$153+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYC
Sep 17 — Sep 241
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 Thursday
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 August 18, 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 August 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/47:00 am -
Nonstop1h 50m
Sat 9/55:50 pm -
Nonstop1h 55m
Deal found 8/17![WestJet logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 11/235:51 pm -
Nonstop2h 42m
Thu 11/261:45 pm -
Nonstop0h 55m
Deal found 8/18![Multiple Airlines logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 11/235:51 pm -
Nonstop2h 42m
Fri 11/271:45 pm -
Nonstop0h 55m
Deal found 8/18![Multiple Airlines logo]()
$261
This Trip.com deal was found by Cheapflights users on 8/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:30 am -
Nonstop1h 40m
Wed 10/281:25 pm -
Nonstop1h 55m
Deal found 8/15![WestJet logo]()
$262
This Jettzy deal was found by Cheapflights users on 8/17. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:30 am -
Nonstop1h 40m
Thu 10/88:45 am -
Nonstop1h 55m
Deal found 8/17![WestJet logo]()
$263
This Booking.com deal was found by Cheapflights users on 8/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:30 am -
Nonstop1h 40m
Wed 9/163:50 pm -
2 stops7h 57m
Deal found 8/17![Multiple Airlines logo]()
$264
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:35 pm -
Nonstop1h 40m
Sat 10/178:45 am -
Nonstop1h 55m
Deal found 8/13![WestJet logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/148:10 pm -
Nonstop1h 36m
Mon 9/288:45 am -
Nonstop1h 55m
Deal found 8/13![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/47:00 am -
Nonstop1h 50m
Mon 9/78:45 am -
Nonstop1h 55m
Deal found 8/17![WestJet logo]()
$267
This Jettzy deal was found by Cheapflights users on 8/17. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:35 pm -
Nonstop1h 40m
Wed 9/306:50 am -
1 stop4h 15m
Deal found 8/17![Multiple Airlines logo]()
$268
This CheapTickets.ch deal was found by Cheapflights users on 8/16. 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 CheapTickets.ch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:50 am -
1 stop4h 39m
Sun 9/208:45 am -
Nonstop1h 55m
Deal found 8/16![Multiple Airlines logo]()
$269
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 August 18, 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 August 18, 2026.
This Flightnetwork deal was found by Cheapflights users on 8/13. 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 9/203:00 pm -
1 stop4h 39m
Fri 9/259:20 am -
2 stops10h 12m
Deal found 8/13![Air Canada logo]()
$285
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Tue 9/228:40 am -
1 stop8h 50m
Wed 9/236:00 am -
1 stop10h 52m
Deal found 8/17![United Airlines logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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.
Sun 10/258:02 am -
Nonstop1h 41m
Thu 10/297:00 pm -
Nonstop1h 49m
Deal found 8/17![Alaska Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/2510:30 am -
Nonstop1h 40m
Mon 9/282:50 pm -
1 stop10h 09m
Deal found 8/13![Multiple Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 8/16. 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.
Thu 9/177:35 pm -
Nonstop1h 40m
Sun 9/208:45 am -
Nonstop1h 55m
Deal found 8/16![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 8/15. 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 9/207:35 pm -
Nonstop1h 40m
Fri 9/255:50 pm -
Nonstop1h 55m
Deal found 8/15![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Sat 9/125:00 am -
1 stop7h 53m
Sat 9/191:41 pm -
1 stop5h 48m
Deal found 8/15![United Airlines logo]()
$348
This Delta deal was found by Cheapflights users on 8/15. 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.
Fri 9/257:35 pm -
Nonstop1h 40m
Wed 9/301:00 pm -
1 stop4h 53m
Deal found 8/15![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Wed 9/305:00 am -
1 stop7h 53m
Wed 10/73:22 pm -
1 stop9h 04m
Deal found 8/16![United Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 8/14. 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 9/67:00 am -
Nonstop1h 50m
Wed 9/911:35 pm -
1 stop9h 00m
Deal found 8/14![Delta logo]()
$368
Last-minute flights from Seattle to BanffDiscover last-minute flight deals from Seattle to Banff. Data last updated August 18, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Banff. Data last updated August 18, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 8/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:10 pm -
Nonstop1h 36m
Sat 9/128:45 am -
Nonstop1h 55m
Deal found 8/15![Multiple Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/47:00 am -
Nonstop1h 50m
Sat 9/55:50 pm -
Nonstop1h 55m
Deal found 8/17![WestJet logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/47:00 am -
Nonstop1h 50m
Mon 9/78:45 am -
Nonstop1h 55m
Deal found 8/17![WestJet logo]()
$267
This Booking.com deal was found by Cheapflights users on 8/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:30 am -
Nonstop1h 40m
Wed 9/163:50 pm -
2 stops7h 57m
Deal found 8/17![Multiple Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/148:10 pm -
Nonstop1h 36m
Mon 9/288:45 am -
Nonstop1h 55m
Deal found 8/13![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/148:10 pm -
Nonstop1h 36m
Mon 9/218:45 am -
Nonstop1h 55m
Deal found 8/17![Multiple Airlines logo]()
$272
This CheapTickets.ch deal was found by Cheapflights users on 8/16. 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 CheapTickets.ch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:50 am -
1 stop4h 39m
Sun 9/208:45 am -
Nonstop1h 55m
Deal found 8/16![Multiple Airlines logo]()
$269
This Flightnetwork deal was found by Cheapflights users on 8/15. 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 9/207:35 pm -
Nonstop1h 40m
Fri 9/255:50 pm -
Nonstop1h 55m
Deal found 8/15![WestJet logo]()
$271
This Gotogate deal was found by Cheapflights users on 8/17. 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.
Sun 9/203:00 pm -
1 stop4h 39m
Fri 9/259:20 am -
2 stops10h 12m
Deal found 8/17![Air Canada logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 9/238:10 pm -
Nonstop1h 36m
Sun 9/278:45 am -
Nonstop1h 55m
Deal found 8/14![Multiple Airlines logo]()
$273
This Jettzy deal was found by Cheapflights users on 8/17. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:35 pm -
Nonstop1h 40m
Wed 9/306:50 am -
1 stop4h 15m
Deal found 8/17![Multiple Airlines logo]()
$268
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 August 18, 2026.
Search for one-way flight options from Seattle to Banff. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
This Air Canada deal was found by Cheapflights users on 8/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:00 pm -
1 stop5h 59m
Deal found 8/14![Air Canada logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/910:59 pm -
2 stops20h 36m
Deal found 8/18![Multiple Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/1510:57 am -
1 stop10h 03m
Deal found 8/17![Multiple Airlines logo]()
$156
This Booking.com deal was found by Cheapflights users on 8/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:05 pm -
1 stop14h 59m
Deal found 8/15![Air Canada logo]()
$158
This Booking.com deal was found by Cheapflights users on 8/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/113:35 pm -
Nonstop1h 35m
Deal found 8/14![Alaska Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/1310:59 pm -
2 stops13h 01m
Deal found 8/17![Multiple Airlines logo]()
$162
This Air Canada deal was found by Cheapflights users on 8/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/113:00 pm -
1 stop3h 49m
Deal found 8/13![Air Canada logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/810:59 pm -
2 stops20h 36m
Deal found 8/18![Multiple Airlines logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/2810:59 pm -
2 stops20h 36m
Deal found 8/17![Multiple Airlines logo]()
$166
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 August 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $259 (Kiwi.com) |
One-way from | $153 (Air Canada) |
Popular in | July |
Cheapest in | October |
Average price | $360 |
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 August 18, 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
SeattleCalgary
SEA Seattle/Tacoma Intl - YYC Calgary
SEAYYC
Seattle/Tacoma Intl
Sun 9/20
3:00 pm-8:39 pm
1 stop4h 39m
Calgary
Fri 9/25
9:20 am-6:32 pm
2 stops10h 12m
$285
SeattleCalgary
SEA Seattle/Tacoma Intl - YYC Calgary
SEAYYC
Seattle/Tacoma Intl
Tue 9/22
8:40 am-6:30 pm
1 stop8h 50m
Calgary
Wed 9/23
6:00 am-3:52 pm
1 stop10h 52m
$313
Quickest round-trip
SeattleCalgary
SEA Seattle/Tacoma Intl - YYC Calgary
SEAYYC
Seattle/Tacoma Intl
Sun 10/25
8:02 am-10:43 am
Nonstop1h 41m
Calgary
Thu 10/29
7:00 pm-7:49 pm
Nonstop1h 49m
$318
SeattleCalgary
SEA Seattle/Tacoma Intl - YYC Calgary
SEAYYC
Seattle/Tacoma Intl
Fri 9/25
10:30 am-1:10 pm
Nonstop1h 40m
Calgary
Mon 9/28
2:50 pm-11:59 pm
1 stop10h 09m
$319
SeattleCalgary
SEA Seattle/Tacoma Intl - YYC Calgary
SEAYYC
Seattle/Tacoma Intl
Thu 9/17
7:35 pm-10:15 pm
Nonstop1h 40m
Calgary
Sun 9/20
8:45 am-9:40 am
Nonstop1h 55m
$344
SeattleCalgary
SEA Seattle/Tacoma Intl - YYC Calgary
SEAYYC
Seattle/Tacoma Intl
Sun 9/20
7:35 pm-10:15 pm
Nonstop1h 40m
Calgary
Fri 9/25
5:50 pm-6:45 pm
Nonstop1h 55m
$344
SeattleCalgary
SEA Seattle/Tacoma Intl - YYC Calgary
SEAYYC
Seattle/Tacoma Intl
Sat 9/12
5:00 am-1:53 pm
1 stop7h 53m
Calgary
Sat 9/19
1:41 pm-6:29 pm
1 stop5h 48m
$348
SeattleCalgary
SEA Seattle/Tacoma Intl - YYC Calgary
SEAYYC
Seattle/Tacoma Intl
Fri 9/25
7:35 pm-10:15 pm
Nonstop1h 40m
Calgary
Wed 9/30
1:00 pm-4:53 pm
1 stop4h 53m
$349
SeattleCalgary
SEA Seattle/Tacoma Intl - YYC Calgary
SEAYYC
Seattle/Tacoma Intl
Sun 9/6
7:00 am-9:50 am
Nonstop1h 50m
Calgary
Wed 9/9
11:35 pm-7:35 am
1 stop9h 00m
$368
SeattleCalgary
SEA Seattle/Tacoma Intl - YYC Calgary
SEAYYC
Seattle/Tacoma Intl
Wed 9/30
5:00 am-1:53 pm
1 stop7h 53m
Calgary
Wed 10/7
3:22 pm-11:26 pm
1 stop9h 04m
$378
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 August 18, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 27% 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 August 18, 2026.
The most flights from SEA to B4N are scheduled on a Friday (16 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost to fly round-trip from Seattle to Banff?
Airfare is typical for this route at the moment.
Seattle to Banff flights typically cost between $234 and $508 in September.The cheapest round-trip price found within the last 5 days was $259 on WestJet (Sep 4-Sep 5).
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 August 15, 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 August 18, 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.
Food
7.0
Entertainment
7.0
Crew
8.5
Boarding
8.1
Comfort
7.8
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Food
7.0
Entertainment
7.0
Crew
8.5
Boarding
8.1
Comfort
7.8
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Food
7.0
Entertainment
7.0
Crew
8.5
Boarding
8.1
Comfort
7.8
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Food
7.0
Entertainment
7.0
Crew
8.5
Boarding
8.1
Comfort
7.8
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Food
7.0
Entertainment
7.0
Crew
8.5
Boarding
8.1
Comfort
7.8
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
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Top 4 airlines flying from Seattle to Banff
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$259 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$114 | Average$252 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$145 | Average$287 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$222 | Average$402 | FlexibilityNo cancel fee | On-time75% |