$585 Cheap British Airways flights Colorado Springs (COS) to Shannon (SNN)

View $585 flight on Fri, Apr 17, 2026Opens in a new window

$585 Cheap British Airways flights Colorado Springs (COS) to Shannon (SNN)

Prices were available within the past 7 days and start at $585 for one-way flights and $686 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, Apr 6 - Fri, Apr 17
COS
Colorado Springs
SNN
Shannon
$686 Roundtrip, found 11 hours ago
$686
Roundtrip
found 11 hours ago
Select British Airways flight, departing Mon, Apr 6 from Colorado Springs to Shannon, returning Fri, Apr 17, priced at $686 found 11 hours ago
British Airways
Sat, Apr 4 - Fri, Apr 17
COS
Colorado Springs
SNN
Shannon
$706 Roundtrip, found 11 hours ago
$706
Roundtrip
found 11 hours ago
Select British Airways flight, departing Sat, Apr 4 from Colorado Springs to Shannon, returning Fri, Apr 17, priced at $706 found 11 hours ago
Flights from Colorado Springs (COS) to Shannon (SNN)
Origin airport
Colorado Springs
Destination airport
Shannon
Airlines serving
American Airlines, British Airways, United
Popular airline
British Airways
Distance
4366 mi

Frequently asked questions

How much is a British Airways flight from Colorado Springs Airport (COS) to Shannon Airport (SNN)?
Make use of the "Price (lowest to highest)" filter on Expedia to search for cheap British Airways return flights from $686 from COS to SNN. Affordable one-way tickets from $585 are also on offer.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from COS to SNN with British Airways?
British Airways flights to Shannon tend to be cheaper in the low-season months of January and February. Whether you're in search of a one-way or a return ticket, you could land a better deal then.
What is the cheapest time to book flights from Colorado Springs Airport (COS) to Shannon Airport (SNN) with British Airways?
Check for British Airways flights from COS to SNN about one month before you want to go. The most affordable time to book an international flight is generally 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. Regardless of fare class and itinerary, the best day of the week to book international airfare is usually Sunday. Friday is often the most expensive. Travelers booking on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does British Airways fly nonstop from Colorado Springs Airport (COS) to Shannon Airport (SNN)?
Enter your dates, hit search and use the "Nonstop" filter on Expedia to browse any direct flights from COS to SNN with British Airways or another carrier.
What is the earliest British Airways flight from COS to SNN?
To find the earliest departures from COS to SNN with British Airways, filter your search by "Early Morning" and "Morning." Choosing an early flight usually means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does British Airways fly into in Shannon?
Shannon Airport (SNN) is the main Shannon hub for British Airways flights from Colorado Springs Airport (COS).
What kind of luggage can I take on a British Airways flight from Colorado Springs Airport (COS) to Shannon Airport (SNN)?
For checked luggage, passengers can take 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 29 inches x 15 inches x 16 inches. You can also bring 2 cabin bags on board when flying standard economy from COS to SNN with British Airways. This carry-on must weigh less than 50 lb and be no bigger than 19 inches x 9 inches x 17 inches. Going over these limits can mean extra fees, so check British Airways's baggage allowance policies before packing.
Why fly with British Airways from COS to SNN?
British Airways makes flying from COS to SNN more comfortable with top-tier customer service and an excellent in-flight experience. You could even start collecting points with British Airways Executive Club. Be sure to join Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my British Airways flight from Colorado Springs Airport (COS) to Shannon Airport (SNN)?
It's usually possible to cancel or reschedule your flight, although there may be additional fees if you booked more than 24 hours ago. Need to keep your options open? Use Expedia's "No cancel fee" and "Changes included" filters to find flights that won't charge you extra if you need to alter your plans. To update your booking, head to "Trips," select your flight and click on "Manage Booking" for more details.

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*Available to One Key members.