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$652+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — DEN
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$652
(Kiwi.com)

Popular in

September

Cheapest in

April

Average price

$792
From Bucharest Otopeni Intl to Colorado
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/1. 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 9/39:30 amOTP - DEN
1 stop24h 40mMultiple Airlines
Mon 9/154:40 pmDEN - OTP
2 stops21h 30mMultiple Airlines
Deal found 7/1$652
This British Airways deal was found by Cheapflights users on 7/1. 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 9/49:15 pmOTP - DEN
2 stops33h 35mBritish Airways
Fri 9/196:35 pmDEN - OTP
1 stop20h 15mBritish Airways
Deal found 7/1$788
This Delta deal was found by Cheapflights users on 7/1. 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.
Tue 9/27:00 amOTP - DEN
2 stops22h 16mDelta
Tue 9/167:05 amDEN - OTP
2 stops20h 05mDelta
Deal found 7/1$809
This KLM deal was found by Cheapflights users on 7/1. 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.
Tue 9/28:35 amOTP - DEN
2 stops20h 20mKLM
Wed 9/1711:20 amDEN - OTP
2 stops16h 40mKLM
Deal found 7/1$816
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Wed 9/36:00 amOTP - DEN
2 stops21h 18mUnited Airlines
Mon 9/1511:15 amDEN - OTP
2 stops15h 40mUnited Airlines
Deal found 7/1$827
This Lufthansa deal was found by Cheapflights users on 7/1. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/66:05 amOTP - DEN
1 stop16h 40mLufthansa
Tue 9/164:15 pmDEN - OTP
1 stop17h 20mLufthansa
Deal found 7/1$851
This KLM deal was found by Cheapflights users on 7/1. 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.
Fri 8/157:00 amOTP - COS
2 stops22h 41mKLM
Fri 8/2211:06 amCOS - OTP
2 stops19h 19mKLM
Deal found 7/1$862
This Austrian Airlines deal was found by Cheapflights users on 7/1. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/31:15 pmOTP - DEN
2 stops36h 20mAustrian Airlines
Sat 9/209:40 amDEN - OTP
2 stops17h 45mAustrian Airlines
Deal found 7/1$863
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Tue 9/28:25 amOTP - DEN
2 stops23h 34mAmerican Airlines
Fri 9/192:47 pmDEN - OTP
2 stops24h 03mAmerican Airlines
Deal found 7/1$869
This SWISS deal was found by Cheapflights users on 7/1. 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.
Mon 9/14:10 pmOTP - DEN
2 stops56h 59mSWISS
Mon 9/155:50 pmDEN - OTP
1 stop22h 15mSWISS
Deal found 7/1$875
This Delta deal was found by Cheapflights users on 7/2. 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 7/186:30 amOTP - COS
2 stops24h 43mDelta
Tue 7/2210:54 amCOS - OTP
2 stops17h 06mDelta
Deal found 7/2$1,036
This Mytrip deal was found by Cheapflights users on 7/2. 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.
Fri 7/183:40 pmOTP - COS
2 stops38h 46mMultiple Airlines
Tue 7/225:30 amCOS - OTP
3 stops29h 50mMultiple Airlines
Deal found 7/2$2,971

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 July 3, 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 9/3

9:30 am-1:10 am

1 stop24h 40m

Denver Intl

Mon 9/15

4:40 pm-11:10 pm

2 stops21h 30m

$652

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Thu 9/4

9:15 pm-9:50 pm

2 stops33h 35m

Denver Intl

Thu 9/18

6:35 pm-1:25 am

1 stop21h 50m

$788

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Tue 9/2

7:00 am-8:16 pm

2 stops22h 16m

Denver Intl

Tue 9/16

7:05 am-12:10 pm

2 stops20h 05m

$809

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Tue 9/2

8:35 am-7:55 pm

2 stops20h 20m

Denver Intl

Wed 9/17

11:20 am-1:00 pm

2 stops16h 40m

$816

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Wed 9/3

6:00 am-6:18 pm

2 stops21h 18m

Denver Intl

Mon 9/15

11:15 am-11:55 am

2 stops15h 40m

$827

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Sat 9/6

6:05 am-1:45 pm

1 stop16h 40m

Denver Intl

Tue 9/16

4:15 pm-6:35 pm

1 stop17h 20m

$851

BucharestColorado Springs

OTP - COS

OTPCOS

Bucharest Otopeni Intl

Fri 8/15

7:00 am-8:41 pm

2 stops22h 41m

Colorado Springs

Fri 8/22

11:06 am-3:25 pm

2 stops19h 19m

$862

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Wed 9/3

1:15 pm-4:35 pm

2 stops36h 20m

Denver Intl

Sat 9/20

9:40 am-12:25 pm

2 stops17h 45m

$863

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Tue 9/2

8:25 am-10:59 pm

2 stops23h 34m

Denver Intl

Fri 9/19

2:47 pm-11:50 pm

2 stops24h 03m

$869

BucharestDenver

OTP - DEN

OTPDEN

Bucharest Otopeni Intl

Mon 9/1

4:10 pm-4:09 pm

2 stops56h 59m

Denver Intl

Mon 9/15

5:50 pm-1:05 am

1 stop22h 15m

$875

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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.

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 July 3, 2025.
Get a feel of what it's like to fly with Delta, KLM, and Austrian Airlines 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
7,982 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,367 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
809 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,654 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$666Average$804FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$789Average$1,055FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$816Average$910FlexibilityNo cancel feeOn-time69%
DeltaCheapest$817Average$1,058FlexibilityNo cancel feeOn-timeN/A

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