The cheapest times to fly from BLI to COS are

  • January 8th to March 11th
  • July 30th to November 18th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from BLI to COS is mid to late August. Prices can be as high as $1070 for Sunday flights during early to mid June, or as low as $610 for Saturday flights around mid to late August.


When to Fly to Colorado Springs

Flying from Bellingham, WA (BLI) to Colorado Springs, CO (COS) will usually cost between $700 to $925 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late August with an average ticket price of $720. Due to high demand the most expensive time to fly is early to mid June, with an average price of $903. Planning your trip to low-cost times can easily save you $183 on economy flights and even more on first-class flights. Generally, any price below $784 can be considered a good price for a round-trip BLI to COS flight.

See below for a graph of average weekly prices for the BLI to COS route. All prices are for round-trip tickets in USD.

BLI to COS Flight Prices

Compared to other flights, the BLI to COS flight is cheaper than the average and costs less than the average flight leaving from Bellingham. The average price per mile (for a direct flight) is $0.43, which is a bit above average.


Flight Prices by Day of the Week

Saturday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $75 (9%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Saturday and returning a week later will cost an average of $756. Return trip prices are from the COS to BLI flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from BLI to COS can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 2 hour 60 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from BLI to COS while comparing.

Destination alternative #1: Denver International Airport (DEN) in Denver, CO

  • 73 miles (117 km) away from COS
  • Usually 53.73% less expensive than COS
  • 1-layover flights available

See BLI to DEN flights


Flight Hacking BLI to COS

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from BLI to COS — but Champion Traveler does!

Hack #1: Las Vegas, NV (BLI > LAS > COS)

  • Price for both tickets: $555
  • Average savings: $229 (29.23%)

See BLI to LAS flights

Hack #2: Seattle, WA (BLI > SEA > COS)

  • Price for both tickets: $597
  • Average savings: $187 (23.8%)

See BLI to SEA flights

Hack #3: Portland, OR (BLI > PDX > COS)

  • Price for both tickets: $652
  • Average savings: $132 (16.78%)

See BLI to PDX flights


Flight Questions Answered

Still have questions about flying from BLI to COS? We’ve got answers.

Which airlines fly this route?

You can find 4 major airlines flying this route most often: Alaska, American, Delta, United, and potentially more during busy seasons.

How far away is it from City of Colorado Springs Municipal Airport to Bellingham International Airport?

The distance between the two airports is roughly 1121 miles or 1804 kilometers.

How long does it take to fly from BLI to COS?

The real-world flight time for a nonstop BLI to COS flight is about 2 hour 60 minutes.

How many flights go between Bellingham, WA and Colorado Springs, CO?

It depends on the day of the week and the date, but a typical day might have around 24 available flights from BLI to COS.


Airport Location Info


Departing Airport

Origination code BLI
Origination airport name Bellingham International Airport
City Bellingham, WA
Country the United States
Latitude 48.8
Longitude -122.5

Return Airport

Destination code COS
Destination airport name City of Colorado Springs Municipal Airport
City Colorado Springs, CO
Country the United States
Latitude 38.8
Longitude -104.7


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.