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$846+ Cheap flights from Otopeni Intl (OTP) to Colorado

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — DEN
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
1 adult, Economy
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Cheap 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 November 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$840
(Yatra.com)

Popular in

December

Cheapest in

March

Average price

$751
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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Highest demand for flights based on searches. 1% potential increase in price ($9 potential increase over avg. RT price).
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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 November 2025
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Find 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 November 12, 2025.

This United Airlines deal was found by Cheapflights users on 11/10. 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.
Thu 11/275:50 amOTP - DEN
1 stop19h 10mUnited Airlines
Wed 12/35:45 pmDEN - OTP
1 stop21h 10mUnited Airlines
Deal found 11/10$847
This Delta deal was found by Cheapflights users on 11/10. 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.
Thu 11/276:00 amOTP - DEN
2 stops25h 28mDelta
Wed 12/37:10 amDEN - OTP
2 stops19h 55mDelta
Deal found 11/10$856
This Delta deal was found by Cheapflights users on 11/10. 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 12/276:00 amOTP - DEN
2 stops25h 56mDelta
Fri 1/97:00 amDEN - OTP
2 stops21h 50mDelta
Deal found 11/10$943
This British Airways deal was found by Cheapflights users on 11/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/278:05 amOTP - DEN
1 stop16h 25mBritish Airways
Fri 1/95:25 pmDEN - OTP
1 stop21h 00mBritish Airways
Deal found 11/10$1,024
This Mytrip deal was found by Cheapflights users on 11/10. 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.
Thu 11/279:00 amOTP - DEN
2 stops17h 35mMultiple Airlines
Wed 12/311:15 amDEN - OTP
3 stops22h 40mMultiple Airlines
Deal found 11/10$1,269
This Arangrant deal was found by Cheapflights users on 11/10. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:10 amOTP - DEN
1 stop16h 25mTurkish Airlines
Wed 1/73:15 pmDEN - OTP
2 stops37h 55mTurkish Airlines
Deal found 11/10$2,585
This Cheapflightsfares deal was found by Cheapflights users on 11/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:00 amOTP - DEN
2 stops21h 11mBritish Airways
Wed 1/73:00 pmDEN - OTP
2 stops20h 00mBritish Airways
Deal found 11/10$3,368
This Justfly.com deal was found by Cheapflights users on 11/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:20 pmOTP - DEN
1 stop32h 35mLufthansa
Wed 1/73:55 pmDEN - OTP
1 stop23h 00mLufthansa
Deal found 11/10$3,506

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 November 12, 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

Sat 1/31

5:55 am-1:40 pm

1 stop16h 45m

Denver Intl

Mon 2/16

3:55 pm-2:05 pm

1 stop13h 10m

$846

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 2/5

5:50 am-1:40 pm

1 stop16h 50m

Denver Intl

Thu 2/19

11:15 am-2:05 pm

2 stops17h 50m

$846

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Wed 2/4

6:05 am-1:40 pm

1 stop16h 35m

Denver Intl

Thu 2/19

5:45 pm-11:50 pm

1 stop21h 05m

$846

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Tue 2/3

5:55 am-1:40 pm

1 stop16h 45m

Denver Intl

Sun 2/15

4:05 pm-6:35 pm

2 stops17h 30m

$847

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 11/27

5:50 am-4:00 pm

1 stop19h 10m

Denver Intl

Wed 12/3

5:45 pm-11:55 pm

1 stop21h 10m

$847

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Mon 2/2

5:55 am-1:40 pm

1 stop16h 45m

Denver Intl

Tue 2/17

3:55 pm-11:55 pm

1 stop23h 00m

$849

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Tue 2/3

5:55 am-1:40 pm

1 stop16h 45m

Denver Intl

Tue 2/17

3:55 pm-1:55 pm

1 stop13h 00m

$849

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Tue 2/3

5:55 am-1:40 pm

1 stop16h 45m

Denver Intl

Mon 2/16

5:45 pm-11:55 pm

1 stop21h 10m

$849

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Tue 2/3

8:00 am-3:30 pm

1 stop16h 30m

Denver Intl

Sat 2/14

5:25 pm-11:45 pm

1 stop21h 20m

$851

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Sun 2/1

4:10 pm-3:30 pm

1 stop32h 20m

Denver Intl

Wed 2/18

5:25 pm-11:30 pm

1 stop21h 05m

$851

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 17 results
1
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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
No data available for this route at this time. Please check back soon.

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 November 12, 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

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

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

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

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
9,015 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

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
7,513 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

7.9

Crew

8.5

Boarding

8.1

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 45m. United Airlines provides one of the quickest options available for as low as $846. 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 November 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$666Average$814FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$816Average$910FlexibilityNo cancel feeOn-time69%
DeltaCheapest$817Average$1,058FlexibilityNo cancel feeOn-timeN/A

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