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$127+ Cheap flights from Bellingham to Denver (BLI - DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — DEN
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap flight deals from Bellingham to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Bellingham (BLI) to Denver (DEN). 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 September 14, 2025.

Round-trip from

$207
(Trip.com)

One-way from

$127
(Kiwi.com)

Popular in

May

Cheapest in

September

Average price

$331
From Bellingham to Denver Intl
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One-way flight from Bellingham to Denver Intl
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Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Bellingham to Denver

Cheapest flights from Bellingham to Denver
Explore the most affordable flight options available from Bellingham to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/114:14 pmBLI - DEN
1 stop7h 21mMultiple Airlines
Sat 10/189:58 amDEN - BLI
1 stop6h 36mMultiple Airlines
Deal found 9/14$207
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/163:32 pmBLI - DEN
1 stop6h 38mMultiple Airlines
Sun 10/196:00 amDEN - BLI
1 stop8h 51mMultiple Airlines
Deal found 9/13$245
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2912:49 pmBLI - DEN
1 stop14h 11mMultiple Airlines
Fri 10/38:35 amDEN - BLI
2 stops15h 36mMultiple Airlines
Deal found 9/14$258
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/64:18 pmBLI - DEN
1 stop18h 26mAlaska Airlines
Wed 12/106:00 amDEN - BLI
1 stop8h 53mAlaska Airlines
Deal found 9/12$325
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:20 amBLI - DEN
1 stop8h 26mAlaska Airlines
Wed 12/106:00 amDEN - BLI
1 stop10h 38mAlaska Airlines
Deal found 9/12$360
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/104:14 pmBLI - DEN
1 stop20h 52mAlaska Airlines
Wed 10/158:10 amDEN - BLI
1 stop5h 12mAlaska Airlines
Deal found 9/14$383

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bellingham to Denver 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 September 14, 2025.
Use the filters below to find and compare flights from Bellingham to Denver that are best for you.

Fly from

Bellingham

Fly to

Denver

Route

Depart

Return

Price

BellinghamDenver

BLI - DEN

BLIDEN

Bellingham

Sat 10/11

4:14 pm-12:35 am

1 stop7h 21m

Denver Intl

Sat 10/18

9:58 am-3:34 pm

1 stop6h 36m

$207

BellinghamDenver

BLI - DEN

BLIDEN

Bellingham

Thu 10/16

3:32 pm-11:10 pm

1 stop6h 38m

Denver Intl

Sun 10/19

6:00 am-1:51 pm

1 stop8h 51m

$245

BellinghamDenver

BLI - DEN

BLIDEN

Bellingham

Mon 9/29

12:49 pm-4:00 am

1 stop14h 11m

Denver Intl

Fri 10/3

7:00 am-11:11 pm

1 stop17h 11m

$297

BellinghamDenver

BLI - DEN

BLIDEN

Bellingham

Sat 12/6

4:18 pm-11:44 am

1 stop18h 26m

Denver Intl

Wed 12/10

6:00 am-1:53 pm

1 stop8h 53m

$325

BellinghamDenver

BLI - DEN

BLIDEN

Bellingham

Wed 12/3

5:20 am-2:46 pm

1 stop8h 26m

Denver Intl

Wed 12/10

6:00 am-3:38 pm

1 stop10h 38m

$360

BellinghamDenver

BLI - DEN

BLIDEN

Bellingham

Fri 10/10

4:14 pm-2:06 pm

1 stop20h 52m

Denver Intl

Wed 10/15

8:10 am-12:22 pm

1 stop5h 12m

$383

BellinghamDenver

BLI - DEN

BLIDEN

Bellingham

Thu 10/2

8:30 am-6:22 pm

1 stop8h 52m

$127

BellinghamDenver

BLI - DEN

BLIDEN

Bellingham

Mon 9/22

12:49 pm-9:01 am

2 stops19h 12m

$140

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from Bellingham to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Bellingham 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 Bellingham to Denver

What is the cheapest month to book a flight from Bellingham to Denver?

Currently, October is the cheapest month in which you can book a flight from Bellingham to Denver (average of $197). Flying from Bellingham to Denver in March is currently the most expensive (average of $278). 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.

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated September 14, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines and Hawaiian Airlines from Bellingham to Denver to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,723 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Bellingham to Denver. 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 Bellingham to Denver?

    Alaska Airlines can get you from Bellingham to Denver in just under 8h 26m. Your travel time can differ by up to . There are 1072 mi between Bellingham and Denver.

  • What are the cheapest airlines flying from Bellingham to Denver round-trip?

    Cheapflights users have booked flights from Bellingham to Denver round-trip from $293. Another airline that can offer you cheap pricing is Hawaiian Airlines. Alaska Airlines is currently priced 35% below the average price you’ll pay for this route.

  • Can I find deals for flights from Bellingham to Denver that include hotel bookings?

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

  • How can I find direct flights from Bellingham to Denver?

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

  • Can I find deals for business class flights from Bellingham to Denver?

    Yes. Cheapflights offers flight deals from Bellingham to Denver 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 Bellingham to Denver?

    Currently, October is the cheapest month in which you can book a flight from Bellingham to Denver (average of $197). Flying from Bellingham to Denver in March is currently the most expensive (average of $278). 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 Denver?

Book flights to Denver if you plan to visit one of these locations
Westminster
Black Hawk
Golden
Winter Park
Broomfield
Greeley
Lone Tree
Lakewood
Cripple Creek
Thornton
Silverthorne
Frisco
Manitou Springs
Fort Morgan
Glendale
Wheat Ridge
Brighton
Longmont
Idaho Springs
Parker

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Bellingham to Denver

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Top 2 airlines flying from Bellingham to Denver

Discover the top 2 airlines that operate flights from Bellingham to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$293Average$475FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$308Average$508FlexibilityNo cancel feeOn-time85%

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