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Cheap flights from Seattle to Banff

Compare Seattle to Banff flight deals

Find the cheapest month or even day of the year to fly to Banff

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Flight deals from Seattle to Banff

Looking for a cheap last-minute deal or the best round-trip flight from Seattle to Banff? Find the lowest prices on one-way and round-trip tickets right here.
Calgary.$217 per passenger.Departing Wed, Apr 29, returning Wed, May 6.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Seattle / Tacoma International on Wed, Apr 29, arriving in Calgary.Inbound indirect flight with Air Canada, departing from Calgary on Wed, May 6, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $217, select.
Calgary.$222 per passenger.Departing Thu, Apr 30, returning Mon, May 4.Round-trip flight with WestJet.Outbound direct flight with WestJet departing from Seattle / Tacoma International on Thu, Apr 30, arriving in Calgary.Inbound direct flight with WestJet departing from Calgary on Mon, May 4, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $222, select.
Calgary.$224 per passenger.Departing Sun, May 31, returning Fri, Jun 5.Round-trip flight with WestJet.Outbound direct flight with WestJet departing from Seattle / Tacoma International on Sun, May 31, arriving in Calgary.Inbound direct flight with WestJet departing from Calgary on Fri, Jun 5, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $224, select.
Calgary.$225 per passenger.Departing Wed, Jun 3, returning Sat, Jun 6.Round-trip flight with WestJet.Outbound direct flight with WestJet departing from Seattle / Tacoma International on Wed, Jun 3, arriving in Calgary.Inbound direct flight with WestJet departing from Calgary on Sat, Jun 6, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $225, select.
Calgary.$225 per passenger.Departing Fri, May 1, returning Sun, May 3.Round-trip flight with WestJet.Outbound direct flight with WestJet departing from Seattle / Tacoma International on Fri, May 1, arriving in Calgary.Inbound direct flight with WestJet departing from Calgary on Sun, May 3, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $225, select.
Calgary.$232 per passenger.Departing Thu, Jun 18, returning Sat, Jul 11.Round-trip flight with WestJet.Outbound direct flight with WestJet departing from Seattle / Tacoma International on Thu, Jun 18, arriving in Calgary.Inbound direct flight with WestJet departing from Calgary on Sat, Jul 11, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $232, select.
Calgary.$239 per passenger.Departing Sun, Sep 27, returning Wed, Oct 7.Round-trip flight with WestJet.Outbound direct flight with WestJet departing from Seattle / Tacoma International on Sun, Sep 27, arriving in Calgary.Inbound direct flight with WestJet departing from Calgary on Wed, Oct 7, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $239, select.
Calgary.$240 per passenger.Departing Thu, Aug 6, returning Mon, Aug 10.Round-trip flight with WestJet.Outbound direct flight with WestJet departing from Seattle / Tacoma International on Thu, Aug 6, arriving in Calgary.Inbound direct flight with WestJet departing from Calgary on Mon, Aug 10, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $240, select.
Calgary.$240 per passenger.Departing Thu, Jul 23, returning Sun, Jul 26.Round-trip flight with WestJet.Outbound direct flight with WestJet departing from Seattle / Tacoma International on Thu, Jul 23, arriving in Calgary.Inbound direct flight with WestJet departing from Calgary on Sun, Jul 26, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $240, select.
Calgary.$241 per passenger.Departing Sun, Sep 6, returning Fri, Sep 11.Round-trip flight with WestJet.Outbound direct flight with WestJet departing from Seattle / Tacoma International on Sun, Sep 6, arriving in Calgary.Inbound direct flight with WestJet departing from Calgary on Fri, Sep 11, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $241, select.
Calgary.$242 per passenger.Departing Tue, Oct 13, returning Sat, Oct 17.Round-trip flight with WestJet.Outbound direct flight with WestJet departing from Seattle / Tacoma International on Tue, Oct 13, arriving in Calgary.Inbound direct flight with WestJet departing from Calgary on Sat, Oct 17, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $242, select.
Calgary.$244 per passenger.Departing Thu, Jul 30, returning Mon, Aug 3.Round-trip flight with WestJet.Outbound direct flight with WestJet departing from Seattle / Tacoma International on Thu, Jul 30, arriving in Calgary.Inbound direct flight with WestJet departing from Calgary on Mon, Aug 3, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $244, select.
Calgary.$247 per passenger.Departing Sat, Aug 29, returning Sun, Sep 13.Round-trip flight with WestJet.Outbound direct flight with WestJet departing from Seattle / Tacoma International on Sat, Aug 29, arriving in Calgary.Inbound direct flight with WestJet departing from Calgary on Sun, Sep 13, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $247, select.
Calgary.$252 per passenger.Departing Sat, Apr 25, returning Mon, Apr 27.Round-trip flight with WestJet.Outbound direct flight with WestJet departing from Seattle / Tacoma International on Sat, Apr 25, arriving in Calgary.Inbound direct flight with WestJet departing from Calgary on Mon, Apr 27, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $252, select.
Calgary.$272 per passenger.Departing Fri, Nov 27, returning Tue, Dec 1.Round-trip flight with WestJet.Outbound direct flight with WestJet departing from Seattle / Tacoma International on Fri, Nov 27, arriving in Calgary.Inbound direct flight with WestJet departing from Calgary on Tue, Dec 1, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $272, select.
Calgary.$342 per passenger.Departing Fri, Nov 27, returning Mon, Nov 30.Round-trip flight with WestJet.Outbound indirect flight with WestJet, departing from Seattle / Tacoma International on Fri, Nov 27, arriving in Calgary.Inbound indirect flight with WestJet, departing from Calgary on Mon, Nov 30, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $342, select.
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Seattle to Banff: Flight information

The things to know before you go.
Fly intoCalgary Airport
Distance to Banff108.4 km
Cheapest flight$217
Cheapest month to flyApril
Most popular airlineHorizon Air
Average flight time1 hr, 40 mins

Find the cheapest month to fly from Seattle to Banff

We’re always keeping an eye on fares, so you can find the best flight deal in seconds. It looks like Seattle to Banff flights are currently cheapest in July. We’ve based this on flights into Calgary Airport.
Apr
from $92
May
from $97
Jun
from $98
Jul
from $85
Aug
from $107
Sep
from $106
Oct
from $107
Nov
from $124
Dec
from $126
Jan
from $177
Feb
from $188
Mar
from $185

Finding cheap flights from Seattle to Banff: Frequently asked questions

The best price we found for a round-trip flight from Seattle to Banff is $217. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
The average flight time to Banff is 1 hour and 40 minutes. We've calculated this based on journeys to Calgary Airport.
Horizon Air, Alaska Airlines, and Delta all offer direct flights to Calgary Airport.
We’ve found roughly 127 per week flying from Seattle to Calgary Airport.
We've checked every Seattle to Banff fare we could find, and the cheapest upcoming date to fly seems to be on Wednesday, April 29, 2026. Overall, the cheapest month to fly from Seattle to Banff is usually April.
If you're flying from Seattle, the cheapest airport near Banff is Calgary – which is 108.4 km away from the center of Banff. We've found flights to this airport from $217.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Banff on Wednesday, April 29, 2026.
No airlines currently offer direct flights between Seattle and Banff. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Banff but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Banff is around 40 days in advance, so don’t leave your flight to the last minute.
Calgary Airport is the best option, and is around 108.4km from Banff.
Calgary Airport is closest to Banff, at around 108.4 km away.
In April, the average temperature is usually around -3°C. July is typically the warmest month in Banff, when it usually averages around 17°C. You can expect the least rain in February. The coldest month is December, with temperatures averaging -17°C. The rainiest month is June.

Plan the rest of your trip from Seattle to Banff