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$322+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — DEN
Aug 24 — Aug 311
Sun 8/24
Sun 8/31
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 August 19, 2025.

Round-trip from

$777
(British Airways)

One-way from

$322
(Kiwi.com)

Popular in

September

Cheapest in

April

Average price

$965
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. 10% potential increase in price ($103 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 19, 2025.

This British Airways deal was found by Cheapflights users on 8/19. 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 9/188:25 amOTP - DEN
1 stop17h 00mBritish Airways
Wed 9/246:35 pmDEN - OTP
1 stop20h 50mBritish Airways
Deal found 8/19$777
This British Airways deal was found by Cheapflights users on 8/17. 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 9/258:25 amOTP - DEN
1 stop17h 00mBritish Airways
Mon 9/292:47 pmDEN - OTP
2 stops17h 38mBritish Airways
Deal found 8/17$779
This American Airlines deal was found by Cheapflights users on 8/19. 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 9/188:25 amOTP - DEN
2 stops36h 26mAmerican Airlines
Wed 9/2412:41 pmDEN - OTP
2 stops26h 44mAmerican Airlines
Deal found 8/19$781
This Delta deal was found by Cheapflights users on 8/19. 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 9/186:30 amOTP - DEN
1 stop18h 00mDelta
Wed 9/247:05 amDEN - OTP
2 stops20h 05mDelta
Deal found 8/19$782
This KLM deal was found by Cheapflights users on 8/17. 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.
Thu 9/257:00 amOTP - DEN
2 stops17h 44mMultiple Airlines
Mon 9/292:00 pmDEN - OTP
2 stops16h 50mMultiple Airlines
Deal found 8/17$783
This Delta deal was found by Cheapflights users on 8/18. 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 10/26:30 amOTP - DEN
1 stop18h 00mDelta
Thu 10/97:10 amDEN - OTP
2 stops20h 00mDelta
Deal found 8/18$784
This Lufthansa deal was found by Cheapflights users on 8/18. 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.
Thu 10/26:05 amOTP - DEN
1 stop16h 40mLufthansa
Thu 10/98:20 pmDEN - OTP
1 stop19h 40mLufthansa
Deal found 8/18$791
This United Airlines deal was found by Cheapflights users on 8/17. 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 12/185:50 amOTP - DEN
2 stops25h 16mUnited Airlines
Tue 12/307:45 amDEN - OTP
2 stops21h 10mUnited Airlines
Deal found 8/17$844
This Travelocity deal was found by Cheapflights users on 8/17. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:50 amOTP - DEN
1 stop16h 50mLufthansa
Tue 12/303:55 pmDEN - OTP
1 stop13h 00mLufthansa
Deal found 8/17$865
This Delta deal was found by Cheapflights users on 8/17. 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 8/287:00 amOTP - DEN
2 stops25h 03mDelta
Sun 9/76:15 amDEN - OTP
2 stops20h 55mDelta
Deal found 8/17$876
This oojo deal was found by Cheapflights users on 8/17. 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.
Thu 8/283:55 pmOTP - DEN
1 stop35h 00mTurkish Airlines
Sun 9/77:50 pmDEN - OTP
1 stop27h 20mTurkish Airlines
Deal found 8/17$877
This United Airlines deal was found by Cheapflights users on 8/17. 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 8/281:55 pmOTP - DEN
2 stops25h 46mUnited Airlines
Sun 9/74:15 pmDEN - OTP
1 stop17h 20mUnited Airlines
Deal found 8/17$879

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 August 19, 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 9/25

6:05 am-1:45 pm

1 stop16h 40m

Denver Intl

Mon 9/29

4:15 pm-1:00 am

1 stop23h 45m

$777

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 9/18

8:25 am-4:25 pm

1 stop17h 00m

Denver Intl

Wed 9/24

6:35 pm-12:25 am

1 stop20h 50m

$777

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 9/25

8:25 am-4:25 pm

1 stop17h 00m

Denver Intl

Mon 9/29

2:47 pm-5:25 pm

2 stops17h 38m

$779

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 9/18

8:25 am-11:51 am

2 stops36h 26m

Denver Intl

Wed 9/24

12:41 pm-12:25 am

2 stops26h 44m

$781

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 9/18

8:40 am-3:30 pm

1 stop15h 50m

Denver Intl

Wed 9/24

10:39 am-12:10 pm

2 stops16h 31m

$782

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 9/18

6:30 am-3:30 pm

1 stop18h 00m

Denver Intl

Wed 9/24

7:05 am-12:10 pm

2 stops20h 05m

$782

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 9/25

7:00 am-3:44 pm

2 stops17h 44m

Denver Intl

Mon 9/29

2:00 pm-3:50 pm

2 stops16h 50m

$783

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 10/2

6:30 am-3:30 pm

1 stop18h 00m

Denver Intl

Thu 10/9

7:10 am-12:10 pm

2 stops20h 00m

$784

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 10/2

6:05 am-1:45 pm

1 stop16h 40m

Denver Intl

Thu 10/9

8:20 pm-1:00 am

1 stop19h 40m

$791

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 12/18

5:50 am-10:06 pm

2 stops25h 16m

Denver Intl

Tue 12/30

7:45 am-1:55 pm

2 stops21h 10m

$844

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 15 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

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

Currently, October is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Colorado (average of $197). Flying from Bucharest Otopeni Intl Airport to Colorado in March is currently the most expensive (average of $278). 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 August 19, 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
8.0
Very good
7,981 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
United Airlines
7.4
Good
8,922 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
British Airways
6.7
Okay
7,283 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

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 40m. Lufthansa provides one of the quickest options available for as low as $777. 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, October is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Colorado (average of $197). Flying from Bucharest Otopeni Intl Airport to Colorado in March is currently the most expensive (average of $278). 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 August 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$666Average$804FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$816Average$910FlexibilityNo cancel feeOn-time69%
DeltaCheapest$817Average$1,058FlexibilityNo cancel feeOn-timeN/A

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