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$568+ 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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — DEN
Jan 4 — Jan 111
Sun 1/4
Sun 1/11
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 5, 2025.

This Lufthansa deal was found by Cheapflights users on 12/4. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:20 pmOTP - DEN
1 stop32h 35mLufthansa
Sun 12/288:20 pmDEN - OTP
1 stop19h 45mLufthansa
Deal found 12/4$1,075
This Tripair deal was found by Cheapflights users on 12/4. 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 Tripair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/88:40 amOTP - DEN
2 stops42h 12mAir France
Mon 12/1512:04 pmDEN - OTP
2 stops23h 06mAir France
Deal found 12/4$1,108
This United Airlines deal was found by Cheapflights users on 12/3. 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.
Sat 12/275:55 amOTP - DEN
1 stop16h 45mUnited Airlines
Fri 1/911:15 amDEN - OTP
2 stops17h 55mUnited Airlines
Deal found 12/3$1,112
This Mytrip deal was found by Cheapflights users on 12/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:20 pmOTP - DEN
1 stop32h 35mMultiple Airlines
Sun 12/285:30 pmDEN - OTP
2 stops40h 05mMultiple Airlines
Deal found 12/4$1,114
This Mytrip deal was found by Cheapflights users on 12/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:10 pmOTP - DEN
2 stops32h 45mAustrian Airlines
Sun 12/288:20 pmDEN - OTP
2 stops18h 30mAustrian Airlines
Deal found 12/4$1,230
This Gotogate deal was found by Cheapflights users on 12/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:10 amOTP - DEN
1 stop16h 25mTurkish Airlines
Fri 1/27:20 pmDEN - OTP
1 stop28h 30mTurkish Airlines
Deal found 12/4$1,385
This Gotogate deal was found by Cheapflights users on 12/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:55 amOTP - DEN
2 stops23h 00mMultiple Airlines
Mon 12/221:25 pmDEN - OTP
2 stops17h 25mMultiple Airlines
Deal found 12/4$1,428
This Mytrip deal was found by Cheapflights users on 12/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:55 amOTP - DEN
1 stop16h 45mMultiple Airlines
Fri 1/211:15 amDEN - OTP
2 stops17h 55mMultiple Airlines
Deal found 12/4$1,492
This Tripair deal was found by Cheapflights users on 12/4. 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 Tripair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1510:00 pmOTP - DEN
1 stop28h 35mTurkish Airlines
Mon 12/223:20 pmDEN - OTP
2 stops36h 05mTurkish Airlines
Deal found 12/4$1,510
This Trip.com deal was found by Cheapflights users on 12/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/89:50 pmOTP - DEN
1 stop28h 45mMultiple Airlines
Mon 12/157:10 amDEN - OTP
2 stops31h 20mMultiple Airlines
Deal found 12/4$1,524

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 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$775
(Bravofly)

One-way from

$568
(Expedia)

Popular in

December

Cheapest in

March

Average price

$909
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
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One-way flight from Bucharest Otopeni Intl to Colorado
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Highest demand for flights based on searches. 1% potential increase in price ($9 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 5, 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

Tue 4/28

6:05 am-1:35 pm

1 stop16h 30m

Denver Intl

Tue 5/5

3:45 pm-11:40 pm

1 stop22h 55m

$792

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Tue 4/28

6:05 am-1:35 pm

1 stop16h 30m

Denver Intl

Sat 5/9

3:55 pm-6:35 pm

2 stops17h 40m

$792

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Sat 5/2

6:05 am-1:35 pm

1 stop16h 30m

Denver Intl

Sat 5/9

8:20 pm-1:00 am

1 stop19h 40m

$792

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Sat 5/2

6:05 am-1:35 pm

1 stop16h 30m

Denver Intl

Sun 5/3

8:20 pm-1:00 am

1 stop19h 40m

$792

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Wed 4/29

6:05 am-1:35 pm

1 stop16h 30m

Denver Intl

Sun 5/3

8:20 pm-1:00 am

1 stop19h 40m

$792

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Tue 4/28

6:05 am-1:35 pm

1 stop16h 30m

Denver Intl

Wed 5/6

8:10 am-11:55 am

2 stops18h 45m

$792

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 4/30

5:55 am-1:35 pm

1 stop16h 40m

Denver Intl

Sun 5/3

8:20 pm-1:00 am

1 stop19h 40m

$792

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 4/30

5:55 am-1:35 pm

1 stop16h 40m

Denver Intl

Mon 5/4

4:05 pm-6:35 pm

1 stop17h 30m

$792

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 4/30

5:55 am-1:35 pm

1 stop16h 40m

Denver Intl

Sat 5/9

8:20 pm-1:00 am

1 stop19h 40m

$792

BucharestColorado Springs

OTP - COS

OTPCOS

Bucharest Otopeni Intl

Fri 5/8

6:05 am-11:59 pm

2 stops26h 54m

Colorado Springs

Tue 5/12

1:00 pm-11:40 pm

2 stops25h 40m

$807

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 16 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 5, 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
8,008 reviews

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.9

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.9

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
9,065 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.9

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
7,562 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.9

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 30m. United Airlines provides one of the quickest options available for as low as $792. Airlines will cover a distance of 5847 mi. This flight may include one or multiple stops.

  • 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 5, 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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