$378+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — ORD
Aug 27 — Sep 31
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
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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 July 28, 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 July 28, 2026.
This Austrian Airlines deal was found by Cheapflights users on 7/27. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:15 pm
OTP
- ORD
2 stops35h 44m
Austrian Airlines
Mon 11/93:45 pm
ORD
- OTP
2 stops18h 40m
Austrian Airlines
Deal found 7/27![Austrian Airlines logo]()
$786
This Travelocity deal was found by Cheapflights users on 7/27. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:20 am
OTP
- ORD
1 stop14h 15m
Multiple Airlines
Sun 11/85:50 pm
ORD
- OTP
2 stops22h 00m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$788
This LOT deal was found by Cheapflights users on 7/27. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/82:35 pm
OTP
- ORD
2 stops56h 30m
LOT
Thu 11/59:50 pm
ORD
- OTP
1 stop11h 50m
LOT
Deal found 7/27![LOT logo]()
$791
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 9/62:35 pm
OTP
- ORD
1 stop13h 15m
LOT
Thu 11/129:50 pm
ORD
- OTP
1 stop11h 50m
LOT
Deal found 7/27![LOT logo]()
$795
This Mytrip deal was found by Cheapflights users on 7/25. 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.
Thu 11/56:00 am
OTP
- ORD
2 stops19h 20m
Multiple Airlines
Tue 11/106:50 pm
ORD
- OTP
1 stop13h 00m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$797
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 10/296:00 am
OTP
- ORD
2 stops19h 20m
Multiple Airlines
Sat 1/27:40 pm
ORD
- OTP
1 stop23h 30m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$798
This SWISS deal was found by Cheapflights users on 7/24. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:20 am
OTP
- ORD
2 stops19h 45m
SWISS
Sun 11/16:50 pm
ORD
- OTP
1 stop21h 40m
SWISS
Deal found 7/24![SWISS logo]()
$799
This United Airlines deal was found by Cheapflights users on 7/25. 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 10/297:10 pm
OTP
- ORD
2 stops34h 19m
United Airlines
Wed 1/68:55 am
ORD
- OTP
2 stops19h 35m
United Airlines
Deal found 7/25![United Airlines logo]()
$800
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Fri 10/3010:35 pm
OTP
- ORD
2 stops26h 45m
Multiple Airlines
Sat 1/24:20 pm
ORD
- OTP
1 stop13h 35m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$801
This Mytrip deal was found by Cheapflights users on 7/24. 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 9/71:10 pm
OTP
- ORD
2 stops28h 30m
Multiple Airlines
Mon 9/1411:25 am
ORD
- OTP
2 stops23h 15m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$802
This LOT deal was found by Cheapflights users on 7/25. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:30 pm
OTP
- ORD
1 stop33h 20m
LOT
Sat 10/179:50 pm
ORD
- OTP
1 stop17h 25m
LOT
Deal found 7/25![LOT logo]()
$803
This KLM deal was found by Cheapflights users on 7/23. 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.
Wed 12/162:00 pm
OTP
- ORD
2 stops17h 50m
KLM
Tue 1/121:30 pm
ORD
- OTP
2 stops15h 30m
KLM
Deal found 7/23![KLM logo]()
$804
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 July 28, 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 July 28, 2026.
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Tue 9/81:50 pm
OTP
- ORD
2 stops30h 45m
United Airlines
Tue 11/106:15 am
ORD
- OTP
2 stops22h 15m
United Airlines
Deal found 7/27![United Airlines logo]()
$793
This Delta deal was found by Cheapflights users on 7/27. 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.
Fri 9/117:05 am
OTP
- ORD
2 stops18h 56m
Delta
Thu 9/2410:25 am
ORD
- OTP
2 stops18h 20m
Delta
Deal found 7/27![Delta logo]()
$821
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Tue 9/81:50 pm
OTP
- ORD
2 stops30h 45m
United Airlines
Thu 11/128:50 am
ORD
- OTP
2 stops19h 40m
United Airlines
Deal found 7/27![United Airlines logo]()
$793
This Delta deal was found by Cheapflights users on 7/25. 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 stops19h 21m
Delta
Thu 10/2911:19 am
ORD
- OTP
2 stops19h 51m
Delta
Deal found 7/25![Delta logo]()
$821
This United Airlines deal was found by Cheapflights users on 7/27. 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 9/51:55 pm
OTP
- ORD
2 stops29h 01m
United Airlines
Thu 11/124:20 pm
ORD
- OTP
1 stop12h 10m
United Airlines
Deal found 7/27![United Airlines logo]()
$818
This Delta deal was found by Cheapflights users on 7/24. 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 9/177:05 am
OTP
- ORD
2 stops22h 32m
Delta
Wed 9/3010:25 am
ORD
- OTP
2 stops18h 20m
Delta
Deal found 7/24![Delta logo]()
$823
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Fri 9/111:45 pm
OTP
- ORD
1 stop14h 10m
United Airlines
Sat 11/74:20 pm
ORD
- OTP
1 stop12h 10m
United Airlines
Deal found 7/23![United Airlines logo]()
$819
This Delta deal was found by Cheapflights users on 7/23. 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.
Mon 11/236:00 am
OTP
- ORD
1 stop16h 25m
Delta
Mon 12/141:35 pm
ORD
- OTP
2 stops19h 25m
Delta
Deal found 7/23![Delta logo]()
$823
This Delta deal was found by Cheapflights users on 7/26. 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.
Mon 9/287:05 am
OTP
- ORD
2 stops20h 28m
Delta
Wed 10/211:50 pm
ORD
- OTP
2 stops15h 10m
Delta
Deal found 7/26![Delta logo]()
$826
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Mon 11/27:10 pm
OTP
- ORD
2 stops33h 30m
United Airlines
Thu 12/317:00 am
ORD
- OTP
2 stops21h 30m
United Airlines
Deal found 7/25![United Airlines logo]()
$828
This Delta deal was found by Cheapflights users on 7/26. 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 9/297:05 am
OTP
- ORD
2 stops17h 08m
Delta
Wed 10/211:55 pm
ORD
- OTP
2 stops19h 25m
Delta
Deal found 7/26![Delta logo]()
$826
This Delta deal was found by Cheapflights users on 7/25. 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 11/176:00 am
OTP
- ORD
2 stops19h 20m
Delta
Thu 12/104:25 pm
ORD
- OTP
1 stop12h 35m
Delta
Deal found 7/25![Delta logo]()
$826
Last-minute flights from Otopeni Intl to O'Hare IntlDiscover last-minute flight deals from Otopeni Intl to O'Hare Intl. Data last updated July 28, 2026 and is based on user searches.
Discover last-minute flight deals from Otopeni Intl to O'Hare Intl. Data last updated July 28, 2026 and is based on user searches.
This SWISS deal was found by Cheapflights users on 7/27. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:10 pm
OTP
- ORD
1 stop28h 25m
SWISS
Tue 11/174:10 pm
ORD
- OTP
1 stop15h 40m
SWISS
Deal found 7/27![SWISS logo]()
$818
This United Airlines deal was found by Cheapflights users on 7/26. 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 8/191:45 pm
OTP
- ORD
2 stops17h 55m
United Airlines
Mon 12/79:50 pm
ORD
- OTP
1 stop12h 45m
United Airlines
Deal found 7/26![United Airlines logo]()
$819
This United Airlines deal was found by Cheapflights users on 7/26. 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 8/191:45 pm
OTP
- ORD
2 stops25h 45m
United Airlines
Sat 12/127:45 pm
ORD
- OTP
2 stops32h 45m
United Airlines
Deal found 7/26![United Airlines logo]()
$823
This oojo deal was found by Cheapflights users on 7/27. 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 8/196:30 pm
OTP
- ORD
2 stops28h 35m
LOT
Thu 9/105:10 pm
ORD
- OTP
1 stop24h 40m
LOT
Deal found 7/27![LOT logo]()
$827
This United Airlines deal was found by Cheapflights users on 7/24. 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
2 stops20h 25m
United Airlines
Wed 9/21:55 pm
ORD
- OTP
2 stops20h 40m
United Airlines
Deal found 7/24![United Airlines logo]()
$821
This United Airlines deal was found by Cheapflights users on 7/24. 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
2 stops25h 21m
United Airlines
Thu 9/36:30 pm
ORD
- OTP
1 stop20h 50m
United Airlines
Deal found 7/24![United Airlines logo]()
$822
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Mon 8/241:50 pm
OTP
- ORD
1 stop14h 05m
United Airlines
Mon 8/311:55 pm
ORD
- OTP
2 stops20h 40m
United Airlines
Deal found 7/24![United Airlines logo]()
$815
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Mon 8/241:50 pm
OTP
- ORD
1 stop14h 05m
United Airlines
Sun 8/306:30 pm
ORD
- OTP
1 stop21h 10m
United Airlines
Deal found 7/24![United Airlines logo]()
$816
This Gotogate deal was found by Cheapflights users on 7/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:30 pm
OTP
- ORD
2 stops28h 35m
LOT
Tue 9/159:50 pm
ORD
- OTP
1 stop20h 00m
LOT
Deal found 7/25![LOT logo]()
$812
This Gotogate deal was found by Cheapflights users on 7/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:20 am
OTP
- ORD
1 stop14h 50m
LOT
Tue 9/155:10 pm
ORD
- OTP
2 stops16h 35m
LOT
Deal found 7/25![LOT logo]()
$808
This LOT deal was found by Cheapflights users on 7/25. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:35 pm
OTP
- ORD
1 stop13h 15m
LOT
Sat 9/199:50 pm
ORD
- OTP
1 stop20h 00m
LOT
Deal found 7/25![LOT logo]()
$803
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 July 28, 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 July 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 10/176:05 pm
OTP
- ORD
3 stops31h 45m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 9/167:20 pm
OTP
- ORD
3 stops30h 30m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$402
This deal was found by Cheapflights users on 7/27. 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.
Sat 10/174:05 pm
OTP
- ORD
1 stop13h 10m
Air Serbia
Deal found 7/27![Air Serbia logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 9/85:55 pm
OTP
- ORD
3 stops33h 20m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$472
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Wed 9/168:15 am
OTP
- ORD
1 stop14h 40m
American Airlines
Deal found 7/24![American Airlines logo]()
$525
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 8/279:00 pm
OTP
- ORD
3 stops27h 00m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$531
This British Airways deal was found by Cheapflights users on 7/26. 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.
Fri 9/188:15 am
OTP
- ORD
1 stop15h 40m
British Airways
Deal found 7/26![British Airways logo]()
$565
This Super.com deal was found by Cheapflights users on 7/24. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:05 pm
OTP
- ORD
1 stop30h 25m
Air Serbia
Deal found 7/24![Air Serbia logo]()
$569
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 July 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $786 (Austrian Airlines) |
One-way from | $378 (Kiwi.com) |
Popular in | November |
Cheapest in | February |
Average price | $872 |
Good round-trip deal | $868 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 July 28, 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 9/8
1:50 pm-12:35 pm
2 stops30h 45m
Chicago O'Hare Intl
Tue 11/10
6:15 am-12:30 pm
2 stops22h 15m
$793
BucharestChicago
OTP - ORD
OTPORD
Bucharest Otopeni Intl
Tue 9/8
1:50 pm-12:35 pm
2 stops30h 45m
Chicago O'Hare Intl
Thu 11/12
8:50 am-12:30 pm
2 stops19h 40m
$793
BucharestChicago
OTP - ORD
OTPORD
Bucharest Otopeni Intl
Sat 9/5
1:55 pm-10:56 am
2 stops29h 01m
Chicago O'Hare Intl
Thu 11/12
4:20 pm-12:30 pm
1 stop12h 10m
$818
Quickest round-trip
BucharestChicago
OTP - ORD
OTPORD
Bucharest Otopeni Intl
Fri 9/11
1:45 pm-7:55 pm
1 stop14h 10m
Chicago O'Hare Intl
Sat 11/7
4:20 pm-12:30 pm
1 stop12h 10m
$819
BucharestChicago
OTP - ORD
OTPORD
Bucharest Otopeni Intl
Fri 9/11
7:05 am-6:01 pm
2 stops18h 56m
Chicago O'Hare Intl
Thu 9/24
10:25 am-12:45 pm
2 stops18h 20m
$821
BucharestChicago
OTP - ORD
OTPORD
Bucharest Otopeni Intl
Thu 10/15
7:05 am-6:26 pm
2 stops19h 21m
Chicago O'Hare Intl
Thu 10/29
11:19 am-2:10 pm
2 stops19h 51m
$821
BucharestChicago
OTP - ORD
OTPORD
Bucharest Otopeni Intl
Thu 9/17
7:05 am-9:37 pm
2 stops22h 32m
Chicago O'Hare Intl
Wed 9/30
10:25 am-12:45 pm
2 stops18h 20m
$823
BucharestChicago
OTP - ORD
OTPORD
Bucharest Otopeni Intl
Mon 11/23
6:00 am-2:25 pm
1 stop16h 25m
Chicago O'Hare Intl
Mon 12/14
1:35 pm-5:00 pm
2 stops19h 25m
$823
BucharestChicago
OTP - ORD
OTPORD
Bucharest Otopeni Intl
Mon 9/28
7:05 am-7:33 pm
2 stops20h 28m
Chicago O'Hare Intl
Wed 10/21
1:50 pm-1:00 pm
2 stops15h 10m
$826
BucharestChicago
OTP - ORD
OTPORD
Bucharest Otopeni Intl
Tue 9/29
7:05 am-4:13 pm
2 stops17h 08m
Chicago O'Hare Intl
Wed 10/21
1:55 pm-5:20 pm
2 stops19h 25m
$826
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 July.
| 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 Accuracy3 stars | Trust Score*2 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
Prices
More
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 $660). Flying from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport in November is currently the most expensive (average of $1,125). 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?
Airfare is below average for this route at the moment.
Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport flights typically cost between $843 and $1,148 in September.The cheapest round-trip price found within the last 5 days was $786 on Austrian Airlines (Sep 5-Nov 9).
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 July 28, 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.
Boarding
7.8
Entertainment
7.2
Comfort
7.7
Crew
8.4
Food
7.3
Overall
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Boarding
7.8
Entertainment
7.2
Comfort
7.7
Crew
8.4
Food
7.3
Overall
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Boarding
7.8
Entertainment
7.2
Comfort
7.7
Crew
8.4
Food
7.3
Overall
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Boarding
7.8
Entertainment
7.2
Comfort
7.7
Crew
8.4
Food
7.3
Overall
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Boarding
7.8
Entertainment
7.2
Comfort
7.7
Crew
8.4
Food
7.3
Overall
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - ATL
Boarding
7.8
Entertainment
7.2
Comfort
7.7
Crew
8.4
Food
7.3
Overall
7.8
Reviews
1 / 20
4.0
OkaySubhash,Jul 2026
CDG - 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
Oak Brook
Delavan
Oakbrook Terrace
Gurnee
South Holland
Libertyville
Orland Park
Hoffman Estates
Beloit
Downers Grove
Rockford
Aurora
Racine
Great Lakes
Janesville
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Otopeni Intl and O'Hare Intl flights
Browse other Otopeni Intl and O'Hare Intl flight options. Last updated on July 28, 2026.
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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 July 28, 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$779 | 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% |