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Cheap flights from Chicago to Bucharest from $307

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Bucharest departing on 7/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
9:40 pm - 6:35 pm
ORD
-
OTP
12h 55m
1 stop
Lufthansa Logo
1:50 pm - 7:55 pm
OTP
-
ORD
14h 05m
1 stop
$784Lufthansa
Thu, Jul 30 - Mon, Aug 24
United Airlines Logo
9:40 pm - 1:10 am
ORD
-
OTP
19h 30m
1 stop
United Airlines Logo
6:05 am - 11:00 am
OTP
-
ORD
12h 55m
1 stop
$785United Airlines
Thu, Jul 30 - Sun, Aug 23
Multiple Airlines Logo
2:15 pm - 1:00 pm
ORD
-
OTP
14h 45m
2 stops
Multiple Airlines Logo
6:05 am - 12:55 pm
OTP
-
ORD
14h 50m
1 stop
$786Multiple Airlines
Thu, Aug 6 - Fri, Aug 21
Delta Logo
1:59 pm - 1:40 pm
ORD
-
OTP
15h 41m
2 stops
Delta Logo
7:05 am - 2:30 pm
OTP
-
ORD
15h 25m
1 stop
$787Delta
Wed, Aug 12 - Wed, Aug 26
Delta Logo
6:30 am - 1:40 pm
ORD
-
OTP
23h 10m
2 stops
Delta Logo
2:00 pm - 2:30 pm
OTP
-
ORD
32h 30m
1 stop
$788Delta
Sat, Aug 1 - Tue, Aug 25
Turkish Airlines Logo
8:10 pm - 2:35 pm
ORD
-
OTP
34h 25m
1 stop
Turkish Airlines Logo
9:35 pm - 9:40 am
OTP
-
ORD
20h 05m
1 stop
$789Turkish Airlines
Wed, Aug 26 - Wed, Sep 9
Multiple Airlines Logo
3:40 pm - 3:20 pm
ORD
-
OTP
39h 40m
2 stops
Multiple Airlines Logo
6:05 am - 12:55 pm
OTP
-
ORD
14h 50m
1 stop
$790Multiple Airlines
Sun, Aug 9 - Sat, Aug 22
Multiple Airlines Logo
7:25 pm - 12:35 am
ORD
-
OTP
21h 10m
2 stops
Multiple Airlines Logo
12:50 pm - 12:40 pm
OTP
-
ORD
31h 50m
2 stops
$791Multiple Airlines
Tue, Aug 4 - Wed, Sep 9
Delta Logo
5:20 pm - 2:10 pm
ORD
-
OTP
12h 50m
1 stop
Delta Logo
6:00 am - 4:37 pm
OTP
-
ORD
18h 37m
2 stops
$792Delta
Sun, Nov 8 - Thu, Nov 26
Delta Logo
5:20 pm - 2:10 pm
ORD
-
OTP
12h 50m
1 stop
Delta Logo
6:00 am - 4:37 pm
OTP
-
ORD
18h 37m
2 stops
$793Delta
Fri, Nov 13 - Thu, Nov 26

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Lufthansa flights from Chicago to Bucharest

Our best Lufthansa deals on Chicago to Bucharest flight tickets
Lufthansa
Jul 30
ORD9:40 pmChicago O'Hare Intl
12h 55m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Aug 24
OTP1:50 pmBucharest Otopeni Intl
14h 05m
1 stop
ORD7:55 pmChicago O'Hare Intl
$784
Lufthansa
Aug 4
ORD10:30 pmChicago O'Hare Intl
17h 00m
1 stop
OTP11:30 pmBucharest Otopeni Intl
Sep 9
OTP1:45 pmBucharest Otopeni Intl
14h 10m
1 stop
ORD7:55 pmChicago O'Hare Intl
$831
Lufthansa
Jun 19
ORD10:30 pmChicago O'Hare Intl
17h 10m
1 stop
OTP11:40 pmBucharest Otopeni Intl
Aug 19
OTP6:05 amBucharest Otopeni Intl
14h 50m
1 stop
ORD12:55 pmChicago O'Hare Intl
$942

United Airlines flights from Chicago to Bucharest

Our best United Airlines deals on Chicago to Bucharest flight tickets
United Airlines
Jul 30
ORD9:40 pmChicago O'Hare Intl
19h 30m
1 stop
OTP1:10 amBucharest Otopeni Intl
Aug 23
OTP6:05 amBucharest Otopeni Intl
12h 55m
1 stop
ORD11:00 amChicago O'Hare Intl
$785
United Airlines
Nov 13
ORD3:00 pmChicago O'Hare Intl
19h 35m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Nov 21
OTP6:35 pmBucharest Otopeni Intl
32h 39m
2 stops
ORD7:14 pmChicago O'Hare Intl
$815
United Airlines
Aug 1
ORD6:30 pmChicago O'Hare Intl
22h 40m
2 stops
OTP1:10 amBucharest Otopeni Intl
Aug 23
OTP6:15 amBucharest Otopeni Intl
25h 25m
2 stops
ORD11:40 pmChicago O'Hare Intl
$832

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Bucharest 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, momondo users made 832,500 searches. Data last updated June 15, 2026.
Use the filters below to find and compare flights from Chicago to Bucharest that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 7/30

9:40 pm-6:35 pm

1 stop12h 55m

Bucharest Otopeni Intl

Mon 8/24

1:50 pm-7:55 pm

1 stop14h 05m

$784

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 7/30

9:40 pm-1:10 am

1 stop19h 30m

Bucharest Otopeni Intl

Sun 8/23

6:05 am-11:00 am

1 stop12h 55m

$785

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 8/6

2:15 pm-1:00 pm

2 stops14h 45m

Bucharest Otopeni Intl

Fri 8/21

6:05 am-12:55 pm

1 stop14h 50m

$786

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

1:59 pm-1:40 pm

2 stops15h 41m

Bucharest Otopeni Intl

Wed 8/26

7:05 am-2:30 pm

1 stop15h 25m

$787

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 8/1

6:30 am-1:40 pm

2 stops23h 10m

Bucharest Otopeni Intl

Tue 8/25

2:00 pm-2:30 pm

1 stop32h 30m

$788

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/26

8:10 pm-2:35 pm

1 stop34h 25m

Bucharest Otopeni Intl

Wed 9/9

9:35 pm-9:40 am

1 stop20h 05m

$789

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 8/9

3:40 pm-3:20 pm

2 stops39h 40m

Bucharest Otopeni Intl

Sat 8/22

6:05 am-12:55 pm

1 stop14h 50m

$790

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 8/4

7:25 pm-12:35 am

2 stops21h 10m

Bucharest Otopeni Intl

Wed 9/9

12:50 pm-12:40 pm

2 stops31h 50m

$791

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 11/8

5:20 pm-2:10 pm

1 stop12h 50m

Bucharest Otopeni Intl

Thu 11/26

6:00 am-4:37 pm

2 stops18h 37m

$792

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 11/13

5:20 pm-2:10 pm

1 stop12h 50m

Bucharest Otopeni Intl

Thu 11/26

6:00 am-4:37 pm

2 stops18h 37m

$793

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Bucharest from

How to get the cheapest flight ticket from Chicago to Bucharest

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Chicago and Bucharest?

What is the cheapest month to fly to Bucharest?

In general, July is the cheapest month to fly from Chicago to Bucharest. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $278. If you aren’t able to travel to Bucharest during the month of July, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $280.

What is the cheapest day to depart on your flight to Bucharest?

Our data shows that Tuesday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $853. The most expensive day to fly to Bucharest is Friday, with ticket prices averaging around $893.

What is the cheapest Chicago to Bucharest flight route?

Fly from Chicago O'Hare Intl to Bucharest Otopeni Intl for the best Chicago - Bucharest flight prices

How far in advance should I book a flight from Chicago to Bucharest?

You are more likely to see cheaper flights to Bucharest from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Bucharest for around $728 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bucharest from Chicago for as low as $365 on momondo.

What cabin class options are available on Chicago to Bucharest flights?

There are 2 cabin classes available to choose from on Chicago to Bucharest flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Chicago to Bucharest flight prices changed over time?

When to book flights from Chicago to Bucharest

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Bucharest according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Bucharest (CHI to BUH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Bucharest

Best Price Found

$435

Fastest flight time

12h 05m

Direct flights

None
The best one-way flight to Bucharest from Chicago in the past 72 hours is $435. The best round-trip flight deal from Chicago to Bucharest found on momondo in the last 72 hours is $896.
The fastest flight from Chicago to Bucharest takes 12h 05m
There are no direct flights from Chicago to Bucharest. There are no popular flight routes from Chicago to Bucharest.
Search flight deals

Frequently asked questions about flying from Chicago to Bucharest

  • How far is Chicago to Bucharest by plane?

    The straight-line distance from Chicago to Bucharest is 5200.7 mi. Flights usually cover this in 12h 05m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Chicago to Bucharest?

    Prices for flights from Chicago to Bucharest are updated daily.

  • How many operators does momondo search for flights from Chicago to Bucharest?

  • How old do you have to be to fly from Chicago to Bucharest?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Bucharest.

  • What documentation or ID do you need to fly to Bucharest?

    The travel and health documents you'll need for your trip to Bucharest may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bucharest. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago to Bucharest?

  • What is the most popular airline from Chicago to Bucharest?

Best airlines flying from Chicago to Bucharest

Compare and see reviews for airlines that fly from Chicago to Bucharest with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $300Free CancellationRating
7.4
9,828 reviews
Search United Airlines flights
British AirwaysPriceFrom $418Free CancellationRating
6.7
8,050 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $503Free CancellationRating
7.4
4,409 reviews
Search Turkish Airlines flights
Air FrancePriceFrom $510Free CancellationRating
7.4
1,606 reviews
Search Air France flights
Air SerbiaPriceFrom $537Free CancellationRating
6.1
231 reviews
Search Air Serbia flights
KLMPriceFrom $539Free CancellationRating
7.8
1,528 reviews
Search KLM flights
LufthansaPriceFrom $553Free CancellationRating
6.8
8,062 reviews
Search Lufthansa flights
SWISSPriceFrom $569Free CancellationRating
7.5
1,966 reviews
Search SWISS flights
DeltaPriceFrom $575Free CancellationRating
7.9
8,394 reviews
Search Delta flights
LOTPriceFrom $586Free CancellationRating
7.5
1,197 reviews
Search LOT flights

Traveling to a place near Bucharest?

Book flights to Bucharest if you plan to visit one of these locations
Otopeni

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Bucharest?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Bucharest. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Chicago to Bucharest with flexible booking policies on momondo?

momondo does allow users to show only those flights to Bucharest from Chicago which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Chicago to Bucharest?

Once all potential Chicago to Bucharest flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Chicago to Bucharest right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Chicago to Bucharest flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to Romania

Fly into one of these airports located in Bucharest

Airports listed have a maximum distance of 9.6 mi from Bucharest
Bucharest Otopeni Intl Airport