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$437+ Cheap flights from Otopeni Intl (OTP) to Illinois

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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — ORD
jan 26 — fev 21
dom 1/26
dom 2/2
1 adult, Economy
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Cheap flight deals from Otopeni Intl to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Otopeni Intl (OTP) to Illinois (USIL). 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 janeiro 21, 2025.

Round-trip from

$537
(Gotogate)

One-way from

$437
(Kiwi.com)
From Bucharest Otopeni Intl to Illinois
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One-way flight from Bucharest Otopeni Intl to Illinois
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Find flight deals from Otopeni Intl to Illinois

Cheapest flights from Otopeni Intl to Illinois
Explore the most affordable flight options available from Otopeni Intl to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on janeiro 21, 2025.

This Gotogate deal was found by Cheapflights users on 1/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 3/14:40 pmOTP - ORD
1 stop31h 35mSWISS
dom 4/66:35 pmORD - OTP
1 stop22h 30mSWISS
Deal found 1/20$537
This United Airlines deal was found by Cheapflights users on 1/20. 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.
ter 2/115:20 amOTP - ORD
2 stops37h 34mUnited Airlines
sex 2/2810:35 pmORD - OTP
1 stop17h 55mUnited Airlines
Deal found 1/20$539
This Flighttix deal was found by Cheapflights users on 1/21. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 2/136:00 amOTP - ORD
1 stop20h 25mMultiple Airlines
qua 2/264:00 pmORD - OTP
2 stops18h 25mMultiple Airlines
Deal found 1/21$554
This Gotogate deal was found by Cheapflights users on 1/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 5/216:05 amOTP - ORD
2 stops19h 19mAir Canada
qua 5/2811:55 amORD - OTP
2 stops17h 20mAir Canada
Deal found 1/20$555
This British Airways deal was found by Cheapflights users on 1/20. 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.
qui 2/138:05 amOTP - ORD
1 stop18h 40mBritish Airways
qua 2/265:00 pmORD - OTP
1 stop14h 50mBritish Airways
Deal found 1/20$561
This American Airlines deal was found by Cheapflights users on 1/20. 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.
seg 6/168:25 amOTP - ORD
2 stops20h 15mAmerican Airlines
ter 9/162:55 pmORD - OTP
2 stops16h 30mAmerican Airlines
Deal found 1/20$574
This Lufthansa deal was found by Cheapflights users on 1/20. 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.
ter 2/117:20 pmOTP - ORD
1 stop26h 05mLufthansa
sex 2/2810:35 pmORD - OTP
1 stop17h 55mLufthansa
Deal found 1/20$579
This Delta deal was found by Cheapflights users on 1/20. 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.
qui 2/136:00 amOTP - MDW
2 stops20h 11mDelta
qua 2/2610:57 amMDW - OTP
2 stops17h 43mDelta
Deal found 1/20$598
This Air France deal was found by Cheapflights users on 1/20. 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.
seg 6/166:30 amOTP - ORD
1 stop16h 30mAir France
ter 9/165:15 pmORD - OTP
1 stop22h 40mAir France
Deal found 1/20$598
This Air France deal was found by Cheapflights users on 1/20. 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.
qui 2/138:35 amOTP - MDW
2 stops17h 36mKLM
qua 2/262:08 pmMDW - OTP
2 stops15h 02mKLM
Deal found 1/20$604
This Delta deal was found by Cheapflights users on 1/20. 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.
ter 6/177:00 amOTP - ORD
2 stops17h 50mDelta
qua 9/1711:00 amORD - OTP
2 stops17h 10mDelta
Deal found 1/20$605
This Austrian Airlines deal was found by Cheapflights users on 1/21. 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.
sáb 11/16:35 pmOTP - ORD
2 stops50h 20mAustrian Airlines
dom 11/164:10 pmORD - OTP
2 stops23h 40mAustrian Airlines
Deal found 1/21$612

Find flights from Otopeni Intl to Illinois within your budget

Customize your flight search to find flights from Otopeni Intl to Illinois 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 janeiro 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

sáb 3/1

4:40 pm-4:15 pm

1 stop31h 35m

Chicago O'Hare Intl

dom 4/6

6:35 pm-1:05 am

1 stop22h 30m

$537

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

ter 2/11

5:20 am-10:54 am

2 stops37h 34m

Chicago O'Hare Intl

sex 2/28

10:35 pm-12:30 am

1 stop17h 55m

$539

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

qua 5/21

6:05 am-5:24 pm

2 stops19h 19m

Chicago O'Hare Intl

qua 5/28

11:55 am-1:15 pm

2 stops17h 20m

$555

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

qua 5/21

6:30 am-12:10 pm

1 stop13h 40m

Chicago O'Hare Intl

qua 5/28

6:25 pm-5:55 pm

1 stop15h 30m

$558

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

qui 2/13

8:05 am-6:45 pm

1 stop18h 40m

Chicago O'Hare Intl

qua 2/26

5:00 pm-3:50 pm

1 stop14h 50m

$561

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

seg 6/16

8:25 am-8:40 pm

2 stops20h 15m

Chicago O'Hare Intl

ter 9/16

2:55 pm-3:25 pm

2 stops16h 30m

$574

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

ter 2/11

7:20 pm-1:25 pm

1 stop26h 05m

Chicago O'Hare Intl

sex 2/28

10:35 pm-12:30 am

1 stop17h 55m

$579

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

qui 2/13

6:00 am-6:11 pm

2 stops20h 11m

Chicago Midway

qua 2/26

10:57 am-12:40 pm

2 stops17h 43m

$598

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

seg 6/16

6:30 am-3:00 pm

1 stop16h 30m

Chicago O'Hare Intl

ter 9/16

5:15 pm-11:55 pm

1 stop22h 40m

$598

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

qui 2/13

8:35 am-6:11 pm

2 stops17h 36m

Chicago Midway

qua 2/26

2:08 pm-1:10 pm

2 stops15h 02m

$604

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 27 results
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Best time to book a flight from Otopeni Intl to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Otopeni Intl 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.

Travel insights for flights from Otopeni Intl to Illinois

Get recent, data-driven insights about flights from Otopeni Intl to Illinois including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Illinois (average of $245). Flying from Bucharest Otopeni Intl Airport to Illinois in March is currently the most expensive (average of $320). 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 OTP to IL?

Find hourly flight availability from Otopeni Intl to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated janeiro 21, 2025.

When flying from Bucharest Otopeni Intl Airport to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated janeiro 21, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines and Lufthansa from Bucharest to Illinois. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,356 reviews

Entertainment

8.2

Overall

8.1

Boarding

8.1

Food

7.9

Comfort

8.0

Crew

8.3

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Emirates
8.1
Very good
3,356 reviews
Emirates
8.1
Very good
3,356 reviews

Entertainment

8.2

Overall

8.1

Boarding

8.1

Food

7.9

Comfort

8.0

Crew

8.3

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Delta
8.0
Very good
8,521 reviews
Emirates
8.1
Very good
3,356 reviews

Entertainment

8.2

Overall

8.1

Boarding

8.1

Food

7.9

Comfort

8.0

Crew

8.3

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

KLM
7.8
Good
1,341 reviews
Emirates
8.1
Very good
3,356 reviews

Entertainment

8.2

Overall

8.1

Boarding

8.1

Food

7.9

Comfort

8.0

Crew

8.3

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

LOT
7.6
Good
1,117 reviews
Emirates
8.1
Very good
3,356 reviews

Entertainment

8.2

Overall

8.1

Boarding

8.1

Food

7.9

Comfort

8.0

Crew

8.3

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Austrian Airlines
7.6
Good
786 reviews
Emirates
8.1
Very good
3,356 reviews

Entertainment

8.2

Overall

8.1

Boarding

8.1

Food

7.9

Comfort

8.0

Crew

8.3

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Related info for your journey

Find useful and relevant information for your journey from Otopeni Intl to Illinois. 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 to fly from Bucharest Otopeni Intl Airport to Illinois one-way?

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as $657. Users have also found prices from $701 and $718 on United Airlines and Lufthansa, respectively.

  • What are the most popular routes from Bucharest Otopeni Intl Airport to Illinois?

    The most popular route from Bucharest Otopeni Intl Airport to Illinois is Bucharest Otopeni Intl - Chicago O'Hare Intl. You may also consider Bucharest Otopeni Intl - Chicago Midway or Bucharest Otopeni Intl - Lambert-St Louis.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Illinois (average of $245). Flying from Bucharest Otopeni Intl Airport to Illinois in March is currently the most expensive (average of $320). 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.

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Alternative routes for Otopeni Intl to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Otopeni Intl to Illinois

Discover the top 7 airlines that operate flights from Otopeni Intl to Illinois. 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 janeiro 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$493Average$759FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$560Average$705FlexibilityNo cancel feeOn-time70%
LOTCheapest$577Average$653FlexibilityNo cancel feeOn-time81%
Air FranceCheapest$581Average$654FlexibilityNo cancel feeOn-time77%
KLMCheapest$586Average$700FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$593Average$760FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$594Average$821FlexibilityNo cancel feeOn-time69%
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