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Cheap flights from Calgary to Seattle from C$ 137

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 27/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
4 May — 11 May1
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 Sunday

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 29 April 2025.

Round-trip from

C$ 201

One-way from

C$ 137

Popular in

December

Cheapest in

August

Average price

C$ 285

Good round-trip deal

C$ 317 or less

Good one-way deal

C$ 249 or less
WestJet
  • WestJet
  • 2/6-4/6
  • Nonstop
  • 3h 33m total
  • Calgary to Seattle
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Air Canada
  • Air Canada
  • 27/6
  • 1 total stop
  • 4h 01m total
  • Calgary to Seattle
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Highest demand for flights based on searches. 22% potential increase in price (C$ 122 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease (C$ 26 potential savings vs. average RT price).
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Average for round-trip flights in April 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 29 April 2025.

Mon 2/67:35 p.m.YYC - SEA
Nonstop1h 53mWestJet
Wed 4/61:50 p.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 28/4C$ 201
Fri 13/68:25 a.m.YYC - SEA
1 stop5h 33mAir Canada
Mon 16/67:15 p.m.SEA - YYC
1 stop4h 28mAir Canada
Deal found 28/4C$ 212
Fri 13/67:30 p.m.YYC - SEA
1 stop13h 31mMultiple Airlines
Mon 16/67:15 p.m.SEA - YYC
1 stop4h 28mMultiple Airlines
Deal found 27/4C$ 226
Thu 5/611:17 a.m.YYC - SEA
Nonstop1h 53mAlaska Airlines
Sun 8/67:56 a.m.SEA - YYC
Nonstop1h 31mAlaska Airlines
Deal found 28/4C$ 285
Fri 16/53:49 p.m.YYC - SEA
1 stop6h 42mUnited Airlines
Tue 20/57:33 p.m.SEA - YYC
1 stop15h 46mUnited Airlines
Deal found 28/4C$ 288
Fri 13/65:00 p.m.YYC - SEA
1 stop5h 04mDelta
Mon 16/67:10 a.m.SEA - YYC
1 stop4h 51mDelta
Deal found 27/4C$ 337

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 29 April 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

Mon 2/6

7:35 p.m.-8:28 p.m.

Nonstop1h 53m

Seattle/Tacoma Intl

Wed 4/6

1:50 p.m.-4:30 p.m.

Nonstop1h 40m

C$ 201

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 13/6

8:25 a.m.-12:58 p.m.

1 stop5h 33m

Seattle/Tacoma Intl

Mon 16/6

7:15 p.m.-12:43 a.m.

1 stop4h 28m

C$ 212

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 13/6

7:30 p.m.-8:01 a.m.

1 stop13h 31m

Seattle/Tacoma Intl

Mon 16/6

7:15 p.m.-12:43 a.m.

1 stop4h 28m

C$ 226

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 5/6

11:17 a.m.-12:10 p.m.

Nonstop1h 53m

Seattle/Tacoma Intl

Sun 8/6

7:56 a.m.-10:27 a.m.

Nonstop1h 31m

C$ 285

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 16/5

3:49 p.m.-9:31 p.m.

1 stop6h 42m

Seattle/Tacoma Intl

Tue 20/5

7:33 p.m.-12:19 p.m.

1 stop15h 46m

C$ 288

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 13/6

5:00 p.m.-9:04 p.m.

1 stop5h 04m

Seattle/Tacoma Intl

Mon 16/6

7:10 a.m.-1:01 p.m.

1 stop4h 51m

C$ 337

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 30/8

6:29 a.m.-7:16 p.m.

2 stops13h 47m

Seattle/Tacoma Intl

Sat 6/9

9:57 a.m.-11:29 p.m.

2 stops12h 32m

C$ 1,218

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 27/6

6:20 a.m.-9:21 a.m.

1 stop4h 01m

C$ 137

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 18/8

7:35 p.m.-8:28 p.m.

Nonstop1h 53m

C$ 139

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 29/8

6:00 a.m.-7:00 a.m.

Nonstop2h 00m

C$ 170

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 13 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 25 April 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$ 261). 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 29 April 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 30 March 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 mornings 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 29 April 2025.

The most flights from YYC to SEA are scheduled on a Monday (8 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, 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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 29 April 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from Calgary to Seattle to help guide your decision. 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
9,949 reviews
Check prices

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

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
9,949 reviews
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

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
7,929 reviews
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

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
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

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
9,949 reviews
Check prices

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

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
2,823 reviews
Alaska Airlines
8.0
Very good
9,949 reviews
Check prices

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

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 6 flights from Calgary to Seattle/Tacoma Intl, all of which are around 1h 53m 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 3,441 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$ 201), Air Canada (C$ 212), and Alaska Airlines (C$ 285) offers the cheapest pricing from Calgary to Seattle. WestJet is currently priced 34% 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 Air Canada, which is currently one of the cheapest options available, starting at C$ 137. WestJet flights start at C$ 139 while deals on Alaska Airlines start at C$ 170 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 Alaska Airlines (75%), Horizon Air (75%) or Hawaiian Airlines (75%) 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$ 133. On average you can expect to pay C$ 1,547. The most popular route, (Calgary - Seattle/Tacoma Intl), can usually be booked for C$ 205.

  • 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$ 261). 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
Tukwila
SeaTac
Tacoma
Marysville
Bothell
Olympia
Lynnwood
Leavenworth

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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 29 April 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 154AverageC$ 257FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 203AverageC$ 336FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 228AverageC$ 383FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapestC$ 237AverageC$ 250FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 243AverageC$ 298FlexibilityNo 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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