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$498+ Cheap flights from Otopeni Intl (OTP) to Colorado

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — DEN
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
1 adult, Economy
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Cheap flight deals from Otopeni Intl to Colorado

Cheapest flights from Otopeni Intl to Colorado
Explore the most affordable flight options available from Otopeni Intl to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/159:35 amOTP - DEN
1 stop18h 34mMultiple Airlines
Wed 1/143:40 pmDEN - OTP
2 stops37h 00mMultiple Airlines
Deal found 12/13$889
This United Airlines deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:55 amOTP - DEN
2 stops37h 40mUnited Airlines
Wed 1/143:55 pmDEN - OTP
1 stop13h 05mUnited Airlines
Deal found 12/13$947
This Kiwi.com deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:20 pmOTP - DEN
1 stop32h 35mLufthansa
Sun 1/1811:15 amDEN - OTP
2 stops27h 35mLufthansa
Deal found 12/14$964
This Delta deal was found by Cheapflights users on 12/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:05 amOTP - DEN
2 stops25h 51mDelta
Fri 1/96:30 amDEN - OTP
2 stops22h 20mDelta
Deal found 12/12$984
This Gurufare deal was found by Cheapflights users on 12/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:05 amOTP - DEN
1 stop16h 35mLufthansa
Tue 1/65:42 pmDEN - OTP
2 stops39h 53mLufthansa
Deal found 12/12$1,016
This American Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:00 amOTP - DEN
2 stops32h 11mAmerican Airlines
Wed 12/312:45 pmDEN - OTP
2 stops20h 15mAmerican Airlines
Deal found 12/14$1,028
This Delta deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/146:00 amOTP - DEN
2 stops22h 42mDelta
Mon 1/126:40 amDEN - OTP
2 stops20h 25mDelta
Deal found 12/13$1,032
This Flighttix deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:20 pmOTP - DEN
1 stop32h 35mMultiple Airlines
Sun 1/181:25 pmDEN - OTP
2 stops39h 40mMultiple Airlines
Deal found 12/14$1,045
This Delta deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:05 amOTP - DEN
2 stops25h 51mDelta
Thu 1/15:45 amDEN - OTP
2 stops21h 20mDelta
Deal found 12/14$1,073

Find flight deals from Otopeni Intl to Colorado

Keep the following information in mind while searching for Otopeni Intl to Colorado flight deals. Data was last updated December 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$851
(Kiwi.com)

One-way from

$498
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$917
Provider with most accurate pricing for Bucharest (BUH)-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Bucharest (BUH)-Denver Intl flights.
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From Bucharest Otopeni Intl to Colorado
Search Deals
One-way flight from Bucharest Otopeni Intl to Colorado
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Otopeni Intl to Colorado 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, Cheapflights users made 2,558,603 searches. Data last updated December 14, 2025.
Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport to Colorado that are best for you.

Fly from

Otopeni Intl

Fly to

Colorado

Route

Depart

Return

Price

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 2/5

5:50 am-1:40 pm

1 stop16h 50m

Denver Intl

Wed 2/11

4:20 pm-6:35 pm

1 stop17h 15m

$863

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 1/22

6:05 am-1:40 pm

2 stops16h 35m

Denver Intl

Thu 1/29

4:20 pm-6:35 pm

1 stop17h 15m

$864

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 1/22

5:50 am-1:40 pm

1 stop16h 50m

Denver Intl

Wed 1/28

5:42 pm-6:35 pm

2 stops15h 53m

$883

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 1/22

5:50 am-7:28 pm

2 stops22h 38m

Denver Intl

Thu 1/29

11:20 am-2:05 pm

2 stops17h 45m

$889

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 2/5

5:50 am-9:24 pm

2 stops24h 34m

Denver Intl

Wed 2/11

11:17 am-2:00 pm

2 stops17h 43m

$889

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 1/22

8:00 am-3:30 pm

1 stop16h 30m

Denver Intl

Mon 1/26

5:25 pm-2:45 pm

1 stop36h 20m

$902

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Sat 12/27

6:05 am-10:56 pm

2 stops25h 51m

Denver Intl

Fri 1/9

6:30 am-1:50 pm

2 stops22h 20m

$984

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Mon 1/12

9:35 am-7:13 am

2 stops54h 38m

$498

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Tue 6/2

8:00 am-6:09 pm

3 stops43h 09m

$549

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Wed 6/3

8:25 am-4:30 pm

1 stop17h 05m

$553

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 17 results
1
2

Best time to book a flight from Otopeni Intl to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Otopeni Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Bucharest Otopeni Intl Airport to Colorado

How much does it cost to fly round-trip from Bucharest Otopeni Intl Airport to Colorado?

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado. Reviews last updated December 14, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and British Airways from Bucharest Otopeni Intl Airport to Colorado by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,006 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,006 reviews
Delta
7.9
Good
8,006 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,092 reviews
Delta
7.9
Good
8,006 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,574 reviews
Delta
7.9
Good
8,006 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Otopeni Intl to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Bucharest Otopeni Intl Airport to Colorado?

    A quick flight from Bucharest Otopeni Intl Airport to Colorado can take about 16h 50m. Lufthansa provides one of the quickest options available for as low as $863. Airlines will cover a distance of 5847 mi.

  • Can I find deals for flights from Otopeni Intl to Colorado that include hotel bookings?

    Yes. In addition to deals on Otopeni Intl to Colorado flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Otopeni Intl to Colorado?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Otopeni Intl to Colorado.

  • Can I find deals for business class flights from Otopeni Intl to Colorado?

    Yes. Cheapflights offers flight deals from Otopeni Intl to Colorado by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Alternative routes for Otopeni Intl to Colorado

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Top 3 airlines flying from Otopeni Intl to Colorado

Discover the top 3 airlines that operate flights from Otopeni Intl to Colorado. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$666Average$826FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$816Average$910FlexibilityNo cancel feeOn-time69%
DeltaCheapest$817Average$1,058FlexibilityNo cancel feeOn-timeN/A

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