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Otopeni Intl

$355+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — OTP
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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1. Tell us where you want to go

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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 April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$587
(Scandinavian Airlines)

One-way from

$355
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$642
Provider with most accurate pricing for Chicago (CHI)-Bucharest Otopeni Intl flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Bucharest Otopeni Intl flights.
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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. 25% potential increase in price ($258 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 24, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 4/22. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/117:15 pmORD - OTP
1 stop17h 55mScandinavian Airlines
Mon 9/299:50 pmOTP - ORD
2 stops32h 12mScandinavian Airlines
Deal found 4/22$587
This Gurufare deal was found by Cheapflights users on 4/23. 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.
Wed 10/229:40 pmORD - OTP
1 stop17h 30mLOT
Thu 11/62:35 pmOTP - ORD
1 stop13h 25mLOT
Deal found 4/23$588
This FlightHub deal was found by Cheapflights users on 4/23. 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.
Fri 9/267:50 pmORD - OTP
1 stop16h 35mTurkish Airlines
Fri 10/103:55 pmOTP - ORD
1 stop25h 45mTurkish Airlines
Deal found 4/23$597
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Wed 5/75:40 pmORD - OTP
1 stop18h 40mAmerican Airlines
Fri 11/78:05 amOTP - ORD
1 stop16h 55mAmerican Airlines
Deal found 4/23$619
This Booking.com deal was found by Cheapflights users on 4/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2010:40 amORD - OTP
2 stops19h 05mMultiple Airlines
Mon 11/35:55 amOTP - ORD
2 stops16h 50mMultiple Airlines
Deal found 4/23$621
This Air Canada deal was found by Cheapflights users on 4/23. 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.
Thu 10/2310:40 amORD - OTP
2 stops23h 55mAir Canada
Tue 11/115:55 amOTP - ORD
2 stops36h 44mAir Canada
Deal found 4/23$623
This SWISS deal was found by Cheapflights users on 4/23. 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.
Fri 10/247:05 pmORD - OTP
1 stop22h 00mSWISS
Mon 11/106:30 amOTP - ORD
1 stop17h 45mSWISS
Deal found 4/23$629
This British Airways deal was found by Cheapflights users on 4/23. 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.
Wed 5/73:20 pmORD - OTP
2 stops15h 10mBritish Airways
Fri 11/78:05 amOTP - ORD
2 stops19h 15mBritish Airways
Deal found 4/23$632
This United Airlines deal was found by Cheapflights users on 4/23. 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 10/2510:25 pmORD - OTP
1 stop13h 05mUnited Airlines
Tue 11/1112:55 pmOTP - ORD
1 stop13h 30mUnited Airlines
Deal found 4/23$634
This Delta deal was found by Cheapflights users on 4/23. 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 10/212:00 pmORD - OTP
2 stops19h 20mDelta
Sat 11/86:00 amOTP - ORD
1 stop16h 30mDelta
Deal found 4/23$642
This Austrian Airlines deal was found by Cheapflights users on 4/23. 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 10/2212:50 pmORD - OTP
2 stops21h 15mAustrian Airlines
Wed 11/56:40 amOTP - ORD
1 stop15h 25mAustrian Airlines
Deal found 4/23$644
This Delta deal was found by Cheapflights users on 4/23. 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.
Thu 10/2310:35 amMDW - OTP
2 stops17h 35mDelta
Tue 11/116:00 amOTP - MDW
2 stops20h 36mDelta
Deal found 4/23$647

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 April 24, 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

Wed 5/7

5:40 pm-8:20 pm

1 stop18h 40m

Bucharest Otopeni Intl

Wed 11/5

8:05 am-6:45 pm

1 stop18h 40m

$619

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 5/7

3:20 pm-2:30 pm

2 stops15h 10m

Bucharest Otopeni Intl

Fri 11/7

8:05 am-7:20 pm

2 stops19h 15m

$632

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 6/7

10:05 am-8:35 pm

2 stops26h 30m

Bucharest Otopeni Intl

Wed 9/10

8:35 pm-4:10 pm

1 stop27h 35m

$640

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 4/30

4:30 pm-3:20 pm

1 stop14h 50m

Bucharest Otopeni Intl

Sat 5/17

4:05 pm-9:00 pm

1 stop12h 55m

$721

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 5/13

4:00 pm-1:00 pm

1 stop13h 00m

Bucharest Otopeni Intl

Tue 5/27

6:00 am-8:12 pm

2 stops22h 12m

$722

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 5/13

7:05 pm-3:20 pm

1 stop12h 15m

Bucharest Otopeni Intl

Tue 5/27

6:30 am-12:10 pm

1 stop13h 40m

$724

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 4/28

7:25 pm-11:40 am

2 stops32h 15m

Bucharest Otopeni Intl

Sat 5/10

4:40 am-9:00 pm

1 stop24h 20m

$746

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 5/8

9:40 pm-1:50 am

1 stop20h 10m

Bucharest Otopeni Intl

Wed 5/21

8:20 am-7:40 pm

1 stop19h 20m

$774

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 5/13

8:40 am-1:00 pm

2 stops20h 20m

Bucharest Otopeni Intl

Sat 5/24

6:00 am-8:12 pm

2 stops22h 12m

$782

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Mon 8/4

9:30 am-12:10 pm

2 stops18h 40m

Bucharest Otopeni Intl

Mon 9/15

7:00 am-6:36 pm

2 stops19h 36m

$802

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 27 results
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Compare providers for flights from Chicago to Otopeni Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Otopeni Intl in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Bucharest Otopeni Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Chicago-Bucharest Otopeni Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Chicago-Bucharest Otopeni Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Bucharest Otopeni Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Bucharest Otopeni Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 April 18, 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 $1,175). 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 April 24, 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.

Rainfall in Otopeni Intl by month

Plan your trip to Otopeni Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bucharest Otopeni Intl Airport ranges from 0.8 - 3.1 inches per month. June is typically the wettest month, when rainfall can reach 3.1 in. October is typically the driest time to visit Bucharest Otopeni Intl Airport when rainfall is around 0.8 in.

Temperature in Otopeni Intl by month

Plan your trip to Otopeni Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bucharest Otopeni Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 April 24, 2025.
To help decide which airline to fly from Chicago to Bucharest, see what other customers have to say about Delta, LOT and Austrian Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LOT
7.6
Good
1,066 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,582 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $587. Additional round-trip tickets that might be worth considering are offered by LOT and Turkish Airlines, with the lowest prices starting at $595 and $597, respectively. You may be able to fly from Chicago to Bucharest Otopeni Intl Airport for 23% 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 $430 on Air Serbia. Other airlines that offer cheap prices include SWISS from $468 and Turkish Airlines from $600 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 $1,175). 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 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
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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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$326Average$818FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$511Average$597FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$517Average$760FlexibilityNo cancel feeOn-time78%
British AirwaysCheapest$521Average$720FlexibilityNo cancel feeOn-time70%
LOTCheapest$532Average$951FlexibilityNo cancel feeOn-time81%
Air FranceCheapest$549Average$861FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$551Average$978FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$585Average$910FlexibilityNo cancel feeOn-time69%
DeltaCheapest$591Average$1,105FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$597Average$731FlexibilityNo cancel feeOn-time79%

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