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$653+ 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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — DEN
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$653
(Kiwi.com)

Popular in

September

Cheapest in

November

Average price

$1,084
From Bucharest Otopeni Intl to Colorado
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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 September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/259:30 amOTP - DEN
1 stop24h 38mMultiple Airlines
Mon 11/109:09 amDEN - OTP
2 stops33h 06mMultiple Airlines
Deal found 9/13$653
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/259:30 amOTP - DEN
1 stop24h 38mMultiple Airlines
Tue 11/114:08 pmDEN - OTP
2 stops42h 22mMultiple Airlines
Deal found 9/13$664
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/259:30 amOTP - DEN
1 stop24h 38mMultiple Airlines
Wed 11/59:09 amDEN - OTP
2 stops25h 21mMultiple Airlines
Deal found 9/13$675
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/259:30 amOTP - DEN
1 stop24h 38mMultiple Airlines
Sat 11/811:45 amDEN - OTP
2 stops40h 10mMultiple Airlines
Deal found 9/13$728
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/259:30 amOTP - DEN
1 stop24h 38mMultiple Airlines
Thu 11/68:00 amDEN - OTP
2 stops32h 30mMultiple Airlines
Deal found 9/13$740
This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/168:25 amOTP - DEN
1 stop17h 00mAmerican Airlines
Mon 10/206:35 pmDEN - OTP
1 stop21h 50mAmerican Airlines
Deal found 9/13$754
This British Airways deal was found by Cheapflights users on 9/13. 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.
Wed 10/228:25 amOTP - DEN
1 stop17h 00mBritish Airways
Sun 11/95:25 pmDEN - OTP
1 stop21h 20mBritish Airways
Deal found 9/13$757
This British Airways deal was found by Cheapflights users on 9/13. 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.
Sun 10/264:10 pmOTP - DEN
2 stops55h 52mBritish Airways
Fri 11/75:25 pmDEN - OTP
1 stop21h 00mBritish Airways
Deal found 9/13$762
This British Airways deal was found by Cheapflights users on 9/15. 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 10/168:25 amOTP - DEN
2 stops24h 16mBritish Airways
Thu 10/238:57 amDEN - OTP
2 stops20h 33mBritish Airways
Deal found 9/15$763
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/259:30 amOTP - DEN
1 stop24h 38mMultiple Airlines
Fri 11/76:30 amDEN - OTP
2 stops34h 00mMultiple Airlines
Deal found 9/13$767
This British Airways deal was found by Cheapflights users on 9/13. 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.
Fri 10/248:25 amOTP - DEN
1 stop17h 00mBritish Airways
Thu 11/65:25 pmDEN - OTP
1 stop21h 20mBritish Airways
Deal found 9/13$786

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 September 15, 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

Wed 10/22

8:25 am-4:25 pm

1 stop17h 00m

Denver Intl

Sun 11/9

5:25 pm-11:45 pm

1 stop21h 20m

$757

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Mon 10/27

8:05 am-4:30 pm

1 stop16h 25m

Denver Intl

Wed 11/5

5:25 pm-11:30 pm

1 stop21h 05m

$757

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 10/23

9:15 pm-4:25 pm

1 stop28h 10m

Denver Intl

Thu 11/6

5:25 pm-7:30 pm

1 stop17h 05m

$757

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 10/16

8:25 am-4:25 pm

1 stop17h 00m

Denver Intl

Mon 10/20

12:40 pm-5:25 pm

2 stops19h 45m

$757

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 10/16

8:25 am-4:25 pm

1 stop17h 00m

Denver Intl

Thu 10/23

12:29 pm-2:30 pm

2 stops17h 01m

$757

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Mon 10/27

8:05 am-4:30 pm

1 stop16h 25m

Denver Intl

Fri 11/7

5:25 pm-11:25 pm

1 stop21h 00m

$757

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 10/23

9:15 pm-4:25 pm

1 stop28h 10m

Denver Intl

Tue 11/11

5:25 pm-10:55 pm

1 stop20h 30m

$757

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Mon 10/27

8:05 am-4:30 pm

1 stop16h 25m

Denver Intl

Thu 11/6

5:25 pm-7:30 pm

1 stop17h 05m

$757

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 10/23

8:25 am-4:25 pm

1 stop17h 00m

Denver Intl

Wed 11/5

12:33 pm-11:30 pm

2 stops25h 57m

$757

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 10/23

8:25 am-4:25 pm

1 stop17h 00m

Denver Intl

Fri 11/7

12:32 pm-11:25 pm

2 stops25h 53m

$757

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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 September 15, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and Lufthansa 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
7,956 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

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
7,956 reviews
Delta
8.0
Very good
7,956 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

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
8,931 reviews
Delta
8.0
Very good
7,956 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

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
Lufthansa
6.8
Okay
7,409 reviews
Delta
8.0
Very good
7,956 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

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
7,361 reviews
Delta
8.0
Very good
7,956 reviews

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

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 17h. British Airways provides one of the quickest options available for as low as $757. Airlines will cover a distance of 5847 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Bucharest Otopeni Intl Airport to Colorado one-way?

    For one-way options, check prices for Turkish Airlines. According to our data, you can fly for as low as $1,975. Users have also found prices from $2,126 and $4,949 on British Airways and Scandinavian Airlines, respectively.

  • 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

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Top 4 airlines flying from Otopeni Intl to Colorado

Discover the top 4 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 September 15, 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
LufthansaCheapest$876Average$1,055FlexibilityNo cancel feeOn-time76%

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