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. British Airways provides one of the quickest options available for as low as $783. Airlines will cover a distance of 5847 mi. This flight may include one or multiple stops.

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.

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).

What are the most popular airlines that fly from Bucharest Otopeni Intl Airport to Colorado?

Before booking your flight from Bucharest Otopeni Intl Airport to Colorado check out the most popular airlines for this route: British Airways, Delta or United Airlines.

What is the cheapest time of day to fly from OTP to CO?

When flying from Bucharest Otopeni Intl Airport to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$557+ Flights from Bucharest Otopeni Intl Airport to Colorado

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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 December 26, 2025.

Sat 12/276:00 amOTP - DEN

2 stops22h 13mDelta

Fri 1/96:30 amDEN - OTP

2 stops22h 20mDelta

Deal found 12/24

$1,050

Sat 12/278:05 amOTP - DEN

2 stops24h 51mBritish Airways

Fri 1/95:25 pmDEN - OTP

1 stop21h 00mBritish Airways

Deal found 12/24

$1,142

Sat 12/278:05 amOTP - DEN

2 stops23h 21mMultiple Airlines

Fri 1/95:25 pmDEN - OTP

1 stop21h 00mMultiple Airlines

Deal found 12/25

$1,143

Best flights from Otopeni Intl to Colorado
Discover carefully curated flight deals from Otopeni Intl to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 26, 2025.

Wed 1/213:35 pmOTP - DEN

2 stops35h 30mMultiple Airlines

Wed 1/283:40 pmDEN - OTP

2 stops26h 35mMultiple Airlines

Deal found 12/24

$739

Fri 1/168:00 amOTP - DEN

1 stop16h 30mBritish Airways

Thu 1/225:25 pmDEN - OTP

1 stop21h 20mBritish Airways

Deal found 12/25

$783

Wed 1/216:05 amOTP - DEN

1 stop17h 30mLufthansa

Wed 1/284:20 pmDEN - OTP

1 stop17h 15mLufthansa

Deal found 12/24

$895

Tue 2/35:55 amOTP - COS

2 stops23h 10mUnited Airlines

Sat 2/79:27 amCOS - OTP

2 stops29h 23mUnited Airlines

Deal found 12/25

$1,302

Fri 1/168:00 amOTP - DEN

1 stop16h 30mMultiple Airlines

Thu 1/228:30 amDEN - OTP

2 stops22h 15mMultiple Airlines

Deal found 12/26

$783

Wed 1/218:05 amOTP - DEN

2 stops24h 11mBritish Airways

Wed 1/2812:28 pmDEN - OTP

2 stops22h 32mBritish Airways

Deal found 12/24

$795

Sat 2/78:05 amOTP - DEN

1 stop16h 25mBritish Airways

Sat 2/145:25 pmDEN - OTP

1 stop21h 20mBritish Airways

Deal found 12/23

$810

Fri 2/138:20 pmOTP - COS

2 stops34h 48mBritish Airways

Tue 2/1710:24 amCOS - OTP

2 stops27h 31mBritish Airways

Deal found 12/23

$1,080

Last-minute flights from Otopeni Intl to Colorado
Discover last-minute flight deals from Otopeni Intl to Colorado. Data last updated December 26, 2025 and is based on user searches.

Fri 1/168:00 amOTP - DEN

1 stop16h 30mAmerican Airlines

Thu 1/225:25 pmDEN - OTP

1 stop21h 20mAmerican Airlines

Deal found 12/26

$782

Fri 1/168:00 amOTP - DEN

1 stop16h 30mBritish Airways

Thu 1/2210:45 amDEN - OTP

2 stops28h 00mBritish Airways

Deal found 12/25

$783

Fri 1/168:00 amOTP - DEN

2 stops23h 34mMultiple Airlines

Thu 1/229:15 amDEN - OTP

2 stops21h 30mMultiple Airlines

Deal found 12/26

$788

Wed 1/213:35 pmOTP - DEN

2 stops35h 30mMultiple Airlines

Wed 1/283:40 pmDEN - OTP

2 stops26h 35mMultiple Airlines

Deal found 12/24

$739

Wed 1/218:05 amOTP - DEN

2 stops24h 11mBritish Airways

Wed 1/2812:28 pmDEN - OTP

2 stops22h 32mBritish Airways

Deal found 12/24

$795

Wed 1/216:05 amOTP - DEN

1 stop17h 30mLufthansa

Wed 1/284:20 pmDEN - OTP

1 stop17h 15mLufthansa

Deal found 12/24

$895

Fri 1/308:00 amOTP - DEN

1 stop16h 30mBritish Airways

Mon 2/25:25 pmDEN - OTP

1 stop36h 20mBritish Airways

Deal found 12/25

$913

One-way flights from Otopeni Intl to Colorado
Search for one-way flight options from Otopeni Intl to Colorado. Find affordable one-way fares based on user searches. Data last updated December 26, 2025.

Sat 6/208:45 pmOTP - DEN

2 stops30h 14mMultiple Airlines

Deal found 12/24

$557

Sat 6/208:05 pmOTP - DEN

1 stop29h 25mBritish Airways

Deal found 12/24

$582

Find flight deals from Otopeni Intl to Colorado

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$739 (Trip.com)
One-way from	$557 (Kiwi.com)
Popular in	December
Cheapest in	March
Average price	$917

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

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 ($13 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 December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Wed 1/21

3:35 pm-6:05 pm

2 stops35h 30m

Denver Intl

Wed 1/28

3:40 pm-3:15 am

2 stops26h 35m

$739

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Fri 1/16

8:00 am-3:30 pm

1 stop16h 30m

Denver Intl

Thu 1/22

5:25 pm-11:45 pm

1 stop21h 20m

$783

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Fri 1/16

8:00 am-3:30 pm

1 stop16h 30m

Denver Intl

Thu 1/22

8:30 am-3:45 pm

2 stops22h 15m

$783

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Wed 1/21

8:05 am-11:16 pm

2 stops24h 11m

Denver Intl

Wed 1/28

12:28 pm-8:00 pm

2 stops22h 32m

$795

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Sat 2/7

8:05 am-3:30 pm

1 stop16h 25m

Denver Intl

Sat 2/14

5:25 pm-11:45 pm

1 stop21h 20m

$810

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Wed 1/21

6:05 am-2:35 pm

1 stop17h 30m

Denver Intl

Wed 1/28

4:20 pm-6:35 pm

1 stop17h 15m

$895

BucharestColorado Springs

OTP - COS

OTPCOS

Bucharest Otopeni Intl

Fri 2/13

8:20 pm-10:08 pm

2 stops34h 48m

Colorado Springs

Tue 2/17

10:24 am-10:55 pm

2 stops27h 31m

$1,080

BucharestColorado Springs

OTP - COS

OTPCOS

Bucharest Otopeni Intl

Tue 2/3

5:55 am-8:05 pm

2 stops23h 10m

Colorado Springs

Sat 2/7

9:27 am-11:50 pm

2 stops29h 23m

$1,302

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Sat 6/20

8:45 pm-5:59 pm

2 stops30h 14m

$557

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Sat 6/20

8:05 pm-4:30 pm

1 stop29h 25m

$582

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/24

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 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

8,016 reviews

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

8,016 reviews

Delta

7.9

Good

8,016 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,116 reviews

Delta

7.9

Good

8,016 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

British Airways

6.7

Okay

7,618 reviews

Delta

7.9

Good

8,016 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

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. British Airways provides one of the quickest options available for as low as $783. 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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Complete your trip

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Top 3 airlines flying from Otopeni Intl to Colorado

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$666	Average$826	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$816	Average$910	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$817	Average$1,058	FlexibilityNo cancel fee	On-timeN/A

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$557+ 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 6/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Otopeni Intl to Colorado with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Otopeni Intl to Colorado

Cheapest flights from Otopeni Intl to ColoradoExplore 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 December 26, 2025.

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 December 26, 2025.

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 December 26, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport to Colorado that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Bucharest Otopeni Intl Airport to Colorado

Reviews of airlines servicing Colorado

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?

Can I find deals for flights from Otopeni Intl to Colorado that include hotel bookings?

How can I find direct flights from Otopeni Intl to Colorado?

Can I find deals for business class flights from Otopeni Intl to Colorado?

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 3 airlines flying from Otopeni Intl to Colorado

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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 December 26, 2025.