$396+ Cheap flights from Otopeni Intl (OTP) to O'Hare Intl (ORD)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — ORD
Jul 10 — Jul 171
Round-trip
1 adult, Economy
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Find cheap flights from Otopeni Intl to O'Hare Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Bucharest Otopeni Intl to Chicago O'Hare Intl are usually found in February or March, booked 18 days in advance, depart on a Tuesday or Monday and return on a Tuesday
Cheap flight deals from Otopeni Intl to O'Hare Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Otopeni Intl to O'Hare IntlExplore the most affordable flight options available from Otopeni Intl to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
Explore the most affordable flight options available from Otopeni Intl to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
This oojo deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/162:35 pm
OTP
- ORD
1 stop13h 20m
LOT
Tue 1/129:50 pm
ORD
- OTP
1 stop19h 55m
LOT
Deal found 6/7![LOT logo]()
$753
This British Airways deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:10 pm
OTP
- ORD
1 stop27h 40m
British Airways
Tue 10/204:01 pm
ORD
- OTP
2 stops15h 24m
British Airways
Deal found 6/7![British Airways logo]()
$756
This Iberia deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/298:15 am
OTP
- ORD
2 stops20h 04m
Multiple Airlines
Tue 10/202:55 pm
ORD
- OTP
2 stops16h 30m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$761
This British Airways deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:15 am
OTP
- ORD
2 stops20h 45m
British Airways
Thu 10/299:40 pm
ORD
- OTP
1 stop19h 05m
British Airways
Deal found 6/6![British Airways logo]()
$765
This Iberia deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/168:05 am
OTP
- ORD
2 stops19h 34m
Multiple Airlines
Tue 1/125:10 pm
ORD
- OTP
1 stop13h 35m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$767
This deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:15 am
OTP
- ORD
1 stop18h 00m
British Airways
Tue 8/115:00 pm
ORD
- OTP
1 stop14h 25m
British Airways
Deal found 6/6![British Airways logo]()
$781
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/278:00 am
OTP
- ORD
1 stop18h 45m
American Airlines
Wed 12/29:45 pm
ORD
- OTP
1 stop17h 45m
American Airlines
Deal found 6/9![American Airlines logo]()
$789
This Mytrip deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:40 am
OTP
- ORD
2 stops21h 45m
Multiple Airlines
Sat 9/57:25 pm
ORD
- OTP
2 stops22h 10m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$793
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:05 am
OTP
- ORD
1 stop15h 10m
Delta
Thu 10/2910:40 am
ORD
- OTP
2 stops20h 30m
Delta
Deal found 6/8![Delta logo]()
$795
Best flights from Otopeni Intl to O'Hare IntlDiscover carefully curated flight deals from Otopeni Intl to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
Discover carefully curated flight deals from Otopeni Intl to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
This British Airways deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:10 pm
OTP
- ORD
1 stop26h 20m
British Airways
Tue 10/204:01 pm
ORD
- OTP
2 stops15h 24m
British Airways
Deal found 6/5![British Airways logo]()
$762
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:05 am
OTP
- ORD
2 stops22h 59m
Delta
Thu 10/2910:40 am
ORD
- OTP
2 stops20h 30m
Delta
Deal found 6/9![Delta logo]()
$801
This KLM deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/184:50 pm
OTP
- ORD
1 stop29h 40m
Multiple Airlines
Wed 9/95:10 pm
ORD
- OTP
1 stop22h 15m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$826
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/186:15 am
OTP
- ORD
2 stops33h 43m
United Airlines
Mon 8/1712:56 pm
ORD
- OTP
2 stops15h 04m
United Airlines
Deal found 6/8![United Airlines logo]()
$835
This Lufthansa deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:15 am
OTP
- ORD
1 stop14h 20m
Multiple Airlines
Mon 8/247:05 pm
ORD
- OTP
1 stop12h 15m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$827
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:00 pm
OTP
- ORD
2 stops18h 02m
Delta
Fri 9/1111:10 am
ORD
- OTP
2 stops17h 15m
Delta
Deal found 6/5![Delta logo]()
$832
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:15 am
OTP
- ORD
2 stops21h 40m
United Airlines
Wed 9/26:00 pm
ORD
- OTP
1 stop16h 35m
United Airlines
Deal found 6/8![United Airlines logo]()
$841
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/26:05 am
OTP
- ORD
1 stop12h 55m
United Airlines
Thu 9/1010:30 pm
ORD
- OTP
1 stop16h 50m
United Airlines
Deal found 6/8![United Airlines logo]()
$847
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:05 am
OTP
- ORD
1 stop14h 50m
United Airlines
Wed 9/23:10 pm
ORD
- OTP
1 stop13h 40m
United Airlines
Deal found 6/8![United Airlines logo]()
$847
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/96:05 am
OTP
- ORD
2 stops33h 37m
United Airlines
Thu 7/163:10 pm
ORD
- OTP
2 stops19h 25m
United Airlines
Deal found 6/9![United Airlines logo]()
$848
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:15 am
OTP
- ORD
2 stops16h 40m
United Airlines
Thu 9/104:20 pm
ORD
- OTP
1 stop12h 05m
United Airlines
Deal found 6/5![United Airlines logo]()
$851
Last-minute flights from Otopeni Intl to O'Hare IntlDiscover last-minute flight deals from Otopeni Intl to O'Hare Intl. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Otopeni Intl to O'Hare Intl. Data last updated June 10, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/158:20 pm
OTP
- ORD
1 stop24h 50m
Multiple Airlines
Sun 6/283:00 pm
ORD
- OTP
1 stop13h 55m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$798
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/154:30 am
OTP
- ORD
1 stop18h 00m
Air Serbia
Wed 8/54:40 pm
ORD
- OTP
1 stop14h 40m
Air Serbia
Deal found 6/9![Air Serbia logo]()
$853
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/168:15 am
OTP
- ORD
1 stop14h 45m
American Airlines
Wed 8/510:30 pm
ORD
- OTP
1 stop17h 50m
American Airlines
Deal found 6/10![American Airlines logo]()
$817
This KLM deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/164:50 pm
OTP
- ORD
1 stop29h 40m
Multiple Airlines
Mon 9/285:10 pm
ORD
- OTP
1 stop21h 25m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$832
This KLM deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/162:00 pm
OTP
- ORD
1 stop32h 30m
KLM
Mon 9/287:17 pm
ORD
- OTP
2 stops14h 03m
KLM
Deal found 6/9![KLM logo]()
$842
This BusinessClass deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/168:15 am
OTP
- ORD
1 stop14h 45m
British Airways
Thu 8/66:15 pm
ORD
- OTP
1 stop12h 25m
British Airways
Deal found 6/9![British Airways logo]()
$859
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/167:05 am
OTP
- ORD
2 stops22h 20m
Delta
Sun 9/274:20 pm
ORD
- OTP
1 stop17h 00m
Delta
Deal found 6/9![Delta logo]()
$865
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/172:00 pm
OTP
- ORD
1 stop32h 15m
Delta
Mon 9/2810:25 am
ORD
- OTP
2 stops18h 20m
Delta
Deal found 6/9![Delta logo]()
$855
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/172:00 pm
OTP
- ORD
1 stop32h 15m
Delta
Sun 9/274:20 pm
ORD
- OTP
1 stop12h 40m
Delta
Deal found 6/9![Delta logo]()
$860
One-way flights from Otopeni Intl to O'Hare IntlSearch for one-way flight options from Otopeni Intl to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
Search for one-way flight options from Otopeni Intl to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:25 pm
OTP
- ORD
3 stops35h 25m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:55 pm
OTP
- ORD
3 stops31h 55m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:05 pm
OTP
- ORD
3 stops31h 45m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/23:10 pm
OTP
- ORD
2 stops34h 40m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:35 pm
OTP
- ORD
3 stops26h 15m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:20 am
OTP
- ORD
3 stops19h 55m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/275:05 pm
OTP
- ORD
2 stops32h 45m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/313:10 pm
OTP
- ORD
2 stops34h 40m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$448
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1610:00 pm
OTP
- ORD
3 stops46h 40m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$450
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/234:05 pm
OTP
- ORD
1 stop30h 25m
Air Serbia
Deal found 6/6![Air Serbia logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/171:45 pm
OTP
- ORD
3 stops30h 55m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$460
Find flight deals from Otopeni Intl to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Otopeni Intl (OTP) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $756 (British Airways) |
One-way from | $396 (Kiwi.com) |
Popular in | August |
Cheapest in | February |
Average price | $829 |
Good round-trip deal | $868 or less |
Good one-way deal | $447 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Otopeni Intl to O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated June 10, 2026.
Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BucharestChicago
OTP - ORD
OTPORD
Bucharest Otopeni Intl
Tue 9/29
6:10 pm-12:30 pm
1 stop26h 20m
Chicago O'Hare Intl
Tue 10/20
4:01 pm-3:25 pm
2 stops15h 24m
$762
BucharestChicago
OTP - ORD
OTPORD
Bucharest Otopeni Intl
Thu 10/15
7:05 am-10:04 pm
2 stops22h 59m
Chicago O'Hare Intl
Thu 10/29
10:40 am-2:10 pm
2 stops20h 30m
$801
BucharestChicago
OTP - ORD
OTPORD
Bucharest Otopeni Intl
Tue 8/18
4:50 pm-2:30 pm
1 stop29h 40m
Chicago O'Hare Intl
Wed 9/9
5:10 pm-11:25 pm
1 stop22h 15m
$826
Quickest round-trip
BucharestChicago
OTP - ORD
OTPORD
Bucharest Otopeni Intl
Mon 8/17
6:15 am-12:35 pm
1 stop14h 20m
Chicago O'Hare Intl
Mon 8/24
7:05 pm-3:20 pm
1 stop12h 15m
$827
BucharestChicago
OTP - ORD
OTPORD
Bucharest Otopeni Intl
Thu 8/20
2:00 pm-12:02 am
2 stops18h 02m
Chicago O'Hare Intl
Fri 9/11
11:10 am-12:25 pm
2 stops17h 15m
$832
BucharestChicago
OTP - ORD
OTPORD
Bucharest Otopeni Intl
Sat 7/18
6:15 am-7:58 am
2 stops33h 43m
Chicago O'Hare Intl
Mon 8/17
12:56 pm-12:00 pm
2 stops15h 04m
$835
BucharestChicago
OTP - ORD
OTPORD
Bucharest Otopeni Intl
Thu 8/27
6:15 am-7:55 pm
2 stops21h 40m
Chicago O'Hare Intl
Wed 9/2
6:00 pm-6:35 pm
1 stop16h 35m
$841
BucharestChicago
OTP - ORD
OTPORD
Bucharest Otopeni Intl
Thu 7/2
6:05 am-11:00 am
1 stop12h 55m
Chicago O'Hare Intl
Thu 9/10
10:30 pm-11:20 pm
1 stop16h 50m
$847
BucharestChicago
OTP - ORD
OTPORD
Bucharest Otopeni Intl
Sat 8/22
6:05 am-12:55 pm
1 stop14h 50m
Chicago O'Hare Intl
Wed 9/2
3:10 pm-12:50 pm
1 stop13h 40m
$847
BucharestChicago
OTP - ORD
OTPORD
Bucharest Otopeni Intl
Thu 7/9
6:05 am-7:42 am
2 stops33h 37m
Chicago O'Hare Intl
Thu 7/16
3:10 pm-6:35 pm
2 stops19h 25m
$848
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Otopeni Intl to O'Hare Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Otopeni Intl to O'Hare Intl in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Bucharest Otopeni Intl Airport-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bucharest Otopeni Intl Airport-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bucharest Otopeni Intl Airport-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Bucharest Otopeni Intl Airport-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bucharest Otopeni Intl Airport-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Otopeni Intl to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Otopeni Intl with our price prediction graph.
OTP-ORD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport
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How far ahead should I book a flight from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport?
Booking 17 days in advance of your planned departure date is, on average, the best time to get cheap flights from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport (average of $659). Flying from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport in August is currently the most expensive (average of $898). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport?
What’s the top layover airport for flights from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport?
Share of 1-stop round-trip flights from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Istanbul (IST) – chosen by Cheapflights users on 36% of 1-stop itineraries from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport on Cheapflights.
What’s the cheapest layover airport for flights from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport?
Average round-trip fare for 1-stop flights from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Zurich (ZRH) is the most affordable 1-stop option, with an average round-trip price of $606.
What’s the fastest layover option from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport?
Shortest average travel time for 1-stop one-way flights from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Munich (MUC) have the shortest average one-way travel time for 1-stop routes: 13h 20m.
Which airport typically offers the quickest layover for flights from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport?
Average layover duration for 1-stop one-way flights from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Munich (MUC) offer the fastest connection on this route, with an average layover time of 1h 35m.
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated June 10, 2026.
Read through reviews of airlines operating flights from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport, such as KLM,LOT, andTurkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.3
Boarding
7.8
Crew
8.4
Comfort
7.7
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Boarding
7.8
Crew
8.4
Comfort
7.7
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Boarding
7.8
Crew
8.4
Comfort
7.7
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Boarding
7.8
Crew
8.4
Comfort
7.7
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Boarding
7.8
Crew
8.4
Comfort
7.7
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Food
7.3
Boarding
7.8
Crew
8.4
Comfort
7.7
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Related info for your journey
Find useful and relevant information for your journey from Otopeni Intl to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Schaumburg
Naperville
Lake Geneva
Gurnee
Delavan
Oakbrook Terrace
Downers Grove
Des Plaines
Hoffman Estates
Oak Brook
South Holland
Libertyville
Warrenville
Rockford
Great Lakes
Northbrook
Waukegan
Elk Grove Village
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Top 7 airlines flying from Otopeni Intl to O'Hare Intl
Discover the top 7 airlines that operate flights from Otopeni Intl to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$426 | Average$862 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$603 | Average$821 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$608 | Average$735 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$620 | Average$774 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$654 | Average$812 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$657 | Average$838 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$660 | Average$821 | FlexibilityNo cancel fee | On-time70% |