Cheap Flights to Whatcom County from $51 (2026/2027)

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A mountain range with snow-capped peaks, a calm lake reflecting the trees, and a road with a speed limit sign.

Bellingham

Flights
Bellingham

How Much Does it Cost To Fly To Whatcom County?

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Fri, Oct 23 - Sun, Oct 25
LAS
Harry Reid Intl.
BLI
Bellingham Intl.
$82 Roundtrip, just found
$82
Roundtrip
just found
Select Allegiant Air flight, departing Fri, Oct 23 from Harry Reid Intl. to Bellingham Intl., returning Sun, Oct 25, priced at $82 just found
Fri, Oct 23 - Sun, Oct 25
LAS
Harry Reid Intl.
BLI
Bellingham Intl.
$85 Roundtrip, just found
$85
Roundtrip
just found
Select Allegiant Air flight, departing Fri, Oct 23 from Harry Reid Intl. to Bellingham Intl., returning Sun, Oct 25, priced at $85 just found
Fri, Feb 12 - Sun, Feb 21
LAS
Harry Reid Intl.
BLI
Bellingham Intl.
$88 Roundtrip, found 17 hours ago
$88
Roundtrip
found 17 hours ago
Select Allegiant Air flight, departing Fri, Feb 12 from Harry Reid Intl. to Bellingham Intl., returning Sun, Feb 21, priced at $88 found 17 hours ago
Fri, Dec 4 - Sun, Dec 6
LAS
Harry Reid Intl.
BLI
Bellingham Intl.
$95 Roundtrip, found 23 hours ago
$95
Roundtrip
found 23 hours ago
Select Allegiant Air flight, departing Fri, Dec 4 from Harry Reid Intl. to Bellingham Intl., returning Sun, Dec 6, priced at $95 found 23 hours ago
Thu, Nov 5 - Mon, Nov 9
LAS
Harry Reid Intl.
BLI
Bellingham Intl.
$96 Roundtrip, found 17 hours ago
$96
Roundtrip
found 17 hours ago
Select Allegiant Air flight, departing Thu, Nov 5 from Harry Reid Intl. to Bellingham Intl., returning Mon, Nov 9, priced at $96 found 17 hours ago
Fri, Feb 12 - Sun, Feb 21
LAS
Harry Reid Intl.
BLI
Bellingham Intl.
$99 Roundtrip, found 17 hours ago
$99
Roundtrip
found 17 hours ago
Select Allegiant Air flight, departing Fri, Feb 12 from Harry Reid Intl. to Bellingham Intl., returning Sun, Feb 21, priced at $99 found 17 hours ago
Thu, Dec 10 - Mon, Dec 14
LAS
Harry Reid Intl.
BLI
Bellingham Intl.
$102 Roundtrip, found 3 hours ago
$102
Roundtrip
found 3 hours ago
Select Allegiant Air flight, departing Thu, Dec 10 from Harry Reid Intl. to Bellingham Intl., returning Mon, Dec 14, priced at $102 found 3 hours ago
Fri, Nov 13 - Sun, Nov 15
LAS
Harry Reid Intl.
BLI
Bellingham Intl.
$105 Roundtrip, found 1 day ago
$105
Roundtrip
found 1 day ago
Select Allegiant Air flight, departing Fri, Nov 13 from Harry Reid Intl. to Bellingham Intl., returning Sun, Nov 15, priced at $105 found 1 day ago
OriginDestinationTravel DatesFlights From*
LASBellinghamOctober 23 to October 25$82
AZABellinghamJanuary 14 to January 21$157
PDXBellinghamDecember 8 to December 15$217
SEABellinghamDecember 5 to December 12$217
SFOBellinghamNovember 7 to November 14$259
OAKBellinghamJanuary 5 to January 26$323
SANBellinghamNovember 4 to November 8$346
LAXBellinghamNovember 7 to November 14$362
BOIBellinghamDecember 5 to December 12$413
HNLBellinghamJanuary 13 to January 17$560
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
LASBellinghamOctober 9 to October 11$179
AZABellinghamOctober 10 to October 11$328
SEABellinghamOctober 10 to October 20$512
PDXBellinghamOctober 11 to October 15$547
SFOBellinghamOctober 9 to October 13$583
LAXBellinghamOctober 11 to October 21$848
BOIBellinghamOctober 9 to October 11$930
*Prices include taxes and fees

Best Whatcom County Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Raintree's Sandcastle
3.5-star property

Raintree's Sandcastle

Nov 8 - Nov 15

7 night stay

Denver (DEN) to Bellingham (BLI)

Alaska Airlines • Non-stop roundtrip • Coach
Save 100% on your flight
Price was $1,493, price is now $748 per person
$748
per person
found 5 hours ago
VI at Homestead
3.5-star property

VI at Homestead

Nov 8 - Nov 15

7 night stay

Denver (DEN) to Bellingham (BLI)

Alaska Airlines • Non-stop roundtrip • Coach
Price was $1,137, price is now $842 per person
$842
per person
found 5 hours ago
Worldmark Birch Bay
3.0-star property

Worldmark Birch Bay

Nov 8 - Nov 15

7 night stay

Denver (DEN) to Bellingham (BLI)

Alaska Airlines • Non-stop roundtrip • Coach
Price was $1,039, price is now $858 per person
$858
per person
found 5 hours ago
Don't see what you're looking for?
See all available trips from Denver to Whatcom County
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Frequently asked questions

How much is the cheapest flight to Whatcom County?
In the last seven days, the cheapest roundtrip flight to Whatcom County cost $82 on our site. Search through our superb deals, make a booking and get ready for your next fun vacation. This price was available on Travelocity for flights to Whatcom County departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly to Whatcom County?
Make sure you leave October clear in your calendar, because it's the most affordable time to make your way to Whatcom County. That's based on Travelocity's direct flight demand from January to December last year. With more cash in your wallet, you can upgrade your hotel booking, go out on the town or whatever makes you happy.
How can I check my flight status to Whatcom County?
Whether you'd like to confirm the status of your flight to Whatcom County or change your itinerary, you'll find everything you need on our customer portal, Trips. Click on "Trips" at the top of the Travelocity homepage, then log in or create an account. Another way to view and manage all your bookings is with the Travelocity app. Get alerts about gate changes or flight delays and easily share updates with any family flying with you.
How do I find the best deals on flights to Whatcom County?
Be flexible with your travel dates and you're likely to find an awesome deal. After you've searched for flights on Travelocity, click the "Flexible dates" feature at the top of the page to reveal prices for surrounding days. Also try to book ahead of schedule and avoid peak periods. In the last seven days, the best price for a roundtrip flight to Whatcom County was $82. This price was available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Why should I book my flight to Whatcom County with Travelocity?
Pack your case and get set to jet off with Travelocity. We'll help you track down fantastic deals on cheap flights to Whatcom County. Whether you're chasing flexible airfares or cheap family flights with low-cost airlines, we can make it happen.
What are the most popular flight routes to Whatcom County?
Browse through these top flight routes to Whatcom County and start planning your next great escape:

  • Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bellingham Intl. Airport (BLI) - 918 flights a month.
  • Las Vegas, NV (LAS-McCarran Intl.) to Bellingham Intl. Airport (BLI) - 199 flights a month.
  • Mesa, AZ (AZA-Phoenix - Mesa Gateway) to Bellingham Intl. Airport (BLI) - 21 flights a month.

How much is a flight to Whatcom County on average?
Based on prices found on Travelocity over the last seven days, roundtrip flights to Whatcom County cost between $82 and $930. Whenever you're ready to go, Travelocity will help you find a fare to fit your budget. These prices were available on Travelocity for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
How long is the average flight to Whatcom County?
The length of your direct flight to Whatcom County is dependent on your place of departure. For some idea of what to expect, here are the average travel times for a handful of popular routes to Whatcom County:

  • Seattle, WA (SEA-Seattle - Tacoma Intl.) to Bellingham Intl. Airport (BLI) - 50 minutes
  • Las Vegas, NV (LAS-McCarran Intl.) to Bellingham Intl. Airport (BLI) - 2 hours and 38 minutes
  • Mesa, AZ (AZA-Phoenix - Mesa Gateway) to Bellingham Intl. Airport (BLI) - 3 hours and 3 minutes

What can I expect on a flight to Whatcom County?
What you can expect depends on factors such as your carrier and how long your trip is. Most airlines typically offer things like drinks, warm meals and entertainment on long-haul journeys. Whether you're after first class flights to Whatcom County or cheap flights for family vacations, you'll be looked after from the minute you take off to the moment you land.