$144+ Cheap flights from Seattle (SEA) to Banff, Canada
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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYC
Jul 29 — Aug 51
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Banff with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Banff are usually found in October or November, booked 47 days in advance, depart on a Friday or Thursday and return on a Friday
Cheap flight deals from Seattle to Banff
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to BanffExplore the most affordable flight options available from Seattle to Banff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 29, 2026.
Explore the most affordable flight options available from Seattle to Banff. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:35 pm
SEA
- YYC
Nonstop1h 40m
WestJet
Tue 9/155:50 pm
YYC
- SEA
Nonstop1h 55m
WestJet
Deal found 6/24![WestJet logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2710:30 am
SEA
- YYC
Nonstop1h 40m
WestJet
Tue 9/298:45 am
YYC
- SEA
Nonstop1h 55m
WestJet
Deal found 6/24![WestJet logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:30 am
SEA
- YYC
Nonstop1h 40m
WestJet
Mon 9/218:45 am
YYC
- SEA
Nonstop1h 55m
WestJet
Deal found 6/24![WestJet logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:35 pm
SEA
- YYC
Nonstop1h 40m
WestJet
Mon 9/145:50 pm
YYC
- SEA
Nonstop1h 55m
WestJet
Deal found 6/25![WestJet logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:35 pm
SEA
- YYC
Nonstop1h 40m
WestJet
Mon 10/55:50 pm
YYC
- SEA
Nonstop1h 55m
WestJet
Deal found 6/26![WestJet logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/103:10 pm
SEA
- YYC
Nonstop2h 40m
WestJet
Sun 11/221:25 pm
YYC
- SEA
Nonstop0h 55m
WestJet
Deal found 6/24![WestJet logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:30 am
SEA
- YYC
Nonstop1h 40m
WestJet
Mon 9/218:45 am
YYC
- SEA
Nonstop1h 55m
WestJet
Deal found 6/24![WestJet logo]()
$312
This deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/37:35 pm
SEA
- YYC
Nonstop1h 40m
WestJet
Fri 7/108:45 am
YYC
- SEA
Nonstop1h 55m
WestJet
Deal found 6/25![WestJet logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:30 am
SEA
- YYC
Nonstop1h 40m
WestJet
Sun 9/205:50 pm
YYC
- SEA
Nonstop1h 55m
WestJet
Deal found 6/27![WestJet logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:35 pm
SEA
- YYC
Nonstop1h 40m
WestJet
Sun 9/275:50 pm
YYC
- SEA
Nonstop1h 55m
WestJet
Deal found 6/28![WestJet logo]()
$317
This deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:30 am
SEA
- YYC
Nonstop1h 40m
WestJet
Thu 7/98:45 am
YYC
- SEA
Nonstop1h 55m
WestJet
Deal found 6/25![WestJet logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:30 am
SEA
- YYC
Nonstop1h 40m
WestJet
Sun 9/205:50 pm
YYC
- SEA
Nonstop1h 55m
WestJet
Deal found 6/24![WestJet logo]()
$319
Best flights from Seattle to BanffDiscover carefully curated flight deals from Seattle to Banff that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 29, 2026.
Discover carefully curated flight deals from Seattle to Banff that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 29, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:35 pm
SEA
- YYC
Nonstop1h 35m
Alaska Airlines
Tue 10/67:00 pm
YYC
- SEA
Nonstop1h 49m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$373
This United deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:35 pm
SEA
- YYC
1 stop15h 28m
Multiple Airlines
Sun 11/226:00 am
YYC
- SEA
1 stop4h 27m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$392
This United Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:40 am
SEA
- YYC
1 stop8h 50m
United Airlines
Tue 9/221:41 pm
YYC
- SEA
1 stop8h 02m
United Airlines
Deal found 6/24![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/253:10 pm
SEA
- YYC
Nonstop1h 40m
Delta
Thu 10/2912:00 pm
YYC
- SEA
1 stop5h 35m
Delta
Deal found 6/26![Delta logo]()
$451
This United deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:35 pm
SEA
- YYC
1 stop15h 28m
Multiple Airlines
Thu 11/264:55 pm
YYC
- SEA
2 stops6h 02m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$407
This United deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:40 am
SEA
- YYC
1 stop8h 50m
Multiple Airlines
Mon 9/213:50 pm
YYC
- SEA
2 stops7h 52m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:35 pm
SEA
- YYC
Nonstop1h 40m
Delta
Sat 10/1711:05 am
YYC
- SEA
1 stop6h 30m
Delta
Deal found 6/24![Delta logo]()
$456
This United deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:00 am
SEA
- YYC
1 stop12h 30m
Multiple Airlines
Tue 9/229:20 am
YYC
- SEA
2 stops10h 12m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$420
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/219:20 am
SEA
- YYC
1 stop3h 55m
Delta
Mon 7/278:45 am
YYC
- SEA
Nonstop1h 55m
Delta
Deal found 6/28![Delta logo]()
$510
This United deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/295:15 am
SEA
- YYC
1 stop6h 15m
Multiple Airlines
Thu 8/69:20 am
YYC
- SEA
2 stops6h 02m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$427
This United deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:00 am
SEA
- YYC
1 stop15h 48m
Multiple Airlines
Sun 7/2612:30 pm
YYC
- SEA
2 stops11h 12m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$446
Last-minute flights from Seattle to BanffDiscover last-minute flight deals from Seattle to Banff. Data last updated June 29, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Banff. Data last updated June 29, 2026 and is based on user searches.
This deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/297:35 pm
SEA
- YYC
Nonstop1h 40m
WestJet
Fri 7/108:45 am
YYC
- SEA
Nonstop1h 55m
WestJet
Deal found 6/25![WestJet logo]()
$338
This deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2910:30 am
SEA
- YYC
Nonstop1h 40m
WestJet
Sat 7/118:45 am
YYC
- SEA
Nonstop1h 55m
WestJet
Deal found 6/25![WestJet logo]()
$343
This deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:35 pm
SEA
- YYC
Nonstop1h 40m
WestJet
Thu 7/98:45 am
YYC
- SEA
Nonstop1h 55m
WestJet
Deal found 6/25![WestJet logo]()
$341
This deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:00 am
SEA
- YYC
Nonstop1h 50m
WestJet
Thu 7/98:45 am
YYC
- SEA
Nonstop1h 55m
WestJet
Deal found 6/25![WestJet logo]()
$350
This deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:00 am
SEA
- YYC
Nonstop1h 50m
WestJet
Wed 7/88:45 am
YYC
- SEA
Nonstop1h 55m
WestJet
Deal found 6/25![WestJet logo]()
$352
This deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/37:35 pm
SEA
- YYC
Nonstop1h 40m
WestJet
Fri 7/108:45 am
YYC
- SEA
Nonstop1h 55m
WestJet
Deal found 6/25![WestJet logo]()
$313
This deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:30 am
SEA
- YYC
Nonstop1h 40m
WestJet
Thu 7/98:45 am
YYC
- SEA
Nonstop1h 55m
WestJet
Deal found 6/25![WestJet logo]()
$318
This Justfly.com deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/187:35 pm
SEA
- YYC
Nonstop1h 40m
WestJet
Fri 10/98:45 am
YYC
- SEA
Nonstop1h 55m
WestJet
Deal found 6/26![WestJet logo]()
$346
This Flightnetwork deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2310:45 am
SEA
- YYC
1 stop6h 25m
Air Canada
Mon 7/273:50 pm
YYC
- SEA
2 stops7h 52m
Air Canada
Deal found 6/26![Air Canada logo]()
$345
This Flightnetwork deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/265:45 am
SEA
- YYC
2 stops8h 17m
Air Canada
Sun 8/23:05 pm
YYC
- SEA
1 stop4h 27m
Air Canada
Deal found 6/28![Air Canada logo]()
$336
One-way flights from Seattle to BanffSearch for one-way flight options from Seattle to Banff. Find affordable one-way fares based on user searches. Data last updated June 29, 2026.
Search for one-way flight options from Seattle to Banff. Find affordable one-way fares based on user searches. Data last updated June 29, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:35 pm
SEA
- YYC
Nonstop1h 40m
WestJet
Deal found 6/25![WestJet logo]()
$144
This Super.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:35 pm
SEA
- YYC
Nonstop1h 40m
WestJet
Deal found 6/25![WestJet logo]()
$147
This Mytrip deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:50 am
SEA
- YYC
2 stops8h 12m
Air Canada
Deal found 6/29![Air Canada logo]()
$149
This Cheapflightsfares deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:35 pm
SEA
- YYC
Nonstop1h 40m
WestJet
Deal found 6/28![WestJet logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:30 am
SEA
- YYC
Nonstop1h 40m
WestJet
Deal found 6/25![WestJet logo]()
$151
This Gotogate deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:50 am
SEA
- YYC
2 stops8h 12m
Air Canada
Deal found 6/28![Air Canada logo]()
$152
This Priceline deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:10 pm
SEA
- YYC
Nonstop1h 36m
Alaska Airlines
Deal found 6/24![Alaska Airlines logo]()
$157
This Flightnetwork deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/135:45 am
SEA
- YYC
2 stops8h 17m
Air Canada
Deal found 6/26![Air Canada logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:35 pm
SEA
- YYC
Nonstop1h 40m
WestJet
Deal found 6/25![WestJet logo]()
$159
Find flight deals from Seattle to Banff
Keep the following information in mind while searching for Seattle to Banff flight deals. Data was last updated June 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $300 (Kiwi.com) |
One-way from | $144 (Cheapflightsfares) |
Popular in | March |
Cheapest in | October |
Average price | $329 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Banff that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 29, 2026.
Use the filters below to find and compare flights from Seattle to Banff that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
SeattleCalgary
SEA - YYC
SEAYYC
Seattle/Tacoma Intl
Sat 10/3
3:35 pm-6:10 pm
Nonstop1h 35m
Calgary
Tue 10/6
7:00 pm-7:49 pm
Nonstop1h 49m
$373
SeattleCalgary
SEA - YYC
SEAYYC
Seattle/Tacoma Intl
Tue 11/10
7:35 pm-12:03 pm
1 stop15h 28m
Calgary
Sun 11/22
6:00 am-9:27 am
1 stop4h 27m
$392
SeattleCalgary
SEA - YYC
SEAYYC
Seattle/Tacoma Intl
Sun 9/20
8:40 am-6:30 pm
1 stop8h 50m
Calgary
Tue 9/22
1:41 pm-8:43 pm
1 stop8h 02m
$399
SeattleCalgary
SEA - YYC
SEAYYC
Seattle/Tacoma Intl
Mon 11/23
7:35 pm-12:03 pm
1 stop15h 28m
Calgary
Thu 11/26
4:55 pm-9:57 pm
2 stops6h 02m
$407
SeattleCalgary
SEA - YYC
SEAYYC
Seattle/Tacoma Intl
Sun 9/20
8:40 am-6:30 pm
1 stop8h 50m
Calgary
Mon 9/21
3:50 pm-10:42 pm
2 stops7h 52m
$413
SeattleCalgary
SEA - YYC
SEAYYC
Seattle/Tacoma Intl
Wed 9/16
5:00 am-6:30 pm
1 stop12h 30m
Calgary
Tue 9/22
9:20 am-6:32 pm
2 stops10h 12m
$420
SeattleCalgary
SEA - YYC
SEAYYC
Seattle/Tacoma Intl
Wed 7/29
5:15 am-12:30 pm
1 stop6h 15m
Calgary
Thu 8/6
9:20 am-2:22 pm
2 stops6h 02m
$427
SeattleCalgary
SEA - YYC
SEAYYC
Seattle/Tacoma Intl
Wed 7/22
5:00 am-9:48 pm
1 stop15h 48m
Calgary
Sun 7/26
12:30 pm-10:42 pm
2 stops11h 12m
$446
SeattleCalgary
SEA - YYC
SEAYYC
Seattle/Tacoma Intl
Sun 10/25
3:10 pm-5:50 pm
Nonstop1h 40m
Calgary
Thu 10/29
12:00 pm-4:35 pm
1 stop5h 35m
$451
SeattleCalgary
SEA - YYC
SEAYYC
Seattle/Tacoma Intl
Wed 10/14
7:35 pm-10:15 pm
Nonstop1h 40m
Calgary
Sat 10/17
11:05 am-4:35 pm
1 stop6h 30m
$456
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Seattle to Banff
Have a flexible travel schedule? Discover the best time to fly to Banff from Seattle with our price prediction graph.
SEA-YYC
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.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Banff
SEA-B4N
SEA-YYC
What is the cheapest time of day to fly from SEA to B4N?
Find hourly flight availability from Seattle to Banff. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 29, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 16% on flights from Seattle to Banff by exploring options for tickets at noon.
Weekly flight availability from Seattle to Banff
Explore weekly flight availability from Seattle to Banff. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 29, 2026.
The most flights from SEA to B4N are scheduled on a Friday (18 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (13 on average).
How much does it cost to fly round-trip from Seattle to Banff?
What is the cheapest day to fly from Seattle to Banff?
Use this chart to determine the cheapest time to fly round-trip from Seattle to Banff. Price data was last updated on June 27, 2026.
Travelers seeking maximum savings on their Seattle to Banff flight should consider departing on Saturday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Banff
Get insights into the airlines that provide service to Banff. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Banff. Reviews last updated June 29, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andWestJet from Seattle to Banff have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Crew
8.5
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
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Seattle and Banff flights
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Top 4 airlines flying from Seattle to Banff
Discover the top 4 airlines that operate flights from Seattle to Banff. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$252 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$114 | Average$270 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$146 | Average$263 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$210 | Average$373 | FlexibilityNo cancel fee | On-time75% |