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Cheap flights from Calgary to Seattle from £77

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from Calgary to Seattle/Tacoma Intl are usually found in August or September, booked 51 days in advance, depart on a Wednesday or Monday and return on a Wednesday

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 25 March 2025.

Round-trip from

£145

One-way from

£77

Popular in

December

Cheapest in

August

Average price

£167

Good round-trip deal

£147 or less

Good one-way deal

£86 or less
United Airlines
  • United Airlines
  • 30/4-8/5
  • 2 total stops
  • 12h 40m total
  • Calgary to Seattle
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Alaska Airlines
  • Alaska Airlines
  • 9/4
  • Nonstop
  • 1h 46m total
  • Calgary to Seattle
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Highest demand for flights based on searches. 19% potential increase in price (£33 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£8 potential savings vs. average return price).
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Average for round-trip flights in March 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 25 March 2025.

Wed 30/415:49YYC - SEA
1 stop6h 26mUnited Airlines
Thu 8/505:05SEA - YYC
1 stop6h 14mUnited Airlines
Deal found 24/3£145
Wed 9/413:30YYC - SEA
2 stops12h 28mMultiple Airlines
Sun 13/419:05SEA - YYC
1 stop5h 08mMultiple Airlines
Deal found 24/3£146
Fri 23/523:40YYC - SEA
1 stop15h 29mWestJet
Sun 25/507:05SEA - YYC
Nonstop1h 40mWestJet
Deal found 23/3£159
Thu 11/912:30YYC - SEA
2 stops10h 46mAir Canada
Sun 14/914:55SEA - YYC
1 stop4h 37mAir Canada
Deal found 23/3£162
Sat 10/518:19YYC - SEA
Nonstop1h 46mAlaska Airlines
Mon 26/507:56SEA - YYC
Nonstop1h 31mAlaska Airlines
Deal found 24/3£188
Sun 13/409:00YYC - SEA
1 stop4h 56mDelta
Thu 17/415:15SEA - YYC
Nonstop1h 40mDelta
Deal found 24/3£227

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 25 March 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 30/4

15:49-21:15

1 stop6h 26m

Seattle/Tacoma Intl

Thu 8/5

05:05-12:19

1 stop6h 14m

£145

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 9/4

13:30-00:58

2 stops12h 28m

Seattle/Tacoma Intl

Sun 13/4

19:05-01:13

1 stop5h 08m

£146

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 23/5

23:40-14:09

1 stop15h 29m

Seattle/Tacoma Intl

Sun 25/5

07:05-09:45

Nonstop1h 40m

£159

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 11/9

12:30-22:16

2 stops10h 46m

Seattle/Tacoma Intl

Sun 14/9

14:55-20:32

1 stop4h 37m

£162

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 10/5

18:19-19:05

Nonstop1h 46m

Seattle/Tacoma Intl

Mon 26/5

07:56-10:27

Nonstop1h 31m

£188

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sun 13/4

09:00-12:56

1 stop4h 56m

Seattle/Tacoma Intl

Thu 17/4

15:15-17:55

Nonstop1h 40m

£227

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 9/4

18:59-19:45

Nonstop1h 46m

£77

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 15/8

06:15-09:21

1 stop4h 06m

£80

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 2/6

19:35-20:28

Nonstop1h 53m

£86

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 9/4

06:15-00:58

2 stops19h 43m

£94

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 11 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 return 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 return flight from Calgary to Seattle. Price data was last updated on 21 March 2025.

To ensure you get the cheapest price possible for a flight from Calgary to Seattle, you should look to book at least 50 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 £622). Flying from Calgary to Seattle in July is currently the most expensive (average of £946). 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 25 March 2025.

It’s typically best to fly out from Calgary to Seattle in the afternoon. Doing so could potentially save you 83% on the flight price compared to flying at midday, which is usually more expensive.

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 25 March 2025.

The most flights from YYC to SEA are scheduled on a Monday (6 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 inches 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 25 March 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 stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
9,789 reviews
Check prices

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

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
9,789 reviews
Alaska Airlines
8.0
Very Good
9,789 reviews
Check prices

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

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
7,890 reviews
Alaska Airlines
8.0
Very Good
9,789 reviews
Check prices

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

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
8,605 reviews
Alaska Airlines
8.0
Very Good
9,789 reviews
Check prices

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

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
2,785 reviews
Alaska Airlines
8.0
Very Good
9,789 reviews
Check prices

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

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
7.0
Good
8,957 reviews
Alaska Airlines
8.0
Very Good
9,789 reviews
Check prices

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

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 4 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 1 airline when you book a flight from Calgary to Seattle.

  • How popular is this Calgary to Seattle flight route?

    Flights from Calgary to Seattle/Tacoma Intl have been viewed 15 times in the past calendar month.

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

    Cheapflights users have booked flights from Calgary to Seattle round-trip from £145. Other airlines that can offer you cheap pricing are WestJet, from £159, and Air Canada, from £162. These flights start at 18% lower than the current average price 3 months from now.

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

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as £77. Users have also found prices from £80 and £86 on Air Canada and WestJet, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Calgary to Seattle on time: Alaska Airlines (72%), Horizon Air (72%), Hawaiian Airlines (72%).

  • What are the cheapest flights from Calgary to Seattle?

    While on average a flight from Calgary to Seattle is generally £136, our data shows the cheapest flight currently is £79. When looking at the most popular route, (Calgary - Seattle/Tacoma Intl), you can expect to pay £130 for that flight.

  • 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 holiday 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 £622). Flying from Calgary to Seattle in July is currently the most expensive (average of £946). 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
Tacoma
Leavenworth
Bothell

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Top airline flying from Calgary to Seattle

Discover the top airline 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 858,174 searches. Data last updated 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£92Average£155FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers 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?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Seattle from Calgary today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from Calgary to Seattle by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Seattle from Calgary shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Calgary to Seattle and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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