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Otopeni Intl

$447+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — OTP
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 June 30, 2025.

Round-trip from

$633
(FlightHub)

One-way from

$447
(Delta)

Popular in

May

Cheapest in

January

Average price

$1,088
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. 21% potential increase in price ($214 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 30, 2025.

This FlightHub deal was found by Cheapflights users on 6/27. 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 8/2411:25 amORD - OTP
1 stop12h 45mTurkish Airlines
Mon 9/89:45 pmOTP - ORD
1 stop19h 55mTurkish Airlines
Deal found 6/27$633
This KLM deal was found by Cheapflights users on 6/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/144:20 pmORD - OTP
1 stop15h 05mKLM
Thu 8/216:05 pmOTP - ORD
1 stop28h 05mKLM
Deal found 6/30$639
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:10 pmORD - OTP
2 stops46h 50mMultiple Airlines
Wed 10/89:30 amOTP - ORD
1 stop17h 47mMultiple Airlines
Deal found 6/30$642
This AirNGo deal was found by Cheapflights users on 6/28. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/157:15 pmORD - OTP
2 stops21h 40mScandinavian Airlines
Fri 8/299:50 pmOTP - ORD
1 stop26h 20mScandinavian Airlines
Deal found 6/28$646
This Lufthansa deal was found by Cheapflights users on 6/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/279:40 pmORD - OTP
1 stop19h 20mLufthansa
Mon 8/256:40 pmOTP - ORD
2 stops25h 50mLufthansa
Deal found 6/30$648
This SWISS deal was found by Cheapflights users on 6/30. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/242:20 pmORD - OTP
1 stop26h 45mSWISS
Sat 8/234:10 pmOTP - ORD
1 stop31h 45mSWISS
Deal found 6/30$650
This Delta deal was found by Cheapflights users on 6/27. 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 11/239:30 amMDW - OTP
2 stops19h 40mDelta
Tue 12/26:00 amOTP - MDW
2 stops20h 07mDelta
Deal found 6/27$653
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Sat 7/266:00 pmORD - OTP
1 stop16h 35mUnited Airlines
Sat 8/236:00 amOTP - ORD
2 stops20h 25mUnited Airlines
Deal found 6/30$656
This Air Canada deal was found by Cheapflights users on 6/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/133:35 pmORD - OTP
2 stops39h 45mAir Canada
Wed 9/246:00 amOTP - ORD
2 stops16h 55mAir Canada
Deal found 6/30$673

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 June 30, 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

Sun 8/24

11:25 am-8:10 am

1 stop12h 45m

Bucharest Otopeni Intl

Mon 9/8

9:45 pm-9:40 am

1 stop19h 55m

$633

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 8/14

4:20 pm-3:25 pm

1 stop15h 05m

Bucharest Otopeni Intl

Thu 8/21

6:05 pm-2:10 pm

1 stop28h 05m

$639

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/11

6:10 pm-1:00 am

2 stops46h 50m

Bucharest Otopeni Intl

Wed 10/8

9:30 am-7:17 pm

1 stop17h 47m

$642

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 8/15

7:15 pm-12:55 am

2 stops21h 40m

Bucharest Otopeni Intl

Fri 8/29

9:50 pm-4:10 pm

1 stop26h 20m

$646

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 7/27

9:40 pm-1:00 am

1 stop19h 20m

Bucharest Otopeni Intl

Mon 8/25

6:40 pm-12:30 pm

2 stops25h 50m

$648

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 7/24

2:20 pm-1:05 am

1 stop26h 45m

Bucharest Otopeni Intl

Sat 8/23

4:10 pm-3:55 pm

1 stop31h 45m

$650

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Sun 11/23

9:30 am-1:10 pm

2 stops19h 40m

Bucharest Otopeni Intl

Tue 12/2

6:00 am-6:07 pm

2 stops20h 07m

$653

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 7/26

6:00 pm-6:35 pm

1 stop16h 35m

Bucharest Otopeni Intl

Sat 8/23

6:00 am-6:25 pm

2 stops20h 25m

$656

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 9/13

3:35 pm-3:20 pm

2 stops39h 45m

Bucharest Otopeni Intl

Wed 9/24

6:00 am-2:55 pm

2 stops16h 55m

$673

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Tue 8/12

10:31 am-12:10 pm

2 stops17h 39m

$447

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 14 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 June 27, 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 June 30, 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 June 30, 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.

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 June 30, 2025.
See what other customers who have flown with Delta, KLM, and LOT 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.
Delta
8.0
Very good
7,973 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

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
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

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
1,365 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

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!
LOT
7.6
Good
1,088 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

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
8,852 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

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!
Turkish Airlines
7.3
Good
3,884 reviews
Delta
8.0
Very good
7,973 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

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 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 Turkish Airlines is currently your cheapest option to Bucharest Otopeni Intl Airport, with prices starting at $633. Additional round-trip tickets that might be worth considering are offered by KLM and Scandinavian Airlines, with the lowest prices starting at $639 and $646, respectively. You may be able to fly from Chicago to Bucharest Otopeni Intl Airport for 20% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Chicago to Bucharest Otopeni Intl Airport one-way?

    One-way options have recently been found by users for as low as $447 on Delta. Other airlines that offer cheap prices include ITA Airways from $474 and LOT from $588 one-way.

  • 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

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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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$385Average$762FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$510Average$616FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$517Average$638FlexibilityNo cancel feeOn-time78%
LOTCheapest$533Average$879FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$544Average$715FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$547Average$954FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$580Average$749FlexibilityNo cancel feeOn-time77%
KLMCheapest$582Average$1,053FlexibilityNo cancel feeOn-time75%
SWISSCheapest$587Average$759FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$588Average$905FlexibilityNo cancel feeOn-time69%

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