$117+ Cheap flights from Seattle (SEA) to Banff, Canada
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYC
Oct 15 — Oct 221
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 April 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 September 15, 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 September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/157:35 pm -
Nonstop1h 40m
Sun 10/185:50 pm -
Nonstop1h 55m
Deal found 9/11![WestJet logo]()
$223
This Flightnetwork deal was found by Cheapflights users on 9/11. 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.
Fri 10/27:35 pm -
Nonstop1h 40m
Mon 10/53:50 pm -
2 stops7h 57m
Deal found 9/11![Multiple Airlines logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/207:35 pm -
Nonstop1h 40m
Tue 11/31:45 pm -
Nonstop0h 55m
Deal found 9/12![WestJet logo]()
$232
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 September 15, 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 September 15, 2026.
This United deal was found by Cheapflights users on 9/14. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:25 pm -
1 stop15h 54m
Sat 10/247:05 pm -
1 stop4h 42m
Deal found 9/14![Multiple Airlines logo]()
$295
This Air Canada deal was found by Cheapflights users on 9/12. 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.
Sat 10/175:50 am -
1 stop6h 19m
Mon 10/192:05 pm -
1 stop5h 27m
Deal found 9/12![Air Canada logo]()
$297
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:00 am -
1 stop7h 53m
Wed 10/282:06 pm -
2 stops10h 12m
Deal found 9/14![United Airlines logo]()
$310
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/85:52 pm -
Nonstop2h 38m
Sat 2/138:10 am -
Nonstop0h 50m
Deal found 9/13![Alaska Airlines logo]()
$360
This Air Canada deal was found by Cheapflights users on 9/12. 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.
Thu 10/153:00 pm -
1 stop4h 39m
Sun 10/186:50 am -
1 stop4h 15m
Deal found 9/12![Air Canada logo]()
$308
This United deal was found by Cheapflights users on 9/12. 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.
Fri 10/22:27 pm -
1 stop6h 21m
Mon 10/52:05 pm -
1 stop5h 27m
Deal found 9/12![Multiple Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/275:05 am -
1 stop8h 16m
Tue 11/33:06 pm -
1 stop7h 13m
Deal found 9/12![United Airlines logo]()
$311
This United deal was found by Cheapflights users on 9/10. 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 11/185:05 am -
1 stop9h 16m
Thu 11/262:25 pm -
2 stops8h 32m
Deal found 9/10![Multiple Airlines logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 10/208:02 am -
Nonstop1h 41m
Sun 10/257:00 pm -
Nonstop1h 49m
Deal found 9/10![Alaska Airlines logo]()
$361
This United deal was found by Cheapflights users on 9/12. 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 10/285:05 am -
1 stop15h 48m
Sat 10/314:55 pm -
2 stops6h 02m
Deal found 9/12![Multiple Airlines logo]()
$309
Last-minute flights from Seattle to BanffDiscover last-minute flight deals from Seattle to Banff. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Banff. Data last updated September 15, 2026 and is based on user searches.
This Flightnetwork deal was found by Cheapflights users on 9/11. 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.
Fri 10/27:35 pm -
Nonstop1h 40m
Mon 10/53:50 pm -
2 stops7h 57m
Deal found 9/11![Multiple Airlines logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/157:35 pm -
Nonstop1h 40m
Sun 10/185:50 pm -
Nonstop1h 55m
Deal found 9/11![WestJet logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/207:35 pm -
Nonstop1h 40m
Tue 11/31:45 pm -
Nonstop0h 55m
Deal found 9/12![WestJet logo]()
$232
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 September 15, 2026.
Search for one-way flight options from Seattle to Banff. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Wed 10/1410:50 am -
1 stop6h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Air Canada logo]()
$117
This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:00 pm -
1 stop5h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Air Canada logo]()
$123
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/182:30 pm -
Nonstop2h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![WestJet logo]()
$127
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/2412:43 pm -
1 stop8h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$128
This Air Canada deal was found by Cheapflights users on 9/10. 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 10/23:00 pm -
1 stop4h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Air Canada logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/29:45 pm -
2 stops20h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$130
This KAYAK deal was found by Cheapflights users on 9/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:30 am -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$132
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:30 am -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![WestJet logo]()
$133
This WestJet deal was found by Cheapflights users on 9/14. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:30 pm -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![WestJet logo]()
$138
This Orbitz deal was found by Cheapflights users on 9/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:02 am -
Nonstop1h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Alaska Airlines logo]()
$142
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:02 am -
Nonstop1h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Alaska Airlines logo]()
$144
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 September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $223 (Kiwi.com) |
One-way from | $117 (Air Canada) |
Popular in | August |
Cheapest in | April |
Average price | $332 |
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 7,457,451 searches. Data last updated September 15, 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
Thu 10/1
5:50 am-3:02 pm
2 stops8h 12m
Calgary
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$123
SeattleCalgary
SEA Seattle/Tacoma Intl - YYC Calgary
SEAYYC
Seattle/Tacoma Intl
Mon 10/26
7:05 pm-12:49 am
1 stop4h 44m
Calgary
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$123
SeattleCalgary
SEA Seattle/Tacoma Intl - YYC Calgary
SEAYYC
Seattle/Tacoma Intl
Thu 10/29
5:05 am-2:21 pm
1 stop8h 16m
Calgary
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
Quickest round-trip
SeattleCalgary
SEA Seattle/Tacoma Intl - YYC Calgary
SEAYYC
Seattle/Tacoma Intl
Wed 9/23
10:30 am-1:10 pm
Nonstop1h 40m
Calgary
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$132
SeattleCalgary
SEA Seattle/Tacoma Intl - YYC Calgary
SEAYYC
Seattle/Tacoma Intl
Fri 2/26
3:15 pm-11:29 pm
1 stop6h 14m
Calgary
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$149
SeattleCalgary
SEA Seattle/Tacoma Intl - YYC Calgary
SEAYYC
Seattle/Tacoma Intl
Fri 10/9
7:35 pm-10:15 pm
Nonstop1h 40m
Calgary
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$158
SeattleCalgary
SEA Seattle/Tacoma Intl - YYC Calgary
SEAYYC
Seattle/Tacoma Intl
Thu 10/8
7:35 pm-10:15 pm
Nonstop1h 40m
Calgary
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$158
SeattleCalgary
SEA Seattle/Tacoma Intl - YYC Calgary
SEAYYC
Seattle/Tacoma Intl
Tue 10/20
7:25 pm-12:19 pm
1 stop15h 54m
Calgary
Sat 10/24
7:05 pm-10:47 pm
1 stop4h 42m
$295
SeattleCalgary
SEA Seattle/Tacoma Intl - YYC Calgary
SEAYYC
Seattle/Tacoma Intl
Sat 10/17
5:50 am-1:09 pm
1 stop6h 19m
Calgary
Mon 10/19
2:05 pm-6:32 pm
1 stop5h 27m
$297
SeattleCalgary
SEA Seattle/Tacoma Intl - YYC Calgary
SEAYYC
Seattle/Tacoma Intl
Thu 10/15
3:00 pm-8:39 pm
1 stop4h 39m
Calgary
Sun 10/18
6:50 am-10:05 am
1 stop4h 15m
$308
Showing 1-10 of 17 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 September 15, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 23% 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 September 15, 2026.
The most flights from SEA to B4N are scheduled on a Monday (13 on average). You will have fewer flight options on Thursday, 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 below average for this route at the moment.
Seattle to Banff flights typically cost between $249 and $419 in October.The cheapest round-trip price found within the last 5 days was $223 on WestJet (Oct 15-Oct 18).
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 September 12, 2026.
Travelers seeking maximum savings on their Seattle to Banff flight should consider departing on Friday at noon when fares are most often at their lowest. Wednesday 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 September 15, 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.
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Related info for your journey
Find useful and relevant information for your journey from Seattle to Banff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Seattle and Banff flights
Browse other Seattle and Banff flight options. Last updated on September 15, 2026.
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Popular flight searches
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Seattle to Banff flights
Consider these flights traveling from Seattle to Banff.
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 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$284 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$114 | Average$248 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$152 | Average$297 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$222 | Average$410 | FlexibilityNo cancel fee | On-time75% |