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$342+ 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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — ORD
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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Cheap flight deals from Otopeni Intl to Illinois

Keep the following information in mind while searching for Otopeni Intl to Illinois flight deals. Data was last updated febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$579
(British Airways)

One-way from

$342
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$627
Provider with most accurate pricing for Bucharest (BUH)-Chicago (CHI) flight deals.
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From Bucharest Otopeni Intl to Illinois
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One-way flight from Bucharest Otopeni Intl to Illinois
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Highest demand for flights based on searches. 7% potential increase in price ($60 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 febrero 20, 2025.

This Gotogate deal was found by Cheapflights users on 2/19. 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. 9/136:30 pmOTP - ORD
1 stop25h 50mLOT
mié. 10/19:40 pmORD - OTP
1 stop32h 10mLOT
Deal found 2/19$578
This British Airways deal was found by Cheapflights users on 2/20. 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.
lun. 3/38:05 amOTP - ORD
1 stop18h 40mBritish Airways
lun. 3/177:30 pmORD - OTP
1 stop13h 05mBritish Airways
Deal found 2/20$579
This American Airlines deal was found by Cheapflights users on 2/18. 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.
lun. 3/38:05 amOTP - ORD
1 stop18h 40mAmerican Airlines
lun. 3/171:36 pmORD - OTP
2 stops18h 59mAmerican Airlines
Deal found 2/18$583
This KLM deal was found by Cheapflights users on 2/19. 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.
vie. 2/286:00 amOTP - ORD
1 stop16h 30mMultiple Airlines
lun. 3/106:20 pmORD - OTP
1 stop18h 50mMultiple Airlines
Deal found 2/19$622
This Delta deal was found by Cheapflights users on 2/20. 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.
lun. 3/36:00 amOTP - MDW
2 stops19h 43mDelta
lun. 3/176:42 pmMDW - OTP
2 stops19h 38mDelta
Deal found 2/20$626
This Delta deal was found by Cheapflights users on 2/20. 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.
lun. 3/36:00 amOTP - ORD
2 stops18h 13mDelta
lun. 3/1710:55 amORD - OTP
2 stops18h 45mDelta
Deal found 2/20$626
This Air France deal was found by Cheapflights users on 2/19. 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.
jue. 2/272:00 pmOTP - ORD
2 stops17h 49mKLM
dom. 3/95:25 pmORD - OTP
1 stop15h 00mKLM
Deal found 2/19$634
This United Airlines deal was found by Cheapflights users on 2/19. 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. 3/185:20 amOTP - ORD
2 stops20h 25mUnited Airlines
mié. 11/263:55 pmORD - OTP
1 stop13h 50mUnited Airlines
Deal found 2/19$643
This Air Canada deal was found by Cheapflights users on 2/19. 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.
vie. 3/216:30 amOTP - ORD
2 stops32h 27mAir Canada
vie. 4/412:59 pmORD - OTP
2 stops14h 56mAir Canada
Deal found 2/19$667
This Turkish Airlines deal was found by Cheapflights users on 2/19. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/39:50 pmOTP - ORD
1 stop20h 20mTurkish Airlines
mié. 3/1212:55 pmORD - OTP
1 stop24h 35mTurkish Airlines
Deal found 2/19$682
This Lufthansa deal was found by Cheapflights users on 2/19. 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.
lun. 3/102:35 pmOTP - ORD
1 stop13h 30mLufthansa
jue. 11/209:25 pmORD - OTP
1 stop13h 05mLufthansa
Deal found 2/19$690
This Air France deal was found by Cheapflights users on 2/19. 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.
jue. 2/278:35 amOTP - MDW
2 stops17h 36mMultiple Airlines
dom. 3/96:42 pmMDW - OTP
2 stops14h 08mMultiple Airlines
Deal found 2/19$705

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 febrero 20, 2025.

Fly from

Otopeni Intl

Fly to

Illinois

Route

Depart

Return

Price

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

lun. 3/3

8:05 am-6:45 pm

1 stop18h 40m

Chicago O'Hare Intl

lun. 3/17

5:36 pm-3:35 pm

2 stops14h 59m

$579

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

mié. 3/12

8:20 am-9:00 pm

1 stop19h 40m

Chicago O'Hare Intl

vie. 4/11

9:40 pm-5:45 pm

1 stop12h 05m

$581

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

mié. 3/5

8:05 am-7:45 pm

2 stops19h 40m

Chicago O'Hare Intl

vie. 5/30

4:29 pm-7:05 pm

2 stops18h 36m

$593

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

lun. 3/3

6:00 am-5:43 pm

2 stops19h 43m

Chicago Midway

lun. 3/17

6:42 pm-9:20 pm

2 stops19h 38m

$626

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

lun. 3/3

6:00 am-4:13 pm

2 stops18h 13m

Chicago O'Hare Intl

lun. 3/17

10:55 am-12:40 pm

2 stops18h 45m

$626

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

mié. 6/4

6:00 am-7:30 pm

2 stops21h 30m

Chicago O'Hare Intl

jue. 7/10

10:45 am-1:00 pm

2 stops18h 15m

$647

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

sáb. 4/12

4:05 pm-9:00 pm

1 stop12h 55m

Chicago O'Hare Intl

sáb. 8/9

11:20 pm-3:20 pm

1 stop32h 00m

$648

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

jue. 4/24

6:00 am-7:55 pm

1 stop21h 55m

Chicago O'Hare Intl

lun. 5/5

3:35 pm-6:35 pm

1 stop19h 00m

$663

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

sáb. 6/7

6:05 pm-2:10 pm

1 stop28h 05m

Chicago O'Hare Intl

jue. 7/10

4:20 pm-1:00 am

1 stop24h 40m

$668

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

mié. 3/5

8:05 am-2:45 pm

1 stop14h 40m

Chicago O'Hare Intl

vie. 5/30

9:15 pm-11:50 pm

1 stop18h 35m

$701

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 28 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 $321). 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 febrero 20, 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 febrero 20, 2025.
Read reviews from past customers who have flown Emirates, Delta and KLM 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
3,279 reviews

Entertainment

8.2

Food

7.9

Crew

8.3

Overall

8.1

Comfort

8.0

Boarding

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

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
3,279 reviews
Emirates
8.1
Very good
3,279 reviews

Entertainment

8.2

Food

7.9

Crew

8.3

Overall

8.1

Comfort

8.0

Boarding

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

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
8,220 reviews
Emirates
8.1
Very good
3,279 reviews

Entertainment

8.2

Food

7.9

Crew

8.3

Overall

8.1

Comfort

8.0

Boarding

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

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
1,333 reviews
Emirates
8.1
Very good
3,279 reviews

Entertainment

8.2

Food

7.9

Crew

8.3

Overall

8.1

Comfort

8.0

Boarding

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

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
1,080 reviews
Emirates
8.1
Very good
3,279 reviews

Entertainment

8.2

Food

7.9

Crew

8.3

Overall

8.1

Comfort

8.0

Boarding

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

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
773 reviews
Emirates
8.1
Very good
3,279 reviews

Entertainment

8.2

Food

7.9

Crew

8.3

Overall

8.1

Comfort

8.0

Boarding

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

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 Air Serbia. According to our data, you can fly for as low as $344. Users have also found prices from $625 and $631 on Delta and SWISS, 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 $321). 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 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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$548Average$642FlexibilityNo cancel feeOn-time71%
KLMCheapest$570Average$697FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$571Average$815FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$581Average$654FlexibilityNo cancel feeOn-time77%
LOTCheapest$583Average$686FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$592Average$844FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$627Average$719FlexibilityNo cancel feeOn-time70%
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