$297+ Cheap flights from O'Hare Intl (ORD) to Bucharest (BUH)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BUH
Oct 7 — Oct 141
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from O'Hare Intl to Bucharest 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 are usually found in February or January, booked 21 days in advance, depart on a Tuesday or Sunday and return on a Tuesday
Cheap flight deals from O'Hare Intl to Bucharest
Cheapest
Best
Last-minute
One-way
Cheapest flights from O'Hare Intl to BucharestExplore the most affordable flight options available from O'Hare Intl to Bucharest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
Explore the most affordable flight options available from O'Hare Intl to Bucharest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:10 pm -
1 stop16h 05m
Mon 10/199:35 pm -
1 stop20h 05m
Deal found 9/2![Turkish Airlines logo]()
$740
This LOT deal was found by Cheapflights users on 9/5. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:50 pm -
1 stop17h 35m
Thu 11/122:35 pm -
1 stop13h 20m
Deal found 9/5![LOT logo]()
$741
This Mytrip deal was found by Cheapflights users on 9/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:30 pm -
3 stops31h 50m
Mon 11/94:05 pm -
3 stops33h 15m
Deal found 9/5![Multiple Airlines logo]()
$742
This Booking.com deal was found by Cheapflights users on 9/3. 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.
Mon 9/288:10 pm -
1 stop31h 50m
Wed 10/145:05 pm -
2 stops24h 35m
Deal found 9/3![Turkish Airlines logo]()
$743
This Turkish Airlines deal was found by Cheapflights users on 9/3. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:10 pm -
2 stops26h 30m
Tue 10/279:10 pm -
1 stop20h 50m
Deal found 9/3![Turkish Airlines logo]()
$744
This Expedia deal was found by Cheapflights users on 9/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:05 am -
2 stops24h 45m
Mon 12/217:15 pm -
2 stops25h 55m
Deal found 9/1![Multiple Airlines logo]()
$745
This FlightHub deal was found by Cheapflights users on 9/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:10 pm -
1 stop20h 30m
Wed 10/1412:40 pm -
2 stops29h 00m
Deal found 9/2![Turkish Airlines logo]()
$746
This Air Serbia deal was found by Cheapflights users on 9/2. 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 12/3011:55 pm -
1 stop31h 25m
Thu 1/74:30 am -
1 stop18h 15m
Deal found 9/2![Air Serbia logo]()
$749
This Turkish Airlines deal was found by Cheapflights users on 9/4. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:10 pm -
1 stop34h 25m
Thu 10/159:35 pm -
1 stop20h 05m
Deal found 9/4![Turkish Airlines logo]()
$750
This Booking.com deal was found by Cheapflights users on 9/1. 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.
Mon 11/3010:15 am -
2 stops21h 35m
Mon 12/147:15 pm -
1 stop31h 10m
Deal found 9/1![Multiple Airlines logo]()
$751
This Gotogate deal was found by Cheapflights users on 9/4. 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 11/26:50 pm -
1 stop22h 25m
Tue 11/106:00 am -
2 stops16h 52m
Deal found 9/4![Multiple Airlines logo]()
$752
This FlightHub deal was found by Cheapflights users on 9/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:10 pm -
1 stop28h 00m
Sun 10/189:35 pm -
1 stop20h 05m
Deal found 9/2![Turkish Airlines logo]()
$753
Best flights from O'Hare Intl to BucharestDiscover carefully curated flight deals from O'Hare Intl to Bucharest that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from O'Hare Intl to Bucharest that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This Turkish Airlines deal was found by Cheapflights users on 9/3. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:10 pm -
1 stop16h 05m
Tue 10/139:30 am -
1 stop16h 45m
Deal found 9/3![Turkish Airlines logo]()
$750
This Air Serbia deal was found by Cheapflights users on 9/5. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:20 pm -
1 stop19h 45m
Sat 10/174:05 pm -
1 stop13h 10m
Deal found 9/5![Air Serbia logo]()
$758
This United Airlines deal was found by Cheapflights users on 9/4. 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 11/26:05 pm -
2 stops16h 25m
Tue 11/106:00 am -
2 stops16h 52m
Deal found 9/4![United Airlines logo]()
$791
This Delta deal was found by Cheapflights users on 9/3. 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 11/226:00 pm -
2 stops21h 15m
Mon 11/303:10 pm -
1 stop33h 05m
Deal found 9/3![Delta logo]()
$863
This Scandinavian Airlines deal was found by Cheapflights users on 9/4. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:15 pm -
2 stops36h 10m
Sun 10/184:50 pm -
2 stops31h 20m
Deal found 9/4![Scandinavian Airlines logo]()
$864
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Sun 12/276:05 pm -
1 stop21h 50m
Tue 1/52:40 pm -
1 stop28h 25m
Deal found 9/3![United Airlines logo]()
$816
This Air Serbia deal was found by Cheapflights users on 9/1. 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 9/214:40 pm -
1 stop14h 40m
Tue 10/64:05 pm -
1 stop30h 25m
Deal found 9/1![Air Serbia logo]()
$823
This Turkish Airlines deal was found by Cheapflights users on 9/2. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:25 am -
2 stops37h 45m
Sat 10/249:45 pm -
1 stop29h 35m
Deal found 9/2![Turkish Airlines logo]()
$824
This Delta deal was found by Cheapflights users on 9/6. 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 12/237:00 am -
2 stops23h 10m
Tue 1/52:00 pm -
1 stop32h 25m
Deal found 9/6![Delta logo]()
$891
This Scandinavian Airlines deal was found by Cheapflights users on 9/5. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:15 pm -
2 stops20h 30m
Mon 11/94:50 pm -
2 stops31h 55m
Deal found 9/5![Scandinavian Airlines logo]()
$894
This United Airlines deal was found by Cheapflights users on 9/3. 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 11/234:00 pm -
2 stops18h 30m
Mon 11/301:15 pm -
1 stop32h 55m
Deal found 9/3![United Airlines logo]()
$857
This Air Serbia deal was found by Cheapflights users on 9/1. 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 12/197:30 pm -
1 stop23h 40m
Wed 12/303:50 pm -
1 stop13h 30m
Deal found 9/1![Air Serbia logo]()
$914
Last-minute flights from O'Hare Intl to BucharestDiscover last-minute flight deals from O'Hare Intl to Bucharest. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Bucharest. Data last updated September 7, 2026 and is based on user searches.
This Air Serbia deal was found by Cheapflights users on 9/4. 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 9/1211:20 pm -
1 stop32h 15m
Tue 10/134:05 pm -
1 stop30h 25m
Deal found 9/4![Air Serbia logo]()
$760
This Turkish Airlines deal was found by Cheapflights users on 9/3. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:10 pm -
1 stop34h 25m
Tue 10/69:35 pm -
1 stop20h 05m
Deal found 9/3![Turkish Airlines logo]()
$765
This FlightHub deal was found by Cheapflights users on 9/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:10 pm -
1 stop20h 30m
Wed 10/1412:40 pm -
2 stops29h 00m
Deal found 9/2![Turkish Airlines logo]()
$746
This Air Serbia deal was found by Cheapflights users on 9/5. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:20 pm -
1 stop19h 45m
Sat 10/174:05 pm -
1 stop13h 10m
Deal found 9/5![Air Serbia logo]()
$758
This Turkish Airlines deal was found by Cheapflights users on 9/4. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:10 pm -
1 stop34h 25m
Fri 10/163:55 pm -
1 stop25h 45m
Deal found 9/4![Turkish Airlines logo]()
$750
This FlightHub deal was found by Cheapflights users on 9/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:10 pm -
1 stop16h 05m
Sun 10/119:35 pm -
1 stop20h 05m
Deal found 9/5![Turkish Airlines logo]()
$763
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:10 pm -
1 stop16h 05m
Mon 10/199:35 pm -
1 stop20h 05m
Deal found 9/2![Turkish Airlines logo]()
$740
This Booking.com deal was found by Cheapflights users on 9/3. 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.
Mon 9/288:10 pm -
1 stop31h 50m
Wed 10/145:05 pm -
2 stops24h 35m
Deal found 9/3![Turkish Airlines logo]()
$743
This FlightHub deal was found by Cheapflights users on 9/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:10 pm -
1 stop28h 00m
Sun 10/189:35 pm -
1 stop20h 05m
Deal found 9/2![Turkish Airlines logo]()
$753
This Turkish Airlines deal was found by Cheapflights users on 9/3. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:10 pm -
2 stops26h 30m
Tue 10/209:30 am -
1 stop32h 10m
Deal found 9/3![Turkish Airlines logo]()
$754
This Turkish Airlines deal was found by Cheapflights users on 9/3. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:10 pm -
2 stops26h 30m
Tue 10/279:10 pm -
1 stop20h 50m
Deal found 9/3![Turkish Airlines logo]()
$744
This LOT deal was found by Cheapflights users on 9/5. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:50 pm -
1 stop11h 55m
Sat 11/145:35 am -
1 stop22h 20m
Deal found 9/5![LOT logo]()
$741
One-way flights from O'Hare Intl to BucharestSearch for one-way flight options from O'Hare Intl to Bucharest. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from O'Hare Intl to Bucharest. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Trip.com deal was found by Cheapflights users on 9/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:25 pm -
2 stops18h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Mon 10/197:25 pm -
3 stops21h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$310
This Trip.com deal was found by Cheapflights users on 9/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1110:25 pm -
2 stops18h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/207:25 pm -
3 stops22h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/210:26 am -
3 stops52h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Sun 10/410:25 pm -
2 stops42h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 9/297:25 pm -
2 stops31h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Mon 9/287:25 pm -
2 stops18h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$337
Find flight deals from O'Hare Intl to Bucharest
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Bucharest (BUH). 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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $740 (CheapOair) |
One-way from | $297 (Trip.com) |
Popular in | November |
Cheapest in | February |
Average price | $775 |
Good round-trip deal | $932 or less |
Good one-way deal | $478 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl to Bucharest 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 7,457,451 searches. Data last updated September 7, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Bucharest that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Sat 10/3
11:20 pm-3:20 pm
1 stop32h 00m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$413
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Tue 10/13
7:25 pm-12:35 am
2 stops21h 10m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$414
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Mon 9/14
3:45 pm-10:10 pm
2 stops22h 25m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$415
Quickest round-trip
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Mon 10/5
7:05 pm-5:20 pm
1 stop14h 15m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$447
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Sat 9/26
11:20 pm-3:05 am
1 stop19h 45m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$455
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Wed 9/16
4:40 pm-3:20 pm
1 stop14h 40m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$455
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Tue 10/20
5:00 pm-1:20 am
1 stop24h 20m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$457
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Tue 9/22
8:10 pm-8:15 pm
1 stop16h 05m
Bucharest Otopeni Intl
Tue 10/13
9:30 am-6:15 pm
1 stop16h 45m
$750
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Sat 9/26
11:20 pm-3:05 am
1 stop19h 45m
Bucharest Otopeni Intl
Sat 10/17
4:05 pm-9:15 pm
1 stop13h 10m
$758
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Mon 11/2
6:05 pm-6:30 pm
2 stops16h 25m
Bucharest Otopeni Intl
Tue 11/10
6:00 am-2:52 pm
2 stops16h 52m
$791
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from O'Hare Intl to Bucharest
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 Bucharest in September.
| 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*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Bucharest 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 flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Bucharest 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 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 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 Bucharest
Have a flexible travel schedule? Discover the best time to fly to Bucharest from O'Hare Intl with our price prediction graph.
ORD-BUH
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
ORD-BUH
ORD-OTP
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Bucharest?
Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Bucharest (average of $536). Flying from Chicago O'Hare Intl Airport to Bucharest in May is currently the most expensive (average of $1,065). 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?
Airfare is typical for this route at the moment.
Chicago O'Hare Intl Airport to Bucharest flights typically cost between $623 and $851 in September.The cheapest round-trip price found within the last 5 days was $740 on Turkish Airlines (Sep 28-Oct 19).
What’s the top layover airport for flights from Chicago O'Hare Intl Airport to Bucharest?
Share of 1-stop round-trip flights from Chicago O'Hare Intl Airport to Bucharest chosen by Cheapflights users in the past 12 months, using the same layover each way.
Munich (MUC) – chosen by Cheapflights users on 40% of 1-stop itineraries from Chicago O'Hare Intl Airport to Bucharest on Cheapflights.
What’s the cheapest layover airport for flights from Chicago O'Hare Intl Airport to Bucharest?
Average round-trip fare for 1-stop flights from Chicago O'Hare Intl Airport to Bucharest, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Amsterdam (AMS) is the most affordable 1-stop option, with an average round-trip price of $485.
What’s the fastest layover option from Chicago O'Hare Intl Airport to Bucharest?
Shortest average travel time for 1-stop one-way flights from Chicago O'Hare Intl Airport to Bucharest, 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: 12h 25m.
Which airport typically offers the quickest layover for flights from Chicago O'Hare Intl Airport to Bucharest?
Average layover duration for 1-stop one-way flights from Chicago O'Hare Intl Airport to Bucharest, 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 2h 15m.
How far ahead should I book a flight from Chicago O'Hare Intl Airport to Bucharest?
Booking 12 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. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Bucharest
Get insights into the airlines that provide service to Bucharest. 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 Bucharest. Reviews last updated September 7, 2026.
Peruse reviews from past customers who have flown with LOT,SWISS, andTurkish Airlines from Chicago O'Hare Intl Airport to Bucharest 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.
Entertainment
6.9
Crew
8.2
Overall
7.5
Boarding
7.6
Comfort
7.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentRami,Sep 2025
LAX - WAW
Entertainment
6.9
Crew
8.2
Overall
7.5
Boarding
7.6
Comfort
7.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentRami,Sep 2025
LAX - WAW
Entertainment
6.9
Crew
8.2
Overall
7.5
Boarding
7.6
Comfort
7.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentRami,Sep 2025
LAX - WAW
Entertainment
6.9
Crew
8.2
Overall
7.5
Boarding
7.6
Comfort
7.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentRami,Sep 2025
LAX - WAW
Entertainment
6.9
Crew
8.2
Overall
7.5
Boarding
7.6
Comfort
7.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentRami,Sep 2025
LAX - WAW
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to Bucharest. 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?
Book flights to Bucharest if you plan to visit one of these locationsOtopeni
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Bucharest flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from O'Hare Intl
Popular flights
Alternative routes for O'Hare Intl to Bucharest
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Bucharest
Explore flights to Bucharest departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
Complete your trip
Complete your trip to Bucharest by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from O'Hare Intl to Bucharest by cabin class
Find flights from O'Hare Intl to Bucharest, based on your preferred cabin class, be it economy, premium economy, business, or first class.
O'Hare Intl and Bucharest flights
Browse other O'Hare Intl and Bucharest flight options. Last updated on September 7, 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 September 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 10 airlines flying from O'Hare Intl to Bucharest
Discover the top 10 airlines that operate flights from O'Hare Intl to Bucharest. 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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$300 | Average$850 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$418 | Average$928 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$504 | Average$595 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$510 | Average$950 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$543 | Average$946 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$553 | Average$828 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$566 | Average$758 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$569 | Average$1,029 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$575 | Average$1,013 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$677 | Average$1,182 | FlexibilityNo cancel fee | On-time81% |