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$585+ Cheap flights from Colorado Springs (COS) to London (LON)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
COS — LON
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Colorado Springs to London

Discover tips and strategies to find the most affordable flight options for your journey from Colorado Springs (COS) to London (LON). 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 17, 2025.

Round-trip from

$585
(Delta)

Popular in

December

Cheapest in

February

Average price

$803
From Colorado Springs to London (LON)
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($296 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease ($112 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Colorado Springs to London

Cheapest flights from Colorado Springs to London
Explore the most affordable flight options available from Colorado Springs to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/126:00 amCOS - LHR
1 stop18h 15mDelta
Wed 10/226:30 amLHR - COS
2 stops17h 39mDelta
Deal found 9/15$585
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/126:00 amCOS - LHR
1 stop18h 15mDelta
Thu 10/238:40 amLHR - COS
2 stops18h 50mDelta
Deal found 9/16$586
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/125:49 pmCOS - LCY
2 stops15h 51mDelta
Wed 10/227:45 amLCY - COS
2 stops19h 45mDelta
Deal found 9/15$642
This KLM deal was found by Cheapflights users on 9/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:00 amCOS - LCY
2 stops19h 50mKLM
Thu 12/46:55 pmLCY - COS
2 stops29h 24mKLM
Deal found 9/17$693
This British Airways deal was found by Cheapflights users on 9/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:45 pmCOS - LHR
1 stop12h 50mBritish Airways
Thu 12/44:30 pmLHR - COS
1 stop14h 18mBritish Airways
Deal found 9/17$758
This Air Canada deal was found by Cheapflights users on 9/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/127:30 amCOS - LHR
2 stops16h 00mMultiple Airlines
Wed 10/2212:05 pmLHR - COS
3 stops16h 49mMultiple Airlines
Deal found 9/15$762
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/236:00 amCOS - LHR
1 stop20h 00mDelta
Mon 12/16:30 amLHR - COS
2 stops21h 10mDelta
Deal found 9/15$773
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3012:10 pmCOS - LHR
1 stop13h 20mUnited Airlines
Thu 11/611:35 amLHR - COS
1 stop11h 53mUnited Airlines
Deal found 9/15$801
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/231:42 pmCOS - LCY
2 stops19h 53mDelta
Mon 12/110:00 amLCY - COS
2 stops17h 40mDelta
Deal found 9/17$813
This FlightHub deal was found by Cheapflights users on 9/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1310:34 amCOS - LHR
2 stops14h 56mAir Canada
Thu 12/46:00 pmLHR - COS
2 stops27h 29mAir Canada
Deal found 9/17$815
This Booking.com deal was found by Cheapflights users on 9/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1310:34 amCOS - LCY
3 stops23h 31mMultiple Airlines
Thu 12/49:15 amLCY - COS
3 stops19h 44mMultiple Airlines
Deal found 9/17$923
This United Airlines deal was found by Cheapflights users on 9/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/112:30 pmCOS - LCY
2 stops22h 35mMultiple Airlines
Sat 11/812:20 pmLCY - COS
3 stops38h 45mMultiple Airlines
Deal found 9/16$1,042

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado Springs to London 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 17, 2025.
Use the filters below to find and compare flights from Colorado Springs to London that are best for you.

Fly from

Colorado Springs

Fly to

London

Route

Depart

Return

Price

Colorado SpringsLondon

COS - LHR

COSLHR

Colorado Springs

Sun 10/12

6:00 am-7:15 am

1 stop18h 15m

London Heathrow

Thu 10/23

8:40 am-8:30 pm

2 stops18h 50m

$585

Colorado SpringsLondon

COS - LHR

COSLHR

Colorado Springs

Sun 10/12

6:00 am-7:15 am

1 stop18h 15m

London Heathrow

Wed 10/22

6:30 am-5:09 pm

2 stops17h 39m

$585

Colorado SpringsLondon

COS - LCY

COSLCY

Colorado Springs

Sun 10/12

5:49 pm-4:40 pm

2 stops15h 51m

London City

Wed 10/22

7:45 am-8:30 pm

2 stops19h 45m

$642

Colorado SpringsLondon

COS - LCY

COSLCY

Colorado Springs

Sun 10/12

5:49 pm-4:40 pm

2 stops15h 51m

London City

Thu 10/23

8:40 am-8:30 pm

2 stops18h 50m

$642

Colorado SpringsLondon

COS - LCY

COSLCY

Colorado Springs

Thu 11/13

6:00 am-8:50 am

2 stops19h 50m

London City

Thu 12/4

6:55 pm-5:19 pm

2 stops29h 24m

$693

Colorado SpringsLondon

COS - LHR

COSLHR

Colorado Springs

Thu 11/13

12:45 pm-8:35 am

1 stop12h 50m

London Heathrow

Thu 12/4

4:30 pm-11:48 pm

1 stop14h 18m

$758

Colorado SpringsLondon

COS - LHR

COSLHR

Colorado Springs

Sun 10/12

7:30 am-6:30 am

2 stops16h 00m

London Heathrow

Wed 10/22

12:05 pm-9:54 pm

3 stops16h 49m

$762

Colorado SpringsLondon

COS - LHR

COSLHR

Colorado Springs

Sun 11/23

6:00 am-9:00 am

1 stop20h 00m

London Heathrow

Mon 12/1

6:30 am-8:40 pm

2 stops21h 10m

$773

Colorado SpringsLondon

COS - LCY

COSLCY

Colorado Springs

Thu 11/13

10:34 am-5:05 pm

3 stops23h 31m

London City

Thu 12/4

9:15 am-9:59 pm

3 stops19h 44m

$923

Colorado SpringsLondon

COS - LCY

COSLCY

Colorado Springs

Sat 11/1

12:30 pm-5:05 pm

2 stops22h 35m

London City

Sat 11/8

12:20 pm-8:05 pm

3 stops38h 45m

$1,042

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 11 results
1
2

Best time to book a flight from Colorado Springs to London

Have a flexible travel schedule? Discover the best time to fly to London from Colorado Springs 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 Colorado Springs to London

What is the cheapest month to book a flight from Colorado Springs to London?

Currently, November is the cheapest month in which you can book a flight from Colorado Springs to London (average of $661). Flying from Colorado Springs to London in June is currently the most expensive (average of $1,097). 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 London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated September 17, 2025.
Read through reviews of airlines operating flights from Colorado Springs to London, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Related info for your journey

Find useful and relevant information for your journey from Colorado Springs to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Colorado Springs to London?

    Most people fly from Colorado Springs (COS) if they book a flight from Colorado Springs to London. On average, Colorado Springs has 0 outbound flights to London per day from 2 airlines. Colorado Springs is conveniently located just 6.7 mi from Colorado Springs’s city center.

  • How long is the flight from Colorado Springs to London?

    For as low as $585, Delta can have you in London from Colorado Springs in 18h 15m. There are 4711 mi between Colorado Springs and London. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Colorado Springs to London round-trip?

    Cheapflights users have booked flights from Colorado Springs to London round-trip from $687. Another airline that can offer you cheap pricing is United Airlines. British Airways is priced at 32% lower than the current average price of a flight leaving 3 months from now.

  • What are the most popular routes from Colorado Springs to London?

    The most popular route from Colorado Springs to London is Colorado Springs - London Heathrow. You may also consider Colorado Springs - London City or Colorado Springs - London Gatwick.

  • Can I find deals for flights from Colorado Springs to London that include hotel bookings?

    Yes. In addition to deals on Colorado Springs to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado Springs to London?

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

  • Can I find deals for business class flights from Colorado Springs to London?

    Yes. Cheapflights offers flight deals from Colorado Springs to London 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 Colorado Springs to London?

    Currently, November is the cheapest month in which you can book a flight from Colorado Springs to London (average of $661). Flying from Colorado Springs to London in June is currently the most expensive (average of $1,097). 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 London?

Book flights to London if you plan to visit one of these locations
Hounslow
Hayes
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Wembley
Folkestone
Chichester
Eastbourne
Sutton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado Springs to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Colorado Springs to London

Discover the top 2 airlines that operate flights from Colorado Springs to London. 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$687Average$860FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$692Average$849FlexibilityNo cancel feeOn-time69%

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