Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Calgary to Seattle from C$ 148

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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
15 Jun — 22 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 10 June 2025.

Round-trip from

C$ 231

One-way from

C$ 148

Popular in

December

Cheapest in

August

Average price

C$ 257

Good round-trip deal

C$ 472 or less

Good one-way deal

C$ 383 or less
WestJet
  • WestJet
  • 20/6-22/6
  • 1 total stop
  • 8h 32m total
  • Calgary to Seattle
Search Deals
WestJet
  • WestJet
  • 3/8
  • 1 total stop
  • 6h 31m total
  • Calgary to Seattle
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (C$ 121 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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

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 10 June 2025.

Thu 4/97:35 p.m.YYC - SEA
Nonstop1h 54mWestJet
Sun 7/97:05 a.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 10/6C$ 231
Thu 24/76:25 a.m.YYC - SEA
1 stop3h 56mAir Canada
Thu 31/75:30 a.m.SEA - YYC
2 stops8h 31mAir Canada
Deal found 9/6C$ 238
Tue 17/67:00 p.m.YYC - SEA
Nonstop1h 50mMultiple Airlines
Tue 24/67:05 a.m.SEA - YYC
Nonstop1h 40mMultiple Airlines
Deal found 9/6C$ 278
Fri 19/97:00 p.m.YYC - SEA
Nonstop1h 52mAlaska Airlines
Sun 21/99:15 p.m.SEA - YYC
Nonstop1h 37mAlaska Airlines
Deal found 8/6C$ 322
Tue 1/77:00 p.m.YYC - SEA
Nonstop1h 50mHawaiian Airlines
Thu 10/79:15 p.m.SEA - YYC
Nonstop1h 35mHawaiian Airlines
Deal found 8/6C$ 343
Tue 8/75:00 p.m.YYC - SEA
1 stop5h 10mDelta
Tue 15/72:05 p.m.SEA - YYC
Nonstop1h 40mDelta
Deal found 9/6C$ 345
Wed 27/83:49 p.m.YYC - SEA
1 stop8h 10mUnited Airlines
Sun 31/87:00 a.m.SEA - YYC
1 stop6h 47mUnited Airlines
Deal found 9/6C$ 363

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 10 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

Thu 4/9

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

Nonstop1h 54m

Seattle/Tacoma Intl

Sun 7/9

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

Nonstop1h 40m

C$ 231

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 24/7

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

1 stop3h 56m

Seattle/Tacoma Intl

Thu 31/7

5:30 a.m.-3:01 p.m.

2 stops8h 31m

C$ 238

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 28/6

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

2 stops7h 26m

Seattle/Tacoma Intl

Mon 30/6

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

Nonstop1h 40m

C$ 309

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 19/9

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

Nonstop1h 52m

Seattle/Tacoma Intl

Sun 21/9

9:15 p.m.-11:52 p.m.

Nonstop1h 37m

C$ 322

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 1/7

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

Nonstop1h 50m

Seattle/Tacoma Intl

Thu 10/7

9:15 p.m.-11:50 p.m.

Nonstop1h 35m

C$ 343

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 8/7

4:00 p.m.-9:10 p.m.

1 stop6h 10m

Seattle/Tacoma Intl

Wed 16/7

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

1 stop4h 51m

C$ 345

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 27/8

3:49 p.m.-10:59 p.m.

1 stop8h 10m

Seattle/Tacoma Intl

Sun 31/8

7:00 a.m.-2:47 p.m.

1 stop6h 47m

C$ 363

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sun 3/8

7:00 a.m.-12:31 p.m.

1 stop6h 31m

C$ 148

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sun 22/6

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

1 stop3h 56m

C$ 155

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 24/7

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

Nonstop1h 58m

C$ 198

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/6

Showing 1-10 of 14 results
1
2

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 23 May 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 10 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 8 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 10 June 2025.

The most flights from YYC to SEA are scheduled on a Monday (16 on average). You will have fewer flight options on Thursday, 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 10 June 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Hawaiian 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

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.1

Food

7.1

Comfort

7.9

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

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.1

Food

7.1

Comfort

7.9

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
7,952 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.1

Food

7.1

Comfort

7.9

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
Hawaiian Airlines
7.9
Good
2,492 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.1

Food

7.1

Comfort

7.9

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
8,783 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.1

Food

7.1

Comfort

7.9

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

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.1

Food

7.1

Comfort

7.9

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 10 flights from Calgary to Seattle/Tacoma Intl, all of which are around 1h 48m 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 3,437 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$ 231), Air Canada (C$ 238), and Alaska Airlines (C$ 322) offers the cheapest pricing from Calgary to Seattle. WestJet is currently priced 22% 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$ 148. Air Canada flights start at C$ 155 while deals on Alaska Airlines start at C$ 198 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 (91%), Delta (87%) or WestJet (87%) 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$ 145. On average you can expect to pay C$ 2,307. The most popular route, (Calgary - Seattle/Tacoma Intl), can usually be booked for C$ 231.

  • 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
Leavenworth
Tukwila
SeaTac
Tacoma
Marysville
Bothell
Renton
Olympia
Lynnwood

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 10 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 10 June 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 152AverageC$ 260FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 178AverageC$ 248FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 200AverageC$ 331FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 234AverageC$ 392FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Air CanadaCheapestC$ 240AverageC$ 291FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights