HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Otopeni Intl

$355+ Cheap flights from Aurora, CO to Otopeni Intl (OTP)

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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — OTP
Nov 30 — Dec 71
Sun 11/30
Sun 12/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Aurora to Otopeni Intl 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 Aurora to Otopeni Intl

Keep the following information in mind while searching for Aurora to Otopeni Intl flight deals. Data was last updated October 31, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$573
(KAYAK)

One-way from

$355
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$686
Provider with most accurate pricing for Denver Intl-Bucharest (BUH) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Bucharest (BUH) flights.
Search Deals
From Aurora to Bucharest Otopeni Intl
Search Deals
One-way flight from Aurora to Bucharest Otopeni Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Aurora to Otopeni Intl

Cheapest flights from Aurora to Otopeni Intl
Explore the most affordable flight options available from Aurora to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/31. 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.
Mon 11/35:45 pmDEN - OTP
1 stop15h 55mLufthansa
Wed 11/126:05 amOTP - DEN
1 stop17h 30mLufthansa
Deal found 10/31$604
This FlightHub deal was found by Cheapflights users on 10/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/47:20 pmDEN - OTP
1 stop33h 50mTurkish Airlines
Wed 11/123:30 pmOTP - DEN
1 stop35h 05mTurkish Airlines
Deal found 10/31$612
This Gotogate deal was found by Cheapflights users on 10/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/44:20 pmDEN - OTP
1 stop17h 15mMultiple Airlines
Wed 11/126:30 amOTP - DEN
2 stops22h 25mMultiple Airlines
Deal found 10/31$617
This Gotogate deal was found by Cheapflights users on 10/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/35:45 pmDEN - OTP
1 stop15h 55mMultiple Airlines
Wed 11/126:30 amOTP - DEN
2 stops22h 25mMultiple Airlines
Deal found 10/31$630
This Cheapflightsfares deal was found by Cheapflights users on 10/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:25 pmDEN - OTP
2 stops16h 10mLufthansa
Wed 11/122:40 pmOTP - DEN
2 stops17h 35mLufthansa
Deal found 10/31$632
This British Airways deal was found by Cheapflights users on 10/30. 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.
Sun 11/165:25 pmDEN - OTP
1 stop21h 20mBritish Airways
Mon 11/244:00 pmOTP - DEN
2 stops32h 46mBritish Airways
Deal found 10/30$648
This Delta deal was found by Cheapflights users on 10/29. 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.
Wed 10/292:57 pmDEN - OTP
2 stops23h 53mDelta
Fri 11/76:00 amOTP - DEN
2 stops24h 41mDelta
Deal found 10/29$649
This FlightHub deal was found by Cheapflights users on 10/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/295:20 pmDEN - OTP
1 stop17h 15mLufthansa
Fri 11/75:55 amOTP - DEN
2 stops19h 35mLufthansa
Deal found 10/29$655
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/163:55 pmDEN - OTP
1 stop13h 10mUnited Airlines
Mon 11/242:50 pmOTP - DEN
1 stop31h 50mUnited Airlines
Deal found 10/30$665
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/38:20 pmDEN - OTP
2 stops18h 35mUnited Airlines
Wed 11/126:05 amOTP - DEN
2 stops18h 38mUnited Airlines
Deal found 10/31$674
This Delta deal was found by Cheapflights users on 10/30. 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.
Sun 11/166:00 amDEN - OTP
2 stops21h 05mDelta
Mon 11/246:00 amOTP - DEN
2 stops20h 51mDelta
Deal found 10/30$699
This KLM deal was found by Cheapflights users on 10/29. 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.
Sun 11/161:57 pmDEN - OTP
2 stops16h 28mKLM
Mon 11/246:00 amOTP - DEN
2 stops18h 39mKLM
Deal found 10/29$704

Cheapflights Fare Finder

 
Customize your flight search to find flights from Aurora to Otopeni Intl 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 October 31, 2025.
Use the filters below to find and compare flights from Aurora to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Aurora

Fly to

Otopeni Intl

Route

Depart

Return

Price

DenverBucharest

DEN - OTP

DENOTP

Denver Intl

Tue 11/4

5:25 pm-6:35 pm

2 stops16h 10m

Bucharest Otopeni Intl

Wed 11/12

2:40 pm-11:15 pm

2 stops17h 35m

$632

DenverBucharest

DEN - OTP

DENOTP

Denver Intl

Sun 11/16

5:25 pm-11:45 pm

1 stop21h 20m

Bucharest Otopeni Intl

Mon 11/24

4:00 pm-3:46 pm

2 stops32h 46m

$648

DenverBucharest

DEN - OTP

DENOTP

Denver Intl

Sun 11/16

3:55 pm-11:50 pm

1 stop22h 55m

Bucharest Otopeni Intl

Mon 11/24

2:50 pm-4:00 pm

1 stop34h 10m

$665

DenverBucharest

DEN - OTP

DENOTP

Denver Intl

Mon 11/3

8:20 pm-11:55 pm

2 stops18h 35m

Bucharest Otopeni Intl

Wed 11/12

6:05 am-3:43 pm

2 stops18h 38m

$674

DenverBucharest

DEN - OTP

DENOTP

Denver Intl

Sun 11/16

7:10 am-12:05 pm

2 stops19h 55m

Bucharest Otopeni Intl

Mon 11/24

6:00 am-6:33 pm

2 stops21h 33m

$699

DenverBucharest

DEN - OTP

DENOTP

Denver Intl

Wed 11/5

7:05 am-12:05 pm

2 stops20h 00m

Bucharest Otopeni Intl

Sat 11/15

6:00 am-10:38 pm

2 stops25h 38m

$699

DenverBucharest

DEN - OTP

DENOTP

Denver Intl

Sun 11/16

1:57 pm-3:25 pm

2 stops16h 28m

Bucharest Otopeni Intl

Mon 11/24

6:00 am-3:39 pm

2 stops18h 39m

$704

DenverBucharest

DEN - OTP

DENOTP

Denver Intl

Wed 11/5

3:55 pm-2:00 pm

1 stop13h 05m

Bucharest Otopeni Intl

Sat 11/15

5:55 am-5:52 pm

2 stops20h 57m

$705

DenverBucharest

DEN - OTP

DENOTP

Denver Intl

Fri 11/7

9:09 am-1:15 am

3 stops55h 06m

$355

DenverBucharest

DEN - OTP

DENOTP

Denver Intl

Mon 11/10

4:20 pm-6:35 pm

1 stop17h 15m

$492

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 13 results
1
2

Best time to book a flight from Aurora to Otopeni Intl

Have a flexible travel schedule? Discover the best time to fly to Otopeni Intl from Aurora 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 Aurora to Bucharest Otopeni Intl Airport

What is the cheapest month to book a flight from Aurora to Bucharest Otopeni Intl Airport?

Currently, April is the cheapest month in which you can book a flight from Aurora to Bucharest Otopeni Intl Airport (average of $508). Flying from Aurora to Bucharest Otopeni Intl Airport in February is currently the most expensive (average of $1,137). 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.

What is the cheapest time of day to fly from 9UR to OTP?

Find hourly flight availability from Aurora to Otopeni Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 31, 2025.

One of the essential ways to save on airfare from Aurora to Bucharest Otopeni Intl Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 51% on airfare.

Reviews of airlines servicing Otopeni Intl

Get insights into the airlines that provide service to Otopeni Intl. 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 Otopeni Intl. Reviews last updated October 31, 2025.
Read through reviews of airlines operating flights from Aurora to Bucharest Otopeni Intl Airport, such as United Airlines, Turkish Airlines, and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,994 reviews

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,994 reviews
United Airlines
7.4
Good
8,994 reviews

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Turkish Airlines
7.3
Good
4,035 reviews
United Airlines
7.4
Good
8,994 reviews

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
7,542 reviews
United Airlines
7.4
Good
8,994 reviews

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
British Airways
6.7
Okay
7,489 reviews
United Airlines
7.4
Good
8,994 reviews

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Aurora to Otopeni Intl. 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 Aurora to Bucharest Otopeni Intl Airport?

    Departing from Aurora to Bucharest Otopeni Intl Airport will take you 16h 10m. There are 5847 mi between Aurora and Bucharest Otopeni Intl Airport. This flight may include one or multiple stops.

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

    Yes. In addition to deals on Aurora to Otopeni Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Aurora to Otopeni Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Aurora to Otopeni Intl.

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

    Yes. Cheapflights offers flight deals from Aurora to Otopeni Intl 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 Aurora to Bucharest Otopeni Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Aurora to Bucharest Otopeni Intl Airport (average of $508). Flying from Aurora to Bucharest Otopeni Intl Airport in February is currently the most expensive (average of $1,137). 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

Traveling to a place near Bucharest Otopeni Intl Airport?

Book flights to Bucharest Otopeni Intl Airport if you plan to visit one of these locations
Otopeni

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 Aurora to Otopeni Intl

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Otopeni Intl flights

Top 4 airlines flying from Aurora to Otopeni Intl

Discover the top 4 airlines that operate flights from Aurora to Otopeni Intl. 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 October 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$534Average$890FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$552Average$830FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$621Average$867FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$676Average$1,117FlexibilityNo cancel feeOn-time76%

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.