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Banff

$59+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYC
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Banff are usually found in August or April, booked 25 days in advance, depart on a Friday or Tuesday and return on a Sunday

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 April 17, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$136
(Kiwi.com)

One-way from

$59
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$205
Provider with most accurate pricing for Seattle/Tacoma Intl-Calgary flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Calgary flights.
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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. 25% potential increase in price ($84 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 April 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 April 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/102:05 pmSEA - YYC
Nonstop1h 40mWestJet
Mon 6/307:35 pmYYC - SEA
Nonstop1h 53mWestJet
Deal found 4/16$136
This Trip.com deal was found by Cheapflights users on 4/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/17:56 amSEA - YYC
Nonstop1h 31mMultiple Airlines
Sun 6/811:15 amYYC - SEA
1 stop3h 54mMultiple Airlines
Deal found 4/17$157
This Mytrip deal was found by Cheapflights users on 4/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/285:30 amSEA - YYC
2 stops8h 31mAir Canada
Sat 5/313:50 pmYYC - SEA
2 stops7h 23mAir Canada
Deal found 4/17$166
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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 6/299:15 pmSEA - YYC
Nonstop1h 35mAlaska Airlines
Wed 7/96:00 amYYC - SEA
Nonstop1h 58mAlaska Airlines
Deal found 4/17$212
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Sun 5/45:15 amSEA - YYC
1 stop15h 33mUnited Airlines
Mon 5/123:49 pmYYC - SEA
1 stop10h 10mUnited Airlines
Deal found 4/17$219
This Delta deal was found by Cheapflights users on 4/16. 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.
Fri 7/117:05 amSEA - YYC
Nonstop1h 40mDelta
Mon 7/147:00 amYYC - SEA
1 stop6h 31mDelta
Deal found 4/16$250

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 April 17, 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

Tue 6/10

2:05 pm-4:45 pm

Nonstop1h 40m

Calgary

Mon 6/30

7:35 pm-8:28 pm

Nonstop1h 53m

$136

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Sun 6/1

7:56 am-10:27 am

Nonstop1h 31m

Calgary

Sun 6/8

11:15 am-2:09 pm

1 stop3h 54m

$157

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Wed 5/28

5:30 am-3:01 pm

2 stops8h 31m

Calgary

Sat 5/31

3:50 pm-10:13 pm

2 stops7h 23m

$164

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Sun 6/29

9:15 pm-11:50 pm

Nonstop1h 35m

Calgary

Wed 7/2

6:00 am-6:58 am

Nonstop1h 58m

$212

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Sun 5/4

5:15 am-9:48 pm

1 stop15h 33m

Calgary

Sun 5/11

3:49 pm-9:31 pm

1 stop6h 42m

$219

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Fri 7/11

7:05 am-9:45 am

Nonstop1h 40m

Calgary

Mon 7/14

7:00 am-12:31 pm

1 stop6h 31m

$250

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Mon 5/5

8:25 am-11:15 am

Nonstop1h 50m

$59

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Sat 5/31

5:30 am-3:01 pm

2 stops8h 31m

$65

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Tue 5/20

7:56 am-10:27 am

Nonstop1h 31m

$80

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Thu 5/1

5:05 am-12:19 pm

1 stop6h 14m

$84

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 12 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 April 11, 2025.

The best time to book flights from Seattle to Banff is 25 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 June is currently the most expensive (average of $410). 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 April 17, 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 March 30, 2025.

Travelers seeking maximum savings on their Seattle to Banff flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Banff by month

Plan your trip to Banff by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Banff ranges from 0.4 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. January is typically the driest time to visit Banff when rainfall is around 0.4 in.

Temperature in Banff by month

Plan your trip to Banff by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Banff, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 19.4 F).

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 April 17, 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Seattle to Banff have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
WestJet
7.2
Good
2,809 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Air Canada
7.0
Good
9,142 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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 7 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.

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

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as $59. Users have also found prices from $65 and $80 on Air Canada and Alaska Airlines, respectively.

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

    The top 3 most reliable airlines when flying from Seattle to Banff are American Airlines (85%), Singapore Airlines (82%) and Korean Air (82%).

  • What are the cheapest flights from Seattle to Banff?

    On average you can expect to pay $902 for a flight from Seattle to Banff. The cheapest flight overall is $63 while the most popular route, (Seattle/Tacoma Intl - Calgary) is currently priced at $147.

  • 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 June is currently the most expensive (average of $410). 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$108Average$260FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$111Average$240FlexibilityNo cancel feeOn-time67%
WestJetCheapest$114Average$209FlexibilityNo cancel feeOn-time60%
Alaska AirlinesCheapest$197Average$327FlexibilityNo cancel feeOn-time75%

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