$323+ Cheap flights from O'Hare Intl (ORD) to Otopeni Intl (OTP)
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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OTP
Jun 10 — Jun 171
Round-trip
1 adult, Economy
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Find cheap flights from O'Hare Intl to Otopeni 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 Chicago O'Hare Intl to Bucharest Otopeni Intl are usually found in November or January, booked 70 days in advance, depart on a Sunday or Thursday and return on a Tuesday
Cheap flight deals from O'Hare Intl to Otopeni Intl
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Best
Last-minute
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Cheapest flights from O'Hare Intl to Otopeni IntlExplore the most affordable flight options available from O'Hare Intl to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 11, 2026.
Explore the most affordable flight options available from O'Hare Intl to Otopeni Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 11, 2026.
This Air Serbia deal was found by Cheapflights users on 5/6. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:40 pm
ORD
- OTP
1 stop14h 40m
Air Serbia
Tue 9/154:05 pm
OTP
- ORD
1 stop30h 25m
Air Serbia
Deal found 5/6![Air Serbia logo]()
$679
This Air Serbia deal was found by Cheapflights users on 5/7. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:40 pm
ORD
- OTP
1 stop14h 40m
Air Serbia
Mon 9/144:30 am
OTP
- ORD
1 stop18h 00m
Air Serbia
Deal found 5/7![Air Serbia logo]()
$680
This Air Serbia deal was found by Cheapflights users on 5/6. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:20 pm
ORD
- OTP
1 stop19h 45m
Air Serbia
Sun 9/204:05 pm
OTP
- ORD
1 stop30h 25m
Air Serbia
Deal found 5/6![Air Serbia logo]()
$681
This Air Serbia deal was found by Cheapflights users on 5/7. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:20 pm
ORD
- OTP
1 stop32h 00m
Air Serbia
Sat 9/194:30 am
OTP
- ORD
1 stop24h 45m
Air Serbia
Deal found 5/7![Air Serbia logo]()
$684
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/104:20 pm
ORD
- OTP
1 stop12h 05m
Multiple Airlines
Mon 8/244:10 pm
OTP
- ORD
1 stop28h 25m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$703
This Gotogate deal was found by Cheapflights users on 5/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:50 pm
ORD
- OTP
2 stops21h 50m
Multiple Airlines
Wed 11/186:05 am
OTP
- ORD
1 stop22h 00m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$708
This Gotogate deal was found by Cheapflights users on 5/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:00 pm
ORD
- OTP
2 stops15h 50m
Multiple Airlines
Wed 11/182:50 pm
OTP
- ORD
1 stop13h 15m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$711
This Air Serbia deal was found by Cheapflights users on 5/10. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2911:20 pm
ORD
- OTP
1 stop19h 45m
Air Serbia
Tue 9/14:05 pm
OTP
- ORD
1 stop30h 25m
Air Serbia
Deal found 5/10![Air Serbia logo]()
$713
This Gotogate deal was found by Cheapflights users on 5/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:50 pm
ORD
- OTP
1 stop13h 00m
Multiple Airlines
Wed 11/186:30 am
OTP
- ORD
2 stops21h 05m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$714
This Gotogate deal was found by Cheapflights users on 5/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:40 pm
ORD
- OTP
2 stops18h 55m
Multiple Airlines
Tue 8/256:20 am
OTP
- ORD
1 stop14h 15m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$715
This Gotogate deal was found by Cheapflights users on 5/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:50 pm
ORD
- OTP
1 stop21h 40m
SWISS
Mon 11/234:40 pm
OTP
- ORD
1 stop31h 40m
SWISS
Deal found 5/9![SWISS logo]()
$717
Best flights from O'Hare Intl to Otopeni IntlDiscover carefully curated flight deals from O'Hare Intl to Otopeni Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 11, 2026.
Discover carefully curated flight deals from O'Hare Intl to Otopeni Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 11, 2026.
This Air Serbia deal was found by Cheapflights users on 5/7. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:40 pm
ORD
- OTP
1 stop14h 40m
Air Serbia
Mon 9/144:30 am
OTP
- ORD
1 stop18h 00m
Air Serbia
Deal found 5/7![Air Serbia logo]()
$680
This Delta deal was found by Cheapflights users on 5/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:51 am
ORD
- OTP
2 stops22h 49m
Delta
Sat 8/222:35 pm
OTP
- ORD
1 stop32h 35m
Delta
Deal found 5/7![Delta logo]()
$782
This KLM deal was found by Cheapflights users on 5/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:17 pm
ORD
- OTP
2 stops14h 23m
Multiple Airlines
Thu 8/208:40 am
OTP
- ORD
1 stop14h 30m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$856
This Delta deal was found by Cheapflights users on 5/8. 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.
Wed 8/2610:28 am
ORD
- OTP
2 stops19h 12m
Delta
Wed 9/97:05 am
OTP
- ORD
1 stop15h 25m
Delta
Deal found 5/8![Delta logo]()
$787
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:40 am
ORD
- OTP
2 stops18h 05m
Delta
Wed 9/237:05 am
OTP
- ORD
1 stop15h 25m
Delta
Deal found 5/6![Delta logo]()
$787
This Delta deal was found by Cheapflights users on 5/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:28 am
ORD
- OTP
2 stops19h 12m
Delta
Wed 9/27:05 am
OTP
- ORD
2 stops22h 31m
Delta
Deal found 5/7![Delta logo]()
$796
This Delta deal was found by Cheapflights users on 5/8. 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.
Sun 8/911:26 am
ORD
- OTP
2 stops18h 14m
Delta
Sat 8/226:00 am
OTP
- ORD
2 stops20h 55m
Delta
Deal found 5/8![Delta logo]()
$856
This Delta deal was found by Cheapflights users on 5/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:26 am
ORD
- OTP
2 stops18h 14m
Delta
Mon 9/147:05 am
OTP
- ORD
2 stops22h 31m
Delta
Deal found 5/10![Delta logo]()
$857
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:12 pm
ORD
- OTP
2 stops15h 28m
Delta
Thu 9/177:05 am
OTP
- ORD
2 stops21h 25m
Delta
Deal found 5/6![Delta logo]()
$909
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:28 am
ORD
- OTP
2 stops19h 12m
Delta
Thu 8/202:00 pm
OTP
- ORD
2 stops17h 58m
Delta
Deal found 5/6![Delta logo]()
$950
This Delta deal was found by Cheapflights users on 5/11. 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 7/92:07 pm
ORD
- OTP
2 stops15h 33m
Delta
Thu 9/107:05 am
OTP
- ORD
1 stop15h 10m
Delta
Deal found 5/11![Delta logo]()
$960
Last-minute flights from O'Hare Intl to Otopeni IntlDiscover last-minute flight deals from O'Hare Intl to Otopeni Intl. Data last updated May 11, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Otopeni Intl. Data last updated May 11, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/82:20 pm
ORD
- OTP
1 stop17h 00m
Multiple Airlines
Tue 5/126:35 am
OTP
- ORD
1 stop14h 45m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$778
This Delta deal was found by Cheapflights users on 5/8. 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.
Fri 5/810:24 am
ORD
- OTP
2 stops18h 01m
Delta
Tue 5/127:05 am
OTP
- ORD
1 stop15h 10m
Delta
Deal found 5/8![Delta logo]()
$789
This Gotogate deal was found by Cheapflights users on 5/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/109:40 pm
ORD
- OTP
1 stop19h 30m
Lufthansa
Mon 5/2512:45 pm
OTP
- ORD
1 stop13h 30m
Lufthansa
Deal found 5/8![Lufthansa logo]()
$857
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:30 pm
ORD
- OTP
3 stops57h 45m
Multiple Airlines
Sun 8/169:00 am
OTP
- ORD
Nonstop10h 50m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$792
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/141:20 pm
ORD
- OTP
Nonstop9h 50m
Multiple Airlines
Wed 9/29:10 pm
OTP
- ORD
3 stops28h 40m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$828
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/141:20 pm
ORD
- OTP
Nonstop9h 50m
Multiple Airlines
Tue 9/15:55 pm
OTP
- ORD
3 stops31h 55m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$832
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/181:20 pm
ORD
- OTP
Nonstop9h 50m
HiSky
Thu 9/39:00 am
OTP
- ORD
Nonstop10h 50m
HiSky
Deal found 5/10![HiSky logo]()
$859
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/217:25 pm
ORD
- OTP
3 stops31h 50m
Multiple Airlines
Thu 7/169:00 am
OTP
- ORD
Nonstop10h 50m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$800
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/217:25 pm
ORD
- OTP
3 stops31h 50m
Multiple Airlines
Sun 7/199:00 am
OTP
- ORD
Nonstop10h 50m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$823
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/251:20 pm
ORD
- OTP
Nonstop9h 50m
Multiple Airlines
Wed 9/29:10 pm
OTP
- ORD
3 stops28h 40m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$825
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/251:20 pm
ORD
- OTP
Nonstop9h 50m
Multiple Airlines
Tue 9/15:55 pm
OTP
- ORD
3 stops31h 55m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$830
One-way flights from O'Hare Intl to Otopeni IntlSearch for one-way flight options from O'Hare Intl to Otopeni Intl. Find affordable one-way fares based on user searches. Data last updated May 11, 2026.
Search for one-way flight options from O'Hare Intl to Otopeni Intl. Find affordable one-way fares based on user searches. Data last updated May 11, 2026.
This CrystalTravel deal was found by Cheapflights users on 5/6. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:05 pm
ORD
- OTP
1 stop21h 15m
British Airways
Deal found 5/6![British Airways logo]()
$323
This Cheapflightsfares deal was found by Cheapflights users on 5/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:00 pm
ORD
- OTP
1 stop13h 05m
British Airways
Deal found 5/9![British Airways logo]()
$330
This American Airlines deal was found by Cheapflights users on 5/9. 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.
Sun 8/912:41 pm
ORD
- OTP
2 stops17h 24m
American Airlines
Deal found 5/9![American Airlines logo]()
$337
This Air France deal was found by Cheapflights users on 5/8. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:10 pm
ORD
- OTP
1 stop22h 15m
Air France
Deal found 5/8![Air France logo]()
$340
This United Airlines deal was found by Cheapflights users on 5/8. 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 8/89:30 pm
ORD
- OTP
2 stops30h 30m
United Airlines
Deal found 5/8![United Airlines logo]()
$359
This Cheapflightsfares deal was found by Cheapflights users on 5/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/87:05 pm
ORD
- OTP
1 stop21h 15m
British Airways
Deal found 5/8![British Airways logo]()
$378
This American Airlines deal was found by Cheapflights users on 5/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:40 pm
ORD
- OTP
1 stop20h 40m
American Airlines
Deal found 5/8![American Airlines logo]()
$383
This Booking.com deal was found by Cheapflights users on 5/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:40 pm
ORD
- OTP
1 stop12h 55m
Lufthansa
Deal found 5/10![Lufthansa logo]()
$385
This Delta deal was found by Cheapflights users on 5/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:12 pm
ORD
- OTP
2 stops15h 28m
Delta
Deal found 5/10![Delta logo]()
$395
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 6/237:25 pm
ORD
- OTP
3 stops32h 05m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 5/9. 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.
Sun 9/137:25 pm
ORD
- OTP
3 stops18h 45m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$407
Find flight deals from O'Hare Intl to Otopeni Intl
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Otopeni Intl (OTP). 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 May 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $679 (Air Serbia) |
One-way from | $323 (CrystalTravel) |
Popular in | May |
Cheapest in | November |
Average price | $1,150 |
Good round-trip deal | $824 or less |
Good one-way deal | $443 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl to Otopeni 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 May 11, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoBucharest
ORD - OTP
ORDOTP
Chicago O'Hare Intl
Mon 8/17
4:40 pm-3:20 pm
1 stop14h 40m
Bucharest Otopeni Intl
Mon 9/14
4:30 am-2:30 pm
1 stop18h 00m
$680
ChicagoBucharest
ORD - OTP
ORDOTP
Chicago O'Hare Intl
Sun 8/16
6:51 am-1:40 pm
2 stops22h 49m
Bucharest Otopeni Intl
Sat 8/22
2:35 pm-3:10 pm
1 stop32h 35m
$782
ChicagoBucharest
ORD - OTP
ORDOTP
Chicago O'Hare Intl
Wed 8/26
10:28 am-1:40 pm
2 stops19h 12m
Bucharest Otopeni Intl
Wed 9/9
7:05 am-2:30 pm
1 stop15h 25m
$787
ChicagoBucharest
ORD - OTP
ORDOTP
Chicago O'Hare Intl
Wed 9/9
10:40 am-12:45 pm
2 stops18h 05m
Bucharest Otopeni Intl
Wed 9/23
7:05 am-2:30 pm
1 stop15h 25m
$787
ChicagoBucharest
ORD - OTP
ORDOTP
Chicago O'Hare Intl
Wed 8/26
10:28 am-1:40 pm
2 stops19h 12m
Bucharest Otopeni Intl
Wed 9/2
7:05 am-9:36 pm
2 stops22h 31m
$796
Quickest round-trip
ChicagoBucharest
ORD - OTP
ORDOTP
Chicago O'Hare Intl
Mon 7/20
7:17 pm-5:40 pm
2 stops14h 23m
Bucharest Otopeni Intl
Thu 8/20
8:40 am-3:10 pm
1 stop14h 30m
$856
ChicagoBucharest
ORD - OTP
ORDOTP
Chicago O'Hare Intl
Sun 8/9
11:26 am-1:40 pm
2 stops18h 14m
Bucharest Otopeni Intl
Sat 8/22
6:00 am-6:55 pm
2 stops20h 55m
$856
ChicagoBucharest
ORD - OTP
ORDOTP
Chicago O'Hare Intl
Mon 8/17
11:26 am-1:40 pm
2 stops18h 14m
Bucharest Otopeni Intl
Mon 9/14
7:05 am-9:36 pm
2 stops22h 31m
$857
ChicagoBucharest
ORD - OTP
ORDOTP
Chicago O'Hare Intl
Fri 8/28
2:12 pm-1:40 pm
2 stops15h 28m
Bucharest Otopeni Intl
Thu 9/17
7:05 am-8:30 pm
2 stops21h 25m
$909
ChicagoBucharest
ORD - OTP
ORDOTP
Chicago O'Hare Intl
Mon 7/20
10:28 am-1:40 pm
2 stops19h 12m
Bucharest Otopeni Intl
Thu 8/20
2:00 pm-11:58 pm
2 stops17h 58m
$950
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from O'Hare Intl to Otopeni 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 O'Hare Intl to Otopeni Intl in May.
| 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 Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Bucharest Otopeni Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Bucharest Otopeni Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Bucharest Otopeni Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Bucharest Otopeni 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 Chicago O'Hare Intl Airport-Bucharest Otopeni 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 O'Hare Intl to Otopeni Intl
Have a flexible travel schedule? Discover the best time to fly to Otopeni Intl from O'Hare Intl with our price prediction graph.
ORD-OTP
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 Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport
How far ahead should I book a flight from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport?
Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago O'Hare Intl Airport to Bucharest Otopeni 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 Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport?
Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport (average of $536). Flying from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport in May is currently the most expensive (average of $1,150). 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 Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport?
Reviews of airlines servicing Otopeni Intl
Get insights into the airlines that provide service to Otopeni 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 Otopeni Intl. Reviews last updated May 11, 2026.
Peruse reviews from past customers who have flown with SWISS,LOT, andTurkish Airlines from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.6
Entertainment
6.8
Food
7.1
Boarding
7.7
Comfort
7.4
Crew
8.3
Reviews
1 / 20
10.0
ExcellentThomas,Mar 2026
BOS - ZRH
Overall
7.6
Entertainment
6.8
Food
7.1
Boarding
7.7
Comfort
7.4
Crew
8.3
Reviews
1 / 20
10.0
ExcellentThomas,Mar 2026
BOS - ZRH
Overall
7.6
Entertainment
6.8
Food
7.1
Boarding
7.7
Comfort
7.4
Crew
8.3
Reviews
1 / 20
10.0
ExcellentThomas,Mar 2026
BOS - ZRH
Overall
7.6
Entertainment
6.8
Food
7.1
Boarding
7.7
Comfort
7.4
Crew
8.3
Reviews
1 / 20
10.0
ExcellentThomas,Mar 2026
BOS - ZRH
Overall
7.6
Entertainment
6.8
Food
7.1
Boarding
7.7
Comfort
7.4
Crew
8.3
Reviews
1 / 20
10.0
ExcellentThomas,Mar 2026
BOS - ZRH
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to Otopeni 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 Bucharest Otopeni Intl Airport?
Book flights to Bucharest Otopeni Intl Airport if you plan to visit one of these locationsOtopeni
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O'Hare Intl and Otopeni Intl flights
Browse other O'Hare Intl and Otopeni Intl flight options. Last updated on May 11, 2026.
Other flights from O'Hare Intl
Browse through other flights departing from O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on May 11, 2026.
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Top 10 airlines flying from O'Hare Intl to Otopeni Intl
Discover the top 10 airlines that operate flights from O'Hare Intl to Otopeni 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 May 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$300 | Average$731 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$440 | Average$760 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$443 | Average$535 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$504 | Average$597 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$534 | Average$739 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$537 | Average$747 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$539 | Average$788 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$569 | Average$735 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$575 | Average$992 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$586 | Average$945 | FlexibilityNo cancel fee | On-time81% |