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Cheap flights from Calgary to Seattle from C$ 127

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 18/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
20 Dec — 27 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Calgary to Seattle/Tacoma Intl are usually found in March or July, booked 56 days in advance, depart on a Friday or Thursday and return on a Saturday

Find flight deals from Calgary to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Calgary to Seattle
Explore the most affordable flight options available from Calgary to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 November 2025.

Wed 3/121:20 p.m.YYC - SEA
Nonstop2h 15mWestJet
Fri 5/123:10 p.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 18/11C$ 224
Fri 5/126:00 a.m.YYC - SEA
1 stop4h 31mAir Canada
Sun 7/123:40 p.m.SEA - YYC
1 stop4h 19mAir Canada
Deal found 20/11C$ 225
Sat 22/111:25 p.m.YYC - SEA
Nonstop2h 15mMultiple Airlines
Tue 25/118:12 a.m.SEA - YYC
Nonstop1h 38mMultiple Airlines
Deal found 18/11C$ 231
Thu 18/121:25 p.m.YYC - SEA
Nonstop1h 55mWestJet
Fri 23/111:55 a.m.SEA - YYC
1 stop5h 20mWestJet
Deal found 19/11C$ 234
Thu 4/121:25 p.m.YYC - SEA
Nonstop1h 55mWestJet
Mon 8/1211:55 a.m.SEA - YYC
1 stop4h 25mWestJet
Deal found 20/11C$ 236
Fri 5/121:25 p.m.YYC - SEA
Nonstop1h 55mMultiple Airlines
Sun 7/123:34 p.m.SEA - YYC
Nonstop1h 36mMultiple Airlines
Deal found 18/11C$ 245
Wed 26/116:00 a.m.YYC - SEA
1 stop4h 31mAir Canada
Sun 30/113:40 p.m.SEA - YYC
1 stop6h 04mAir Canada
Deal found 19/11C$ 248

Cheap flight deals from Calgary to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Calgary (YYC) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 20 November 2025.

Round-trip from

C$ 225

One-way from

C$ 127

Popular in

December

Cheapest in

March

Average price

C$ 353

Good round-trip deal

C$ 391 or less

Good one-way deal

C$ 169 or less
Air Canada
  • Air Canada
  • 5/12-7/12
  • 2 total stops
  • 8h 50m total
  • Calgary to Seattle
Search Deals
WestJet
  • WestJet
  • 18/12
  • Nonstop
  • 1h 55m total
  • Calgary to Seattle
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 83 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Calgary to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Calgary to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Calgary to Seattle 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 629,999 searches. Data last updated 20 November 2025.
Use the filters below to find and compare flights from Calgary to Seattle that are best for you.

Fly from

Calgary

Fly to

Seattle

Route

Depart

Return

Price

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 5/12

6:00 a.m.-9:31 a.m.

1 stop4h 31m

Seattle/Tacoma Intl

Sun 7/12

3:40 p.m.-8:59 p.m.

1 stop4h 19m

C$ 225

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 4/12

1:25 p.m.-2:20 p.m.

Nonstop1h 55m

Seattle/Tacoma Intl

Mon 8/12

11:55 a.m.-5:20 p.m.

1 stop4h 25m

C$ 236

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 18/12

1:25 p.m.-2:20 p.m.

Nonstop1h 55m

Seattle/Tacoma Intl

Fri 23/1

3:10 p.m.-5:50 p.m.

Nonstop1h 40m

C$ 242

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 4/12

6:00 a.m.-9:31 a.m.

1 stop4h 31m

Seattle/Tacoma Intl

Mon 8/12

3:40 p.m.-8:59 p.m.

1 stop4h 19m

C$ 248

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 3/12

1:20 p.m.-2:35 p.m.

Nonstop2h 15m

Seattle/Tacoma Intl

Fri 5/12

11:55 a.m.-8:15 p.m.

1 stop7h 20m

C$ 263

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 11/12

8:25 a.m.-2:31 p.m.

2 stops7h 06m

Seattle/Tacoma Intl

Sun 14/12

5:00 a.m.-9:53 p.m.

1 stop15h 53m

C$ 267

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 9/12

1:10 p.m.-10:46 p.m.

2 stops10h 36m

Seattle/Tacoma Intl

Thu 11/12

3:40 p.m.-10:44 p.m.

1 stop6h 04m

C$ 267

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 26/3

6:00 a.m.-9:31 a.m.

1 stop4h 31m

Seattle/Tacoma Intl

Mon 30/3

3:40 p.m.-9:28 p.m.

1 stop4h 48m

C$ 269

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 11/5

11:15 a.m.-2:09 p.m.

1 stop3h 54m

Seattle/Tacoma Intl

Thu 14/5

7:05 a.m.-9:45 a.m.

Nonstop1h 40m

C$ 279

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 4/12

2:13 p.m.-11:15 p.m.

2 stops10h 02m

Seattle/Tacoma Intl

Mon 8/12

8:40 a.m.-9:53 p.m.

1 stop12h 13m

C$ 283

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/11

Showing 1-10 of 21 results
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Best time to book a flight from Calgary to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Calgary 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 Calgary to Seattle

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

Use this chart to determine the optimal time to book a round-trip flight from Calgary to Seattle. Price data was last updated on 14 November 2025.

The best time to book flights from Calgary to Seattle is 56 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 Calgary to Seattle?

Currently, September is the cheapest month in which you can book a flight from Calgary to Seattle (average of C$ 152). Flying from Calgary to Seattle in December is currently the most expensive (average of C$ 248). 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 YYC to SEA?

Find hourly flight availability from Calgary to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 November 2025.

It’s optimal to fly from Calgary to Seattle in the evening. By choosing this option you can save up to 78% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Calgary to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Calgary to Seattle. Price data was last updated on 2 November 2025.

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

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated 20 November 2025.
Read through reviews of airlines operating flights from Calgary to Seattle, such as Alaska Airlines,Hawaiian Airlines, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,326 reviews
Check prices

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Alaska Airlines
8.0
Very good
11,326 reviews
Alaska Airlines
8.0
Very good
11,326 reviews
Check prices

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Hawaiian Airlines
7.8
Good
2,811 reviews
Alaska Airlines
8.0
Very good
11,326 reviews
Check prices

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
United Airlines
7.4
Good
9,029 reviews
Alaska Airlines
8.0
Very good
11,326 reviews
Check prices

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
WestJet
7.2
Good
3,169 reviews
Alaska Airlines
8.0
Very good
11,326 reviews
Check prices

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Air Canada
7.1
Good
10,463 reviews
Alaska Airlines
8.0
Very good
11,326 reviews
Check prices

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.

Related info for your journey

Find useful and relevant information for your journey from Calgary to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Calgary to Seattle?

    Booking a flight from Calgary (YYC) to Seattle/Tacoma Intl (SEA) is your only option if you wish to fly from Calgary to Seattle. On a typical day, there is 1 flight from Calgary to Seattle/Tacoma Intl, all of which are around 1h 46m for a nonstop flight. You can also purchase a plane ticket from 5 airlines when you book a flight from Calgary to Seattle.

  • How popular is this Calgary to Seattle flight route?

    This flight path from Calgary to Seattle/Tacoma Intl was viewed by 2,900 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Calgary to Seattle?

    Air Canada and WestJet can get you from Calgary to Seattle in just under 1h 55m. Your travel time can differ by up to 2h 36m. Calgary and Seattle are separated by a distance of 726 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Calgary to Seattle round-trip?

    According to our current data, United Airlines (C$ 183), WestJet (C$ 193), and Air Canada (C$ 247) offers the cheapest pricing from Calgary to Seattle. United Airlines is currently priced 44% below the average price you’ll pay for this route.

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

    No one likes to see their flight delayed. When booking a flight from Calgary to Seattle consider choosing Singapore Airlines (100%), Qatar Airways (94%) or Qantas Airways (92%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Calgary to Seattle?

    The cheapest flight price from Calgary to Seattle is C$ 107. On average you can expect to pay C$ 596. The most popular route, (Calgary - Seattle/Tacoma Intl), can usually be booked for C$ 224.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Calgary to Seattle 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 Calgary to Seattle?

    Currently, September is the cheapest month in which you can book a flight from Calgary to Seattle (average of C$ 152). Flying from Calgary to Seattle in December is currently the most expensive (average of C$ 248). 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

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
SeaTac
Tukwila
Tacoma
Mukilteo
Bothell
Cashmere
Olympia
Renton
Marysville
Lynnwood

Browse thousands of different options on Cheapflights for your next trip

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Fly from Calgary to Seattle on these airlines

Choose from the following airlines for your flight from Calgary to Seattle. Flights are based on user searches made on Cheapflights and were last updated on 20 November 2025.
WestJet flights from Calgary to Seattle/Tacoma Intl
Alaska Airlines flights from Calgary to Seattle/Tacoma Intl
Air Canada flights from Calgary to Seattle/Tacoma Intl

Top 5 airlines flying from Calgary to Seattle

Discover the top 5 airlines that operate flights from Calgary to Seattle. 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 629,999 searches. Data last updated 20 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 183AverageC$ 292FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 193AverageC$ 289FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 247AverageC$ 301FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Alaska AirlinesCheapestC$ 250AverageC$ 406FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Hawaiian AirlinesCheapestC$ 275AverageC$ 412FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Calgary to Seattle?

When you search for this flight from Calgary to Seattle, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Calgary to Seattle?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Calgary to Seattle.

Can Cheapflights find flights from Calgary to Seattle with no change fees?

Yes, we can. To see specific flights from Calgary to Seattle with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Calgary to Seattle become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from Calgary today and book when prices fit your budget.

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