A mountainous landscape with a lake, forested areas, and a clear sky.

Cheap flights to Whatcom County

View €529 flight on Fri, 2 Oct 2026Opens in a new window

Popular airlines to Whatcom County

  • Alaska Airlines

  • American Airlines

  • Allegiant Air

  • Qatar Airways

  • Finnair

  • Aer Lingus

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Cheap round-trip flights to Whatcom County

Prices were available within the past 7 days and start at €529 for one-way flights and €879 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Aer Lingus
American Airlines
Aer Lingus
American Airlines
American Airlines
Aer Lingus
American Airlines
Finnair
British Airways

Trending flights to Whatcom County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus

Frequently asked questions

How do I find cheap flights to Whatcom County that have flexible change policies?
By using our neat "No change fee" filter, that's how. Just enter your travel details, click the "Search" button, then check the box directly underneath the "Flexible change policies" heading (to the left of your screen). Expedia makes it easy to find affordable, flexible tickets to Whatcom County.
Which airlines fly to Whatcom County?
Dig out your suitcase and select from these well-known airlines that offer flights into or near Whatcom County:
  • Allegiant Air - 73 flights to or near Whatcom County each month, including 73 flights to Bellingham Intl. Airport (BLI) per month.
  • Southwest Airlines - 60 flights to or near Whatcom County each month, including 60 flights to Bellingham Intl. Airport (BLI) per month.
  • Alaska Airlines - 60 flights to or near Whatcom County each month, including 60 flights to Bellingham Intl. Airport (BLI) per month.
How can I find cheap tickets to Whatcom County?
For an amazing deal to Whatcom County, book well ahead. Also take advantage of Expedia's "flexible dates" link above your search results. This will compare the cheapest prices for similar time frames. In the last seven days, €879 was the best price for a flight to Whatcom County.
How much is a flight to Whatcom County?
You could have purchased a return airfare to Whatcom County from anywhere between €879 and €1,081 in the last seven days. For one-way journeys leaving from Dublin (DUB), the lowest amount paid during this time was just €529.
What are the most popular airports to fly into in Whatcom County?
Pack your suitcase and jet into Bellingham Intl. Airport (BLI), Whatcom County's major flight hub. Book a fare on one of the 195 flights that land at this favourite destination every month.
How much is a plane ticket to Whatcom County?
In the last seven days, seats to Whatcom County fluctuated between €879 and €1,081. Prices rise as your travel date nears, so book a cheap flight today.
What is the best time to go to Whatcom County?
A great time to head to Whatcom County, along with the exciting city of Bellingham, is during the busy months of April, July and August. Summer here starts June 20, and you can expect average temperatures of between 10ºC and 21ºC if you visit then. This warmer weather is perfect for touring around the city sights.
What months are the cheapest to book a flight to Whatcom County?
The ideal month to snare a top deal to Whatcom County is February, while prices are at a premium in December. Avoid this month if you want to save your dollars.

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About Whatcom County

Expedia offers flights to Whatcom County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Whatcom County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Whatcom County
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