Cheap flights from Chicago to Bucharest from $321
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 2/9. 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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Not ready to book? to track prices.Air Serbia flights from Chicago to Bucharest Otopeni Intl Airport
Our best Air Serbia deals on Chicago to Bucharest Otopeni Intl Airport flight tickets
Turkish Airlines flights from Chicago to Bucharest Otopeni Intl Airport
Our best Turkish Airlines deals on Chicago to Bucharest Otopeni Intl Airport flight tickets
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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
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Wed 11/4
7:10 pm-1:50 pm
3 stops34h 40m
Bucharest Otopeni Intl
Wed 11/11
2:35 pm-4:45 pm
3 stops34h 10m
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Sat 10/31
5:30 pm-3:10 am
1 stop26h 40m
Bucharest Otopeni Intl
Thu 11/12
4:05 pm-2:45 pm
1 stop30h 40m
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Sat 10/31
5:30 pm-3:05 pm
1 stop14h 35m
Bucharest Otopeni Intl
Thu 11/12
4:30 am-2:45 pm
1 stop18h 15m
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Mon 2/8
9:50 pm-1:50 pm
1 stop32h 00m
Bucharest Otopeni Intl
Mon 2/22
6:30 pm-7:55 pm
1 stop33h 25m
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Tue 11/10
8:15 pm-8:15 pm
1 stop16h 00m
Bucharest Otopeni Intl
Tue 11/17
10:10 am-6:20 pm
1 stop16h 10m
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Wed 2/10
6:50 pm-3:50 pm
1 stop13h 00m
Bucharest Otopeni Intl
Wed 2/24
4:40 pm-4:15 pm
1 stop31h 35m
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Tue 2/9
6:50 pm-3:50 pm
1 stop13h 00m
Bucharest Otopeni Intl
Tue 2/23
4:40 pm-4:15 pm
1 stop31h 35m
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Thu 2/4
8:15 pm-8:15 pm
1 stop16h 00m
Bucharest Otopeni Intl
Thu 2/18
10:00 am-6:20 pm
1 stop16h 20m
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Wed 11/4
7:10 pm-1:50 pm
3 stops34h 40m
Bucharest Otopeni Intl
Tue 11/10
6:30 pm-4:45 pm
3 stops30h 15m
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Mon 3/8
9:50 pm-11:25 pm
1 stop17h 35m
Bucharest Otopeni Intl
Mon 3/22
6:30 pm-8:55 pm
1 stop33h 25m
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?
Prices are currently low for flights on this route.
Typical prices usually range from $724 to $986.The lowest price recently found on this route was $661.
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 $575.
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 $816 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 3 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 24% on your flight if you consider stops on a Chicago to Bucharest Otopeni Intl Airport flight.
Which airport is the most popular layover for flights between Chicago and Bucharest Otopeni Intl Airport?
Istanbul (IST) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Chicago to Bucharest Otopeni Intl Airport?
Flights via Istanbul (IST) offer the lowest average round-trip price of $666.
Which layover airport has the shortest travel time from Chicago to Bucharest Otopeni Intl Airport?
Flights connecting via Warsaw (WAW) have the shortest average one-way travel time: 11h 45m.
Which layover airport has the shortest connection time from Chicago to Bucharest Otopeni Intl Airport?
Warsaw (WAW) has the shortest average layover time for this route: 1h 08m.
When to book flights from Chicago to Bucharest Otopeni Intl Airport
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
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?
As of October 2026, there are 12 operators available to choose from 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?
momondo data reveals that the most frequently booked plane model on the route from Chicago to Bucharest Otopeni Intl Airport is Airbus A330, representing 70.00% of all bookings. The subsequent popular model is Airbus A330-200 at 30.00%.
What is the most popular airline from Chicago to Bucharest Otopeni Intl Airport?
Based on momondo bookings for flights between Chicago and Bucharest Otopeni Intl Airport, the leading airline is Turkish Airlines, making up 24% of the total bookings. Other popular airlines include Lufthansa with 22%, KLM with 13%, and HiSky with 12%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $300 | Free Cancellation | Rating 7.4 10,332 reviews | |||
| PriceFrom $418 | Free Cancellation | Rating 6.7 8,255 reviews | |||
| PriceFrom $503 | Free Cancellation | Rating 7.4 4,457 reviews | |||
| PriceFrom $510 | Free Cancellation | Rating 7.5 1,650 reviews | |||
| PriceFrom $543 | Free Cancellation | Rating 7.8 1,582 reviews | |||
| PriceFrom $559 | Free Cancellation | Rating 6.8 8,269 reviews | |||
| PriceFrom $569 | Free Cancellation | Rating 7.5 2,098 reviews | |||
| PriceFrom $575 | Free Cancellation | Rating 7.8 8,652 reviews | |||
| PriceFrom $582 | Free Cancellation | Rating 6.1 240 reviews | |||
| PriceFrom $688 | Free Cancellation | Rating 7.0 12,152 reviews |
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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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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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