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Banff

$80+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYC
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Banff are usually found in March or August, booked 33 days in advance, depart on a Friday or Saturday 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 July 30, 2025.

Round-trip from

$189
(Mytrip)

One-way from

$80
(WestJet)

Popular in

December

Cheapest in

March

Average price

$224
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. 23% potential increase in price ($80 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 July 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 July 30, 2025.

This Mytrip deal was found by Cheapflights users on 7/29. 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 9/38:40 amSEA - YYC
Nonstop1h 50mWestJet
Sun 9/712:05 pmYYC - SEA
Nonstop1h 54mWestJet
Deal found 7/29$189
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 10/19:15 pmSEA - YYC
Nonstop1h 37mAlaska Airlines
Wed 10/87:00 pmYYC - SEA
Nonstop1h 52mAlaska Airlines
Deal found 7/28$207
This TeaFlight deal was found by Cheapflights users on 7/30. 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 TeaFlight is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/257:15 pmSEA - YYC
1 stop4h 28mMultiple Airlines
Thu 8/285:45 pmYYC - SEA
Nonstop1h 53mMultiple Airlines
Deal found 7/30$209
This Air Canada deal was found by Cheapflights users on 7/29. 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 9/192:55 pmSEA - YYC
1 stop4h 32mAir Canada
Mon 9/2212:30 pmYYC - SEA
2 stops7h 06mAir Canada
Deal found 7/29$211

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 July 30, 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 9/3

8:40 am-11:30 am

Nonstop1h 50m

Calgary

Sun 9/7

12:05 pm-12:59 pm

Nonstop1h 54m

$189

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Wed 10/1

9:15 pm-11:52 pm

Nonstop1h 37m

Calgary

Wed 10/8

7:00 pm-7:52 pm

Nonstop1h 52m

$207

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Mon 8/25

7:15 pm-12:43 am

1 stop4h 28m

Calgary

Thu 8/28

5:45 pm-6:38 pm

Nonstop1h 53m

$209

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Fri 9/19

2:55 pm-8:27 pm

1 stop4h 32m

Calgary

Mon 9/22

12:30 pm-6:36 pm

2 stops7h 06m

$211

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Tue 9/23

2:05 pm-4:46 pm

Nonstop1h 41m

$80

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Thu 9/4

10:00 am-3:22 pm

1 stop4h 22m

$82

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Fri 9/26

1:15 pm-7:56 am

2 stops17h 41m

$130

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Thu 9/11

7:05 am-9:45 am

Nonstop1h 40m

$142

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Sun 10/5

3:36 pm-6:10 pm

Nonstop1h 34m

$147

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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 July 25, 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 $402). 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 July 30, 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 July 27, 2025.

Travelers seeking maximum savings on their Seattle to Banff flight should consider departing on Wednesday evenings 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 July 30, 2025.

The most flights from SEA to B4N are scheduled on a Tuesday (23 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 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 July 30, 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

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

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

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

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
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

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
2,975 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

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
9,837 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

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 15 daily outbound flights to Banff from 4 different airlines.

  • How popular is this Seattle to Banff flight route?

    Within the past month, 37 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 $80. Users have also found prices from $82 and $142 on Air Canada and Delta, respectively.

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

    The top 3 most reliable airlines when flying from Seattle to Banff are Finnair (100%), Horizon Air (78%) and Alaska Airlines (78%).

  • What are the cheapest flights from Seattle to Banff?

    On average you can expect to pay $1,220 for a flight from Seattle to Banff. The cheapest flight overall is $80 while the most popular route, (Seattle/Tacoma Intl - Calgary) is currently priced at $173.

  • 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 $402). 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$103Average$237FlexibilityNo cancel feeOn-time67%
DeltaCheapest$108Average$270FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$115Average$222FlexibilityNo cancel feeOn-time60%
Alaska AirlinesCheapest$212Average$351FlexibilityNo cancel feeOn-time75%

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