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Cheap flights from Calgary to Seattle from £98

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
26 Feb — 5 Mar1
1 adult

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 Tuesday

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 21 February 2025.

Round-trip from

£148

One-way from

£98

Popular in

December

Cheapest in

August

Average price

£208
United Airlines
  • United Airlines
  • 14/3-17/3
  • 2 total stops
  • 22h 11m total
  • Calgary to Seattle
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Alaska Airlines
  • Alaska Airlines
  • 4/3
  • Nonstop
  • 1h 49m total
  • Calgary to Seattle
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£27 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
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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 21 February 2025.

Fri 14/315:30YYC - SEA
1 stop6h 45mUnited Airlines
Mon 17/305:15SEA - YYC
1 stop15h 26mUnited Airlines
Deal found 21/2£148
Wed 28/511:15YYC - SEA
1 stop3h 54mWestJet
Sun 1/607:05SEA - YYC
Nonstop1h 40mWestJet
Deal found 20/2£152
Mon 3/313:20YYC - SEA
Nonstop2h 01mDelta
Tue 4/315:15SEA - YYC
Nonstop1h 40mDelta
Deal found 20/2£184
Thu 20/206:14YYC - SEA
1 stop17h 31mMultiple Airlines
Wed 26/210:35SEA - YYC
1 stop9h 50mMultiple Airlines
Deal found 20/2£195
Fri 14/318:59YYC - SEA
Nonstop1h 49mAlaska Airlines
Mon 17/315:36SEA - YYC
Nonstop1h 33mAlaska Airlines
Deal found 21/2£208

Find flights from Calgary to Seattle within your budget

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 21 February 2025.

Fly from

Calgary

Fly to

Seattle

Route

Depart

Return

Price

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 14/3

15:30-21:15

1 stop6h 45m

Seattle/Tacoma Intl

Mon 17/3

05:15-21:41

1 stop15h 26m

£148

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 28/5

11:15-14:09

1 stop3h 54m

Seattle/Tacoma Intl

Sun 1/6

07:05-09:45

Nonstop1h 40m

£152

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 3/3

13:20-14:21

Nonstop2h 01m

Seattle/Tacoma Intl

Tue 4/3

15:15-17:55

Nonstop1h 40m

£184

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 14/3

18:59-19:48

Nonstop1h 49m

Seattle/Tacoma Intl

Mon 17/3

15:36-18:09

Nonstop1h 33m

£208

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 4/3

18:59-19:48

Nonstop1h 49m

£98

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 10/3

19:20-11:50

2 stops17h 30m

£99

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 4/3

13:20-14:21

Nonstop2h 01m

£110

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sun 2/3

13:20-14:21

Nonstop2h 01m

£139

Flights are sorted by cheapest return flights first.

Deals found on 20/2

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.

Travel insights for flights from Calgary to Seattle

Get recent, data-driven insights about flights from Calgary to Seattle including ideal travel times, pricing trends, and more.

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 14 February 2025.

To ensure you get the cheapest price possible for a flight from Calgary to Seattle, you should look to book at least 51 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 21 February 2025.

It’s typically best to fly out from Calgary to Seattle in the morning. Doing so could potentially save you 33% 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 21 February 2025.

The most flights from YYC to SEA are scheduled on a Monday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 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 21 February 2025.
Alaska Airlines
8.0
Very Good
9,697 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

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
9,697 reviews
Alaska Airlines
8.0
Very Good
9,697 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

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
8,213 reviews
Alaska Airlines
8.0
Very Good
9,697 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

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
8,759 reviews
Alaska Airlines
8.0
Very Good
9,697 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

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
2,801 reviews
Alaska Airlines
8.0
Very Good
9,697 reviews
Check prices

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

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.

  • How popular is this Calgary to Seattle flight route?

    Flights from Calgary to Seattle/Tacoma Intl have been viewed 9 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 £148. Other airlines that can offer you cheap pricing are WestJet, from £152, and Delta, from £184. These flights start at 22% 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 £98. Users have also found prices from £99 and £110 on United Airlines and Delta, 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: Korean Air (68%), Delta (67%), WestJet (67%).

  • 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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