HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Castlegar

$683+ Cheap flights from Seattle (SEA) to Castlegar (YCG)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YCG
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Castlegar with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Seattle to Castlegar

Cheapest flights from Seattle to Castlegar
Explore the most affordable flight options available from Seattle to Castlegar. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Air Canada deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/143:40 pm
SEA
-
YCG
1 stop18h 47m
Air Canada
Sat 3/2111:05 am
YCG
-
SEA
1 stop3h 56m
Air Canada
Deal found 1/28$683
This Air Canada deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/55:50 am
SEA
-
YCG
1 stop4h 35m
Air Canada
Wed 4/811:00 am
YCG
-
SEA
1 stop22h 33m
Air Canada
Deal found 1/26$708
This Air Canada deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:40 am
SEA
-
YCG
1 stop4h 47m
Air Canada
Wed 3/1111:05 am
YCG
-
SEA
1 stop22h 30m
Air Canada
Deal found 1/28$783
This Air Canada deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/149:20 am
SEA
-
YCG
2 stops25h 07m
Multiple Airlines
Sat 3/2111:05 am
YCG
-
SEA
1 stop3h 56m
Multiple Airlines
Deal found 1/28$811

Find flight deals from Seattle to Castlegar

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Castlegar (YCG). 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$683
(Air Canada)
Provider with most accurate pricing for Seattle/Tacoma Intl-Castlegar flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Castlegar flights.
Search Deals
From Seattle/Tacoma Intl to Castlegar
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Castlegar 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 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Seattle to Castlegar that are best for you.

Fly from

Seattle

Fly to

Castlegar

Route

Depart

Return

Price

SeattleCastlegar

SEA - YCG

SEAYCG

Seattle/Tacoma Intl

Sat 3/14

3:40 pm-10:27 am

1 stop18h 47m

Castlegar

Sat 3/21

11:05 am-3:01 pm

1 stop3h 56m

$683

SeattleCastlegar

SEA - YCG

SEAYCG

Seattle/Tacoma Intl

Sun 4/5

5:50 am-10:25 am

1 stop4h 35m

Castlegar

Wed 4/8

11:00 am-9:33 am

1 stop22h 33m

$708

SeattleCastlegar

SEA - YCG

SEAYCG

Seattle/Tacoma Intl

Tue 3/10

5:40 am-10:27 am

1 stop4h 47m

Castlegar

Wed 3/11

11:05 am-9:35 am

1 stop22h 30m

$783

SeattleCastlegar

SEA - YCG

SEAYCG

Seattle/Tacoma Intl

Sat 3/14

9:20 am-10:27 am

2 stops25h 07m

Castlegar

Sat 3/21

11:05 am-3:01 pm

1 stop3h 56m

$811

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

  • Most accurate provider: When it comes to deals on Seattle-Castlegar flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Castlegar flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Castlegar flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Castlegar flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Castlegar flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Castlegar

Have a flexible travel schedule? Discover the best time to fly to Castlegar from Seattle 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 Seattle to Castlegar

What is the cheapest month to book a flight from Seattle to Castlegar?

Currently, April is the cheapest month in which you can book a flight from Seattle to Castlegar (average of $55). Flying from Seattle to Castlegar in September is currently the most expensive (average of $192). 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.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Castlegar. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to Castlegar?

    There are many flights that can get you from Seattle to Castlegar in 18h 47m. Fly via Air Canada to get the fastest option. The distance from Seattle to Castlegar is about 249 mi.

  • Can I find deals for flights from Seattle to Castlegar that include hotel bookings?

    Yes. In addition to deals on Seattle to Castlegar flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Castlegar?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Castlegar.

  • Can I find deals for business class flights from Seattle to Castlegar?

    Yes. Cheapflights offers flight deals from Seattle to Castlegar 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 Seattle to Castlegar?

    Currently, April is the cheapest month in which you can book a flight from Seattle to Castlegar (average of $55). Flying from Seattle to Castlegar in September is currently the most expensive (average of $192). 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

Traveling to a place near Castlegar?

Book flights to Castlegar if you plan to visit one of these locations
Nelson

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.

Alternative routes for Seattle to Castlegar

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Vancouver Intl flights
Seattle to Calgary flights
Portland to Vancouver Intl flights
Portland to Calgary flights
Seattle to Kelowna flights
Seattle to Victoria flights
Spokane to Vancouver Intl flights
Portland to Victoria flights
Pasco to Vancouver Intl flights
Seattle to Comox flights
Portland to Kelowna flights
Spokane to Calgary flights
Portland to Comox flights
Portland to Kamloops flights
Seattle to Kamloops flights
Seattle to Nanaimo flights
Bellingham to Vancouver Intl flights
Yakima to Vancouver Intl flights
Seattle to Campbell River flights
Pasco to Victoria flights
Seattle to Smithers flights
Seattle to Cranbrook flights
Seattle to Penticton flights
Bellingham to Victoria flights
Portland to Williams Lake flights
Bellingham to Kelowna flights

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.