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Otopeni Intl

$252+ Cheap flights from Chicago (CHI) 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — OTP
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Bucharest Otopeni Intl are usually found in January or October, booked 50 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from Chicago to Otopeni Intl

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Otopeni Intl (OTP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$554
(FlightHub)

One-way from

$252
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$640
From Chicago (CHI) to Bucharest Otopeni Intl
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One-way flight from Chicago (CHI) to Bucharest Otopeni Intl
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Highest demand for flights based on searches. 23% potential increase in price ($236 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Chicago to Otopeni Intl

Cheapest flights from Chicago to Otopeni Intl
Explore the most affordable flight options available from Chicago to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This FlightHub deal was found by Cheapflights users on 8/14. 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.
Mon 9/811:45 pmORD - OTP
1 stop24h 25mTurkish Airlines
Wed 9/243:55 pmOTP - ORD
1 stop25h 45mTurkish Airlines
Deal found 8/14$554
This oojo deal was found by Cheapflights users on 8/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2711:45 pmORD - OTP
1 stop24h 25mTurkish Airlines
Wed 9/39:50 pmOTP - ORD
1 stop19h 50mTurkish Airlines
Deal found 8/13$557
This FlightHub deal was found by Cheapflights users on 8/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/711:25 amORD - OTP
1 stop12h 45mTurkish Airlines
Wed 10/19:50 pmOTP - ORD
1 stop19h 50mTurkish Airlines
Deal found 8/12$562
This FlightHub deal was found by Cheapflights users on 8/14. 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.
Mon 10/67:50 pmORD - OTP
1 stop34h 45mTurkish Airlines
Mon 10/203:55 pmOTP - ORD
1 stop25h 45mTurkish Airlines
Deal found 8/14$564
This Mytrip deal was found by Cheapflights users on 8/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/63:35 pmORD - OTP
2 stops37h 25mMultiple Airlines
Mon 11/32:50 pmOTP - ORD
1 stop13h 15mMultiple Airlines
Deal found 8/13$571
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/27:05 pmORD - OTP
1 stop12h 15mMultiple Airlines
Tue 11/115:55 amOTP - ORD
1 stop15h 15mMultiple Airlines
Deal found 8/13$572
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:20 pmORD - OTP
1 stop12h 10mMultiple Airlines
Sat 11/86:30 amOTP - ORD
1 stop17h 50mMultiple Airlines
Deal found 8/13$574
This Ovago deal was found by Cheapflights users on 8/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:45 pmORD - OTP
1 stop20h 40mBritish Airways
Sun 11/167:35 amOTP - ORD
1 stop15h 50mBritish Airways
Deal found 8/13$575
This Ovago deal was found by Cheapflights users on 8/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:45 pmORD - OTP
1 stop17h 40mBritish Airways
Fri 11/218:00 amOTP - ORD
1 stop18h 45mBritish Airways
Deal found 8/13$576
This Gurufare deal was found by Cheapflights users on 8/14. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:10 pmORD - OTP
1 stop14h 35mBritish Airways
Tue 12/24:40 pmOTP - ORD
1 stop32h 20mBritish Airways
Deal found 8/14$577
This FlightHub deal was found by Cheapflights users on 8/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2711:45 pmORD - OTP
1 stop24h 20mTurkish Airlines
Mon 10/273:30 pmOTP - ORD
1 stop26h 35mTurkish Airlines
Deal found 8/12$581
This Delta deal was found by Cheapflights users on 8/14. 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 11/141:00 pmMDW - OTP
2 stops16h 50mDelta
Fri 11/216:05 amOTP - MDW
2 stops20h 31mDelta
Deal found 8/14$644

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 August 14, 2025.
Use the filters below to find and compare flights from Chicago to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Chicago

Fly to

Otopeni Intl

Route

Depart

Return

Price

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 9/8

11:45 pm-8:10 am

1 stop24h 25m

Bucharest Otopeni Intl

Wed 9/24

3:55 pm-9:40 am

1 stop25h 45m

$554

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 2/10

8:20 pm-8:30 pm

1 stop16h 10m

Bucharest Otopeni Intl

Tue 2/24

9:50 pm-10:05 am

1 stop20h 15m

$557

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/27

11:45 pm-8:10 am

1 stop24h 25m

Bucharest Otopeni Intl

Wed 9/3

9:50 pm-9:40 am

1 stop19h 50m

$557

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 9/3

11:45 pm-8:05 am

1 stop24h 20m

Bucharest Otopeni Intl

Wed 11/19

3:30 pm-6:25 pm

1 stop34h 55m

$557

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 9/7

11:25 am-8:10 am

1 stop12h 45m

Bucharest Otopeni Intl

Wed 10/1

9:50 pm-9:40 am

1 stop19h 50m

$562

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 11/14

9:55 pm-5:40 pm

1 stop11h 45m

Bucharest Otopeni Intl

Sun 11/23

2:35 pm-8:00 pm

1 stop13h 25m

$564

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 10/6

11:45 pm-8:10 am

1 stop24h 25m

Bucharest Otopeni Intl

Mon 11/3

10:10 am-10:05 am

1 stop31h 55m

$564

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 9/8

11:45 pm-8:10 am

1 stop24h 25m

Bucharest Otopeni Intl

Mon 9/22

3:55 pm-9:40 am

1 stop25h 45m

$564

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 10/6

7:50 pm-2:35 pm

1 stop34h 45m

Bucharest Otopeni Intl

Mon 10/20

3:55 pm-9:40 am

1 stop25h 45m

$564

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 1/11

1:12 pm-6:25 pm

2 stops21h 13m

Bucharest Otopeni Intl

Sun 1/25

6:30 am-4:20 pm

1 stop17h 50m

$565

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 39 results
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Best time to book a flight from Chicago to Otopeni Intl

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

How far ahead should I book a flight from Chicago to Bucharest Otopeni Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Otopeni Intl. Price data was last updated on August 8, 2025.

The price you pay for your flight from Chicago to Bucharest Otopeni Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 50 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Chicago to Bucharest Otopeni Intl Airport (average of $604). Flying from Chicago to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $1,134). 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 CHI to OTP?

Find hourly flight availability from Chicago 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 August 14, 2025.

It’s typically best to fly out from Chicago to Bucharest Otopeni Intl Airport in the morning. Doing so could potentially save you 33% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Chicago to Bucharest Otopeni Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Otopeni Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago to Bucharest Otopeni Intl Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What’s the top layover airport for flights from Chicago to Bucharest Otopeni Intl Airport?

Share of 1-stop round-trip flights from Chicago to Bucharest Otopeni Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Amsterdam (AMS) – chosen by Cheapflights users on 53% of 1-stop itineraries from Chicago to Bucharest Otopeni Intl Airport on Cheapflights.

What’s the cheapest layover airport for flights from Chicago to Bucharest Otopeni Intl Airport?

Average round-trip fare for 1-stop flights from Chicago to Bucharest Otopeni Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Warsaw (WAW) is the most affordable 1-stop option, with an average round-trip price of $2,162.

What’s the fastest layover option from Chicago to Bucharest Otopeni Intl Airport?

Shortest average travel time for 1-stop one-way flights from Chicago to Bucharest Otopeni Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Warsaw (WAW) have the shortest average one-way travel time for 1-stop routes: 11h 52m.

Which airport typically offers the quickest layover for flights from Chicago to Bucharest Otopeni Intl Airport?

Average layover duration for 1-stop one-way flights from Chicago to Bucharest Otopeni Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Warsaw (WAW) offer the fastest connection on this route, with an average layover time of 1h 08m.

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 August 14, 2025.
See what other customers who have flown with KLM, LOT, and United Airlines from Chicago to Bucharest Otopeni Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,381 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,381 reviews
KLM
7.8
Good
1,381 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
LOT
7.6
Good
1,107 reviews
KLM
7.8
Good
1,381 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,916 reviews
KLM
7.8
Good
1,381 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Turkish Airlines
7.3
Good
3,940 reviews
KLM
7.8
Good
1,381 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Lufthansa
6.8
Okay
7,317 reviews
KLM
7.8
Good
1,381 reviews

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Otopeni Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Chicago to Bucharest Otopeni Intl Airport round-trip?

    Flying on Scandinavian Airlines is currently your cheapest option to Bucharest Otopeni Intl Airport, with prices starting at $385. Additional round-trip tickets that might be worth considering are offered by Turkish Airlines and Austrian Airlines, with the lowest prices starting at $503 and $517, respectively. You may be able to fly from Chicago to Bucharest Otopeni Intl Airport for 51% less than the average price by searching for these airlines.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Chicago to Bucharest Otopeni Intl Airport (average of $604). Flying from Chicago to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $1,134). 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

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Alternative routes for Chicago to Otopeni Intl

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Otopeni Intl flights
Midway to Otopeni Intl flights
St. Louis to Otopeni Intl flights

Top 10 airlines flying from Chicago to Otopeni Intl

Discover the top 10 airlines that operate flights from Chicago 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$385Average$753FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$503Average$601FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$517Average$603FlexibilityNo cancel feeOn-time78%
LOTCheapest$535Average$880FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$544Average$719FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$545Average$935FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$580Average$749FlexibilityNo cancel feeOn-time77%
KLMCheapest$582Average$987FlexibilityNo cancel feeOn-time75%
SWISSCheapest$587Average$753FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$588Average$905FlexibilityNo cancel feeOn-time69%

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