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Cheap flights from Chicago to Bucharest from $316

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 8/19. 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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Find the cheapest flights from Chicago to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
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
$666Air Serbia
Wed, Aug 26 - Sun, Sep 6
Air Serbia Logo
11:20 pm - 3:05 am
ORD
-
OTP
19h 45m
1 stop
Air Serbia Logo
4:30 am - 2:30 pm
OTP
-
ORD
18h 00m
1 stop
$679Air Serbia
Sat, Aug 29 - Mon, Sep 14
Air Serbia Logo
4:40 pm - 3:20 pm
ORD
-
OTP
14h 40m
1 stop
Air Serbia Logo
4:30 am - 2:30 pm
OTP
-
ORD
18h 00m
1 stop
$680Air Serbia
Mon, Aug 17 - Mon, Sep 14
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
$681Air Serbia
Mon, Aug 24 - Tue, Sep 8
Air Serbia Logo
4:40 pm - 3:05 am
ORD
-
OTP
26h 25m
1 stop
Air Serbia Logo
4:05 pm - 2:30 pm
OTP
-
ORD
30h 25m
1 stop
$705Air Serbia
Wed, Aug 12 - Tue, Sep 1
Lufthansa Logo
9:50 pm - 6:35 pm
ORD
-
OTP
12h 45m
1 stop
Lufthansa Logo
6:05 am - 1:10 pm
OTP
-
ORD
15h 05m
1 stop
$706Lufthansa
Mon, Nov 2 - Wed, Nov 11
Multiple Airlines Logo
12:50 pm - 6:40 pm
ORD
-
OTP
21h 50m
2 stops
Multiple Airlines Logo
6:05 am - 8:05 pm
OTP
-
ORD
22h 00m
1 stop
$714Multiple Airlines
Mon, Nov 2 - Wed, Nov 11
Turkish Airlines Logo
8:10 pm - 12:05 pm
ORD
-
OTP
31h 55m
1 stop
Turkish Airlines Logo
12:55 pm - 9:40 am
OTP
-
ORD
28h 45m
1 stop
$721Turkish Airlines
Tue, Oct 6 - Tue, Oct 20
Delta Logo
1:52 pm - 1:40 pm
MDW
-
OTP
15h 48m
2 stops
Delta Logo
6:00 am - 4:15 pm
OTP
-
MDW
18h 15m
2 stops
$750Delta
Tue, Aug 11 - Tue, Aug 25
Delta Logo
1:49 pm - 1:40 pm
MDW
-
OTP
15h 51m
2 stops
Delta Logo
6:00 am - 4:27 pm
OTP
-
MDW
18h 27m
2 stops
$778Delta
Sat, Aug 1 - Tue, Aug 25

Lufthansa flights from Chicago to Bucharest Otopeni Intl Airport

Our best Lufthansa deals on Chicago to Bucharest Otopeni Intl Airport flight tickets
Lufthansa
Nov 2
ORD9:50 pmChicago O'Hare Intl
12h 45m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Nov 11
OTP6:05 amBucharest Otopeni Intl
15h 05m
1 stop
ORD1:10 pmChicago O'Hare Intl
$706
Lufthansa
Nov 1
ORD9:50 pmChicago O'Hare Intl
19h 15m
1 stop
OTP1:05 amBucharest Otopeni Intl
Nov 15
OTP6:05 amBucharest Otopeni Intl
22h 00m
1 stop
ORD8:05 pmChicago O'Hare Intl
$748
Lufthansa
May 11
ORD3:35 pmChicago O'Hare Intl
12h 25m
1 stop
OTP12:00 pmBucharest Otopeni Intl
May 25
OTP12:45 pmBucharest Otopeni Intl
13h 30m
1 stop
ORD6:15 pmChicago O'Hare Intl
$862

Turkish Airlines flights from Chicago to Bucharest Otopeni Intl Airport

Our best Turkish Airlines deals on Chicago to Bucharest Otopeni Intl Airport flight tickets
Turkish Airlines
Aug 18
ORD8:10 pmChicago O'Hare Intl
31h 55m
1 stop
OTP12:05 pmBucharest Otopeni Intl
Sep 22
OTP3:55 pmBucharest Otopeni Intl
25h 45m
1 stop
ORD9:40 amChicago O'Hare Intl
$720
Turkish Airlines
Oct 6
ORD8:10 pmChicago O'Hare Intl
31h 55m
1 stop
OTP12:05 pmBucharest Otopeni Intl
Oct 20
OTP12:55 pmBucharest Otopeni Intl
28h 45m
1 stop
ORD9:40 amChicago O'Hare Intl
$721
Turkish Airlines
Aug 18
ORD11:25 amChicago O'Hare Intl
12h 45m
1 stop
OTP8:10 amBucharest Otopeni Intl
Sep 22
OTP12:55 pmBucharest Otopeni Intl
28h 45m
1 stop
ORD9:40 amChicago O'Hare Intl
$722

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 May 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

Wed 8/26

4:40 pm-3:20 pm

1 stop14h 40m

Bucharest Otopeni Intl

Sun 9/6

4:05 pm-2:30 pm

1 stop30h 25m

$666

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 8/29

11:20 pm-3:05 am

1 stop19h 45m

Bucharest Otopeni Intl

Mon 9/14

4:30 am-2:30 pm

1 stop18h 00m

$679

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/17

4:40 pm-3:20 pm

1 stop14h 40m

Bucharest Otopeni Intl

Mon 9/14

4:30 am-2:30 pm

1 stop18h 00m

$680

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/24

4:40 pm-3:20 pm

1 stop14h 40m

Bucharest Otopeni Intl

Tue 9/8

4:05 pm-2:30 pm

1 stop30h 25m

$681

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

4:40 pm-3:05 am

1 stop26h 25m

Bucharest Otopeni Intl

Tue 9/1

4:05 pm-2:30 pm

1 stop30h 25m

$705
Quickest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 11/2

9:50 pm-6:35 pm

1 stop12h 45m

Bucharest Otopeni Intl

Wed 11/11

6:05 am-1:10 pm

1 stop15h 05m

$706

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 11/2

12:50 pm-6:40 pm

2 stops21h 50m

Bucharest Otopeni Intl

Wed 11/11

6:05 am-8:05 pm

1 stop22h 00m

$714

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 10/6

8:10 pm-12:05 pm

1 stop31h 55m

Bucharest Otopeni Intl

Tue 10/20

12:55 pm-9:40 am

1 stop28h 45m

$721

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Tue 8/11

1:52 pm-1:40 pm

2 stops15h 48m

Bucharest Otopeni Intl

Tue 8/25

6:00 am-4:15 pm

2 stops18h 15m

$750

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Sat 8/1

1:49 pm-1:40 pm

2 stops15h 51m

Bucharest Otopeni Intl

Tue 8/25

6:00 am-4:27 pm

2 stops18h 27m

$778

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 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 July, then book flights to Bucharest Otopeni Intl Airport from Chicago during May instead. Flights to Bucharest Otopeni Intl Airport in May, while not as cheap as those in July, still average around $280.

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

Our data shows that Sunday is the least expensive day to fly to Bucharest Otopeni Intl Airport. Tickets to fly out on this day can be as low as $843. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Bucharest Otopeni Intl Airport for around $937.

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 from Chicago 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 $722 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.

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

You could potentially save up to 2% 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 $824.
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
9,688 reviews
Search United Airlines flights
British AirwaysPriceFrom $440Free CancellationRating
6.7
7,949 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $443Free CancellationRating
7.4
1,770 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $504Free CancellationRating
7.4
4,355 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $534Free CancellationRating
6.8
7,975 reviews
Search Lufthansa flights
KLMPriceFrom $539Free CancellationRating
7.8
1,511 reviews
Search KLM flights
Air SerbiaPriceFrom $566Free CancellationRating
6.2
222 reviews
Search Air Serbia flights
Air FrancePriceFrom $569Free CancellationRating
7.4
1,586 reviews
Search Air France flights
DeltaPriceFrom $575Free CancellationRating
7.9
8,460 reviews
Search Delta flights
LOTPriceFrom $586Free CancellationRating
7.5
1,193 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.

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.

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