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$350+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — DEN
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$740
(Delta)

One-way from

$350
(Kiwi.com)

Popular in

September

Cheapest in

April

Average price

$777
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. 10% potential increase in price ($95 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 24, 2025.

This Delta deal was found by Cheapflights users on 4/24. 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.
Fri 6/136:30 amOTP - DEN
1 stop18h 00mDelta
Mon 7/289:00 amDEN - OTP
2 stops18h 10mDelta
Deal found 4/24$740
This British Airways deal was found by Cheapflights users on 4/24. 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 5/28:25 amOTP - DEN
2 stops22h 41mBritish Airways
Wed 5/72:45 pmDEN - OTP
2 stops20h 35mBritish Airways
Deal found 4/24$741
This KLM deal was found by Cheapflights users on 4/22. 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 6/191:45 pmOTP - DEN
2 stops19h 36mMultiple Airlines
Sun 7/65:40 pmDEN - OTP
1 stop13h 10mMultiple Airlines
Deal found 4/22$747
This Delta deal was found by Cheapflights users on 4/22. 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.
Fri 6/66:30 amOTP - COS
2 stops23h 30mDelta
Fri 6/136:00 amCOS - OTP
2 stops22h 00mDelta
Deal found 4/22$807
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Sun 6/86:05 amOTP - DEN
1 stop16h 40mUnited Airlines
Sun 6/157:45 amDEN - OTP
2 stops24h 05mUnited Airlines
Deal found 4/23$835
This SWISS deal was found by Cheapflights users on 4/23. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/84:10 pmOTP - DEN
1 stop33h 10mSWISS
Sun 6/155:50 pmDEN - OTP
1 stop22h 15mSWISS
Deal found 4/23$855
This Booking.com deal was found by Cheapflights users on 4/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/77:20 pmOTP - COS
2 stops31h 32mLufthansa
Sat 6/143:43 pmCOS - OTP
2 stops24h 17mLufthansa
Deal found 4/23$949
This Mytrip deal was found by Cheapflights users on 4/23. 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.
Sat 6/76:05 amOTP - COS
2 stops19h 32mMultiple Airlines
Sat 6/145:30 amCOS - OTP
3 stops31h 45mMultiple Airlines
Deal found 4/23$1,641
This Emirates deal was found by Cheapflights users on 4/23. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/62:20 amOTP - COS
2 stops28h 19mEmirates
Sat 6/1412:06 pmCOS - OTP
2 stops41h 39mEmirates
Deal found 4/23$2,624
This Emirates deal was found by Cheapflights users on 4/23. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/202:20 amOTP - DEN
2 stops28h 20mEmirates
Wed 5/281:25 pmDEN - OTP
2 stops40h 20mEmirates
Deal found 4/23$2,805

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 April 24, 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

Fri 6/13

6:30 am-3:30 pm

1 stop18h 00m

Denver Intl

Mon 7/28

9:00 am-12:10 pm

2 stops18h 10m

$740

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 6/19

1:45 pm-12:21 am

2 stops19h 36m

Denver Intl

Sun 7/6

5:40 pm-3:50 pm

1 stop13h 10m

$747

BucharestColorado Springs

OTP - COS

OTPCOS

Bucharest Otopeni Intl

Fri 6/6

6:30 am-9:00 pm

2 stops23h 30m

Colorado Springs

Fri 6/13

6:00 am-1:00 pm

2 stops22h 00m

$807

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Fri 6/13

8:25 am-4:25 pm

1 stop17h 00m

Denver Intl

Mon 7/28

6:35 pm-5:25 pm

1 stop13h 50m

$811

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Sun 6/8

6:05 am-1:45 pm

1 stop16h 40m

Denver Intl

Sun 6/15

7:45 am-4:50 pm

2 stops24h 05m

$835

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Sun 6/8

4:10 pm-4:20 pm

1 stop33h 10m

Denver Intl

Sun 6/15

5:50 pm-1:05 am

1 stop22h 15m

$855

BucharestColorado Springs

OTP - COS

OTPCOS

Bucharest Otopeni Intl

Sat 6/7

7:20 pm-5:52 pm

2 stops31h 32m

Colorado Springs

Sat 6/14

3:43 pm-1:00 am

2 stops24h 17m

$949

BucharestColorado Springs

OTP - COS

OTPCOS

Bucharest Otopeni Intl

Sat 6/7

6:05 am-4:37 pm

2 stops19h 32m

Colorado Springs

Sat 6/14

5:30 am-10:15 pm

3 stops31h 45m

$1,641

BucharestColorado Springs

OTP - COS

OTPCOS

Bucharest Otopeni Intl

Fri 6/6

2:20 am-9:39 pm

2 stops28h 19m

Colorado Springs

Sat 6/14

12:06 pm-2:45 pm

2 stops41h 39m

$2,624

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Tue 5/20

2:20 am-9:40 pm

2 stops28h 20m

Denver Intl

Wed 5/28

1:25 pm-2:45 pm

2 stops40h 20m

$2,805

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 13 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.

Rainfall in Colorado by month

Plan your trip to Colorado by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

Plan your trip to Colorado by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Colorado, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 April 24, 2025.
Read reviews from past customers who have flown Emirates, Delta and SWISS from Bucharest to Colorado. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.0
Very good
3,206 reviews

Food

7.8

Crew

8.3

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Emirates
8.0
Very good
3,206 reviews
Emirates
8.0
Very good
3,206 reviews

Food

7.8

Crew

8.3

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Delta
8.0
Very good
7,920 reviews
Emirates
8.0
Very good
3,206 reviews

Food

7.8

Crew

8.3

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
SWISS
7.5
Good
1,582 reviews
Emirates
8.0
Very good
3,206 reviews

Food

7.8

Crew

8.3

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
United Airlines
7.4
Good
8,685 reviews
Emirates
8.0
Very good
3,206 reviews

Food

7.8

Crew

8.3

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Lufthansa
6.7
Okay
7,029 reviews
Emirates
8.0
Very good
3,206 reviews

Food

7.8

Crew

8.3

Comfort

8.0

Boarding

8.1

Entertainment

8.2

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

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.

  • 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.

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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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$666Average$783FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$743Average$927FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$789Average$1,035FlexibilityNo cancel feeOn-time76%

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