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$234+ Cheap flights from Illinois to Romania

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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OTP
يونيو 18 — يونيو 251
خ 6/18
خ 6/25
1 adult, Economy
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Cheap flight deals from Illinois to Romania

Cheapest flights from Illinois to Romania
Explore the most affordable flight options available from Illinois to Romania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on مايو 19, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/17. 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.
ح 10/189:50 pm
ORD
-
OTP
1 stop17h 25m
LOT
ح 11/12:35 pm
OTP
-
ORD
1 stop13h 25m
LOT
Deal found 5/17$676
This Kiwi.com deal was found by Cheapflights users on 5/14. 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.
ث 10/209:50 pm
ORD
-
OTP
1 stop11h 55m
LOT
ر 11/112:35 pm
OTP
-
ORD
1 stop13h 25m
LOT
Deal found 5/14$677
This Air Serbia deal was found by Cheapflights users on 5/14. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
س 9/1211:20 pm
ORD
-
OTP
1 stop32h 00m
Air Serbia
س 9/264:30 am
OTP
-
ORD
1 stop24h 45m
Air Serbia
Deal found 5/14$678
This Air Serbia deal was found by Cheapflights users on 5/14. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ن 8/174:40 pm
ORD
-
OTP
1 stop14h 40m
Air Serbia
ن 9/144:30 am
OTP
-
ORD
1 stop18h 00m
Air Serbia
Deal found 5/14$680
This Cheapflightsfares deal was found by Cheapflights users on 5/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ر 10/219:50 pm
ORD
-
OTP
1 stop20h 00m
LOT
س 11/145:35 am
OTP
-
ORD
1 stop22h 25m
LOT
Deal found 5/14$683
This Justfly.com deal was found by Cheapflights users on 5/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ث 10/209:50 pm
ORD
-
OTP
1 stop11h 55m
LOT
ج 11/132:35 pm
OTP
-
ORD
1 stop13h 25m
LOT
Deal found 5/14$695
This Air Serbia deal was found by Cheapflights users on 5/18. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
س 8/1511:20 pm
ORD
-
OTP
1 stop19h 45m
Air Serbia
ن 9/144:30 am
OTP
-
ORD
1 stop18h 00m
Air Serbia
Deal found 5/18$701
This Air Serbia deal was found by Cheapflights users on 5/15. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ر 8/124:40 pm
ORD
-
OTP
1 stop26h 25m
Air Serbia
س 9/54:05 pm
OTP
-
ORD
1 stop13h 10m
Air Serbia
Deal found 5/15$702
This Air Serbia deal was found by Cheapflights users on 5/17. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
س 8/1511:20 pm
ORD
-
OTP
1 stop19h 45m
Air Serbia
ن 8/314:30 am
OTP
-
ORD
1 stop18h 00m
Air Serbia
Deal found 5/17$705
This Air Serbia deal was found by Cheapflights users on 5/18. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ن 8/174:40 pm
ORD
-
OTP
1 stop14h 40m
Air Serbia
ح 9/134:05 pm
OTP
-
ORD
1 stop30h 25m
Air Serbia
Deal found 5/18$706
This Gotogate deal was found by Cheapflights users on 5/14. 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.
ر 11/116:50 pm
ORD
-
OTP
1 stop13h 00m
Multiple Airlines
ر 11/256:30 am
OTP
-
ORD
2 stops21h 40m
Multiple Airlines
Deal found 5/14$707
This Trip.com deal was found by Cheapflights users on 5/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
س 10/179:50 pm
ORD
-
OTP
1 stop17h 25m
LOT
س 10/316:25 pm
OTP
-
ORD
1 stop33h 35m
LOT
Deal found 5/16$710

Find flight deals from Illinois to Romania

Keep the following information in mind while searching for Illinois to Romania flight deals. Data was last updated مايو 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$676
(Kiwi.com)

One-way from

$234
(Lufthansa)

Popular in

May

Cheapest in

October

Average price

$1,142

Good round-trip deal

$857 or less

Good one-way deal

$444 or less
Provider with most accurate pricing for Chicago (CHI)-Bucharest (BUH) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Bucharest (BUH) flights.
Search Deals
From Illinois to Romania
Search Deals
One-way flight from Illinois to Romania
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($140 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Romania.
Search Deals
Price to beat on a one-way flight from Illinois to Romania.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Romania 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 مايو 19, 2026.
Use the filters below to find and compare flights from Illinois to Romania that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

ر 8/12

10:30 am-1:40 pm

2 stops19h 10m

Bucharest Otopeni Intl

ر 8/26

7:05 am-2:30 pm

1 stop15h 25m

$734

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

ن 11/9

11:30 am-2:10 pm

2 stops18h 40m

Bucharest Otopeni Intl

ر 11/18

6:00 am-2:25 pm

1 stop16h 25m

$734

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

س 8/15

12:29 pm-1:40 pm

2 stops17h 11m

Bucharest Otopeni Intl

ث 8/25

7:05 am-9:50 pm

2 stops22h 45m

$771

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

ر 8/26

1:27 pm-1:40 pm

2 stops16h 13m

Bucharest Otopeni Intl

ر 9/9

7:05 am-9:46 pm

2 stops22h 41m

$796

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

ر 8/26

1:27 pm-1:40 pm

2 stops16h 13m

Bucharest Otopeni Intl

خ 9/17

7:05 am-6:31 pm

2 stops19h 26m

$796

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

ر 8/19

1:27 pm-1:40 pm

2 stops16h 13m

Bucharest Otopeni Intl

ر 9/2

7:05 am-6:05 pm

2 stops19h 00m

$796

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

ر 8/19

2:12 pm-1:40 pm

2 stops15h 28m

Bucharest Otopeni Intl

ر 9/2

7:05 am-6:07 pm

2 stops19h 02m

$796
Quickest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

ح 8/9

7:25 pm-5:40 pm

2 stops14h 15m

Bucharest Otopeni Intl

س 8/22

8:40 am-3:10 pm

1 stop14h 30m

$801

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

س 8/1

9:40 pm-1:10 pm

2 stops31h 30m

Cluj Napoca

ح 8/23

1:50 pm-2:00 pm

1 stop32h 10m

$808

ChicagoTimisoara

ORD - TSR

ORDTSR

Chicago O'Hare Intl

خ 9/3

8:10 pm-9:25 am

1 stop29h 15m

Timisoara

ث 9/29

10:15 am-9:40 am

1 stop31h 25m

$811

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/18

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Illinois to Romania

Have a flexible travel schedule? Discover the best time to fly to Romania from Illinois 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 Illinois to Romania

What is the cheapest month to book a flight from Illinois to Romania?

Currently, May is the cheapest month in which you can book a flight from Illinois to Romania (average of $280). Flying from Illinois to Romania in June is currently the most expensive (average of $1,265). 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.

How far ahead should I book a flight from Illinois to Romania?

To ensure you get the cheapest price possible for a flight from Illinois to Romania, you should look to book at least 67 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Romania. 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 Illinois to Romania?

    For as low as $734, Delta can have you in Romania from Illinois in 19h 10m. Airlines will cover a distance of 5198 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Illinois to Romania one-way?

    For one-way options, check prices for Lufthansa. According to our data, you can fly for as low as $233. Users have also found prices from $251 and $270 on Austrian Airlines and KLM, respectively.

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

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

  • How can I find direct flights from Illinois to Romania?

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

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

    Yes. Cheapflights offers flight deals from Illinois to Romania 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 Illinois to Romania?

    Currently, May is the cheapest month in which you can book a flight from Illinois to Romania (average of $280). Flying from Illinois to Romania in June is currently the most expensive (average of $1,265). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Romania

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Heathrow flights
John F Kennedy Intl to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Charles de Gaulle flights
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LaGuardia to Heathrow flights
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Newark to Lisbon flights
John F Kennedy Intl to Dublin flights
Newark to Barcelona-El Prat flights
John F Kennedy Intl to Orly flights
John F Kennedy Intl to Madrid flights
Newark to Dublin flights
John F Kennedy Intl to Athens flights
Baltimore to Heathrow flights
Los Angeles to Charles de Gaulle flights
Los Angeles to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Lisbon flights
San Francisco to Heathrow flights
Miami to Madrid flights
Newark to Orly flights
Newark to Malpensa flights
O'Hare Intl to Heathrow flights
John F Kennedy Intl to Frederic Chopin flights
Boston to Charles de Gaulle flights
John F Kennedy Intl to Malpensa flights
Dallas/Fort Worth to Heathrow flights
Boston to Gatwick flights
Dulles Intl to Charles de Gaulle flights
Seattle to Heathrow flights
O'Hare Intl to Charles de Gaulle flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
Newark to Stansted flights
Boston to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Frankfurt flights

Top 10 airlines flying from Illinois to Romania

Discover the top 10 airlines that operate flights from Illinois to Romania. 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 مايو 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$300Average$853FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$440Average$791FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$504Average$661FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$534Average$882FlexibilityNo cancel feeOn-time76%
Air SerbiaCheapest$537Average$747FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$539Average$788FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$569Average$735FlexibilityNo cancel feeOn-time77%
DeltaCheapest$575Average$1,013FlexibilityNo cancel feeOn-timeN/A
LOTCheapest$580Average$976FlexibilityNo cancel feeOn-time81%
SWISSCheapest$586Average$986FlexibilityNo cancel feeOn-time79%

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