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Cheap flights from Calgary to Seattle from £118

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
29 Aug — 5 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Calgary to Seattle/Tacoma Intl are usually found in November or January, booked 57 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Calgary to Seattle

Enter your travel dates to find the best prices.

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 30 July 2026.

Fri 2/1015:22
YYC
-
SEA
1 stop9h 04m
United Airlines
Sun 11/1005:00
SEA
-
YYC
1 stop7h 53m
United Airlines
Deal found 25/7£195
Thu 1/1015:22
YYC
-
SEA
1 stop9h 04m
United Airlines
Sun 4/1005:00
SEA
-
YYC
1 stop7h 53m
United Airlines
Deal found 29/7£206
Sat 12/913:41
YYC
-
SEA
1 stop8h 02m
United Airlines
Tue 15/905:00
SEA
-
YYC
1 stop15h 48m
United Airlines
Deal found 25/7£209
Thu 22/1015:22
YYC
-
SEA
1 stop9h 04m
Multiple Airlines
Sun 25/1019:05
SEA
-
YYC
1 stop4h 44m
Multiple Airlines
Deal found 28/7£210
Tue 27/1015:30
YYC
-
SEA
1 stop9h 01m
Multiple Airlines
Tue 10/1119:05
SEA
-
YYC
2 stops15h 50m
Multiple Airlines
Deal found 28/7£211
Wed 23/913:41
YYC
-
SEA
1 stop5h 48m
Multiple Airlines
Sun 27/905:50
SEA
-
YYC
2 stops8h 12m
Multiple Airlines
Deal found 29/7£213
Sat 24/1006:00
YYC
-
SEA
2 stops18h 27m
Multiple Airlines
Tue 27/1019:05
SEA
-
YYC
2 stops14h 50m
Multiple Airlines
Deal found 29/7£223
Mon 26/1015:30
YYC
-
SEA
1 stop8h 48m
Multiple Airlines
Tue 3/1119:05
SEA
-
YYC
2 stops15h 50m
Multiple Airlines
Deal found 28/7£224
Fri 13/1114:06
YYC
-
SEA
2 stops10h 12m
Multiple Airlines
Sun 15/1119:05
SEA
-
YYC
2 stops15h 50m
Multiple Airlines
Deal found 28/7£229
Fri 20/1115:30
YYC
-
SEA
1 stop8h 48m
Multiple Airlines
Mon 23/1119:05
SEA
-
YYC
2 stops15h 50m
Multiple Airlines
Deal found 29/7£230
Wed 21/1006:00
YYC
-
SEA
1 stop16h 15m
Multiple Airlines
Sun 25/1019:05
SEA
-
YYC
2 stops14h 50m
Multiple Airlines
Deal found 28/7£234
Wed 2/906:00
YYC
-
SEA
1 stop10h 52m
Multiple Airlines
Sun 6/905:50
SEA
-
YYC
2 stops8h 12m
Multiple Airlines
Deal found 29/7£239

Find 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 30 July 2026.

Round-trip from

£195

One-way from

£118

Popular in

December

Cheapest in

November

Average price

£241
United Airlines
  • United Airlines
  • 2/10-11/10
  • 2 total stops
  • 16h 57m total
  • Calgary to Seattle
Search Deals
United Airlines
  • United Airlines
  • 8/10
  • 1 total stop
  • 9h 04m total
  • Calgary to Seattle
Search Deals
High demand for flights, 10% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 30 July 2026.
Use the filters below to find and compare flights from Calgary to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sun 8/11

06:00-07:41

1 stop3h 41m

Seattle/Tacoma Intl

Mon 16/11

15:10-19:50

Nonstop2h 40m

£247

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 13/11

06:00-07:44

1 stop3h 44m

Seattle/Tacoma Intl

Sun 15/11

15:10-19:50

Nonstop2h 40m

£247

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 20/11

18:00-19:49

1 stop3h 49m

Seattle/Tacoma Intl

Mon 23/11

15:10-19:50

Nonstop2h 40m

£258

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 2/10

06:00-23:26

2 stops18h 26m

Seattle/Tacoma Intl

Sun 4/10

05:00-13:53

1 stop7h 53m

£297

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 26/9

15:22-21:01

1 stop6h 39m

Seattle/Tacoma Intl

Wed 30/9

05:50-15:02

2 stops8h 12m

£300

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 8/9

13:41-18:29

1 stop5h 48m

Seattle/Tacoma Intl

Wed 9/9

05:50-15:02

2 stops8h 12m

£300

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 4/9

13:41-18:29

1 stop5h 48m

Seattle/Tacoma Intl

Sat 12/9

05:50-15:02

2 stops8h 12m

£306

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sun 6/9

06:00-13:22

1 stop8h 22m

Seattle/Tacoma Intl

Sun 13/9

05:50-15:02

2 stops8h 12m

£306

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 24/9

06:00-23:26

2 stops18h 26m

Seattle/Tacoma Intl

Sun 27/9

05:50-11:29

1 stop4h 39m

£310

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sun 8/11

06:00-20:19

1 stop16h 19m

Seattle/Tacoma Intl

Mon 16/11

19:05-12:55

2 stops15h 50m

£314

Flights are sorted by cheapest return flights first.

Deals found on 27/7

Showing 1-10 of 24 resultsSorted by cheapest first
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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 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?

To ensure you get the cheapest price possible for a flight from Calgary to Seattle, you should look to book at least 56 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, November is the cheapest month in which you can book a flight from Calgary to Seattle (average of £146). Flying from Calgary to Seattle in December is currently the most expensive (average of £250). 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 30 July 2026.

It’s typically best to fly out from Calgary to Seattle in the evening. Doing so could potentially save you 71% on the flight price compared to flying at midday, which is usually more expensive.

How much does it cost for a return flight from Calgary to Seattle?

Airfare is typical for this route at the moment.

Calgary to Seattle flights typically cost between £168 and £267 in October.
The cheapest return price found within the last 5 days was £195 on United Airlines (2 Oct–11 Oct).

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.

  • How popular is this Calgary to Seattle flight route?

    Flights from Calgary to Seattle/Tacoma Intl have been viewed 14 times in the past calendar month.

  • How long is the flight from Calgary to Seattle?

    For as low as £247, Delta can have you in Seattle from Calgary in 3h 41m. The distance between Calgary and Seattle is about 451 mi.

  • 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: Japan Airlines (94%), Emirates (91%), American Airlines (85%).

  • 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, November is the cheapest month in which you can book a flight from Calgary to Seattle (average of £146). Flying from Calgary to Seattle in December is currently the most expensive (average of £250). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Federal Way
SeaTac

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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.

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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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