Wander Wisely with exceptional service, 24/7 supportOpens in a new window
Feel at ease with free flight cancellations within 24 hours of booking
Change your flight without a fee on select flights
Find The Best Dates To Fly
Cheapest Flights from Montreal (YUL) to Seattle (SEA)
The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were CA $620 round trip and CA $325 one way. Prices and availability subject to change. Additional terms may apply.
Fri., 13 Dec. - Sun., 15 Dec.
YUL
Montreal
SEA
Seattle
CA $620 Roundtrip, found 1 day ago
CA $620
Roundtrip
found 1 day ago
Wed., 22 Jan. - Tue., 28 Jan.
YUL
Montreal
SEA
Seattle
CA $630 Roundtrip, found 5 days ago
CA $630
Roundtrip
found 5 days ago
Wed., 8 Jan. - Sat., 11 Jan.
YUL
Montreal
SEA
Seattle
CA $638 Roundtrip, found 3 days ago
CA $638
Roundtrip
found 3 days ago
Wed., 15 Jan. - Tue., 4 Feb.
YUL
Montreal
SEA
Seattle
CA $642 Roundtrip, found 3 days ago
CA $642
Roundtrip
found 3 days ago
Tue., 28 Jan. - Sun., 2 Feb.
YUL
Montreal
SEA
Seattle
CA $645 Roundtrip, found 22 hours ago
CA $645
Roundtrip
found 22 hours ago
Wed., 15 Jan. - Tue., 4 Feb.
YUL
Montreal
SEA
Seattle
CA $651 Roundtrip, found 3 days ago
CA $651
Roundtrip
found 3 days ago
Tue., 28 Jan. - Sun., 2 Feb.
YUL
Montreal
SEA
Seattle
CA $653 Roundtrip, found 22 hours ago
CA $653
Roundtrip
found 22 hours ago
Wed., 5 Feb. - Tue., 11 Feb.
YUL
Montreal
SEA
Seattle
CA $654 Roundtrip, found 2 days ago
CA $654
Roundtrip
found 2 days ago
Wed., 15 Jan. - Sat., 18 Jan.
YUL
Montreal
SEA
Seattle
CA $657 Roundtrip, found 5 days ago
CA $657
Roundtrip
found 5 days ago
Wed., 15 Jan. - Sat., 18 Jan.
YUL
Montreal
SEA
Seattle
CA $664 Roundtrip, found 5 days ago
CA $664
Roundtrip
found 5 days ago
Best Seattle - Tacoma Intl. Flight and Hotel Packages
Seattle - Tacoma Intl. flight + hotel packages - economy flights
Price found within the past 48 hours. Click for updated prices.
Don't see what you're looking for?
See all available trips from Pierre Elliott Trudeau Intl. to Seattle - Tacoma Intl.
View all tripsFrequently asked questions
Popular Flight Routes from Montreal (YUL)
Travelers at YUL love to visit these top cities. Roam to the top destinations from Montreal (YUL) today with the cheap prices from Travelocity!
Popular Flight Routes from Seattle (SEA)
Travelers at SEA love to visit these top cities. Roam to the top destinations from Seattle(SEA) today with the cheap prices from Travelocity!
Top Airlines Routes To SEA
- WestJet Ottawa to Seattle
- WestJet Calgary to Seattle
- Alaska Airlines Los Angeles to Seattle
- WestJet Kelowna to Seattle
- Alaska Airlines Detroit to Seattle
- WestJet Winnipeg to Seattle
- WestJet Victoria to Seattle
- Alaska Airlines New York to Seattle
- WestJet Vancouver to Seattle
- WestJet Abbotsford to Seattle
Most Popular
Flights
Calgary to Dallas (YYC - DFW)Vancouver to Palm Springs (YVR - PSP)Vancouver to Las Vegas (YVR - LAS)Detroit to Dallas (DTW - DFW)Calgary to San Diego (YYC - SAN)Montreal to Fort Lauderdale (YUL - FLL)Vancouver to Fort Lauderdale (YVR - FLL)Buffalo to Dallas (BUF - DFW)Air Canada Fort Lauderdale (FLL) to Toronto (YYZ) flightsBellingham to Las Vegas (BLI - LAS)Delta Detroit (DTW) to Las Vegas (LAS) flightsJetBlue Airways Buffalo (BUF) to Boston (BOS) flightsDetroit to Fort Lauderdale (DTW - FLL)Fort Lauderdale to Toronto (FLL - YYZ)Vancouver to San Diego (YVR - SAN)Vancouver to Dallas (YVR - DFW)Toronto to Dallas (YYZ - DFW)JetBlue Airways Buffalo (BUF) to Fort Lauderdale (FLL) flightsAir Canada Toronto (YYZ) to Las Vegas (LAS) flightsWestJet Edmonton (YEG) to Las Vegas (LAS) flightsToronto to Pittsburgh (YYZ - PIT)Toronto to New York (YYZ - NYC)Toronto to Philadelphia (YYZ - PHL)Dallas to Toronto (DFW - YYZ)Air Canada Toronto (YYZ) to Fort Lauderdale (FLL) flightsToronto to Las Vegas (YYZ - LAS)Swoop Abbotsford (YXX) to Las Vegas (LAS) flightsWestJet Calgary (YYC) to Palm Springs (PSP) flightsAir Canada Toronto (YYZ) to San Diego (SAN) flightsDelta Buffalo (BUF) to Las Vegas (LAS) flights