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Cheap flights from Chicago to Bucharest from $299

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 4/26. 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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Find the cheapest flights from Chicago to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:25 pm - 12:35 am
ORD
-
OTP
18h 10m
2 stops
Multiple Airlines Logo
9:00 am - 11:50 am
OTP
-
ORD
10h 50mnonstop
$744Multiple Airlines
Sun, Apr 26 - Sun, Oct 11
Multiple Airlines Logo
10:25 pm - 12:35 am
ORD
-
OTP
18h 10m
2 stops
Multiple Airlines Logo
9:00 am - 11:50 am
OTP
-
ORD
10h 50mnonstop
$746Multiple Airlines
Sun, Apr 26 - Sun, Jun 7
Multiple Airlines Logo
7:25 pm - 12:35 am
ORD
-
OTP
21h 10m
2 stops
Multiple Airlines Logo
6:00 am - 9:25 pm
OTP
-
ORD
23h 25m
2 stops
$748Multiple Airlines
Mon, Apr 27 - Mon, Jun 8
Turkish Airlines Logo
11:25 am - 12:05 pm
ORD
-
OTP
16h 40m
1 stop
Turkish Airlines Logo
9:30 pm - 9:40 am
OTP
-
ORD
20h 10m
1 stop
$756Turkish Airlines
Fri, Apr 24 - Wed, May 20
SWISS Logo
7:05 pm - 3:20 pm
ORD
-
OTP
12h 15m
1 stop
SWISS Logo
4:10 pm - 3:55 pm
OTP
-
ORD
31h 45m
1 stop
$759SWISS
Fri, Apr 24 - Sat, May 9
Multiple Airlines Logo
7:25 pm - 12:35 am
ORD
-
OTP
21h 10m
2 stops
Multiple Airlines Logo
5:50 pm - 2:00 pm
OTP
-
ORD
28h 10m
2 stops
$763Multiple Airlines
Sun, Apr 26 - Sun, Jun 7
HiSky Logo
1:20 pm - 7:10 am
ORD
-
OTP
9h 50mnonstop
HiSky Logo
9:00 am - 11:50 am
OTP
-
ORD
10h 50mnonstop
$772HiSky
Sun, Jul 12 - Sun, Aug 16
Turkish Airlines Logo
11:25 am - 8:15 pm
ORD
-
OTP
24h 50m
1 stop
Turkish Airlines Logo
9:35 pm - 9:40 am
OTP
-
ORD
20h 05m
1 stop
$782Turkish Airlines
Fri, Apr 24 - Fri, May 8
Delta Logo
6:00 am - 1:00 pm
MDW
-
OTP
23h 00m
2 stops
Delta Logo
7:05 am - 4:27 pm
OTP
-
MDW
17h 22m
2 stops
$802Delta
Tue, Sep 1 - Wed, Sep 16
Delta Logo
2:12 pm - 5:20 pm
MDW
-
OTP
19h 08m
2 stops
Delta Logo
7:05 am - 6:33 pm
OTP
-
MDW
19h 28m
2 stops
$804Delta
Wed, May 6 - Sun, May 10

Air Serbia flights from Chicago to Bucharest Otopeni Intl Airport

Our best Air Serbia deals on Chicago to Bucharest Otopeni Intl Airport flight tickets
Air Serbia
Aug 26
ORD4:40 pmChicago O'Hare Intl
14h 40m
1 stop
OTP3:20 pmBucharest Otopeni Intl
Sep 12
OTP4:05 pmBucharest Otopeni Intl
13h 10m
1 stop
ORD9:15 pmChicago O'Hare Intl
$589
Air Serbia
Aug 26
ORD4:40 pmChicago O'Hare Intl
14h 40m
1 stop
OTP3:20 pmBucharest Otopeni Intl
Sep 6
OTP4:05 pmBucharest Otopeni Intl
30h 25m
1 stop
ORD2:30 pmChicago O'Hare Intl
$608
Air Serbia
Aug 26
ORD4:40 pmChicago O'Hare Intl
26h 25m
1 stop
OTP3:05 amBucharest Otopeni Intl
Sep 8
OTP4:05 pmBucharest Otopeni Intl
30h 25m
1 stop
ORD2:30 pmChicago O'Hare Intl
$610

Delta flights from Chicago to Bucharest Otopeni Intl Airport

Our best Delta deals on Chicago to Bucharest Otopeni Intl Airport flight tickets
Delta
Apr 28
ORD11:19 amChicago O'Hare Intl
17h 26m
2 stops
OTP12:45 pmBucharest Otopeni Intl
May 12
OTP7:05 amBucharest Otopeni Intl
15h 10m
1 stop
ORD2:15 pmChicago O'Hare Intl
$789
Delta
Apr 28
ORD4:20 pmChicago O'Hare Intl
12h 40m
1 stop
OTP1:00 pmBucharest Otopeni Intl
May 12
OTP7:05 amBucharest Otopeni Intl
15h 10m
1 stop
ORD2:15 pmChicago O'Hare Intl
$790
Delta
Apr 24
MDW9:29 amChicago Midway
18h 56m
2 stops
OTP12:25 pmBucharest Otopeni Intl
Apr 29
OTP7:05 amBucharest Otopeni Intl
18h 53m
2 stops
MDW5:58 pmChicago Midway
$799

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 April 21, 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

Sun 4/26

10:25 pm-12:35 am

2 stops18h 10m

Bucharest Otopeni Intl

Sun 10/11

9:00 am-11:50 am

Nonstop10h 50m

$744

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 4/26

10:25 pm-12:35 am

2 stops18h 10m

Bucharest Otopeni Intl

Sun 6/7

9:00 am-11:50 am

Nonstop10h 50m

$746

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 4/27

7:25 pm-12:35 am

2 stops21h 10m

Bucharest Otopeni Intl

Mon 6/8

6:00 am-9:25 pm

2 stops23h 25m

$748

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 4/24

11:25 am-12:05 pm

1 stop16h 40m

Bucharest Otopeni Intl

Wed 5/20

9:30 pm-9:40 am

1 stop20h 10m

$756

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 4/24

7:05 pm-3:20 pm

1 stop12h 15m

Bucharest Otopeni Intl

Sat 5/9

4:10 pm-3:55 pm

1 stop31h 45m

$759

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 4/26

7:25 pm-12:35 am

2 stops21h 10m

Bucharest Otopeni Intl

Sun 6/7

5:50 pm-2:00 pm

2 stops28h 10m

$763
Quickest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 7/12

1:20 pm-7:10 am

Nonstop9h 50m

Bucharest Otopeni Intl

Sun 8/16

9:00 am-11:50 am

Nonstop10h 50m

$772

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 4/24

11:25 am-8:15 pm

1 stop24h 50m

Bucharest Otopeni Intl

Fri 5/8

9:35 pm-9:40 am

1 stop20h 05m

$782

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Tue 9/1

6:00 am-1:00 pm

2 stops23h 00m

Bucharest Otopeni Intl

Wed 9/16

7:05 am-4:27 pm

2 stops17h 22m

$802

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Wed 5/6

2:12 pm-5:20 pm

2 stops19h 08m

Bucharest Otopeni Intl

Sun 5/10

7:05 am-6:33 pm

2 stops19h 28m

$804

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Chicago and Bucharest Otopeni Intl Airport?

What is the cheapest month to fly to Bucharest Otopeni Intl Airport?

If you aren’t able to travel during the month of February, then book flights to Bucharest Otopeni Intl Airport from Chicago during November instead. Flights to Bucharest Otopeni Intl Airport in November, while not as cheap as those in February, still average around $560.

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

Our data shows that Thursday is the least expensive day to fly to Bucharest Otopeni Intl Airport. Tickets to fly out on this day can be as low as $845. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Bucharest Otopeni Intl Airport for around $878.

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 $721 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?

You could potentially save up to 5% on your flight if you consider stops on a Chicago to Bucharest Otopeni Intl Airport flight.

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

$442

Fastest flight time

9h 50m

Direct flights

Mon and Fri
The best one-way flight to Bucharest Otopeni Intl Airport from Chicago in the past 72 hours is $442. The best round-trip flight deal from Chicago to Bucharest Otopeni Intl Airport found on momondo in the last 72 hours is $818.
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. The only airline offering direct flights is HiSky.
Search flight deals

Frequently asked questions about flying from Chicago to Bucharest Otopeni Intl Airport

  • 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
9,625 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $477Free CancellationRating
7.3
1,751 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $499Free CancellationRating
6.7
7,905 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $504Free CancellationRating
7.4
4,321 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $534Free CancellationRating
6.8
7,939 reviews
Search Lufthansa flights
KLMPriceFrom $539Free CancellationRating
7.8
1,501 reviews
Search KLM flights
Air SerbiaPriceFrom $566Free CancellationRating
6.2
219 reviews
Search Air Serbia flights
Air FrancePriceFrom $569Free CancellationRating
7.4
1,578 reviews
Search Air France flights
DeltaPriceFrom $575Free CancellationRating
7.9
8,430 reviews
Search Delta flights
LOTPriceFrom $586Free CancellationRating
7.5
1,188 reviews
Search LOT 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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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.

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

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