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Cheap flights from Chicago to Bucharest from $217

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 4/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
8:10 pm - 2:35 pm
ORD
-
OTP
34h 25m
1 stop
Turkish Airlines Logo
12:55 pm - 9:40 am
OTP
-
ORD
28h 45m
1 stop
$517Turkish Airlines
Tue, Sep 1 - Tue, Sep 15
Turkish Airlines Logo
8:10 pm - 2:35 pm
ORD
-
OTP
34h 25m
1 stop
Turkish Airlines Logo
3:55 pm - 9:40 am
OTP
-
ORD
25h 45m
1 stop
$518Turkish Airlines
Tue, Apr 7 - Wed, Apr 15
Turkish Airlines Logo
11:25 am - 8:10 pm
ORD
-
OTP
24h 45m
1 stop
Turkish Airlines Logo
3:55 pm - 9:40 am
OTP
-
ORD
25h 45m
1 stop
$523Turkish Airlines
Tue, Apr 28 - Tue, May 12
Air Serbia Logo
11:20 pm - 3:05 am
ORD
-
OTP
19h 45m
1 stop
Air Serbia Logo
4:05 pm - 9:15 pm
OTP
-
ORD
13h 10m
1 stop
$526Air Serbia
Sat, Apr 4 - Sat, Apr 18
Turkish Airlines Logo
8:10 pm - 12:05 pm
ORD
-
OTP
31h 55m
1 stop
Turkish Airlines Logo
3:55 pm - 9:40 am
OTP
-
ORD
25h 45m
1 stop
$527Turkish Airlines
Sun, May 3 - Wed, May 13
Air Serbia Logo
4:40 pm - 3:20 pm
ORD
-
OTP
14h 40m
1 stop
Air Serbia Logo
4:05 pm - 2:30 pm
OTP
-
ORD
30h 25m
1 stop
$528Air Serbia
Wed, Apr 1 - Tue, Apr 21
Lufthansa Logo
9:40 pm - 1:10 am
ORD
-
OTP
19h 30m
1 stop
Lufthansa Logo
1:45 pm - 7:55 pm
OTP
-
ORD
14h 10m
1 stop
$530Lufthansa
Wed, Aug 12 - Wed, Aug 26
United Airlines Logo
9:40 pm - 1:10 am
ORD
-
OTP
19h 30m
1 stop
United Airlines Logo
1:45 pm - 7:55 pm
OTP
-
ORD
14h 10m
1 stop
$531United Airlines
Mon, Aug 3 - Wed, Aug 26
Delta Logo
6:34 pm - 5:20 pm
MDW
-
OTP
14h 46m
2 stops
Delta Logo
7:05 am - 5:58 pm
OTP
-
MDW
18h 53m
2 stops
$604Delta
Mon, Mar 30 - Wed, Apr 15
Delta Logo
6:38 pm - 5:20 pm
MDW
-
OTP
14h 42m
2 stops
Delta Logo
6:00 am - 6:33 pm
OTP
-
MDW
20h 33m
2 stops
$610Delta
Mon, Apr 27 - Wed, May 13

LOT flights from Chicago to Bucharest Otopeni Intl Airport

Our best LOT deals on Chicago to Bucharest Otopeni Intl Airport flight tickets
LOT
Apr 27
ORD9:50 pmChicago O'Hare Intl
32h 00m
1 stop
OTP1:50 pmBucharest Otopeni Intl
May 12
OTP5:35 amBucharest Otopeni Intl
17h 35m
1 stop
ORD3:10 pmChicago O'Hare Intl
$547
LOT
Apr 28
ORD5:10 pmChicago O'Hare Intl
16h 35m
1 stop
OTP5:45 pmBucharest Otopeni Intl
May 11
OTP6:30 pmBucharest Otopeni Intl
28h 40m
1 stop
ORD3:10 pmChicago O'Hare Intl
$567
LOT
Mar 11
ORD10:55 pmChicago O'Hare Intl
31h 55m
1 stop
OTP1:50 pmBucharest Otopeni Intl
Mar 18
OTP2:35 pmBucharest Otopeni Intl
13h 25m
1 stop
ORD9:00 pmChicago O'Hare Intl
$705

United Airlines flights from Chicago to Bucharest Otopeni Intl Airport

Our best United Airlines deals on Chicago to Bucharest Otopeni Intl Airport flight tickets
United Airlines
Aug 3
ORD9:40 pmChicago O'Hare Intl
19h 30m
1 stop
OTP1:10 amBucharest Otopeni Intl
Aug 26
OTP1:45 pmBucharest Otopeni Intl
14h 10m
1 stop
ORD7:55 pmChicago O'Hare Intl
$531
United Airlines
Aug 2
ORD9:40 pmChicago O'Hare Intl
19h 30m
1 stop
OTP1:10 amBucharest Otopeni Intl
Aug 25
OTP6:05 amBucharest Otopeni Intl
25h 16m
2 stops
ORD11:21 pmChicago O'Hare Intl
$541
United Airlines
Aug 9
ORD3:35 pmChicago O'Hare Intl
12h 25m
1 stop
OTP12:00 pmBucharest Otopeni Intl
Aug 25
OTP1:50 pmBucharest Otopeni Intl
17h 31m
2 stops
ORD11:21 pmChicago O'Hare Intl
$542

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Bucharest Otopeni Intl Airport 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 March 6, 2026.
Use the filters below to find and compare flights from Chicago to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 9/1

8:10 pm-2:35 pm

1 stop34h 25m

Bucharest Otopeni Intl

Tue 9/15

12:55 pm-9:40 am

1 stop28h 45m

$517

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 4/7

8:10 pm-2:35 pm

1 stop34h 25m

Bucharest Otopeni Intl

Wed 4/15

3:55 pm-9:40 am

1 stop25h 45m

$518

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 4/28

11:25 am-8:10 pm

1 stop24h 45m

Bucharest Otopeni Intl

Tue 5/12

3:55 pm-9:40 am

1 stop25h 45m

$523
Quickest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 4/4

11:20 pm-3:05 am

1 stop19h 45m

Bucharest Otopeni Intl

Sat 4/18

4:05 pm-9:15 pm

1 stop13h 10m

$526

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 5/3

8:10 pm-12:05 pm

1 stop31h 55m

Bucharest Otopeni Intl

Wed 5/13

3:55 pm-9:40 am

1 stop25h 45m

$527

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 4/1

4:40 pm-3:20 pm

1 stop14h 40m

Bucharest Otopeni Intl

Tue 4/21

4:05 pm-2:30 pm

1 stop30h 25m

$528

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

9:40 pm-1:10 am

1 stop19h 30m

Bucharest Otopeni Intl

Wed 8/26

1:45 pm-7:55 pm

1 stop14h 10m

$530

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/3

9:40 pm-1:10 am

1 stop19h 30m

Bucharest Otopeni Intl

Wed 8/26

1:45 pm-7:55 pm

1 stop14h 10m

$531

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Mon 3/30

6:34 pm-5:20 pm

2 stops14h 46m

Bucharest Otopeni Intl

Wed 4/15

7:05 am-5:58 pm

2 stops18h 53m

$604

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Mon 4/27

6:38 pm-5:20 pm

2 stops14h 42m

Bucharest Otopeni Intl

Wed 5/13

6:00 am-6:33 pm

2 stops20h 33m

$610

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bucharest from

How to get the cheapest flight ticket from Chicago to Bucharest Otopeni Intl Airport

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 cheapest month to fly to Bucharest Otopeni Intl Airport?

If you aren’t able to travel during the month of November, then book flights to Bucharest Otopeni Intl Airport from Chicago during January instead. Flights to Bucharest Otopeni Intl Airport in January, while not as cheap as those in November, still average around $592.

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

Our data shows that Monday is the least expensive day to fly to Bucharest Otopeni Intl Airport. Tickets to fly out on this day can be as low as $829. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Bucharest Otopeni Intl Airport for around $860.

What is the cheapest Chicago to Bucharest Otopeni Intl flight route?

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

How far in advance should I book a flight to Bucharest Otopeni Intl Airport?

You are more likely to see cheaper flights to Bucharest Otopeni Intl Airport from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Bucharest Otopeni Intl Airport for around $719 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bucharest Otopeni Intl Airport from Chicago for as low as $365 on momondo.

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

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

Can stopping save me money on Chicago to Bucharest Otopeni Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Chicago to Bucharest Otopeni Intl Airport.

How have Chicago to Bucharest Otopeni Intl Airport flight prices changed over time?

When to book flights from Chicago to Bucharest Otopeni Intl Airport

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

Cheap Chicago to Bucharest Otopeni Intl Airport (CHI to OTP) flight deals and tips

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

Best Price Found

$788

Fastest flight time

9h 50m

Direct flights

Mon and Fri
The best flight deal from Chicago to Bucharest Otopeni Intl Airport found on momondo in the last 72 hours is $788
The fastest flight from Chicago to Bucharest Otopeni Intl Airport takes 9h 50m
Direct flights go from Chicago to Bucharest Otopeni Intl Airport on Monday and Friday. There are no airlines offering direct flights.
Search flight deals

  • How far is Chicago to Bucharest Otopeni Intl by plane?

    The straight-line distance from Chicago to Bucharest Otopeni Intl is 5194.0 mi. Typically, this will take 9h 50m by plane in normal conditions.

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

    Prices for flights from Chicago to Bucharest Otopeni Intl Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Bucharest Otopeni Intl Airport.

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

    The travel and health documents required for your trip to Bucharest Otopeni Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bucharest Otopeni Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Best airlines flying from Chicago to Bucharest Otopeni Intl Airport

Compare and see reviews for airlines that fly from Chicago to Bucharest Otopeni Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $300Free CancellationRating
7.4
9,403 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $326Free CancellationRating
7.3
1,703 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $503Free CancellationRating
7.3
4,244 reviews
Search Turkish Airlines flights
Austrian AirlinesPriceFrom $517Free CancellationRating
7.6
900 reviews
Search Austrian Airlines flights
KLMPriceFrom $539Free CancellationRating
7.8
1,467 reviews
Search KLM flights
British AirwaysPriceFrom $542Free CancellationRating
6.7
7,776 reviews
Search British Airways flights
LufthansaPriceFrom $559Free CancellationRating
6.8
7,828 reviews
Search Lufthansa flights
LOTPriceFrom $562Free CancellationRating
7.5
1,183 reviews
Search LOT flights
Air FrancePriceFrom $569Free CancellationRating
7.4
1,542 reviews
Search Air France flights
DeltaPriceFrom $575Free CancellationRating
7.9
8,260 reviews
Search Delta flights

Traveling to a place near Bucharest?

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

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Bucharest for you.

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

All flight searches from Chicago to Bucharest on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Bucharest from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Bucharest from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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