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$577+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — DEN
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
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 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$842
(Cheapflightsfares)

One-way from

$577
(Kiwi.com)

Popular in

October

Cheapest in

November

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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One-way flight from Bucharest Otopeni Intl to Colorado
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High demand for flights, 0% potential price rise
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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 5, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/205:50 amOTP - DEN
1 stop16h 50mLufthansa
Wed 11/265:25 pmDEN - OTP
2 stops16h 10mLufthansa
Deal found 11/3$815
This British Airways deal was found by Cheapflights users on 11/3. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/208:00 amOTP - DEN
2 stops24h 56mBritish Airways
Wed 11/2612:12 pmDEN - OTP
2 stops18h 33mBritish Airways
Deal found 11/3$854
This KLM deal was found by Cheapflights users on 11/4. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:00 amOTP - DEN
2 stops20h 28mKLM
Mon 11/1012:18 pmDEN - OTP
2 stops18h 07mKLM
Deal found 11/4$935
This Delta deal was found by Cheapflights users on 11/3. 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 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 1/910:32 amDEN - OTP
2 stops18h 18mDelta
Deal found 11/3$940
This British Airways deal was found by Cheapflights users on 11/3. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/274:00 pmOTP - DEN
1 stop32h 30mBritish Airways
Fri 1/95:25 pmDEN - OTP
1 stop21h 00mBritish Airways
Deal found 11/3$1,021
This oojo deal was found by Cheapflights users on 11/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/810:10 amOTP - DEN
1 stop16h 25mTurkish Airlines
Mon 11/103:27 pmDEN - OTP
2 stops20h 03mTurkish Airlines
Deal found 11/4$1,058
This Air Canada deal was found by Cheapflights users on 11/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/205:50 amOTP - DEN
2 stops23h 05mMultiple Airlines
Wed 11/268:45 amDEN - OTP
2 stops24h 55mMultiple Airlines
Deal found 11/3$1,105
This Lufthansa deal was found by Cheapflights users on 11/3. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:05 amOTP - DEN
1 stop17h 30mLufthansa
Sun 1/43:55 pmDEN - OTP
1 stop22h 55mLufthansa
Deal found 11/3$1,147
This Priceline deal was found by Cheapflights users on 11/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/88:05 amOTP - DEN
1 stop16h 25mBritish Airways
Mon 11/105:25 pmDEN - OTP
1 stop36h 20mBritish Airways
Deal found 11/4$1,178

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 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

Thu 11/20

5:50 am-4:00 pm

1 stop19h 10m

Denver Intl

Wed 11/26

3:55 pm-2:00 pm

1 stop13h 05m

$832

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Sat 2/7

5:55 am-4:40 pm

2 stops43h 45m

Denver Intl

Sat 2/21

5:45 pm-11:50 pm

1 stop21h 05m

$847

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Sat 2/7

6:05 am-2:35 pm

1 stop17h 30m

Denver Intl

Sat 2/21

8:20 pm-1:05 am

1 stop19h 45m

$859

BucharestColorado Springs

OTP - COS

OTPCOS

Bucharest Otopeni Intl

Thu 3/5

8:00 am-11:54 pm

2 stops24h 54m

Colorado Springs

Mon 3/9

5:08 pm-11:00 pm

2 stops21h 52m

$884

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Sat 12/27

6:00 am-10:56 pm

2 stops25h 56m

Denver Intl

Fri 1/9

10:32 am-1:50 pm

2 stops18h 18m

$940

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Sat 12/27

4:00 pm-3:30 pm

1 stop32h 30m

Denver Intl

Fri 1/9

5:25 pm-11:25 pm

1 stop21h 00m

$1,021

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 11/20

5:50 am-7:55 pm

2 stops23h 05m

Denver Intl

Wed 11/26

8:45 am-6:40 pm

2 stops24h 55m

$1,105

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Tue 12/23

6:05 am-2:35 pm

1 stop17h 30m

Denver Intl

Sun 1/4

3:55 pm-11:50 pm

1 stop22h 55m

$1,147

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Tue 11/11

12:00 pm-6:26 pm

3 stops39h 26m

$577

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Wed 11/12

6:15 am-8:33 am

3 stops35h 18m

$640

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 11 results
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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

What is the cheapest month to book a flight from Bucharest Otopeni Intl Airport to Colorado?

Currently, July is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Colorado (average of $684). Flying from Bucharest Otopeni Intl Airport to Colorado in October is currently the most expensive (average of $1,071). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 November 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
8,004 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

7.9

Crew

8.5

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
8,004 reviews
Delta
7.9
Good
8,004 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

7.9

Crew

8.5

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
9,001 reviews
Delta
7.9
Good
8,004 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

7.9

Crew

8.5

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
7,495 reviews
Delta
7.9
Good
8,004 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

7.9

Crew

8.5

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 19h 10m. Lufthansa provides one of the quickest options available for as low as $832. 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.

  • What is the cheapest month to book a flight from Bucharest Otopeni Intl Airport to Colorado?

    Currently, July is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Colorado (average of $684). Flying from Bucharest Otopeni Intl Airport to Colorado in October is currently the most expensive (average of $1,071). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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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 5, 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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