Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Colorado to Basel from $511

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 12/10. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Colorado to Basel

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
3:17 pm - 10:20 pmDEN-BSL
23h 03m2 stops
British Airways Logo
7:00 am - 3:30 pmBSL-DEN
16h 30m1 stop
$516British Airways
Find Deal
Tue, Jan 13 - Tue, Jan 20
British Airways Logo
12:52 pm - 10:20 pmDEN-BSL
25h 28m2 stops
British Airways Logo
7:00 am - 10:24 pmBSL-DEN
23h 24m2 stops
$526British Airways
Find Deal
Tue, Jan 13 - Tue, Jan 20
American Airlines Logo
12:09 pm - 3:05 pmDEN-BSL
18h 56m2 stops
American Airlines Logo
6:05 am - 7:01 pmBSL-DEN
20h 56m2 stops
$549American Airlines
Find Deal
Thu, Dec 4 - Thu, Dec 11
British Airways Logo
5:25 pm - 6:15 pmDEN-BSL
16h 50m1 stop
British Airways Logo
4:25 pm - 3:30 pmBSL-DEN
31h 05m1 stop
$561British Airways
Find Deal
Mon, Dec 1 - Sun, Dec 14
Lufthansa Logo
1:35 pm - 7:40 pmCOS-BSL
23h 05m2 stops
Lufthansa Logo
11:00 am - 6:30 pmBSL-COS
15h 30m2 stops
$645Lufthansa
Find Deal
Fri, Mar 27 - Tue, Mar 31
United Airlines Logo
12:22 pm - 4:05 pmASE-BSL
20h 43m2 stops
United Airlines Logo
11:00 am - 9:54 pmBSL-ASE
18h 54m2 stops
$645United Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31
Air France Logo
1:42 pm - 5:25 pmCOS-BSL
19h 43m2 stops
Air France Logo
10:30 am - 8:40 pmBSL-COS
18h 10m2 stops
$646Air France
Find Deal
Wed, Nov 19 - Sun, Nov 23
Lufthansa Logo
4:20 pm - 12:30 pmDEN-BSL
12h 10m1 stop
Lufthansa Logo
9:50 am - 2:35 pmBSL-DEN
12h 45m1 stop
$661Lufthansa
Find Deal
Tue, Jan 13 - Tue, Jan 20
American Airlines Logo
4:10 pm - 6:15 pmDEN-BSL
18h 05m2 stops
American Airlines Logo
1:30 pm - 11:57 pmBSL-DEN
18h 27m2 stops
$734American Airlines
Find Deal
Mon, Dec 1 - Sun, Dec 14
United Airlines Logo
1:35 pm - 7:40 pmCOS-BSL
23h 05m2 stops
United Airlines Logo
8:20 am - 9:22 pmBSL-COS
21h 02m2 stops
$734United Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31

British Airways flights from Colorado to Basel

Our best British Airways deals on Colorado to Basel flight tickets
British Airways
Jan 13
DEN3:17 pmDenver Intl
23h 03m
2 stops
BSL10:20 pmBasel EuroAirport Swiss
Jan 20
BSL7:00 amBasel EuroAirport Swiss
16h 30m
1 stop
DEN3:30 pmDenver Intl
$516
Find similar
British Airways
Jan 13
DEN12:52 pmDenver Intl
25h 28m
2 stops
BSL10:20 pmBasel EuroAirport Swiss
Jan 20
BSL7:00 amBasel EuroAirport Swiss
23h 24m
2 stops
DEN10:24 pmDenver Intl
$526
Find similar
British Airways
Dec 1
DEN5:25 pmDenver Intl
16h 50m
1 stop
BSL6:15 pmBasel EuroAirport Swiss
Dec 14
BSL4:25 pmBasel EuroAirport Swiss
31h 05m
1 stop
DEN3:30 pmDenver Intl
$561
Find similar

Lufthansa flights from Colorado to Basel

Our best Lufthansa deals on Colorado to Basel flight tickets
Lufthansa
Mar 27
COS1:35 pmColorado Springs
23h 05m
2 stops
BSL7:40 pmBasel EuroAirport Swiss
Mar 31
BSL11:00 amBasel EuroAirport Swiss
15h 30m
2 stops
COS6:30 pmColorado Springs
$645
Find similar
Lufthansa
Jan 13
DEN4:20 pmDenver Intl
12h 10m
1 stop
BSL12:30 pmBasel EuroAirport Swiss
Jan 20
BSL9:50 amBasel EuroAirport Swiss
12h 45m
1 stop
DEN2:35 pmDenver Intl
$661
Find similar
Lufthansa
Jan 12
DEN5:42 pmDenver Intl
14h 23m
2 stops
BSL4:05 pmBasel EuroAirport Swiss
Jan 20
BSL9:50 amBasel EuroAirport Swiss
12h 45m
1 stop
DEN2:35 pmDenver Intl
$665
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 November 6, 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

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Tue 1/13

3:17 pm-10:20 pm

2 stops23h 03m

Basel EuroAirport Swiss

Tue 1/20

7:00 am-3:30 pm

1 stop16h 30m

$516

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Tue 1/13

12:52 pm-10:20 pm

2 stops25h 28m

Basel EuroAirport Swiss

Tue 1/20

7:00 am-10:24 pm

2 stops23h 24m

$526

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Thu 12/4

12:09 pm-3:05 pm

2 stops18h 56m

Basel EuroAirport Swiss

Thu 12/11

6:05 am-7:01 pm

2 stops20h 56m

$549

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Mon 12/1

5:25 pm-6:15 pm

1 stop16h 50m

Basel EuroAirport Swiss

Sun 12/14

4:25 pm-3:30 pm

1 stop31h 05m

$561

Colorado SpringsBasel

COS - BSL

COSBSL

Colorado Springs

Fri 3/27

1:35 pm-7:40 pm

2 stops23h 05m

Basel EuroAirport Swiss

Tue 3/31

11:00 am-6:30 pm

2 stops15h 30m

$645

AspenBasel

ASE - BSL

ASEBSL

Aspen Pitkin County

Fri 3/27

12:22 pm-4:05 pm

2 stops20h 43m

Basel EuroAirport Swiss

Tue 3/31

11:00 am-9:54 pm

2 stops18h 54m

$645

Colorado SpringsBasel

COS - BSL

COSBSL

Colorado Springs

Wed 11/19

1:42 pm-5:25 pm

2 stops19h 43m

Basel EuroAirport Swiss

Sun 11/23

10:30 am-8:40 pm

2 stops18h 10m

$646

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Tue 1/13

4:20 pm-12:30 pm

1 stop12h 10m

Basel EuroAirport Swiss

Tue 1/20

9:50 am-2:35 pm

1 stop12h 45m

$661

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Mon 12/1

4:10 pm-6:15 pm

2 stops18h 05m

Basel EuroAirport Swiss

Sun 12/14

1:30 pm-11:57 pm

2 stops18h 27m

$734

Colorado SpringsBasel

COS - BSL

COSBSL

Colorado Springs

Fri 3/27

1:35 pm-7:40 pm

2 stops23h 05m

Basel EuroAirport Swiss

Tue 3/31

8:20 am-9:22 pm

2 stops21h 02m

$734

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

Direct flights

None
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.

An easier way to manage your Basel trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 12/6
Sat 12/13
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Switzerland