What is the cheapest airline that flies from Romania to Colorado?

American Airlines, British Airways, and Turkish Airlines are the most popular carriers operating from Romania to Colorado

What airlines fly to Colorado?

United Airlines, British Airways and Delta are the top three most popular airlines that fly to Colorado from Romania according to our data. United Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 4 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

How long is the flight from Romania to Colorado?

Flight times from Romania to Colorado vary, but if you’re flying out of Cluj Napoca and flying into Denver (one of the most popular routes), then the duration is 21h 55m on average. Another popular route from Romania to Colorado is flying from Bucharest to Denver, which will take roughly 28h 10m. Keep in mind that layovers or delays could extend your travel time.

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

Prices for flights from Romania to Colorado are refreshed on a daily basis.

How many operators does momondo search for flights from Romania to Colorado?

There are 4 operators available for flights from Romania to Colorado as of October 2025.

How old do you have to be to fly from Romania to Colorado?

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 Romania to Colorado.

What documentation or ID do you need to fly to Colorado?

The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$419 Cheap Flights from Romania to Colorado in 2025/26

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Find the cheapest flights from Romania to Colorado

Round-trip

One-way

Recent round-trip flight deals from Romania to Colorado

Enter your travel dates to find the best prices.

8:00 am - 3:30 pmOTP-DEN

16h 30m1 stop

5:25 pm - 11:30 pmDEN-OTP

21h 05m1 stop

$800British Airways

Find Deal

Thu, Nov 20 - Wed, Nov 26

8:20 pm - 3:30 pmOTP-DEN

28h 10m1 stop

5:25 pm - 11:25 pmDEN-OTP

21h 00m1 stop

$810Multiple Airlines

Find Deal

Fri, Nov 21 - Fri, Nov 28

2:25 pm - 7:55 pmCLJ-DEN

13h 30m1 stop

11:15 am - 1:40 pmDEN-CLJ

17h 25m2 stops

$827Lufthansa

Find Deal

Thu, Oct 30 - Wed, Nov 5

8:00 am - 3:30 pmOTP-DEN

16h 30m1 stop

12:12 pm - 3:45 pmDEN-OTP

18h 33m2 stops

$827American Airlines

Find Deal

Thu, Nov 20 - Wed, Nov 26

8:00 am - 3:30 pmOTP-DEN

16h 30m1 stop

5:25 pm - 8:00 pmDEN-OTP

17h 35m1 stop

$829American Airlines

Find Deal

Thu, Nov 20 - Wed, Dec 3

5:50 am - 1:40 pmOTP-DEN

16h 50m1 stop

4:20 pm - 6:35 pmDEN-OTP

17h 15m1 stop

$834Lufthansa

Find Deal

Thu, Nov 20 - Tue, Dec 2

5:55 am - 2:40 pmOTP-DEN

16h 45m1 stop

8:20 pm - 6:35 pmDEN-OTP

13h 15m1 stop

$853United Airlines

Find Deal

Tue, Oct 28 - Mon, Nov 10

5:55 am - 2:40 pmOTP-DEN

16h 45m1 stop

5:45 pm - 11:50 pmDEN-OTP

21h 05m1 stop

$855United Airlines

Find Deal

Tue, Oct 28 - Sat, Nov 8

6:30 am - 6:56 pmOTP-DEN

21h 26m2 stops

2:57 pm - 10:50 pmDEN-OTP

22h 53m2 stops

$866Delta

Find Deal

Fri, Oct 24 - Fri, Nov 7

7:00 am - 11:04 pmOTP-DEN

25h 04m2 stops

6:00 am - 12:05 pmDEN-OTP

21h 05m2 stops

$884Delta

Find Deal

Fri, Oct 24 - Sun, Nov 9

British Airways flights from Romania to Colorado

Our best British Airways deals on Romania to Colorado flight tickets

British Airways

Nov 20

OTP8:00 amBucharest Otopeni Intl

16h 30m

1 stop

DEN3:30 pmDenver Intl

Nov 26

DEN5:25 pmDenver Intl

21h 05m

1 stop

OTP11:30 pmBucharest Otopeni Intl

$800

Find similar

British Airways

Nov 20

OTP4:35 pmBucharest Otopeni Intl

31h 55m

1 stop

DEN3:30 pmDenver Intl

Nov 26

DEN5:25 pmDenver Intl

21h 05m

1 stop

OTP11:30 pmBucharest Otopeni Intl

$830

Find similar

British Airways

Nov 20

OTP8:00 amBucharest Otopeni Intl

16h 30m

1 stop

DEN3:30 pmDenver Intl

Nov 26

DEN5:25 pmDenver Intl

21h 05m

1 stop

OTP11:30 pmBucharest Otopeni Intl

$831

Find similar

American Airlines flights from Romania to Colorado

Our best American Airlines deals on Romania to Colorado flight tickets

American Airlines

Nov 20

OTP8:00 amBucharest Otopeni Intl

16h 30m

1 stop

DEN3:30 pmDenver Intl

Nov 26

DEN12:12 pmDenver Intl

18h 33m

2 stops

OTP3:45 pmBucharest Otopeni Intl

$827

Find similar

American Airlines

Nov 20

OTP8:00 amBucharest Otopeni Intl

16h 30m

1 stop

DEN3:30 pmDenver Intl

Dec 3

DEN5:25 pmDenver Intl

17h 35m

1 stop

OTP8:00 pmBucharest Otopeni Intl

$829

Find similar

American Airlines

Nov 20

OTP8:00 amBucharest Otopeni Intl

16h 30m

1 stop

DEN3:30 pmDenver Intl

Nov 26

DEN5:44 pmDenver Intl

37h 01m

2 stops

OTP3:45 pmBucharest Otopeni Intl

$833

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 11/20

8:00 am-3:30 pm

1 stop16h 30m

Denver Intl

Wed 11/26

5:25 pm-11:30 pm

1 stop21h 05m

$800

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Fri 11/21

8:20 pm-3:30 pm

1 stop28h 10m

Denver Intl

Fri 11/28

5:25 pm-11:25 pm

1 stop21h 00m

$810

Cluj NapocaDenver

CLJ - DEN

CLJDEN

Cluj Napoca

Thu 10/30

2:25 pm-7:55 pm

1 stop13h 30m

Denver Intl

Wed 11/5

11:15 am-1:40 pm

2 stops17h 25m

$827

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 11/20

8:00 am-3:30 pm

1 stop16h 30m

Denver Intl

Wed 11/26

12:12 pm-3:45 pm

2 stops18h 33m

$827

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 11/20

8:00 am-3:30 pm

1 stop16h 30m

Denver Intl

Wed 12/3

5:25 pm-8:00 pm

1 stop17h 35m

$829

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 11/20

5:50 am-1:40 pm

1 stop16h 50m

Denver Intl

Tue 12/2

4:20 pm-6:35 pm

1 stop17h 15m

$834

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Tue 10/28

5:55 am-2:40 pm

1 stop16h 45m

Denver Intl

Mon 11/10

8:20 pm-6:35 pm

1 stop13h 15m

$853

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Tue 10/28

5:55 am-2:40 pm

1 stop16h 45m

Denver Intl

Sat 11/8

5:45 pm-11:50 pm

1 stop21h 05m

$855

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Fri 10/24

6:30 am-6:56 pm

2 stops21h 26m

Denver Intl

Fri 11/7

2:57 pm-10:50 pm

2 stops22h 53m

$866

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Fri 10/24

7:00 am-11:04 pm

2 stops25h 04m

Denver Intl

Sun 11/9

6:00 am-12:05 pm

2 stops21h 05m

$884

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Romania to Colorado

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

Prices

Airlines

Other information

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

The cheapest day to depart from Romania to Colorado is on a Thursday when prices can be found for as low as $788. On the other hand, Friday is the most expensive day to depart from Romania because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $987.

Can stopping save me money on Romania to Colorado flights?

You could potentially save up to 11% on your flight if you consider stops on a Romania to Colorado flight.

Cheap Romania to Colorado flight deals and tips

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

Direct flights	None

There are no direct flights from Romania to Colorado. There are no popular flight routes from Romania to Colorado.

Search flight deals

When did momondo last update prices for flights from Romania to Colorado?
Prices for flights from Romania to Colorado are refreshed on a daily basis.
How many operators does momondo search for flights from Romania to Colorado?
There are 4 operators available for flights from Romania to Colorado as of October 2025.
How old do you have to be to fly from Romania to Colorado?
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 Romania to Colorado.
What documentation or ID do you need to fly to Colorado?
The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Romania to Colorado

Compare and see reviews for airlines that fly from Romania to Colorado with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $666	Free Cancellation	Rating 6.7 7,454 reviews	Search British Airways flights
Lufthansa	PriceFrom $752	Free Cancellation	Rating 6.8 7,484 reviews	Search Lufthansa flights
United Airlines	PriceFrom $757	Free Cancellation	Rating 7.4 8,975 reviews	Search United Airlines flights
Delta	PriceFrom $817	Free Cancellation	Rating 7.9 7,972 reviews	Search Delta flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Romania to Colorado. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Colorado from Romania which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Romania to Colorado.

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

Yes momondo offers price alerts on flights to Colorado from Romania. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.