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Cheap flights from Colorado to Basel from $494

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 4/29. 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

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Find the cheapest flights from Colorado to Basel

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:25 pm - 6:15 pm
DEN
-
BSL
37h 50m
1 stop
Multiple Airlines Logo
7:10 pm - 1:24 pm
BSL
-
DEN
26h 14m
2 stops
$947Multiple Airlines
Sun, Aug 30 - Sun, Sep 6
Turkish Airlines Logo
6:00 am - 9:45 am
DEN
-
BSL
19h 45m
2 stops
Turkish Airlines Logo
10:40 am - 9:39 pm
BSL
-
DEN
42h 59m
2 stops
$992Turkish Airlines
Fri, Sep 11 - Thu, Sep 17
Multiple Airlines Logo
6:00 am - 9:45 am
DEN
-
BSL
43h 45m
2 stops
Multiple Airlines Logo
7:10 pm - 1:24 pm
BSL
-
DEN
26h 14m
2 stops
$1,042Multiple Airlines
Sun, Aug 30 - Sun, Sep 6
Multiple Airlines Logo
8:25 pm - 9:45 am
DEN
-
BSL
29h 20m
1 stop
Multiple Airlines Logo
7:15 am - 4:30 pm
BSL
-
DEN
17h 15m
1 stop
$1,124Multiple Airlines
Sun, Aug 30 - Sun, Sep 6
Multiple Airlines Logo
11:59 pm - 9:45 am
DEN
-
BSL
25h 46m
2 stops
Multiple Airlines Logo
7:10 pm - 1:24 pm
BSL
-
DEN
26h 14m
2 stops
$1,157Multiple Airlines
Fri, Aug 7 - Sat, Aug 15
Lufthansa Logo
4:15 pm - 12:25 pm
DEN
-
BSL
12h 10m
1 stop
Lufthansa Logo
8:15 pm - 1:45 pm
BSL
-
DEN
25h 30m
1 stop
$1,209Lufthansa
Fri, Sep 11 - Thu, Sep 17
Lufthansa Logo
4:15 pm - 12:25 pm
DEN
-
BSL
12h 10m
1 stop
Lufthansa Logo
8:15 pm - 1:45 pm
BSL
-
DEN
25h 30m
1 stop
$1,210Lufthansa
Fri, Sep 11 - Thu, Sep 17
Lufthansa Logo
4:15 pm - 12:25 pm
DEN
-
BSL
12h 10m
1 stop
Lufthansa Logo
8:15 pm - 12:19 am
BSL
-
DEN
36h 04m
2 stops
$1,225Lufthansa
Fri, Sep 11 - Thu, Sep 17
British Airways Logo
10:57 am - 11:00 am
DEN
-
BSL
16h 03m
2 stops
British Airways Logo
6:10 am - 4:30 pm
BSL
-
DEN
18h 20m
1 stop
$1,254British Airways
Fri, Sep 11 - Thu, Sep 17
Lufthansa Logo
4:15 pm - 12:25 pm
DEN
-
BSL
12h 10m
1 stop
Lufthansa Logo
8:15 am - 5:55 pm
BSL
-
DEN
17h 40m
2 stops
$1,255Lufthansa
Fri, Sep 11 - Thu, Sep 17

United Airlines flights from Colorado to Basel

Our best United Airlines deals on Colorado to Basel flight tickets
United Airlines
Aug 7
DEN4:15 pmDenver Intl
12h 10m
1 stop
BSL12:25 pmBasel EuroAirport Swiss
Aug 15
BSL1:00 pmBasel EuroAirport Swiss
13h 50m
1 stop
DEN6:50 pmDenver Intl
$1,539
United Airlines
Apr 6
DEN8:25 pmDenver Intl
15h 15m
1 stop
BSL7:40 pmBasel EuroAirport Swiss
Apr 9
BSL8:15 amBasel EuroAirport Swiss
13h 20m
1 stop
DEN1:35 pmDenver Intl
$1,713
United Airlines
Apr 6
DEN8:25 pmDenver Intl
15h 15m
1 stop
BSL7:40 pmBasel EuroAirport Swiss
Apr 9
BSL9:50 amBasel EuroAirport Swiss
16h 23m
2 stops
DEN6:13 pmDenver Intl
$1,722

Lufthansa flights from Colorado to Basel

Our best Lufthansa deals on Colorado to Basel flight tickets
Lufthansa
Sep 11
DEN4:15 pmDenver Intl
12h 10m
1 stop
BSL12:25 pmBasel EuroAirport Swiss
Sep 17
BSL8:15 pmBasel EuroAirport Swiss
25h 30m
1 stop
DEN1:45 pmDenver Intl
$1,209
Lufthansa
Sep 11
DEN4:15 pmDenver Intl
12h 10m
1 stop
BSL12:25 pmBasel EuroAirport Swiss
Sep 17
BSL8:15 pmBasel EuroAirport Swiss
25h 30m
1 stop
DEN1:45 pmDenver Intl
$1,210
Lufthansa
Sep 11
DEN4:15 pmDenver Intl
12h 10m
1 stop
BSL12:25 pmBasel EuroAirport Swiss
Sep 17
BSL8:15 pmBasel EuroAirport Swiss
36h 04m
2 stops
DEN12:19 amDenver Intl
$1,225

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 March 25, 2026.
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

Cheapest round-trip

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Sun 8/30

8:25 pm-6:15 pm

1 stop37h 50m

Basel EuroAirport Swiss

Sun 9/6

7:10 pm-1:24 pm

2 stops26h 14m

$947

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Fri 9/11

6:00 am-9:45 am

2 stops19h 45m

Basel EuroAirport Swiss

Thu 9/17

10:40 am-9:39 pm

2 stops42h 59m

$992

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Sun 8/30

6:00 am-9:45 am

2 stops43h 45m

Basel EuroAirport Swiss

Sun 9/6

7:10 pm-1:24 pm

2 stops26h 14m

$1,042

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Sun 8/30

8:25 pm-9:45 am

1 stop29h 20m

Basel EuroAirport Swiss

Sun 9/6

7:15 am-4:30 pm

1 stop17h 15m

$1,124

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Fri 8/7

11:59 pm-9:45 am

2 stops25h 46m

Basel EuroAirport Swiss

Sat 8/15

7:10 pm-1:24 pm

2 stops26h 14m

$1,157

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Fri 9/11

4:15 pm-12:25 pm

1 stop12h 10m

Basel EuroAirport Swiss

Thu 9/17

8:15 pm-1:45 pm

1 stop25h 30m

$1,209

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Fri 9/11

4:15 pm-12:25 pm

1 stop12h 10m

Basel EuroAirport Swiss

Thu 9/17

8:15 pm-1:45 pm

1 stop25h 30m

$1,210

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Fri 9/11

4:15 pm-12:25 pm

1 stop12h 10m

Basel EuroAirport Swiss

Thu 9/17

8:15 pm-12:19 am

2 stops36h 04m

$1,225

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Fri 9/11

10:57 am-11:00 am

2 stops16h 03m

Basel EuroAirport Swiss

Thu 9/17

6:10 am-4:30 pm

1 stop18h 20m

$1,254
Quickest round-trip

DenverBasel

DEN - BSL

DENBSL

Denver Intl

Fri 9/11

4:15 pm-12:25 pm

1 stop12h 10m

Basel EuroAirport Swiss

Thu 9/17

8:15 am-5:55 pm

2 stops17h 40m

$1,255

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

Can stopping save me money on Colorado to Basel flights?

You could potentially save up to 62% on your flight if you consider stops on a Colorado to Basel flight.

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

12h 00m

Direct flights

None
The fastest flight from Colorado to Basel takes 12h 00m
There are no direct flights from Colorado to Basel. There are no popular flight routes from Colorado to Basel.
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  • 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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