Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Chicago to Bucharest from $263

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 6/21. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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 - 9:15 pm
OTP
-
ORD
13h 10m
1 stop
$729Air Serbia
Wed, Aug 12 - Sat, Oct 17
Air Serbia Logo
11:20 pm - 3:20 pm
ORD
-
OTP
32h 00m
1 stop
Air Serbia Logo
4:30 am - 2:30 pm
OTP
-
ORD
18h 00m
1 stop
$730Air Serbia
Sat, Aug 1 - Mon, Aug 31
Air Serbia Logo
11:20 pm - 3:05 am
ORD
-
OTP
19h 45m
1 stop
Air Serbia Logo
4:05 pm - 2:30 pm
OTP
-
ORD
30h 25m
1 stop
$732Air Serbia
Sat, Aug 1 - Sun, Aug 30
Delta Logo
10:30 am - 2:10 pm
ORD
-
OTP
19h 40m
2 stops
Delta Logo
6:00 am - 2:25 pm
OTP
-
ORD
16h 25m
1 stop
$733Delta
Sun, Nov 15 - Wed, Nov 18
Multiple Airlines Logo
8:45 am - 6:35 pm
ORD
-
OTP
25h 50m
2 stops
Multiple Airlines Logo
4:40 pm - 4:20 pm
OTP
-
ORD
31h 40m
1 stop
$736Multiple Airlines
Mon, Oct 19 - Mon, Nov 2
Air Serbia Logo
11:20 pm - 3:20 pm
ORD
-
OTP
32h 00m
1 stop
Air Serbia Logo
4:05 pm - 2:30 pm
OTP
-
ORD
30h 25m
1 stop
$740Air Serbia
Sat, Aug 22 - Sun, Sep 6
Air Canada Logo
7:15 am - 3:50 pm
ORD
-
OTP
24h 35m
2 stops
Air Canada Logo
6:30 am - 8:10 pm
OTP
-
ORD
21h 40m
2 stops
$741Air Canada
Sun, Nov 15 - Wed, Nov 18
Delta Logo
10:40 am - 12:45 pm
ORD
-
OTP
18h 05m
2 stops
Delta Logo
6:00 am - 9:33 pm
OTP
-
ORD
23h 33m
2 stops
$743Delta
Tue, Oct 20 - Tue, Nov 3
Turkish Airlines Logo
8:10 pm - 8:15 pm
ORD
-
OTP
16h 05m
1 stop
Turkish Airlines Logo
3:55 pm - 9:40 am
OTP
-
ORD
25h 45m
1 stop
$744Turkish Airlines
Sun, Aug 16 - Wed, Oct 14
SWISS Logo
7:05 pm - 3:20 pm
ORD
-
OTP
12h 15m
1 stop
SWISS Logo
6:30 am - 12:40 pm
OTP
-
ORD
14h 10m
1 stop
$745SWISS
Thu, Oct 22 - Thu, Nov 5

SWISS flights from Chicago to Bucharest Otopeni Intl Airport

Our best SWISS deals on Chicago to Bucharest Otopeni Intl Airport flight tickets
SWISS
Oct 22
ORD7:05 pmChicago O'Hare Intl
12h 15m
1 stop
OTP3:20 pmBucharest Otopeni Intl
Nov 5
OTP6:30 amBucharest Otopeni Intl
14h 10m
1 stop
ORD12:40 pmChicago O'Hare Intl
$745
SWISS
Aug 11
ORD7:05 pmChicago O'Hare Intl
12h 15m
1 stop
OTP3:20 pmBucharest Otopeni Intl
Aug 18
OTP4:10 pmBucharest Otopeni Intl
28h 25m
1 stop
ORD12:35 pmChicago O'Hare Intl
$776
SWISS
Jun 7
ORD7:05 pmChicago O'Hare Intl
22h 05m
1 stop
OTP1:10 amBucharest Otopeni Intl
Jun 20
OTP6:20 amBucharest Otopeni Intl
14h 15m
1 stop
ORD12:35 pmChicago O'Hare Intl
$928

Lufthansa flights from Chicago to Bucharest Otopeni Intl Airport

Our best Lufthansa deals on Chicago to Bucharest Otopeni Intl Airport flight tickets
Lufthansa
Aug 12
ORD9:40 pmChicago O'Hare Intl
12h 55m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Aug 26
OTP6:15 amBucharest Otopeni Intl
15h 45m
1 stop
ORD2:00 pmChicago O'Hare Intl
$770
Lufthansa
Aug 25
ORD9:40 pmChicago O'Hare Intl
12h 55m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Sep 8
OTP1:50 pmBucharest Otopeni Intl
14h 05m
1 stop
ORD7:55 pmChicago O'Hare Intl
$772
Lufthansa
Jun 2
ORD6:00 pmChicago O'Hare Intl
16h 35m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Jun 16
OTP6:05 amBucharest Otopeni Intl
14h 50m
1 stop
ORD12:55 pmChicago O'Hare Intl
$1,143

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 26, 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 8/12

4:40 pm-3:20 pm

1 stop14h 40m

Bucharest Otopeni Intl

Sat 10/17

4:05 pm-9:15 pm

1 stop13h 10m

$729

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 8/1

11:20 pm-3:20 pm

1 stop32h 00m

Bucharest Otopeni Intl

Mon 8/31

4:30 am-2:30 pm

1 stop18h 00m

$730

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 8/1

11:20 pm-3:05 am

1 stop19h 45m

Bucharest Otopeni Intl

Sun 8/30

4:05 pm-2:30 pm

1 stop30h 25m

$732

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 11/15

10:30 am-2:10 pm

2 stops19h 40m

Bucharest Otopeni Intl

Wed 11/18

6:00 am-2:25 pm

1 stop16h 25m

$733

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 10/19

8:45 am-6:35 pm

2 stops25h 50m

Bucharest Otopeni Intl

Mon 11/2

4:40 pm-4:20 pm

1 stop31h 40m

$736

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 8/22

11:20 pm-3:20 pm

1 stop32h 00m

Bucharest Otopeni Intl

Sun 9/6

4:05 pm-2:30 pm

1 stop30h 25m

$740

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 11/15

7:15 am-3:50 pm

2 stops24h 35m

Bucharest Otopeni Intl

Wed 11/18

6:30 am-8:10 pm

2 stops21h 40m

$741

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 10/20

10:40 am-12:45 pm

2 stops18h 05m

Bucharest Otopeni Intl

Tue 11/3

6:00 am-9:33 pm

2 stops23h 33m

$743

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 8/16

8:10 pm-8:15 pm

1 stop16h 05m

Bucharest Otopeni Intl

Wed 10/14

3:55 pm-9:40 am

1 stop25h 45m

$744
Quickest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 10/22

7:05 pm-3:20 pm

1 stop12h 15m

Bucharest Otopeni Intl

Thu 11/5

6:30 am-12:40 pm

1 stop14h 10m

$745

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 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 Tuesday is the least expensive day to fly to Bucharest Otopeni Intl Airport. Tickets to fly out on this day can be as low as $853. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Bucharest Otopeni Intl Airport for around $893.

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 $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 Airport flights?

There are 2 cabin classes available to choose from on Chicago to Bucharest Otopeni Intl Airport 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

$435

Fastest flight time

12h 15m

Direct flights

None
The best one-way flight to Bucharest Otopeni Intl Airport from Chicago in the past 72 hours is $435. The best round-trip flight deal from Chicago to Bucharest Otopeni Intl Airport found on momondo in the last 72 hours is $867.
The fastest flight from Chicago to Bucharest Otopeni Intl Airport takes 12h 15m
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

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 12h 15m 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
9,749 reviews
Search United Airlines flights
British AirwaysPriceFrom $440Free CancellationRating
6.7
8,005 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $504Free CancellationRating
7.4
4,393 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $535Free CancellationRating
6.8
8,029 reviews
Search Lufthansa flights
Air SerbiaPriceFrom $537Free CancellationRating
6.1
227 reviews
Search Air Serbia flights
KLMPriceFrom $539Free CancellationRating
7.8
1,521 reviews
Search KLM flights
Air FrancePriceFrom $569Free CancellationRating
7.4
1,591 reviews
Search Air France flights
SWISSPriceFrom $569Free CancellationRating
7.5
1,958 reviews
Search SWISS flights
DeltaPriceFrom $575Free CancellationRating
7.9
8,426 reviews
Search Delta flights
LOTPriceFrom $586Free CancellationRating
7.5
1,194 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?

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.

An easier way to manage your Bucharest Otopeni Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 6/25
Thu 7/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Bucharest