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Banff

$63+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYC
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Banff are usually found in March or October, booked 70 days in advance, depart on a Friday or Saturday and return on a Friday

Cheap 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 December 16, 2025.

This Air Canada deal was found by Cheapflights users on 12/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/153:40 pmSEA - YYC
1 stop6h 04mAir Canada
Tue 12/166:00 amYYC - SEA
1 stop4h 31mAir Canada
Deal found 12/13$280
This Flightnetwork deal was found by Cheapflights users on 12/13. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1411:55 amSEA - YYC
1 stop5h 25mMultiple Airlines
Mon 12/157:50 pmYYC - SEA
1 stop3h 56mMultiple Airlines
Deal found 12/13$323
This oojo deal was found by Cheapflights users on 12/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1311:55 amSEA - YYC
1 stop5h 25mWestJet
Fri 12/199:35 pmYYC - SEA
1 stop13h 47mWestJet
Deal found 12/13$383
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Mon 12/298:05 amSEA - YYC
Nonstop1h 36mMultiple Airlines
Wed 12/3111:30 pmYYC - SEA
1 stop11h 29mMultiple Airlines
Deal found 12/13$465
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Tue 12/163:10 pmSEA - YYC
Nonstop1h 40mWestJet
Thu 12/187:45 amYYC - SEA
1 stop6h 11mWestJet
Deal found 12/13$480
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
Wed 12/3111:10 pmSEA - YYC
1 stop11h 10mMultiple Airlines
Sun 1/47:35 pmYYC - SEA
1 stop15h 36mMultiple Airlines
Deal found 12/14$487
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:05 amSEA - YYC
Nonstop1h 36mMultiple Airlines
Sun 1/47:35 pmYYC - SEA
2 stops17h 55mMultiple Airlines
Deal found 12/15$501
This deal was found by Cheapflights users on 12/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:50 amSEA - YYC
1 stop7h 05mAir Canada
Sun 1/44:35 pmYYC - SEA
1 stop6h 31mAir Canada
Deal found 12/14$511
This Air Canada deal was found by Cheapflights users on 12/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/163:40 pmSEA - YYC
1 stop6h 04mAir Canada
Thu 12/187:50 pmYYC - SEA
1 stop3h 56mAir Canada
Deal found 12/13$512

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 December 16, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$179
(Kiwi.com)

One-way from

$63
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$380
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
Search Deals
One-way flight from Seattle/Tacoma Intl to Banff
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 16, 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 1/28

9:55 am-7:14 pm

1 stop8h 19m

Calgary

Wed 2/4

8:25 am-2:31 pm

2 stops7h 06m

$186

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Tue 5/5

7:05 am-9:45 am

Nonstop1h 40m

Calgary

Mon 5/11

7:35 pm-8:28 pm

Nonstop1h 53m

$200

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Wed 1/14

3:40 pm-8:59 pm

1 stop4h 19m

Calgary

Tue 1/20

1:10 pm-10:06 pm

2 stops9h 56m

$200

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Wed 4/22

3:10 pm-5:50 pm

Nonstop1h 40m

Calgary

Tue 4/28

6:55 pm-7:41 pm

Nonstop1h 46m

$207

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Sat 4/18

3:20 pm-6:19 pm

Nonstop1h 59m

Calgary

Sat 4/25

7:50 am-10:25 am

1 stop3h 35m

$211

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Sun 5/10

5:00 am-12:03 pm

1 stop6h 03m

Calgary

Mon 5/11

3:22 pm-11:29 pm

1 stop9h 07m

$219

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Sun 5/10

5:00 am-12:03 pm

1 stop6h 03m

Calgary

Tue 5/12

6:20 am-9:12 pm

1 stop15h 52m

$219

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Wed 1/21

9:55 am-8:09 pm

1 stop9h 14m

Calgary

Mon 1/26

1:10 pm-10:06 pm

2 stops9h 56m

$219

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Sun 5/10

5:00 am-12:03 pm

1 stop6h 03m

Calgary

Sun 5/10

3:22 pm-1:12 am

1 stop10h 50m

$219

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Sun 1/11

11:55 am-6:20 pm

1 stop5h 25m

Calgary

Sun 1/18

7:00 pm-7:52 pm

Nonstop1h 52m

$223

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 21 results
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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 December 12, 2025.

The best time to book flights from Seattle to Banff is 70 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, March is the cheapest month in which you can book a flight from Seattle to Banff (average of $100). Flying from Seattle to Banff in January is currently the most expensive (average of $160). 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 December 16, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 24% on flights from Seattle to Banff by exploring options for tickets in the evening.

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 December 13, 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.

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 December 16, 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
11,465 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Alaska Airlines
8.0
Very good
11,465 reviews
Alaska Airlines
8.0
Very good
11,465 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Delta
7.9
Good
8,010 reviews
Alaska Airlines
8.0
Very good
11,465 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
WestJet
7.2
Good
3,202 reviews
Alaska Airlines
8.0
Very good
11,465 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Air Canada
7.1
Good
10,527 reviews
Alaska Airlines
8.0
Very good
11,465 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

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 3 daily outbound flights to Banff from 4 different airlines.

  • How popular is this Seattle to Banff flight route?

    Within the past month, 32 users have taken a look at flights from Seattle/Tacoma Intl to Banff.

  • How long is the flight from Seattle to Banff?

    Airlines like Air Canada and WestJet 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 6h 39m. 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 WestJet. According to our data, you can fly for as low as $55. Users have also found prices from $73 and $87 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 WestJet (78%), Qantas Airways (74%) and WestJet Encore (72%).

  • What are the cheapest flights from Seattle to Banff?

    On average you can expect to pay $548 for a flight from Seattle to Banff. The cheapest flight overall is $86 while the most popular route, (Seattle/Tacoma Intl - Calgary) is currently priced at $165.

  • 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, March is the cheapest month in which you can book a flight from Seattle to Banff (average of $100). Flying from Seattle to Banff in January is currently the most expensive (average of $160). 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$90Average$255FlexibilityNo cancel feeOn-time67%
DeltaCheapest$108Average$282FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$139Average$222FlexibilityNo cancel feeOn-time60%
Alaska AirlinesCheapest$207Average$342FlexibilityNo cancel feeOn-time75%

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