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Otopeni Intl

$200+ 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — OTP
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 51 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 September 17, 2025.

Round-trip from

$530
(LOT)

One-way from

$200
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$719
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 ($233 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This LOT deal was found by Cheapflights users on 9/15. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/29:55 pmORD - OTP
1 stop17h 20mLOT
Tue 12/168:20 amOTP - ORD
1 stop19h 40mLOT
Deal found 9/15$530
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 12/36:50 pmORD - OTP
1 stop13h 00mMultiple Airlines
Wed 12/171:05 pmOTP - ORD
1 stop13h 20mMultiple Airlines
Deal found 9/15$532
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 11/41:00 pmORD - OTP
2 stops15h 30mMultiple Airlines
Tue 11/186:30 amOTP - ORD
1 stop17h 50mMultiple Airlines
Deal found 9/15$533
This oojo deal was found by Cheapflights users on 9/15. 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.
Thu 10/99:40 pmORD - OTP
1 stop12h 05mLOT
Mon 11/248:20 amOTP - ORD
2 stops19h 35mLOT
Deal found 9/15$534
This CrystalTravel deal was found by Cheapflights users on 9/15. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/135:10 pmORD - OTP
1 stop24h 40mLOT
Mon 10/202:35 pmOTP - ORD
1 stop13h 05mLOT
Deal found 9/15$535
This British Airways deal was found by Cheapflights users on 9/15. 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 11/305:10 pmORD - OTP
1 stop18h 25mBritish Airways
Wed 12/178:05 amOTP - ORD
1 stop18h 40mBritish Airways
Deal found 9/15$541
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 12/14:20 pmORD - OTP
1 stop12h 10mMultiple Airlines
Mon 12/151:05 pmOTP - ORD
1 stop13h 20mMultiple Airlines
Deal found 9/15$544
This LOT deal was found by Cheapflights users on 9/15. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/79:40 pmORD - OTP
1 stop32h 10mLOT
Tue 11/252:35 pmOTP - ORD
1 stop13h 25mLOT
Deal found 9/15$546
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 11/299:55 pmORD - OTP
1 stop11h 45mLOT
Tue 12/168:20 amOTP - ORD
1 stop19h 40mLOT
Deal found 9/15$547
This Mytrip deal was found by Cheapflights users on 9/16. 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 10/317:50 pmORD - OTP
1 stop21h 40mMultiple Airlines
Fri 11/75:55 amOTP - ORD
2 stops17h 00mMultiple Airlines
Deal found 9/16$548
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 12/26:50 pmORD - OTP
1 stop12h 55mMultiple Airlines
Mon 12/151:05 pmOTP - ORD
1 stop13h 20mMultiple Airlines
Deal found 9/15$549
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:50 pmMDW - OTP
2 stops30h 25mMultiple Airlines
Tue 12/167:10 amOTP - MDW
2 stops24h 22mMultiple Airlines
Deal found 9/15$592

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 September 17, 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 12/1

9:45 pm-11:00 pm

1 stop17h 15m

Bucharest Otopeni Intl

Fri 12/19

8:00 am-6:45 pm

1 stop18h 45m

$541

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 12/2

5:10 pm-10:55 pm

1 stop21h 45m

Bucharest Otopeni Intl

Thu 12/18

8:00 am-6:45 pm

1 stop18h 45m

$541

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 11/30

5:10 pm-2:55 pm

1 stop13h 45m

Bucharest Otopeni Intl

Tue 12/16

8:00 am-6:45 pm

1 stop18h 45m

$541

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 10/31

7:50 pm-12:30 am

1 stop21h 40m

Bucharest Otopeni Intl

Fri 11/7

5:55 am-2:55 pm

2 stops17h 00m

$548

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 11/10

6:50 pm-3:50 pm

1 stop13h 00m

Bucharest Otopeni Intl

Tue 12/2

5:55 am-2:55 pm

2 stops17h 00m

$553

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 12/1

5:10 pm-11:00 pm

1 stop21h 50m

Bucharest Otopeni Intl

Wed 12/17

8:05 am-6:45 pm

1 stop18h 40m

$553

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 11/30

5:10 pm-2:55 pm

1 stop13h 45m

Bucharest Otopeni Intl

Sun 12/14

7:35 am-1:50 pm

1 stop14h 15m

$556

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 11/30

5:10 pm-2:55 pm

1 stop13h 45m

Bucharest Otopeni Intl

Sat 12/13

8:05 am-6:45 pm

1 stop18h 40m

$556

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 12/3

1:05 pm-2:00 pm

2 stops16h 55m

Bucharest Otopeni Intl

Thu 12/18

5:50 am-8:05 pm

1 stop22h 15m

$560

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 11/4

10:40 am-1:55 pm

2 stops19h 15m

Bucharest Otopeni Intl

Tue 11/18

5:55 am-2:55 pm

2 stops17h 00m

$564

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 37 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 September 12, 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 $1,132). 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 September 17, 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 September 17, 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
1,386 reviews

Overall

7.8

Boarding

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,386 reviews
KLM
7.8
Good
1,386 reviews

Overall

7.8

Boarding

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
LOT
7.6
Good
1,117 reviews
KLM
7.8
Good
1,386 reviews

Overall

7.8

Boarding

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
United Airlines
7.4
Good
8,926 reviews
KLM
7.8
Good
1,386 reviews

Overall

7.8

Boarding

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Turkish Airlines
7.3
Good
3,965 reviews
KLM
7.8
Good
1,386 reviews

Overall

7.8

Boarding

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Lufthansa
6.8
Okay
7,409 reviews
KLM
7.8
Good
1,386 reviews

Overall

7.8

Boarding

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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.

  • How long is the flight from Chicago to Bucharest Otopeni Intl Airport?

    Departing from Chicago to Bucharest Otopeni Intl Airport will take you 17h 15m. The distance between Chicago and Bucharest Otopeni Intl Airport is about 5198 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 50% 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 $1,132). 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$385Average$728FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$503Average$594FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$517Average$638FlexibilityNo cancel feeOn-time78%
LufthansaCheapest$534Average$893FlexibilityNo cancel feeOn-time76%
LOTCheapest$538Average$892FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$544Average$728FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$580Average$749FlexibilityNo cancel feeOn-time77%
KLMCheapest$582Average$987FlexibilityNo cancel feeOn-time75%
SWISSCheapest$587Average$755FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$588Average$882FlexibilityNo cancel feeOn-time69%

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