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$419+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — DEN
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$810
(Travelis)

One-way from

$419
(Kiwi.com)

Popular in

October

Cheapest in

November

Average price

$922
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. 0% potential increase in price ($1 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 October 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 October 14, 2025.

This lol.travel deal was found by Cheapflights users on 10/14. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/208:00 amOTP - DEN
1 stop16h 30mBritish Airways
Wed 11/265:25 pmDEN - OTP
1 stop21h 05mBritish Airways
Deal found 10/14$800
This American Airlines deal was found by Cheapflights users on 10/14. 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 11/208:00 amOTP - DEN
1 stop16h 30mAmerican Airlines
Wed 11/2612:12 pmDEN - OTP
2 stops18h 33mAmerican Airlines
Deal found 10/14$827
This American Airlines deal was found by Cheapflights users on 10/14. 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 11/208:00 amOTP - DEN
1 stop16h 30mAmerican Airlines
Wed 12/35:25 pmDEN - OTP
1 stop17h 35mAmerican Airlines
Deal found 10/14$829
This British Airways deal was found by Cheapflights users on 10/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/208:00 amOTP - DEN
1 stop16h 30mBritish Airways
Tue 12/210:26 amDEN - OTP
2 stops19h 19mBritish Airways
Deal found 10/14$832
This Kiwi.com deal was found by Cheapflights users on 10/14. 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.
Thu 11/205:50 amOTP - DEN
1 stop16h 50mLufthansa
Tue 12/24:20 pmDEN - OTP
1 stop17h 15mLufthansa
Deal found 10/14$834
This Mytrip deal was found by Cheapflights users on 10/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:05 amOTP - DEN
2 stops21h 00mMultiple Airlines
Wed 11/263:40 pmDEN - OTP
2 stops24h 25mMultiple Airlines
Deal found 10/14$850
This Gotogate deal was found by Cheapflights users on 10/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/205:50 amOTP - DEN
1 stop19h 10mLufthansa
Wed 11/264:05 pmDEN - OTP
2 stops17h 30mLufthansa
Deal found 10/14$852
This British Airways deal was found by Cheapflights users on 10/13. 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 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 10/13$896

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 October 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 11/20

5:50 am-7:55 pm

2 stops23h 05m

Denver Intl

Wed 11/26

11:44 am-6:40 pm

2 stops21h 56m

$800

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 11/20

8:00 am-3:30 pm

1 stop16h 30m

Denver Intl

Wed 11/26

12:12 pm-3:45 pm

2 stops18h 33m

$827

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 11/20

8:00 am-3:30 pm

1 stop16h 30m

Denver Intl

Wed 12/3

5:25 pm-8:00 pm

1 stop17h 35m

$829

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 11/20

4:35 pm-3:30 pm

1 stop31h 55m

Denver Intl

Wed 11/26

5:25 pm-11:30 pm

1 stop21h 05m

$830

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 11/20

8:00 am-3:30 pm

1 stop16h 30m

Denver Intl

Tue 12/2

10:26 am-2:45 pm

2 stops19h 19m

$832

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 11/20

8:00 am-3:30 pm

1 stop16h 30m

Denver Intl

Wed 12/3

12:33 pm-3:45 pm

2 stops18h 12m

$832

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 11/20

5:50 am-1:40 pm

1 stop16h 50m

Denver Intl

Tue 12/2

4:20 pm-6:35 pm

1 stop17h 15m

$834

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 11/20

6:05 am-6:05 pm

2 stops21h 00m

Denver Intl

Wed 11/26

3:40 pm-1:05 am

2 stops24h 25m

$850

BucharestColorado Springs

OTP - COS

OTPCOS

Bucharest Otopeni Intl

Thu 3/5

8:00 am-11:31 pm

2 stops24h 31m

Colorado Springs

Mon 3/9

10:53 am-11:00 pm

2 stops28h 07m

$866

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Wed 11/12

2:10 pm-11:16 pm

3 stops42h 06m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

Showing 1-10 of 20 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, 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.

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 October 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
8.0
Very good
7,977 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,977 reviews
Delta
8.0
Very good
7,977 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
British Airways
6.7
Okay
7,457 reviews
Delta
8.0
Very good
7,977 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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. Air Canada provides one of the quickest options available for as low as $827. 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 October 14, 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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