The cheapest times to fly from ALS to STN are

  • October 8th to October 21st
  • November 5th to December 9th (except the week of November 26th)

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 ALS to STN is early to mid October. Prices can be as high as $10700 for Saturday flights during mid December, or as low as $1373 for Wednesday flights around early to mid October.


When to Fly to London

Flying from Alamosa, CO (ALS) to London (STN) will usually cost between $2190 to $10400 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid October with an average ticket price of $1489. Due to high demand the most expensive time to fly is mid December, with an average price of $6412. Planning your trip to low-cost times can easily save you $4923 on economy flights and even more on first-class flights. Generally, any price below $4091 can be considered a good price for a round-trip ALS to STN flight.

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

ALS to STN Flight Prices

Compared to other flights, the ALS to STN flight is more expensive than the average and costs more than the average flight leaving from Alamosa. The average price per mile (for a direct flight) is $0.53, which is above average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to STN, and Tuesday the cheapest day to fly back into ALS. Saturdays 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 $2762 (44%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $3601. Return trip prices are from the STN to ALS 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 ALS to STN can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 9 hour 41 minutes may be realistic.


Flight Hacking ALS to STN

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 ALS to STN — but Champion Traveler does!

Hack #1: Newark, NJ (ALS > EWR > STN)

  • Price for both tickets: $993
  • Average savings: $3099 (75.74%)

See ALS to EWR flights

Hack #2: Denver, CO (ALS > DEN > STN)

  • Price for both tickets: $1039
  • Average savings: $3052 (74.6%)

See ALS to DEN flights

Hack #3: San Francisco, CA (ALS > SFO > STN)

  • Price for both tickets: $1056
  • Average savings: $3035 (74.19%)

See ALS to SFO flights


Flight Questions Answered

Still have questions about flying from ALS to STN? We’ve got answers.

Which airlines fly this route?

You can find 5 major airlines flying this route most often: Boutique Air, Eurowings, Lufthansa, SAS, United, and potentially more during busy seasons.

How far away is it from London Stansted Airport to San Luis Valley Regional/Bergman Field Airport?

The distance between the two airports is roughly 4834 miles or 7780 kilometers.

How long does it take to fly from ALS to STN?

The real-world flight time for a nonstop ALS to STN flight is about 9 hour 41 minutes.

How many flights go between Alamosa, CO and London?

It depends on the day of the week and the date, but a typical day might have around 19 available flights from ALS to STN.


Airport Location Info


Departing Airport

Origination code ALS
Origination airport name San Luis Valley Regional/Bergman Field Airport
City Alamosa, CO
Country the United States
Latitude 37.4
Longitude -105.9

Return Airport

Destination code STN
Destination airport name London Stansted Airport
City London
Country the United Kingdom
Latitude 51.9
Longitude 0.2


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.