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$438+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — DEN
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap 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 January 27, 2026.

This British Airways deal was found by Cheapflights users on 1/26. 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 4/98:15 am
OTP
-
DEN
1 stop17h 15m
British Airways
Tue 4/149:18 am
DEN
-
OTP
2 stops21h 07m
British Airways
Deal found 1/26$784
This British Airways deal was found by Cheapflights users on 1/25. 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 2/198:00 am
OTP
-
DEN
1 stop16h 30m
British Airways
Mon 2/235:25 pm
DEN
-
OTP
1 stop20h 35m
British Airways
Deal found 1/25$792
This Iberia deal was found by Cheapflights users on 1/26. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/199:00 pm
OTP
-
DEN
2 stops34h 40m
Multiple Airlines
Mon 2/235:25 pm
DEN
-
OTP
1 stop20h 35m
Multiple Airlines
Deal found 1/26$798
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Fri 10/29:30 am
OTP
-
DEN
2 stops41h 42m
Multiple Airlines
Tue 10/135:40 pm
DEN
-
OTP
1 stop13h 40m
Multiple Airlines
Deal found 1/25$811
This British Airways deal was found by Cheapflights users on 1/26. 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.
Mon 2/238:25 pm
OTP
-
COS
2 stops33h 13m
British Airways
Mon 3/21:39 pm
COS
-
OTP
2 stops24h 21m
British Airways
Deal found 1/26$820
This KAYAK deal was found by Cheapflights users on 1/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:30 pm
OTP
-
DEN
1 stop34h 00m
British Airways
Fri 10/166:40 pm
DEN
-
OTP
1 stop15h 25m
British Airways
Deal found 1/25$822
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Wed 9/305:45 am
OTP
-
DEN
2 stops22h 15m
Multiple Airlines
Tue 10/134:05 pm
DEN
-
OTP
1 stop17h 30m
Multiple Airlines
Deal found 1/25$826
This KAYAK deal was found by Cheapflights users on 1/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:30 pm
OTP
-
DEN
1 stop34h 00m
British Airways
Wed 10/1412:31 pm
DEN
-
OTP
2 stops16h 59m
British Airways
Deal found 1/25$827
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 10/36:05 am
OTP
-
DEN
2 stops21h 55m
Multiple Airlines
Wed 10/144:05 pm
DEN
-
OTP
1 stop17h 30m
Multiple Airlines
Deal found 1/25$833
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Wed 9/305:45 am
OTP
-
DEN
2 stops22h 15m
Multiple Airlines
Sun 10/184:05 pm
DEN
-
OTP
1 stop17h 30m
Multiple Airlines
Deal found 1/25$842
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Mon 2/235:55 am
OTP
-
COS
3 stops19h 35m
United Airlines
Mon 3/29:24 am
COS
-
OTP
2 stops19h 41m
United Airlines
Deal found 1/26$1,091
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Tue 2/35:55 am
OTP
-
COS
2 stops21h 23m
United Airlines
Sat 2/711:43 am
COS
-
OTP
2 stops27h 07m
United Airlines
Deal found 1/25$1,297

Find 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$784
(British Airways)

One-way from

$438
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$778
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.
Search Deals
From Bucharest Otopeni Intl to Colorado
Search Deals
One-way flight from Bucharest Otopeni Intl to Colorado
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
Search Deals
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 January 2026
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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 January 27, 2026.
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 4/9

8:15 am-4:30 pm

1 stop17h 15m

Denver Intl

Tue 4/14

6:40 pm-1:20 am

1 stop21h 40m

$784

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 2/19

8:00 am-3:30 pm

1 stop16h 30m

Denver Intl

Mon 2/23

7:00 am-3:30 pm

2 stops23h 30m

$792

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 2/19

8:00 am-3:30 pm

1 stop16h 30m

Denver Intl

Mon 2/23

5:25 pm-11:00 pm

1 stop20h 35m

$792

BucharestColorado Springs

OTP - COS

OTPCOS

Bucharest Otopeni Intl

Mon 2/23

8:25 pm-8:38 pm

2 stops33h 13m

Colorado Springs

Mon 3/2

1:39 pm-11:00 pm

2 stops24h 21m

$820

BucharestColorado Springs

OTP - COS

OTPCOS

Bucharest Otopeni Intl

Mon 2/23

5:55 am-4:30 pm

3 stops19h 35m

Colorado Springs

Mon 3/2

9:24 am-2:05 pm

2 stops19h 41m

$1,091

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Mon 2/2

8:15 pm-10:30 am

3 stops47h 15m

$438

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Sun 2/1

6:15 am-6:37 pm

3 stops45h 22m

$491

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Tue 2/3

6:55 am-2:22 pm

2 stops40h 27m

$494

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Wed 2/4

12:10 pm-9:59 am

3 stops54h 49m

$507

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Wed 6/10

8:15 am-12:07 am

2 stops24h 52m

$562

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 11 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 January 27, 2026.
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
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

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
8,119 reviews
Delta
7.9
Good
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

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
9,205 reviews
Delta
7.9
Good
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

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
7,702 reviews
Delta
7.9
Good
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

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 17h 15m. British Airways provides one of the quickest options available for as low as $784. 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.

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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$740Average$824FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$816Average$910FlexibilityNo cancel feeOn-time69%
DeltaCheapest$817Average$1,058FlexibilityNo cancel feeOn-timeN/A

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