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Cheap flights from Colorado to Basel from $387

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 9/17. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Colorado to Basel

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:30 am - 4:05 pmASE  Aspen Pitkin County-BSL Basel EuroAirport Swiss
24h 35m2 stops Denver Intl Munich Franz Josef Strauss
United Airlines Logo
6:45 am - 6:27 pmBSL  Basel EuroAirport Swiss-ASE Aspen Pitkin County
19h 42m2 stops Frankfurt am Main Denver Intl
$727United Airlines
Mon, Nov 9 - Thu, Nov 12
United Airlines Logo
6:09 pm - 7:30 pmASE  Aspen Pitkin County-BSL Basel EuroAirport Swiss
41h 21m2 stops Denver Intl Munich Franz Josef Strauss
United Airlines Logo
9:30 am - 8:33 pmBSL  Basel EuroAirport Swiss-ASE Aspen Pitkin County
19h 03m2 stops Munich Franz Josef Strauss Denver Intl
$734United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
3:55 pm - 2:00 pmDEN  Denver Intl-BSL Basel EuroAirport Swiss
14h 05m1 stop Frankfurt am Main
United Airlines Logo
6:40 am - 5:35 pmBSL  Basel EuroAirport Swiss-DEN Denver Intl
18h 55m2 stops Frankfurt am Main Chicago O'Hare Intl
$745United Airlines
Mon, Jan 11 - Tue, Jan 19
United Airlines Logo
5:13 pm - 2:00 pmCOS  Colorado Springs-BSL Basel EuroAirport Swiss
36h 47m2 stops Denver Intl Frankfurt am Main
United Airlines Logo
6:40 am - 9:22 pmBSL  Basel EuroAirport Swiss-COS Colorado Springs
22h 42m2 stops Frankfurt am Main Houston George Bush Intcntl
$745United Airlines
Sun, Jan 10 - Wed, Jan 13
Turkish Airlines Logo
7:30 pm - 9:50 amDEN  Denver Intl-BSL Basel EuroAirport Swiss
30h 20m1 stop Istanbul
Turkish Airlines Logo
6:10 pm - 5:25 pmBSL  Basel EuroAirport Swiss-DEN Denver Intl
31h 15m1 stop Istanbul
$749Turkish Airlines
Fri, Nov 20 - Sun, Nov 29
Turkish Airlines Logo
8:30 pm - 6:20 pmDEN  Denver Intl-BSL Basel EuroAirport Swiss
37h 50m1 stop Istanbul
Turkish Airlines Logo
7:15 pm - 6:25 pmBSL  Basel EuroAirport Swiss-DEN Denver Intl
31h 10m1 stop Istanbul
$749Turkish Airlines
Sat, Sep 26 - Sat, Oct 10
British Airways Logo
5:01 pm - 7:25 pmDEN  Denver Intl-BSL Basel EuroAirport Swiss
18h 24m1 stop London Heathrow
British Airways Logo
3:40 pm - 3:10 pmBSL  Basel EuroAirport Swiss-DEN Denver Intl
31h 30m1 stop London Heathrow
$752British Airways
Sun, Jan 31 - Thu, Feb 4
United Airlines Logo
3:55 pm - 2:00 pmDEN  Denver Intl-BSL Basel EuroAirport Swiss
14h 05m1 stop Frankfurt am Main
United Airlines Logo
6:45 am - 8:27 pmBSL  Basel EuroAirport Swiss-DEN Denver Intl
21h 42m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
$762United Airlines
Sun, Jan 31 - Thu, Feb 4
United Airlines Logo
3:55 pm - 2:00 pmDEN  Denver Intl-BSL Basel EuroAirport Swiss
14h 05m1 stop Frankfurt am Main
United Airlines Logo
6:45 am - 8:27 pmBSL  Basel EuroAirport Swiss-DEN Denver Intl
21h 42m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
$763United Airlines
Sun, Jan 31 - Thu, Feb 4
Turkish Airlines Logo
8:25 pm - 5:15 pmDEN  Denver Intl-BSL Basel EuroAirport Swiss
37h 50m1 stop Istanbul
Turkish Airlines Logo
6:10 pm - 7:25 pmBSL  Basel EuroAirport Swiss-DEN Denver Intl
32h 15m1 stop Istanbul
$764Turkish Airlines
Sat, Oct 24 - Sat, Oct 31

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United Airlines flights from Colorado to Basel EuroAirport Swiss

Our best United Airlines deals on Colorado to Basel EuroAirport Swiss flight tickets
United Airlines
Nov 9
ASE7:30 amAspen Pitkin County
24h 35m
2 stops
BSL4:05 pmBasel EuroAirport Swiss
Nov 12
BSL6:45 amBasel EuroAirport Swiss
19h 42m
2 stops
ASE6:27 pmAspen Pitkin County
$727
United Airlines
Nov 14
ASE6:09 pmAspen Pitkin County
41h 21m
2 stops
BSL7:30 pmBasel EuroAirport Swiss
Nov 17
BSL9:30 amBasel EuroAirport Swiss
19h 03m
2 stops
ASE8:33 pmAspen Pitkin County
$734
United Airlines
Jan 10
COS5:13 pmColorado Springs
36h 47m
2 stops
BSL2:00 pmBasel EuroAirport Swiss
Jan 13
BSL6:40 amBasel EuroAirport Swiss
22h 42m
2 stops
COS9:22 pmColorado Springs
$745

Turkish Airlines flights from Colorado to Basel EuroAirport Swiss

Our best Turkish Airlines deals on Colorado to Basel EuroAirport Swiss flight tickets
Turkish Airlines
Sep 26
DEN8:30 pmDenver Intl
37h 50m
1 stop
BSL6:20 pmBasel EuroAirport Swiss
Oct 10
BSL7:15 pmBasel EuroAirport Swiss
31h 10m
1 stop
DEN6:25 pmDenver Intl
$749
Turkish Airlines
Oct 24
DEN8:25 pmDenver Intl
37h 50m
1 stop
BSL5:15 pmBasel EuroAirport Swiss
Oct 31
BSL6:10 pmBasel EuroAirport Swiss
32h 15m
1 stop
DEN7:25 pmDenver Intl
$764
Turkish Airlines
Sep 12
DEN8:30 pmDenver Intl
29h 15m
1 stop
BSL9:45 amBasel EuroAirport Swiss
Sep 21
BSL7:15 pmBasel EuroAirport Swiss
31h 10m
1 stop
DEN6:25 pmDenver Intl
$779

momondo Fare Finder

 
Customize your flight search to find flights from Colorado to Basel EuroAirport Swiss 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 August 10, 2026.
Use the filters below to find and compare flights from Colorado to Basel EuroAirport Swiss that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AspenBasel

ASE Aspen Pitkin County - BSL Basel EuroAirport Swiss

ASEBSL

Aspen Pitkin County

Mon 11/9

7:30 am-4:05 pm

2 stops24h 35m

Basel EuroAirport Swiss

Thu 11/12

6:45 am-6:27 pm

2 stops19h 42m

$727

AspenBasel

ASE Aspen Pitkin County - BSL Basel EuroAirport Swiss

ASEBSL

Aspen Pitkin County

Sat 11/14

6:09 pm-7:30 pm

2 stops41h 21m

Basel EuroAirport Swiss

Tue 11/17

9:30 am-8:33 pm

2 stops19h 03m

$734
Quickest round-trip

DenverBasel

DEN Denver Intl - BSL Basel EuroAirport Swiss

DENBSL

Denver Intl

Mon 1/11

3:55 pm-2:00 pm

1 stop14h 05m

Basel EuroAirport Swiss

Tue 1/19

6:40 am-5:35 pm

2 stops18h 55m

$745

Colorado SpringsBasel

COS Colorado Springs - BSL Basel EuroAirport Swiss

COSBSL

Colorado Springs

Sun 1/10

5:13 pm-2:00 pm

2 stops36h 47m

Basel EuroAirport Swiss

Wed 1/13

6:40 am-9:22 pm

2 stops22h 42m

$745

DenverBasel

DEN Denver Intl - BSL Basel EuroAirport Swiss

DENBSL

Denver Intl

Fri 11/20

7:30 pm-9:50 am

1 stop30h 20m

Basel EuroAirport Swiss

Sun 11/29

6:10 pm-5:25 pm

1 stop31h 15m

$749

DenverBasel

DEN Denver Intl - BSL Basel EuroAirport Swiss

DENBSL

Denver Intl

Sat 9/26

8:30 pm-6:20 pm

1 stop37h 50m

Basel EuroAirport Swiss

Sat 10/10

7:15 pm-6:25 pm

1 stop31h 10m

$749

DenverBasel

DEN Denver Intl - BSL Basel EuroAirport Swiss

DENBSL

Denver Intl

Sun 1/31

5:01 pm-7:25 pm

1 stop18h 24m

Basel EuroAirport Swiss

Thu 2/4

3:40 pm-3:10 pm

1 stop31h 30m

$752

DenverBasel

DEN Denver Intl - BSL Basel EuroAirport Swiss

DENBSL

Denver Intl

Sun 1/31

3:55 pm-2:00 pm

1 stop14h 05m

Basel EuroAirport Swiss

Thu 2/4

6:45 am-8:27 pm

2 stops21h 42m

$762

DenverBasel

DEN Denver Intl - BSL Basel EuroAirport Swiss

DENBSL

Denver Intl

Sun 1/31

3:55 pm-2:00 pm

1 stop14h 05m

Basel EuroAirport Swiss

Thu 2/4

6:45 am-8:27 pm

2 stops21h 42m

$763

DenverBasel

DEN Denver Intl - BSL Basel EuroAirport Swiss

DENBSL

Denver Intl

Sat 10/24

8:25 pm-5:15 pm

1 stop37h 50m

Basel EuroAirport Swiss

Sat 10/31

6:10 pm-7:25 pm

1 stop32h 15m

$764

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Colorado to Basel EuroAirport Swiss

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

Can stopping save me money on Colorado to Basel EuroAirport Swiss flights?

You could potentially save up to 53% on your flight if you consider stops on a Colorado to Basel EuroAirport Swiss flight.

Cheap Colorado to Basel EuroAirport Swiss flight deals and tips

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

Fastest flight time

14h 05m

Direct flights

None
The fastest flight from Colorado to Basel EuroAirport Swiss takes 14h 05m
There are no direct flights from Colorado to Basel EuroAirport Swiss. There are no popular flight routes from Colorado to Basel EuroAirport Swiss.
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Frequently asked questions about flying from Colorado to Basel EuroAirport Swiss

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

    Prices for flights from Colorado to Basel EuroAirport Swiss are updated daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Colorado to Basel EuroAirport Swiss.

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

    The necessary travel and health documents for your Basel EuroAirport Swiss trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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?

Finding the right flight to Basel from Colorado is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Basel quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Colorado to Basel flights to just show those with 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?

Of course. momondo tracks the price of Colorado to Basel flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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