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Cheap flights from Chicago to Bucharest from $272

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 11/6. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:20 pm - 3:50 pmORD-OTP
14h 30m1 stop
Multiple Airlines Logo
6:00 am - 2:20 pmOTP-ORD
16h 20m1 stop
$534Multiple Airlines
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Fri, Jan 9 - Fri, Jan 16
Multiple Airlines Logo
3:45 pm - 6:35 pmORD-OTP
18h 50m2 stops
Multiple Airlines Logo
6:00 am - 7:55 pmOTP-ORD
21h 55m1 stop
$535Multiple Airlines
Find Deal
Mon, Apr 20 - Mon, May 4
Multiple Airlines Logo
2:00 pm - 2:05 pmORD-OTP
16h 05m2 stops
Multiple Airlines Logo
5:55 am - 7:30 pmOTP-ORD
21h 35m2 stops
$536Multiple Airlines
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Mon, Jan 19 - Mon, Feb 2
Multiple Airlines Logo
6:50 pm - 3:50 pmORD-OTP
13h 00m1 stop
Multiple Airlines Logo
6:05 am - 2:55 pmOTP-ORD
16h 50m2 stops
$537Multiple Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 26
United Airlines Logo
2:39 pm - 11:55 pmORD-OTP
25h 16m2 stops
United Airlines Logo
6:05 am - 8:05 pmOTP-ORD
22h 00m1 stop
$550United Airlines
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Wed, Dec 10 - Wed, Dec 17
Lufthansa Logo
9:50 pm - 6:35 pmORD-OTP
12h 45m1 stop
Lufthansa Logo
6:05 am - 1:10 pmOTP-ORD
15h 05m2 stops
$552Lufthansa
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Thu, Nov 6 - Fri, Nov 14
United Airlines Logo
8:45 am - 6:35 pmORD-OTP
25h 50m2 stops
United Airlines Logo
5:55 am - 6:30 amOTP-ORD
32h 35m2 stops
$553United Airlines
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Mon, Dec 8 - Mon, Dec 22
KLM Logo
1:35 pm - 1:00 pmORD-OTP
15h 25m2 stops
KLM Logo
1:55 pm - 11:54 pmOTP-ORD
17h 59m2 stops
$570KLM
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Sat, Feb 21 - Sat, Mar 7
Lufthansa Logo
9:50 pm - 6:35 pmORD-OTP
12h 45m1 stop
Lufthansa Logo
7:20 pm - 6:25 pmOTP-ORD
31h 05m1 stop
$657Lufthansa
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Mon, Dec 1 - Sat, Jan 10
SWISS Logo
6:50 pm - 12:30 amORD-OTP
21h 40m1 stop
SWISS Logo
6:30 am - 4:20 pmOTP-ORD
17h 50m1 stop
$682SWISS
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Fri, Dec 12 - Thu, Dec 25

Air Canada flights from Chicago to Bucharest Otopeni Intl Airport

Our best Air Canada deals on Chicago to Bucharest Otopeni Intl Airport flight tickets
Air Canada
Nov 11
ORD3:55 pmChicago O'Hare Intl
15h 50m
2 stops
OTP3:45 pmBucharest Otopeni Intl
Nov 18
OTP5:55 amBucharest Otopeni Intl
17h 00m
2 stops
ORD2:55 pmChicago O'Hare Intl
$571
Find similar
Air Canada
Oct 28
ORD1:19 pmChicago O'Hare Intl
22h 06m
2 stops
OTP6:25 pmBucharest Otopeni Intl
Nov 5
OTP6:05 amBucharest Otopeni Intl
37h 13m
2 stops
ORD11:18 amChicago O'Hare Intl
$581
Find similar
Air Canada
Oct 28
ORD11:15 amChicago O'Hare Intl
24h 10m
2 stops
OTP6:25 pmBucharest Otopeni Intl
Nov 7
OTP5:55 amBucharest Otopeni Intl
36h 10m
2 stops
ORD10:05 amChicago O'Hare Intl
$588
Find similar

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
Dec 10
ORD2:39 pmChicago O'Hare Intl
25h 16m
2 stops
OTP11:55 pmBucharest Otopeni Intl
Dec 17
OTP6:05 amBucharest Otopeni Intl
22h 00m
1 stop
ORD8:05 pmChicago O'Hare Intl
$550
Find similar
United Airlines
Dec 8
ORD8:45 amChicago O'Hare Intl
25h 50m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Dec 22
OTP5:55 amBucharest Otopeni Intl
32h 35m
2 stops
ORD6:30 amChicago O'Hare Intl
$553
Find similar
United Airlines
Nov 23
ORD6:28 pmChicago O'Hare Intl
40h 07m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Dec 2
OTP2:50 pmBucharest Otopeni Intl
37h 20m
2 stops
ORD8:10 pmChicago O'Hare Intl
$558
Find similar

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 October 22, 2025.
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

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 1/9

5:20 pm-3:50 pm

1 stop14h 30m

Bucharest Otopeni Intl

Fri 1/16

6:00 am-2:20 pm

1 stop16h 20m

$534

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 4/20

3:45 pm-6:35 pm

2 stops18h 50m

Bucharest Otopeni Intl

Mon 5/4

6:00 am-7:55 pm

1 stop21h 55m

$535

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 1/19

2:00 pm-2:05 pm

2 stops16h 05m

Bucharest Otopeni Intl

Mon 2/2

5:55 am-7:30 pm

2 stops21h 35m

$536

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 11/12

6:50 pm-3:50 pm

1 stop13h 00m

Bucharest Otopeni Intl

Wed 11/26

6:05 am-2:55 pm

2 stops16h 50m

$537

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 12/10

2:39 pm-11:55 pm

2 stops25h 16m

Bucharest Otopeni Intl

Wed 12/17

6:05 am-8:05 pm

1 stop22h 00m

$550

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 11/6

9:50 pm-6:35 pm

1 stop12h 45m

Bucharest Otopeni Intl

Fri 11/14

6:05 am-1:10 pm

2 stops15h 05m

$552

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 12/8

8:45 am-6:35 pm

2 stops25h 50m

Bucharest Otopeni Intl

Mon 12/22

5:55 am-6:30 am

2 stops32h 35m

$553

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 2/21

1:35 pm-1:00 pm

2 stops15h 25m

Bucharest Otopeni Intl

Sat 3/7

1:55 pm-11:54 pm

2 stops17h 59m

$570

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 12/1

9:50 pm-6:35 pm

1 stop12h 45m

Bucharest Otopeni Intl

Sat 1/10

7:20 pm-6:25 pm

1 stop31h 05m

$657

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 12/12

6:50 pm-12:30 am

1 stop21h 40m

Bucharest Otopeni Intl

Thu 12/25

6:30 am-4:20 pm

1 stop17h 50m

$682

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 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 $591.

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

Our data shows that Friday is the least expensive day to fly to Bucharest Otopeni Intl Airport. Tickets to fly out on this day can be as low as $808. 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 $931.

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

Our most recent data shows that the best time of day to fly to Bucharest Otopeni Intl Airport is in the morning. Flights from Chicago to Bucharest Otopeni Intl Airport during this time can be as low as $607. In the afternoon is when there is more demand to fly to Bucharest Otopeni Intl Airport, so prices are often more expensive at around $872 per ticket.

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 $712 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 $634 on momondo.

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

$829

Direct flights

None
The best flight deal from Chicago to Bucharest Otopeni Intl Airport found on momondo in the last 72 hours is $829
There are no direct flights from Chicago to Bucharest Otopeni Intl Airport. There are no popular flight routes from Chicago to Bucharest Otopeni Intl Airport.
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 12h 45m 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
Scandinavian AirlinesPriceFrom $385Free CancellationRating
7.4
1,535 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $504Free CancellationRating
7.3
4,022 reviews
Search Turkish Airlines flights
Austrian AirlinesPriceFrom $517Free CancellationRating
7.6
861 reviews
Search Austrian Airlines flights
LOTPriceFrom $538Free CancellationRating
7.6
1,132 reviews
Search LOT flights
LufthansaPriceFrom $553Free CancellationRating
6.8
7,507 reviews
Search Lufthansa flights
British AirwaysPriceFrom $570Free CancellationRating
6.7
7,466 reviews
Search British Airways flights
Air FrancePriceFrom $580Free CancellationRating
7.4
1,477 reviews
Search Air France flights
KLMPriceFrom $582Free CancellationRating
7.7
1,404 reviews
Search KLM flights
SWISSPriceFrom $587Free CancellationRating
7.5
1,772 reviews
Search SWISS flights
DeltaPriceFrom $591Free CancellationRating
7.9
7,977 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.

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