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Otopeni Intl

$468+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — OTP
ene. 7 — ene. 141
mié. 1/7
mié. 1/14
1 adult, Economy
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Cheap 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 diciembre 8, 2025.

This Booking.com deal was found by Cheapflights users on 12/7. 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.
lun. 12/89:50 pmORD - OTP
1 stop12h 45mLufthansa
lun. 12/155:55 amOTP - ORD
1 stop15h 15mLufthansa
Deal found 12/7$556
This FlightHub deal was found by Cheapflights users on 12/7. 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.
lun. 12/89:50 pmORD - OTP
1 stop19h 15mLufthansa
dom. 12/142:50 pmOTP - ORD
1 stop13h 15mLufthansa
Deal found 12/7$558
This Delta deal was found by Cheapflights users on 12/7. 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.
lun. 12/87:00 amORD - OTP
2 stops21h 05mDelta
lun. 12/156:00 amOTP - ORD
1 stop16h 20mDelta
Deal found 12/7$568
This Air France deal was found by Cheapflights users on 12/6. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/85:20 pmORD - OTP
1 stop21h 30mAir France
mié. 12/178:40 amOTP - ORD
1 stop14h 30mAir France
Deal found 12/6$569
This KAYAK deal was found by Cheapflights users on 12/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/303:45 pmORD - OTP
2 stops48h 40mSWISS
mar. 1/136:30 amOTP - ORD
1 stop14h 15mSWISS
Deal found 12/8$575
This United Airlines deal was found by Cheapflights users on 12/7. 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.
lun. 12/292:00 pmORD - OTP
2 stops20h 35mUnited Airlines
lun. 1/125:55 amOTP - ORD
2 stops22h 08mUnited Airlines
Deal found 12/7$580
This Iberia deal was found by Cheapflights users on 12/7. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/82:42 pmORD - OTP
2 stops16h 48mMultiple Airlines
dom. 12/147:35 amOTP - ORD
2 stops20h 10mMultiple Airlines
Deal found 12/7$582
This United Airlines deal was found by Cheapflights users on 12/8. 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.
mar. 12/301:24 pmORD - OTP
2 stops16h 31mUnited Airlines
mar. 1/135:55 amOTP - ORD
2 stops45h 50mUnited Airlines
Deal found 12/8$587
This Travelocity deal was found by Cheapflights users on 12/7. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/296:10 pmORD - OTP
2 stops22h 20mSWISS
lun. 1/126:30 amOTP - ORD
1 stop14h 15mSWISS
Deal found 12/7$588
This KAYAK deal was found by Cheapflights users on 12/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/86:50 pmORD - OTP
1 stop21h 40mSWISS
mié. 12/176:30 amOTP - ORD
2 stops39h 15mSWISS
Deal found 12/6$598
This Kiwi.com deal was found by Cheapflights users on 12/7. 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.
dom. 12/147:44 amMDW - OTP
2 stops45h 11mMultiple Airlines
lun. 12/299:35 amOTP - MDW
1 stop35h 26mMultiple Airlines
Deal found 12/7$1,357
This Delta deal was found by Cheapflights users on 12/7. 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.
dom. 12/1412:50 pmMDW - OTP
2 stops20h 20mDelta
lun. 12/296:00 amOTP - MDW
2 stops18h 20mDelta
Deal found 12/7$2,150

Find 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 diciembre 8, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$521
(Kiwi.com)

One-way from

$468
(Delta)

Popular in

May

Cheapest in

January

Average price

$926

Good round-trip deal

$827 or less
Provider with most accurate pricing for Chicago (CHI)-Bucharest Otopeni Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Bucharest Otopeni Intl flights.
Search Deals
From Chicago (CHI) to Bucharest Otopeni Intl
Search Deals
One-way flight from Chicago (CHI) to Bucharest Otopeni Intl
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($243 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Bucharest Otopeni Intl.
Search Deals

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 diciembre 8, 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

mié. 2/11

9:55 pm-1:45 am

1 stop19h 50m

Bucharest Otopeni Intl

dom. 2/15

2:35 pm-8:00 pm

1 stop13h 25m

$527

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mar. 2/10

6:50 pm-3:45 pm

1 stop12h 55m

Bucharest Otopeni Intl

mar. 2/24

5:55 am-2:55 pm

2 stops17h 00m

$539

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mié. 1/21

9:50 pm-1:05 am

1 stop19h 15m

Bucharest Otopeni Intl

mié. 1/28

6:05 am-8:10 pm

2 stops22h 05m

$542

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

jue. 1/8

9:50 pm-1:05 am

1 stop19h 15m

Bucharest Otopeni Intl

jue. 1/22

5:50 am-8:10 pm

2 stops22h 20m

$548

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

lun. 1/19

3:55 pm-3:50 pm

2 stops15h 55m

Bucharest Otopeni Intl

mar. 2/3

5:55 am-2:55 pm

2 stops17h 00m

$550

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

lun. 1/19

6:50 pm-3:50 pm

1 stop13h 00m

Bucharest Otopeni Intl

mar. 2/3

5:55 am-2:55 pm

2 stops17h 00m

$551

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

vie. 1/9

4:20 pm-12:30 pm

1 stop12h 10m

Bucharest Otopeni Intl

vie. 1/23

6:30 am-4:20 pm

1 stop17h 50m

$553

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

sáb. 1/24

9:50 pm-1:05 am

1 stop19h 15m

Bucharest Otopeni Intl

sáb. 2/7

5:55 am-1:10 pm

1 stop15h 15m

$561

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mar. 1/27

2:14 pm-10:55 pm

2 stops24h 41m

Bucharest Otopeni Intl

mar. 2/10

8:00 am-8:04 pm

2 stops20h 04m

$562

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mié. 3/4

2:59 pm-11:30 pm

2 stops24h 31m

Bucharest Otopeni Intl

mié. 3/11

3:50 pm-2:50 pm

1 stop30h 00m

$562

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 31 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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago-Bucharest Otopeni Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 5, 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 84 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, April is the cheapest month in which you can book a flight from Chicago to Bucharest Otopeni Intl Airport (average of $333). Flying from Chicago to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $752). 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 diciembre 8, 2025.

It’s typically best to fly out from Chicago to Bucharest Otopeni Intl Airport in the morning. Doing so could potentially save you 30% on the flight price compared to flying in the afternoon, 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 Sunday mornings when fares are most often at their lowest. Saturday 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 59% 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.

London (LHR) is the most affordable 1-stop option, with an average round-trip price of $2,989.

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: 12h 05m.

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 diciembre 8, 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
7.7
Good
1,431 reviews

Comfort

7.6

Overall

7.7

Crew

8.3

Boarding

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,431 reviews
KLM
7.7
Good
1,431 reviews

Comfort

7.6

Overall

7.7

Crew

8.3

Boarding

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
LOT
7.5
Good
1,143 reviews
KLM
7.7
Good
1,431 reviews

Comfort

7.6

Overall

7.7

Crew

8.3

Boarding

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
United Airlines
7.4
Good
9,084 reviews
KLM
7.7
Good
1,431 reviews

Comfort

7.6

Overall

7.7

Crew

8.3

Boarding

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Turkish Airlines
7.3
Good
4,084 reviews
KLM
7.7
Good
1,431 reviews

Comfort

7.6

Overall

7.7

Crew

8.3

Boarding

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Lufthansa
6.8
Okay
7,618 reviews
KLM
7.7
Good
1,431 reviews

Comfort

7.6

Overall

7.7

Crew

8.3

Boarding

7.8

Entertainment

7.1

Food

7.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 19m. The distance between Chicago and Bucharest Otopeni Intl Airport is about 5203 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 $326. Additional round-trip tickets that might be worth considering are offered by Turkish Airlines and Austrian Airlines, with the lowest prices starting at $502 and $517, respectively. You may be able to fly from Chicago to Bucharest Otopeni Intl Airport for 58% 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 $287 on Turkish Airlines. Other airlines that offer cheap prices include Lufthansa from $394 and Austrian Airlines from $419 one-way.

  • What are the cheapest flights from Chicago to Bucharest Otopeni Intl Airport?

    Looking at all options, your cheapest flight can be booked for $471. While the most popular route (Chicago O'Hare Intl - Bucharest Otopeni Intl) can be booked for $510 on average, our data indicates $856 when flying from Chicago to Bucharest Otopeni Intl Airport.

  • 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, April is the cheapest month in which you can book a flight from Chicago to Bucharest Otopeni Intl Airport (average of $333). Flying from Chicago to Bucharest Otopeni Intl Airport in June is currently the most expensive (average of $752). 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 diciembre 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$385Average$715FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$503Average$591FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$517Average$732FlexibilityNo cancel feeOn-time78%
LOTCheapest$538Average$890FlexibilityNo cancel feeOn-time81%
KLMCheapest$568Average$894FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$570Average$871FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$575Average$794FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$595Average$903FlexibilityNo cancel feeOn-time69%
SWISSCheapest$597Average$806FlexibilityNo cancel feeOn-time79%
Air FranceCheapest$618Average$749FlexibilityNo cancel feeOn-time77%

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