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Cheap flights from Calgary to Seattle from C$ 146

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 25/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
8 Jul — 15 Jul1
1 adult

Cheapflights Tip: The best prices from Calgary to Seattle/Tacoma Intl are usually found in August or September, booked 50 days in advance, depart on a Friday or Thursday and return on a Saturday

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 3 July 2025.

Round-trip from

C$ 237

One-way from

C$ 146

Popular in

December

Cheapest in

August

Average price

C$ 270

Good round-trip deal

C$ 496 or less

Good one-way deal

C$ 244 or less
WestJet
  • WestJet
  • 7/8-10/8
  • 1 total stop
  • 8h 15m total
  • Calgary to Seattle
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WestJet
  • WestJet
  • 25/7
  • Nonstop
  • 1h 53m total
  • Calgary to Seattle
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Highest demand for flights based on searches. 22% potential increase in price (C$ 117 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease (C$ 25 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Calgary to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Calgary to Seattle/Tacoma Intl.
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Find flight deals from Calgary to Seattle

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 3 July 2025.

Thu 7/86:10 p.m.YYC - SEA
Nonstop2h 11mWestJet
Mon 11/81:15 p.m.SEA - YYC
1 stop4h 25mWestJet
Deal found 2/7C$ 237
Sat 12/712:30 p.m.YYC - SEA
2 stops7h 06mMultiple Airlines
Mon 14/77:35 p.m.SEA - YYC
Nonstop1h 40mMultiple Airlines
Deal found 2/7C$ 245
Sat 26/71:20 p.m.YYC - SEA
1 stop6h 16mAir Canada
Mon 28/72:55 p.m.SEA - YYC
1 stop6h 00mAir Canada
Deal found 3/7C$ 251
Fri 19/97:00 p.m.YYC - SEA
Nonstop1h 52mAlaska Airlines
Sun 21/97:59 a.m.SEA - YYC
Nonstop1h 41mAlaska Airlines
Deal found 2/7C$ 267

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 3 July 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

Thu 7/8

7:00 a.m.-12:35 p.m.

1 stop6h 35m

Seattle/Tacoma Intl

Sun 10/8

7:35 p.m.-10:15 p.m.

Nonstop1h 40m

C$ 237

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 16/8

12:30 p.m.-6:36 p.m.

2 stops7h 06m

Seattle/Tacoma Intl

Sat 23/8

2:55 p.m.-8:28 p.m.

1 stop4h 33m

C$ 243

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 12/7

12:30 p.m.-6:36 p.m.

2 stops7h 06m

Seattle/Tacoma Intl

Mon 14/7

7:35 p.m.-10:15 p.m.

Nonstop1h 40m

C$ 245

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 19/9

7:00 p.m.-7:52 p.m.

Nonstop1h 52m

Seattle/Tacoma Intl

Sun 21/9

7:59 a.m.-10:40 a.m.

Nonstop1h 41m

C$ 267

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 25/7

5:45 p.m.-6:38 p.m.

Nonstop1h 53m

C$ 146

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 10/7

1:20 p.m.-6:36 p.m.

1 stop6h 16m

C$ 151

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 26/7

7:00 p.m.-7:50 p.m.

Nonstop1h 50m

C$ 158

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 14/7

5:00 p.m.-9:10 p.m.

1 stop5h 10m

C$ 210

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 7/8

6:00 a.m.-6:58 a.m.

Nonstop1h 58m

C$ 243

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sun 20/7

7:50 p.m.-12:35 p.m.

2 stops17h 45m

C$ 308

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

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 27 June 2025.

The best time to book flights from Calgary to Seattle is 50 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, January is the cheapest month in which you can book a flight from Calgary to Seattle (average of C$ 262). Flying from Calgary to Seattle in December is currently the most expensive (average of C$ 353). 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 3 July 2025.

It’s optimal to fly from Calgary to Seattle in the evening. By choosing this option you can save up to 81% 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 29 June 2025.

Travelers seeking maximum savings on their Calgary to Seattle flight should consider departing on Wednesday afternoons 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.

Weekly flight availability from Calgary to Seattle

Explore weekly flight availability from Calgary to Seattle. 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 3 July 2025.

The most flights from YYC to SEA are scheduled on a Wednesday (23 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (14 on average).

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 3 July 2025.
Read through reviews of airlines operating flights from Calgary to Seattle, such as Alaska Airlines,Delta, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
WestJet
7.2
Good
2,917 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Air Canada
7.1
Good
9,681 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 are 19 flights from Calgary to Seattle/Tacoma Intl, all of which are around 1h 49m 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 3,378 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    According to our current data, WestJet (C$ 237), Air Canada (C$ 243), and Alaska Airlines (C$ 267) offers the cheapest pricing from Calgary to Seattle. WestJet is currently priced 21% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at C$ 146. Air Canada flights start at C$ 151 while deals on Alaska Airlines start at C$ 158 one-way.

  • 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 Finnair (82%), Japan Airlines (79%) or Qantas Airways (79%) 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$ 144. On average you can expect to pay C$ 2,171. The most popular route, (Calgary - Seattle/Tacoma Intl), can usually be booked for C$ 238.

  • 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, January is the cheapest month in which you can book a flight from Calgary to Seattle (average of C$ 262). Flying from Calgary to Seattle in December is currently the most expensive (average of C$ 353). 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 Calgary?

Book flights to Calgary if you plan to visit one of these locations
Leavenworth
Tukwila
SeaTac
Tacoma
Marysville
Bothell
Renton
Olympia
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 3 July 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 3 July 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 151AverageC$ 266FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 177AverageC$ 247FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 199AverageC$ 326FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 232AverageC$ 393FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Air CanadaCheapestC$ 240AverageC$ 287FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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