HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Colorado

$470+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — DEN
dic. 13 — dic. 201
sáb. 12/13
sáb. 12/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Otopeni Intl to Colorado with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 noviembre 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$847
(United Airlines)

One-way from

$470
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$751
Provider with most accurate pricing for Bucharest (BUH)-Denver Intl flight deals.
Search Deals
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. 1% potential increase in price ($9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 noviembre 13, 2025.

This United Airlines deal was found by Cheapflights users on 11/10. 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.
jue. 11/275:50 amOTP - DEN
1 stop19h 10mUnited Airlines
mié. 12/35:45 pmDEN - OTP
1 stop21h 10mUnited Airlines
Deal found 11/10$847
This Delta deal was found by Cheapflights users on 11/10. 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.
jue. 11/276:00 amOTP - DEN
2 stops25h 28mDelta
mié. 12/37:10 amDEN - OTP
2 stops19h 55mDelta
Deal found 11/10$856
This United Airlines deal was found by Cheapflights users on 11/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/175:55 amOTP - DEN
2 stops37h 17mUnited Airlines
lun. 1/193:55 pmDEN - OTP
1 stop13h 10mUnited Airlines
Deal found 11/13$913
This Delta deal was found by Cheapflights users on 11/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/161:55 pmOTP - DEN
2 stops19h 07mDelta
lun. 1/196:00 amDEN - OTP
2 stops21h 05mDelta
Deal found 11/13$923
This Delta deal was found by Cheapflights users on 11/11. 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.
sáb. 12/276:00 amOTP - DEN
2 stops25h 56mDelta
vie. 1/97:00 amDEN - OTP
2 stops21h 50mDelta
Deal found 11/11$943
This United Airlines deal was found by Cheapflights users on 11/12. 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.
sáb. 11/152:50 pmOTP - DEN
2 stops35h 55mUnited Airlines
lun. 1/193:55 pmDEN - OTP
1 stop13h 10mUnited Airlines
Deal found 11/12$967
This KLM deal was found by Cheapflights users on 11/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/276:00 amOTP - DEN
2 stops18h 13mKLM
vie. 1/93:07 pmDEN - OTP
2 stops15h 18mKLM
Deal found 11/13$983
This United Airlines deal was found by Cheapflights users on 11/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/176:05 amOTP - DEN
1 stop21h 50mMultiple Airlines
lun. 1/193:55 pmDEN - OTP
1 stop13h 10mMultiple Airlines
Deal found 11/13$995
This British Airways deal was found by Cheapflights users on 11/11. 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.
sáb. 12/278:05 amOTP - DEN
1 stop16h 25mBritish Airways
vie. 1/94:30 pmDEN - OTP
2 stops21h 55mBritish Airways
Deal found 11/11$1,024
This Trip.com deal was found by Cheapflights users on 11/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/177:05 pmOTP - DEN
1 stop27h 35mLufthansa
lun. 1/193:55 pmDEN - OTP
1 stop13h 10mLufthansa
Deal found 11/12$1,044
This United Airlines deal was found by Cheapflights users on 11/12. 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.
sáb. 11/156:05 amOTP - DEN
1 stop21h 50mMultiple Airlines
lun. 1/193:55 pmDEN - OTP
1 stop13h 10mMultiple Airlines
Deal found 11/12$1,065

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 noviembre 13, 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

jue. 11/27

5:50 am-4:00 pm

1 stop19h 10m

Denver Intl

mié. 12/3

5:45 pm-11:55 pm

1 stop21h 10m

$847

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

jue. 11/27

6:00 am-10:28 pm

2 stops25h 28m

Denver Intl

mié. 12/3

7:10 am-12:05 pm

2 stops19h 55m

$856

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

mié. 5/6

8:25 am-4:35 pm

1 stop17h 10m

Denver Intl

dom. 5/10

6:40 pm-12:45 am

1 stop21h 05m

$869

BucharestColorado Springs

OTP - COS

OTPCOS

Bucharest Otopeni Intl

jue. 3/5

8:00 am-11:54 pm

2 stops24h 54m

Colorado Springs

lun. 3/9

5:08 pm-11:00 pm

2 stops21h 52m

$883

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

mar. 3/17

5:35 am-1:23 am

3 stops27h 48m

$505

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

dom. 3/22

6:05 am-9:08 am

3 stops59h 03m

$527

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

jue. 3/19

8:00 am-4:30 pm

1 stop16h 30m

$536

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

mié. 3/18

8:05 am-4:30 pm

1 stop16h 25m

$536

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

dom. 3/22

4:10 pm-4:30 pm

1 stop32h 20m

$536

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

mar. 3/17

8:00 am-4:30 pm

1 stop16h 30m

$536

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

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
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 noviembre 13, 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
8,007 reviews

Overall

7.9

Boarding

8.1

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Boarding

8.1

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

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
9,015 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Boarding

8.1

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

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
7,516 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Boarding

8.1

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

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 10m. United Airlines provides one of the quickest options available for as low as $869. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Otopeni Intl to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
Otopeni Intl to John F Kennedy Intl flights
Otopeni Intl to Newark flights
Otopeni Intl to LaGuardia flights
Otopeni Intl to Miami flights
Otopeni Intl to Los Angeles flights
Otopeni Intl to O'Hare Intl flights
Otopeni Intl to Dallas/Fort Worth flights
Otopeni Intl to Hobby flights
Otopeni Intl to Las Vegas flights
Otopeni Intl to Fort Lauderdale flights
Otopeni Intl to Dulles Intl flights
Otopeni Intl to Boston flights
Otopeni Intl to West Palm Beach flights
Otopeni Intl to Atlanta flights
Otopeni Intl to San Francisco flights
Otopeni Intl to Orlando flights
Otopeni Intl to Honolulu flights
Otopeni Intl to Baltimore flights
Otopeni Intl to San Diego flights
Otopeni Intl to George Bush Intcntl flights
Otopeni Intl to Sky Harbor Intl flights
Otopeni Intl to Reagan-National flights
Otopeni Intl to Cleveland flights
Otopeni Intl to Seattle flights
Otopeni Intl to Austin flights
Otopeni Intl to Philadelphia flights
Otopeni Intl to Santa Ana flights
Otopeni Intl to Salt Lake City flights
Otopeni Intl to Portland flights
Otopeni Intl to Tampa flights
Otopeni Intl to Kansas City flights
Otopeni Intl to Denver flights
Otopeni Intl to Charlotte flights
Otopeni Intl to Jacksonville flights
Otopeni Intl to Des Moines flights
Otopeni Intl to Norfolk flights
Otopeni Intl to Nashville flights
Otopeni Intl to Raleigh flights
Otopeni Intl to Fort Myers flights
Otopeni Intl to Detroit flights
Otopeni Intl to Albany flights
Otopeni Intl to St. Louis flights

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 noviembre 13, 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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.