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Banff

$65+ Cheap flights from Seattle (SEA) to Banff, AB, 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYC
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Banff are usually found in March or April, booked 33 days in advance, depart on a Friday or Tuesday and return on a Friday

Cheap 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, 2025.

Round-trip from

$144
(Trip.com)

One-way from

$65
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$249
From Seattle/Tacoma Intl to Banff
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One-way flight from Seattle/Tacoma Intl to Banff
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Highest demand for flights based on searches. 21% potential increase in price ($71 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Seattle to Banff

Cheapest flights from Seattle to Banff
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, 2025.

This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/278:40 amSEA - YYC
Nonstop1h 57mMultiple Airlines
Mon 9/296:15 amYYC - SEA
1 stop4h 07mMultiple Airlines
Deal found 9/14$144
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/298:40 amSEA - YYC
Nonstop1h 57mMultiple Airlines
Wed 10/11:25 pmYYC - SEA
1 stop6h 11mMultiple Airlines
Deal found 9/13$147
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/298:40 amSEA - YYC
Nonstop1h 57mMultiple Airlines
Thu 10/21:25 pmYYC - SEA
1 stop6h 11mMultiple Airlines
Deal found 9/13$148
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/143:10 pmSEA - YYC
Nonstop1h 40mWestJet
Sun 11/161:25 pmYYC - SEA
Nonstop1h 55mWestJet
Deal found 9/14$149
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/83:20 pmSEA - YYC
Nonstop1h 54mWestJet
Sun 11/91:25 pmYYC - SEA
Nonstop1h 55mWestJet
Deal found 9/13$150
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/272:55 pmSEA - YYC
1 stop6h 00mAir Canada
Mon 9/2912:30 pmYYC - SEA
2 stops7h 06mAir Canada
Deal found 9/13$151
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/302:55 pmSEA - YYC
1 stop4h 32mAir Canada
Thu 10/26:10 amYYC - SEA
1 stop4h 11mAir Canada
Deal found 9/13$154
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/292:55 pmSEA - YYC
1 stop4h 32mAir Canada
Thu 10/26:10 amYYC - SEA
1 stop4h 11mAir Canada
Deal found 9/13$155
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/297:15 pmSEA - YYC
1 stop4h 27mAir Canada
Wed 10/16:10 amYYC - SEA
1 stop4h 11mAir Canada
Deal found 9/13$156

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 September 15, 2025.
Use the filters below to find and compare flights from Seattle to Banff that are best for you.

Fly from

Seattle

Fly to

Banff

Route

Depart

Return

Price

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Wed 1/21

3:10 pm-5:50 pm

Nonstop1h 40m

Calgary

Mon 1/26

1:25 pm-2:20 pm

Nonstop1h 55m

$148

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Sat 9/27

2:55 pm-9:55 pm

1 stop6h 00m

Calgary

Mon 9/29

12:30 pm-6:36 pm

2 stops7h 06m

$151

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Mon 9/29

7:15 pm-12:42 am

1 stop4h 27m

Calgary

Wed 10/1

6:10 am-9:21 am

1 stop4h 11m

$156

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Wed 10/8

7:15 pm-12:42 am

1 stop4h 27m

Calgary

Sun 10/12

6:10 am-9:21 am

1 stop4h 11m

$162

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Tue 10/14

5:30 am-3:00 pm

2 stops8h 30m

Calgary

Sat 10/25

6:00 pm-10:31 pm

1 stop5h 31m

$162

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Sat 10/11

2:55 pm-9:52 pm

1 stop5h 57m

Calgary

Sat 10/18

1:25 pm-6:36 pm

1 stop6h 11m

$174

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Thu 10/2

7:15 pm-12:42 am

1 stop4h 27m

Calgary

Mon 10/6

6:10 am-9:21 am

1 stop4h 11m

$174

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Fri 10/3

10:00 am-4:52 pm

1 stop5h 52m

Calgary

Mon 10/6

6:10 am-9:21 am

1 stop4h 11m

$174

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Tue 10/14

5:30 am-12:32 pm

1 stop6h 02m

Calgary

Tue 10/21

6:00 pm-10:31 pm

1 stop5h 31m

$174

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Fri 10/10

7:15 pm-12:42 am

1 stop4h 27m

Calgary

Mon 10/13

6:10 am-9:21 am

1 stop4h 11m

$174

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 20 results
1
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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.
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

How far ahead should I book a flight from Seattle to Banff?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Banff. Price data was last updated on September 12, 2025.

The best time to book flights from Seattle to Banff is 33 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to Banff?

Currently, January is the cheapest month in which you can book a flight from Seattle to Banff (average of $300). Flying from Seattle to Banff in February is currently the most expensive (average of $405). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Banff as you normally would.

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 14, 2025.

Travelers seeking maximum savings on their Seattle to Banff flight should consider departing on Monday mornings 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.

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, 2025.

The most flights from SEA to B4N are scheduled on a Friday (20 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (15 on average).

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, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and WestJet 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,956 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
WestJet
7.2
Good
3,091 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Air Canada
7.1
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • What airport do you fly from for flights from Seattle to Banff?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Banff from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to Banff should be relatively easy as there are 18 daily outbound flights to Banff from 4 different airlines.

  • How popular is this Seattle to Banff flight route?

    Within the past month, 36 users have taken a look at flights from Seattle/Tacoma Intl to Banff.

  • How long is the flight from Seattle to Banff?

    Airlines like WestJet and Air Canada fly from Seattle to Banff in about 1h 40m. The time it takes to get you to your destination can typically vary by up to 2h 47m. Airlines will cover a distance of 451 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Seattle to Banff one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $68. Users have also found prices from $73 and $73 on Air Canada and WestJet, respectively.

  • What are the most reliable airlines from Seattle to Banff?

    The top 3 most reliable airlines when flying from Seattle to Banff are Air Chathams (100%), Finnair (88%) and Korean Air (80%).

  • What are the cheapest flights from Seattle to Banff?

    On average you can expect to pay $319 for a flight from Seattle to Banff. The cheapest flight overall is $64 while the most popular route, (Seattle/Tacoma Intl - Calgary) is currently priced at $144.

  • Can I find deals for flights from Seattle to Banff that include hotel bookings?

    Yes. In addition to deals on Seattle to Banff flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Banff?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Banff.

  • Can I find deals for business class flights from Seattle to Banff?

    Yes. Cheapflights offers flight deals from Seattle to Banff by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Banff?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Banff (average of $300). Flying from Seattle to Banff in February is currently the most expensive (average of $405). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$99Average$255FlexibilityNo cancel feeOn-time67%
DeltaCheapest$106Average$281FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$139Average$229FlexibilityNo cancel feeOn-time60%
Alaska AirlinesCheapest$215Average$347FlexibilityNo cancel feeOn-time75%

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