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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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
23 Jun — 30 Jun1
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 18 June 2025.

Round-trip from

C$ 241

One-way from

C$ 146

Popular in

December

Cheapest in

August

Average price

C$ 269

Good round-trip deal

C$ 569 or less

Good one-way deal

C$ 378 or less
WestJet
  • WestJet
  • 10/9-16/9
  • 1 total stop
  • 5h 50m total
  • Calgary to Seattle
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WestJet
  • WestJet
  • 25/8
  • 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 June 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 18 June 2025.

Wed 10/97:35 p.m.YYC - SEA
Nonstop1h 54mWestJet
Tue 16/93:39 p.m.SEA - YYC
1 stop3h 56mWestJet
Deal found 16/6C$ 241
Thu 17/73:50 p.m.YYC - SEA
2 stops7h 26mAir Canada
Mon 21/72:55 p.m.SEA - YYC
1 stop6h 00mAir Canada
Deal found 16/6C$ 253
Tue 29/76:10 p.m.YYC - SEA
Nonstop2h 11mMultiple Airlines
Wed 6/87:15 p.m.SEA - YYC
1 stop4h 28mMultiple Airlines
Deal found 16/6C$ 299
Thu 11/96:00 a.m.YYC - SEA
Nonstop2h 00mAlaska Airlines
Mon 15/97:59 a.m.SEA - YYC
Nonstop1h 41mAlaska Airlines
Deal found 18/6C$ 321
Wed 30/77:35 p.m.YYC - SEA
Nonstop1h 53mDelta
Thu 7/87:05 a.m.SEA - YYC
Nonstop1h 40mDelta
Deal found 16/6C$ 344
Fri 27/66:00 a.m.YYC - SEA
Nonstop1h 58mHawaiian Airlines
Mon 30/67:55 a.m.SEA - YYC
Nonstop1h 34mHawaiian Airlines
Deal found 16/6C$ 465

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 18 June 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

Wed 10/9

7:35 p.m.-8:29 p.m.

Nonstop1h 54m

Seattle/Tacoma Intl

Tue 16/9

3:39 p.m.-8:35 p.m.

1 stop3h 56m

C$ 241

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 17/7

3:50 p.m.-10:16 p.m.

2 stops7h 26m

Seattle/Tacoma Intl

Mon 21/7

2:55 p.m.-9:55 p.m.

1 stop6h 00m

C$ 253

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 29/7

6:10 p.m.-7:21 p.m.

Nonstop2h 11m

Seattle/Tacoma Intl

Wed 6/8

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

1 stop4h 28m

C$ 299

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 11/9

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

Nonstop1h 52m

Seattle/Tacoma Intl

Sun 14/9

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

Nonstop1h 41m

C$ 321

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 30/7

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

Nonstop1h 53m

Seattle/Tacoma Intl

Thu 7/8

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

Nonstop1h 40m

C$ 344

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 25/8

12:05 p.m.-12:58 p.m.

Nonstop1h 53m

C$ 146

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 1/8

6:25 a.m.-9:21 a.m.

1 stop3h 56m

C$ 159

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 14/7

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

Nonstop1h 53m

C$ 205

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 29/9

9:15 p.m.-2:09 p.m.

2 stops17h 54m

C$ 276

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 28/6

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

Nonstop1h 50m

C$ 344

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/6

Showing 1-10 of 12 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 13 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 18 June 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 15 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 18 June 2025.

The most flights from YYC to SEA are scheduled on a Monday (24 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 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 18 June 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
10,000 reviews
Check prices

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

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

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

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
7,964 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

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
United Airlines
7.4
Good
8,810 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

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

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

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
2,876 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

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 20 flights from Calgary to Seattle/Tacoma Intl, all of which are around 1h 50m 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 3,397 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$ 241), Air Canada (C$ 253), and Alaska Airlines (C$ 321) offers the cheapest pricing from Calgary to Seattle. WestJet is currently priced 19% 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$ 159 while deals on Delta start at C$ 205 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 Emirates (89%), WestJet (79%) or American Airlines (78%) 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$ 2,339. The most popular route, (Calgary - Seattle/Tacoma Intl), can usually be booked for C$ 230.

  • 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 18 June 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 18 June 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 151AverageC$ 261FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 177AverageC$ 246FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 199AverageC$ 329FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 231AverageC$ 391FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Air CanadaCheapestC$ 239AverageC$ 289FlexibilityNo 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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