$128 Cheap Flights from Bellingham (BLI) to Denver (DEN)

View $128 flight on Fri, Dec 5, 2025Opens in a new window

Popular airlines from Bellingham, WA (BLI-Bellingham Intl.) to Denver Intl. Airport (DEN)

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Cheap Flights from Bellingham to Denver (BLI-DEN)

Prices were available within the past 7 days and start at $128 for one-way flights and $255 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Sat, Dec 6 - Wed, Dec 10
BLI
Bellingham
DEN
Denver
$255 Roundtrip, found 3 days ago
$255
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Sat, Dec 6 from Bellingham to Denver, returning Wed, Dec 10, priced at $255 found 3 days ago
Hawaiian Airlines
Tue, Dec 9 - Sun, Dec 14
BLI
Bellingham
DEN
Denver
$255 Roundtrip, found 6 hours ago
$255
Roundtrip
found 6 hours ago
Select Hawaiian Airlines flight, departing Tue, Dec 9 from Bellingham to Denver, returning Sun, Dec 14, priced at $255 found 6 hours ago
Hawaiian Airlines
Sat, Dec 6 - Wed, Dec 17
BLI
Bellingham
DEN
Denver
$258 Roundtrip, found 6 days ago
$258
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Sat, Dec 6 from Bellingham to Denver, returning Wed, Dec 17, priced at $258 found 6 days ago
Alaska Airlines
Tue, Jan 13 - Sun, Jan 18
BLI
Bellingham
DEN
Denver
$263 Roundtrip, found 9 hours ago
$263
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Tue, Jan 13 from Bellingham to Denver, returning Sun, Jan 18, priced at $263 found 9 hours ago
Hawaiian Airlines
Sun, Dec 7 - Mon, Dec 8
BLI
Bellingham
DEN
Denver
$265 Roundtrip, found 5 days ago
$265
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Sun, Dec 7 from Bellingham to Denver, returning Mon, Dec 8, priced at $265 found 5 days ago
Hawaiian Airlines
Wed, Dec 3 - Wed, Dec 17
BLI
Bellingham
DEN
Denver
$268 Roundtrip, found 6 days ago
$268
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Wed, Dec 3 from Bellingham to Denver, returning Wed, Dec 17, priced at $268 found 6 days ago
Hawaiian Airlines
Wed, Dec 3 - Tue, Dec 16
BLI
Bellingham
DEN
Denver
$274 Roundtrip, found 6 days ago
$274
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Wed, Dec 3 from Bellingham to Denver, returning Tue, Dec 16, priced at $274 found 6 days ago
Hawaiian Airlines
Tue, Dec 9 - Tue, Dec 16
BLI
Bellingham
DEN
Denver
$275 Roundtrip, found 6 hours ago
$275
Roundtrip
found 6 hours ago
Select Hawaiian Airlines flight, departing Tue, Dec 9 from Bellingham to Denver, returning Tue, Dec 16, priced at $275 found 6 hours ago
Hawaiian Airlines
Tue, Dec 9 - Tue, Dec 23
BLI
Bellingham
DEN
Denver
$278 Roundtrip, found 6 days ago
$278
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Tue, Dec 9 from Bellingham to Denver, returning Tue, Dec 23, priced at $278 found 6 days ago
American Airlines
Tue, Jan 13 - Sun, Jan 18
BLI
Bellingham
DEN
Denver
$414 Roundtrip, found 9 hours ago
$414
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Tue, Jan 13 from Bellingham to Denver, returning Sun, Jan 18, priced at $414 found 9 hours ago

Find the cheapest month to fly from Bellingham (BLI) to Denver (DEN)

May is typically the cheapest month to fly

From $228 - $471 per traveler.

Alternative airports near Denver

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

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $328
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $328

Frequently asked questions

How much does a flight from Bellingham Intl. Airport (BLI) to Denver Intl. Airport (DEN) cost?
Get a cheap one-way flight from $128 or cheap return flight from $255 from Bellingham Intl. Airport (BLI) to Denver Intl. Airport (DEN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Bellingham Intl. Airport (BLI) to Denver Intl. Airport (DEN)?
December is the cheapest month to fly from BLI to DEN. Avoiding peak travel times is often the key to scoring lower fares.
What is the cheapest airline that flies from Bellingham Intl. Airport (BLI) to Denver Intl. Airport (DEN)?
To find the cheapest airline flying from BLI to DEN, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Bellingham Intl. Airport (BLI) to Denver Intl. Airport (DEN)?
Nonstop flights from Bellingham Intl. Airport (BLI) to Denver Intl. Airport (DEN) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BLI to DEN?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from BLI to DEN?
With 100% of flights generally arriving on schedule, Southwest Airlines has the best on-time performance for direct flights from Bellingham Intl. Airport (BLI) to Denver Intl. Airport (DEN). To keep track of your flight status and get notifications if anything changes, use the Expedia App.
What is the best time to fly from Bellingham Intl. Airport (BLI) to Denver Intl. Airport (DEN)?
To avoid possible delays on the Bellingham Intl. Airport (BLI) to Denver Intl. Airport (DEN) route, aim to travel before 3 PM. Later departures have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Bellingham Intl. Airport (BLI) to Denver Intl. Airport (DEN) last-minute?
Last-minute bookings from BLI to DEN are typically more expensive. To lock in the lowest prices, start looking for flights early. That being said, if you're flexible with your travel plans, it's possible to land a cheap fare just before your departure.
Is it cheaper to book a BLI to DEN flight and hotel package?
You can save money by securing a BLI to DEN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your ideal accommodations and flights, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Bellingham Intl. Airport (BLI) to Denver Intl. Airport (DEN)?
If you booked your BLI to DEN flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

Travel information

Origin airport
Bellingham Intl.
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines
Roundtrip price
$254
Distance
1073 mi

Book with confidence

Bellingham to Denver Flights

The cheapest times to fly from Bellingham to Denver

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bellingham to Denver are during the month of December. You can find some of the cheapest flights from Bellingham to Denver with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bellingham to Denver

Sunday is one of the best days to book for cheap flights from Bellingham to Denver: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bellingham to Denver

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bellingham to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $128 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bellingham to Denver flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bellingham to Denver airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Bellingham to Denver Flights

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*Available to One Key members.