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Cheap flights from Colorado to Basel from $318

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Basel departing on 1/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
3:05 pm - 10:10 am
COS
-
BSL
35h 05m2 stops
British Airways Logo
3:00 pm - 5:41 pm
BSL
-
COS
58h 41m2 stops
$491British Airways
Sat, Jan 31 - Sat, Feb 7
United Airlines Logo
10:35 am - 7:40 pm
ASE
-
BSL
25h 05m2 stops
United Airlines Logo
9:50 am - 10:15 pm
BSL
-
ASE
20h 25m2 stops
$499United Airlines
Wed, Feb 11 - Sun, Feb 15
United Airlines Logo
11:43 am - 7:40 pm
COS
-
BSL
23h 57m2 stops
United Airlines Logo
1:10 pm - 10:55 am
BSL
-
COS
29h 45m2 stops
$504United Airlines
Wed, Feb 11 - Sun, Feb 15
United Airlines Logo
12:32 pm - 4:05 pm
EGE
-
BSL
19h 33m2 stops
United Airlines Logo
9:50 am - 3:09 pm
BSL
-
EGE
37h 19m2 stops
$599United Airlines
Fri, Feb 13 - Tue, Feb 17
United Airlines Logo
12:32 pm - 4:05 pm
EGE
-
BSL
19h 33m2 stops
United Airlines Logo
9:50 am - 2:15 pm
BSL
-
EGE
36h 25m3 stops
$610United Airlines
Fri, Feb 13 - Tue, Feb 17
Multiple Airlines Logo
8:20 pm - 4:05 pm
DEN
-
BSL
11h 45m1 stop
Multiple Airlines Logo
10:35 am - 5:00 pm
BSL
-
DEN
13h 25m1 stop
$641Multiple Airlines
Wed, Mar 4 - Wed, Mar 11
Multiple Airlines Logo
4:15 pm - 4:05 pm
DEN
-
BSL
15h 50m2 stops
Multiple Airlines Logo
10:35 am - 5:00 pm
BSL
-
DEN
13h 25m1 stop
$645Multiple Airlines
Wed, Mar 4 - Wed, Mar 11
Multiple Airlines Logo
5:54 pm - 4:05 pm
DEN
-
BSL
15h 11m2 stops
Multiple Airlines Logo
10:35 am - 5:00 pm
BSL
-
DEN
13h 25m1 stop
$646Multiple Airlines
Wed, Mar 11 - Wed, Mar 18
Lufthansa Logo
8:20 pm - 7:40 pm
DEN
-
BSL
15h 20m1 stop
Lufthansa Logo
10:35 am - 4:00 pm
BSL
-
DEN
13h 25m1 stop
$692Lufthansa
Thu, Feb 26 - Thu, Mar 5
Lufthansa Logo
8:20 pm - 7:40 pm
DEN
-
BSL
15h 20m1 stop
Lufthansa Logo
6:30 am - 4:41 pm
BSL
-
DEN
18h 11m2 stops
$701Lufthansa
Thu, Feb 26 - Thu, Mar 5

British Airways flights from Colorado to Basel

Our best British Airways deals on Colorado to Basel flight tickets
British Airways
Jan 31
COS3:05 pmColorado Springs
35h 05m
2 stops
BSL10:10 amBasel EuroAirport Swiss
Feb 7
BSL3:00 pmBasel EuroAirport Swiss
58h 41m
2 stops
COS5:41 pmColorado Springs
$491
Find similar
British Airways
Jan 29
DEN5:25 pmDenver Intl
32h 50m
1 stop
BSL10:15 amBasel EuroAirport Swiss
Feb 2
BSL4:00 pmBasel EuroAirport Swiss
31h 30m
1 stop
DEN3:30 pmDenver Intl
$786
Find similar
British Airways
May 29
DEN12:31 pmDenver Intl
14h 29m
2 stops
BSL11:00 amBasel EuroAirport Swiss
Jun 13
BSL11:50 amBasel EuroAirport Swiss
16h 34m
2 stops
DEN8:24 pmDenver Intl
$1,794
Find similar

United Airlines flights from Colorado to Basel

Our best United Airlines deals on Colorado to Basel flight tickets
United Airlines
Feb 11
ASE10:35 amAspen Pitkin County
25h 05m
2 stops
BSL7:40 pmBasel EuroAirport Swiss
Feb 15
BSL9:50 amBasel EuroAirport Swiss
20h 25m
2 stops
ASE10:15 pmAspen Pitkin County
$499
Find similar
United Airlines
Feb 11
COS11:43 amColorado Springs
23h 57m
2 stops
BSL7:40 pmBasel EuroAirport Swiss
Feb 15
BSL1:10 pmBasel EuroAirport Swiss
29h 45m
2 stops
COS10:55 amColorado Springs
$504
Find similar
United Airlines
Feb 13
EGE12:32 pmVail Eagle County
19h 33m
2 stops
BSL4:05 pmBasel EuroAirport Swiss
Feb 17
BSL9:50 amBasel EuroAirport Swiss
37h 19m
2 stops
EGE3:09 pmVail Eagle County
$599
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Colorado to Basel 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Colorado to Basel that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Colorado SpringsBasel

COS - BSL

COSBSL

Colorado Springs

Sat 1/31

3:05 pm-10:10 am

2 stops35h 05m

Basel EuroAirport Swiss

Sat 2/7

3:00 pm-5:41 pm

2 stops58h 41m

$491

AspenBasel

ASE - BSL

ASEBSL

Aspen Pitkin County

Wed 2/11

10:35 am-7:40 pm

2 stops25h 05m

Basel EuroAirport Swiss

Sun 2/15

9:50 am-10:15 pm

2 stops20h 25m

$499

Colorado SpringsBasel

COS - BSL

COSBSL

Colorado Springs

Wed 2/11

11:43 am-7:40 pm

2 stops23h 57m

Basel EuroAirport Swiss

Sun 2/15

1:10 pm-10:55 am

2 stops29h 45m

$504

VailBasel

EGE - BSL

EGEBSL

Vail Eagle County

Fri 2/13

12:32 pm-4:05 pm

2 stops19h 33m

Basel EuroAirport Swiss

Tue 2/17

9:50 am-3:09 pm

2 stops37h 19m

$599

VailBasel

EGE - BSL

EGEBSL

Vail Eagle County

Fri 2/13

12:32 pm-4:05 pm

2 stops19h 33m

Basel EuroAirport Swiss

Tue 2/17

9:50 am-2:15 pm

3 stops36h 25m

$610

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Wed 3/4

8:20 pm-4:05 pm

1 stop11h 45m

Basel EuroAirport Swiss

Wed 3/11

10:35 am-5:00 pm

1 stop13h 25m

$641

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Wed 3/4

4:15 pm-4:05 pm

2 stops15h 50m

Basel EuroAirport Swiss

Wed 3/11

10:35 am-5:00 pm

1 stop13h 25m

$645

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Wed 3/11

5:54 pm-4:05 pm

2 stops15h 11m

Basel EuroAirport Swiss

Wed 3/18

10:35 am-5:00 pm

1 stop13h 25m

$646

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Thu 2/26

8:20 pm-7:40 pm

1 stop15h 20m

Basel EuroAirport Swiss

Thu 3/5

10:35 am-4:00 pm

1 stop13h 25m

$692

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Thu 2/26

8:20 pm-7:40 pm

1 stop15h 20m

Basel EuroAirport Swiss

Thu 3/5

6:30 am-4:41 pm

2 stops18h 11m

$701

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Basel from

How to get the cheapest flight ticket from Colorado to Basel

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Basel?

On average, the least expensive day to fly to Basel from Colorado is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $791. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Basel is Friday, with ticket prices averaging around $1,359.

Cheap Colorado to Basel flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Basel

Fastest flight time

11h 45m

Direct flights

None
The fastest flight from Colorado to Basel takes 11h 45m
There are no direct flights from Colorado to Basel. There are no popular flight routes from Colorado to Basel.
Search flight deals

  • When did momondo last update prices for flights from Colorado to Basel?

    Prices for flights from Colorado to Basel were last updated today.

  • How old do you have to be to fly from Colorado to Basel?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to Basel.

  • What documentation or ID do you need to fly to Basel?

    The travel and health documents you'll need for your trip to Basel may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Basel. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Basel?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Colorado to Basel. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Colorado to Basel with flexible booking policies on momondo?

All flight searches from Colorado to Basel on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Colorado to Basel?

Once all potential Colorado to Basel flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Colorado to Basel right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Basel, momondo offers a useful price alert feature which will track prices for flights to Basel from Colorado and alert you when they change.

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