Montreal, Canada

91% AI deal score

$1,460

$758

Save $702

From SEA

Elite

Oct 05

Montreal, Canada

91% AI deal score

$1,379

$758

Save $621

From SEA

Elite

Oct 04

Montreal, Canada

91% AI deal score

$1,345

$758

Save $587

From SEA

Elite

Oct 05

Montreal, Canada

91% AI deal score

$1,432

$758

Save $674

From SEA

Elite

Sep 21

Montreal, Canada

91% AI deal score

$1,486

$759

Save $727

From SEA

Elite

Sep 21

Montreal, Canada

91% AI deal score

$1,462

$759

Save $703

From SEA

Elite

Sep 20

Montreal, Canada

91% AI deal score

$1,467

$759

Save $708

From SEA

Elite

Oct 04

Montreal, Canada

91% AI deal score

$1,364

$759

Save $605

From SEA

Elite

Oct 08

Montreal, Canada

91% AI deal score

$1,345

$759

Save $586

From SEA

Elite

Sep 21

Montreal, Canada

91% AI deal score

$1,467

$759

Save $708

From SEA

Elite

Oct 08

Montreal, Canada

91% AI deal score

$1,356

$759

Save $597

From SEA

Elite

Sep 21

Montreal, Canada

91% AI deal score

$1,468

$759

Save $709

From SEA

Elite

Oct 05

Montreal, Canada

91% AI deal score

$1,364

$759

Save $605

From SEA

Elite

Sep 20

Montreal, Canada

91% AI deal score

$1,460

$759

Save $701

From SEA

Elite

Sep 20

Montreal, Canada

91% AI deal score

$1,464

$759

Save $705

From SEA

Elite

Oct 04

Montreal, Canada

91% AI deal score

$1,358

$759

Save $599

From SEA

Elite

Oct 20

Montreal, Canada

91% AI deal score

$1,428

$759

Save $669

From SEA

Elite

Oct 05

Montreal, Canada

91% AI deal score

$1,424

$759

Save $665

From SEA

Elite

Oct 05

Montreal, Canada

91% AI deal score

$1,356

$759

Save $597

From SEA

Elite

Oct 04

Montreal, Canada

91% AI deal score

$1,413

$759

Save $654

From SEA

Elite

Oct 14

Montreal, Canada

91% AI deal score

$1,364

$774

Save $590

From SEA

Elite

Oct 13

Montreal, Canada

91% AI deal score

$1,375

$774

Save $601

From SEA

Elite

Oct 14

Montreal, Canada

91% AI deal score

$1,387

$774

Save $613

From SEA

Elite

Sep 30

Montreal, Canada

91% AI deal score

$1,469

$793

Save $676

From SEA

Elite

Sep 30

Montreal, Canada

91% AI deal score

$1,467

$793

Save $674

From SEA

Elite

Aug 11

Montreal, Canada

90% AI deal score

$2,502

$1,486

Save $1,016

From SEA

Elite

Oct 12

Montreal, Canada

90% AI deal score

$1,354

$774

Save $580

From SEA

Elite

Oct 12

Montreal, Canada

90% AI deal score

$1,363

$774

Save $589

From SEA

Elite

Oct 13

Montreal, Canada

90% AI deal score

$1,363

$774

Save $589

From SEA

Elite

Oct 03

Montreal, Canada

90% AI deal score

$1,356

$793

Save $563

From SEA

Elite

Oct 03

Montreal, Canada

90% AI deal score

$1,359

$793

Save $566

From SEA

Elite

Oct 01

Montreal, Canada

90% AI deal score

$1,358

$793

Save $565

From SEA

Elite

Oct 02

Montreal, Canada

90% AI deal score

$1,356

$793

Save $563

From SEA

Elite

Oct 01

Montreal, Canada

90% AI deal score

$1,359

$793

Save $566

From SEA

Elite

Oct 02

Montreal, Canada

90% AI deal score

$1,359

$793

Save $566

From SEA

Elite

Oct 03

Montreal, Canada

90% AI deal score

$1,358

$793

Save $565

From SEA

Elite

Oct 03

Montreal, Canada

90% AI deal score

$1,358

$793

Save $565

From SEA

Elite

Aug 22

Montreal, Canada

90% AI deal score

$1,402

$794

Save $608

From SEA

Elite

Aug 14

Montreal, Canada

89% AI deal score

$2,485

$1,486

Save $999

From SEA

Elite

Aug 19

Montreal, Canada

89% AI deal score

$2,436

$1,486

Save $950

From SEA

Elite

Aug 25

Montreal, Canada

89% AI deal score

$2,439

$1,486

Save $953

From SEA

Elite

Aug 21

Montreal, Canada

89% AI deal score

$2,434

$1,486

Save $948

From SEA

Elite

Jul 21

Montreal, Canada

89% AI deal score

$2,300

$1,486

Save $814

From SEA

Elite

Jul 07

Montreal, Canada

89% AI deal score

$2,334

$1,486

Save $848

From SEA

Elite

Jul 04

Montreal, Canada

89% AI deal score

$2,350

$1,495

Save $855

From SEA

Elite

Sep 22

Montreal, Canada

89% AI deal score

$2,581

$1,556

Save $1,025

From SEA

Elite

Sep 21

Montreal, Canada

89% AI deal score

$2,545

$1,572

Save $973

From SEA

Elite

Aug 20

Montreal, Canada

88% AI deal score

$2,440

$1,572

Save $868

From SEA

Elite

Aug 26

Montreal, Canada

88% AI deal score

$2,442

$1,572

Save $870

From SEA

Elite

Aug 22

Montreal, Canada

88% AI deal score

$2,434

$1,572

Save $862

From SEA

Elite

Jul 24

Montreal, Canada

88% AI deal score

$2,265

$1,572

Save $693

From SEA

Elite

Aug 13

Montreal, Canada

77% AI deal score

$3,091

$2,416

Save $675

From SEA

Elite

Dec 06

Montreal, Canada

75% AI deal score

$2,713

$2,432

Save $281

From SEA

Elite

Jul 25

Montreal, Canada

71% AI deal score

$2,327

From SEA

Elite

Dec 04

Montreal, Canada

69% AI deal score

$2,794

From SEA

Elite

Aug 19

Montreal, Canada

68% AI deal score

$2,338

From SEA

Elite

Jun 29

Montreal, Canada

67% AI deal score

$2,295

From SEA

Elite

Jun 29

Montreal, Canada

67% AI deal score

$2,295

From SEA

Elite

Jun 28

Montreal, Canada

67% AI deal score

$2,312

From SEA

Elite

Jun 29

Montreal, Canada

67% AI deal score

$2,323

From SEA

Elite

Jun 29

Montreal, Canada

67% AI deal score

$2,325

From SEA

Elite

Aug 11

Montreal, Canada

67% AI deal score

$2,338

From SEA

Elite

Jun 28

Montreal, Canada

67% AI deal score

$2,340

From SEA

Elite

Jun 28

Montreal, Canada

67% AI deal score

$2,342

From SEA

Elite

Aug 24

Montreal, Canada

67% AI deal score

$2,344

From SEA

Elite

Jun 29

Montreal, Canada

67% AI deal score

$2,348

Frequently Asked Questions About Flights to Montreal

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking platforms can often reveal better deals. Setting up price alerts may also help you catch drops in fares.

Booking flights in advance, often several weeks or months before your intended travel date, can sometimes result in lower prices. However, prices can fluctuate, so monitoring fare trends may be beneficial. Mid-week bookings might also offer slight advantages.

Comparing nearby airports at both your origin and destination can sometimes uncover more economical flight options. While it may add to your ground travel, the savings on airfare can occasionally be significant. Always factor in the total cost and convenience.

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