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Cheap Flights to Northwest Washington , WA from CA $201

View CA $201 flight on Thu, Oct 15, 2026Opens in a new window

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How much is the cheapest flight to Northwest Washington?

Prices were available within the past 7 days and start at CA $201 for one-way flights and CA $331 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Alaska Airlines
Air Canada
United
Delta

Alternative airports

Prices were available within the past 7 days. Prices and availability are subject to change.

Frequently asked questions

How do I find cheap flights to Northwest Washington that have flexible change policies?
By using our convenient "No change fee" filter, that's how. Simply enter your travel dates, click the "Search" button, then tick the box under the "Flexible change policies" heading (to the left of your screen). Expedia makes it easy to find flexible and affordable flights to Northwest Washington.
Which airlines fly to Northwest Washington?
With a good selection of airlines offering flights into or near Northwest Washington, you won't be short of options:
  • Alaska Airlines - 7,940 flights to or near Northwest Washington each month, including 7,593 flights to Seattle - Tacoma Intl. Airport (SEA) per month.
  • Delta - 3,907 flights to or near Northwest Washington each month, including 3,694 flights to Seattle - Tacoma Intl. Airport (SEA) per month.
  • Air Canada - 933 flights to or near Northwest Washington each month, including 933 flights to Vancouver Intl. Airport (YVR) per month.
How can I find cheap tickets to Northwest Washington?
To get your hands on a great deal to Northwest Washington, book well ahead of time. Also make use of Expedia's handy "flexible dates" link at the top of your search results. This will compare prices for the days around your travel dates. In the last seven days, CA $331 was the best price for a flight to Northwest Washington.
How much is a flight to Northwest Washington?
You could have snapped up a return air ticket to Northwest Washington from anywhere between CA $331 and CA $451 in the last seven days. For one-way journeys departing from Calgary (YYC), the lowest price during this time was just CA $201.
What are the most popular airports to fly into in Northwest Washington?
Which airport you touch down at in Northwest Washington depends on where you're coming from and where you're heading to. Listed below are three of the top airports in the region:
  • Seattle - Tacoma Intl. Airport (SEA) - 13,152 flights per month.
  • Vancouver Intl. Airport (YVR) - 1,900 flights per month.
  • Snohomish County - Paine Field Airport (PAE) - 260 flights per month.
When is the cheapest time to fly to Northwest Washington?
If you'd prefer to spend your hard-earned vacation dollars enjoying the delights of Northwest Washington rather than on flying there, take off early in the week. The most economical day to travel is generally Tuesday, with Monday coming in second. With many folks travelling on weekends, Saturday typically has the highest fares.
How much is a plane ticket to Northwest Washington?
In the last seven days, airfares to Northwest Washington ranged between CA $331 and CA $451. Prices depend on a number of things, particularly the time of departure, airline, seating class and how early the fare is booked.
What are the best things to do in Northwest Washington?
  • Kick off your Northwest Washington getaway in the bustling city of Bellingham. There's so much to keep you on the move here, from fascinating attractions like Western Washington University to great food, arts, shopping and more.
  • When figuring out what kind of clothes to take on your getaway, bear in mind that Bellingham has an oceanic climate. To give you a clearer picture of what to expect, check the weather conditions before you jet off.
  • You'll want to make Deming your next stop. It's around 21 kilometres to the northeast of Bellingham and home to Deming Homestead Eagle Park, one of the destination's best attractions.
What is the best time to go to Northwest Washington?
June, July and August are the busiest months to travel to Bellingham, one of Northwest Washington's leading destinations. If you're chasing a summer adventure, book your vacation from June 20 onward and make the most of the warm, sunny weather. Temperatures usually range from a low 11ºC to 21ºC around this time of year.
What months are the cheapest to book a flight to Northwest Washington?
An excellent month to purchase budget fares to Northwest Washington is February. It's worth noting that in the USA, an expensive time to reserve a ticket is the month of December.

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Find Your Flights to Northwest Washington SEA

Cheap flights to Northwest Washington (SEA)

Get started finding a cheap flight to Northwest Washington on Expedia by either choosing a deal on this page or using the search bar to enter your travel dates, origin airport, and whether you want a roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

We recommend using the ‘Flexible Dates’ calendar at the top of the page to see the price of plane tickets on the surrounding dates. This allows you to pick the cheapest days to fly if your trip allows flexibility and score cheap flight deals to Northwest Washington.

Roundtrip prices range from CA $331 - CA $451, and one-ways Northwest Washington start as low as CA $201.

Be aware that choosing a non-stop flight can sometimes be more expensive while saving you time. And routes with connections may be available at a cheaper rate.

Airlines that fly to Northwest Washington (SEA)

You have several options for which airline you choose to travel with to Northwest Washington. There are 10 airlines flying into SEA: WestJet, Alaska Airlines, Air Canada, United, American Airlines, Delta. 

Cheap plane tickets may be available from different airlines at different times and with unique terms. It’s best to understand the details of each airline’s offer before judging its value.

For example, if you plan to check a bag or bring a carry-on, check whether the cheap airfare deal includes a baggage allowance. If not, verify whether the baggage fee is higher than the difference of other airline plane ticket deals offering free checked/carry-on baggage in exchange for a slightly higher airfare. 

Additionally, your preferred frequent flyer membership programmes may influence your choice of cheap airline. Expedia allows you to enter your membership numbers during checkout to earn points from your airline and Expedia Rewards—all while getting a great deal and planning all your travel on one online platform.

Find the best deals

At Expedia, we source many flight deals from multiple providers, so you can easily find the best deals that are right for you. A great strategy for getting the best deals can be to make sure you book and travel at optimal times. Airfare to Northwest Washington (SEA) varies throughout the year based on seasonal demand. You’ll see the lowest rates for roundtrips to SEA in October and in October for one-ways.

Cancellation & flexibility

To change or cancel eligible flights, go to ‘My Trips’ and navigate to your itinerary. If you booked within the last 24 hours, you might be able to cancel your flight for free. Learn more about flight changes or cancellations from our customer service portal. Some plane tickets are available with no change fees, which you can filter for during your search.

Find Your Flights to Northwest Washington SEA

Travel information

Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Destination city name
Seattle
Roundtrip price
CA $126

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