$293+ Cheap flights from Illinois 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BUH
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Illinois 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
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Cheapest flights from Illinois to BucharestExplore the most affordable flight options available from Illinois to Bucharest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Illinois to Bucharest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Mon 10/1912:49 pm -
2 stops20h 31m
Wed 11/48:25 am -
2 stops23h 08m
Deal found 9/12![American Airlines logo]()
$637
This Gotogate deal was found by Cheapflights users on 9/12. 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 10/198:55 am -
2 stops22h 25m
Wed 11/46:00 am -
1 stop15h 45m
Deal found 9/12![Multiple Airlines logo]()
$650
This Gotogate deal was found by Cheapflights users on 9/13. 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 10/284:05 pm -
2 stops16h 45m
Wed 11/46:00 am -
1 stop15h 45m
Deal found 9/13![Multiple Airlines logo]()
$653
This oojo deal was found by Cheapflights users on 9/12. 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.
Mon 10/193:30 pm -
1 stop13h 35m
Wed 11/46:00 am -
1 stop15h 45m
Deal found 9/12![Lufthansa logo]()
$669
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:00 am -
2 stops22h 10m
Fri 11/68:25 am -
2 stops21h 34m
Deal found 9/15![American Airlines logo]()
$687
This Gotogate deal was found by Cheapflights users on 9/15. 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 10/1312:10 pm -
2 stops22h 25m
Tue 10/206:05 am -
1 stop15h 20m
Deal found 9/15![Multiple Airlines logo]()
$696
This oojo deal was found by Cheapflights users on 9/15. 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.
Fri 10/304:40 pm -
1 stop14h 15m
Fri 11/66:00 am -
1 stop15h 45m
Deal found 9/15![Lufthansa logo]()
$698
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/256:50 pm -
2 stops16h 40m
Sun 11/16:00 am -
2 stops25h 24m
Deal found 9/12![United Airlines logo]()
$700
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:47 pm -
2 stops18h 38m
Tue 10/208:15 am -
2 stops24h 04m
Deal found 9/15![American Airlines logo]()
$704
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/304:40 pm -
1 stop14h 15m
Fri 11/66:00 am -
2 stops41h 26m
Deal found 9/15![United Airlines logo]()
$707
This Justfly.com deal was found by Cheapflights users on 9/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:50 pm -
1 stop12h 40m
Sun 11/294:40 pm -
1 stop31h 35m
Deal found 9/16![Multiple Airlines logo]()
$712
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/79:50 pm -
1 stop11h 55m
Wed 10/146:30 pm -
1 stop28h 40m
Deal found 9/16![LOT logo]()
$713
Best flights from Illinois to BucharestDiscover carefully curated flight deals from Illinois to Bucharest that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Illinois to Bucharest that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Mon 10/1912:49 pm -
2 stops20h 31m
Wed 11/48:25 am -
2 stops23h 08m
Deal found 9/12![American Airlines logo]()
$637
This oojo deal was found by Cheapflights users on 9/12. 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.
Mon 10/193:30 pm -
1 stop13h 35m
Wed 11/46:00 am -
1 stop15h 45m
Deal found 9/12![Lufthansa logo]()
$669
This Air Canada deal was found by Cheapflights users on 9/13. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:08 pm -
3 stops19h 42m
Wed 11/46:00 am -
2 stops41h 26m
Deal found 9/13![Multiple Airlines logo]()
$696
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/256:50 pm -
2 stops16h 40m
Sun 11/16:00 am -
2 stops25h 24m
Deal found 9/12![United Airlines logo]()
$700
This British Airways deal was found by Cheapflights users on 9/12. 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.
Mon 2/19:50 pm -
1 stop18h 15m
Fri 2/58:25 am -
1 stop18h 20m
Deal found 9/12![British Airways logo]()
$738
This Delta deal was found by Cheapflights users on 9/12. 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 2/2411:10 am -
2 stops19h 00m
Wed 3/36:00 am -
1 stop16h 25m
Deal found 9/12![Delta logo]()
$738
This Air Canada deal was found by Cheapflights users on 9/16. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/34:05 pm -
2 stops15h 45m
Fri 2/56:30 am -
2 stops40h 56m
Deal found 9/16![Air Canada logo]()
$789
This KLM deal was found by Cheapflights users on 9/14. 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.
Sun 10/256:44 pm -
2 stops13h 41m
Tue 11/108:35 am -
2 stops17h 29m
Deal found 9/14![KLM logo]()
$791
This Turkish Airlines deal was found by Cheapflights users on 9/14. 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 9/288:10 pm -
1 stop28h 00m
Mon 10/193:55 pm -
1 stop25h 45m
Deal found 9/14![Turkish Airlines logo]()
$805
This American Airlines deal was found by Cheapflights users on 9/16. 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 3/711:31 am -
2 stops19h 34m
Wed 3/178:25 am -
2 stops22h 09m
Deal found 9/16![American Airlines logo]()
$642
This oojo deal was found by Cheapflights users on 9/15. 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.
Fri 10/304:40 pm -
1 stop14h 15m
Fri 11/66:00 am -
1 stop15h 45m
Deal found 9/15![Lufthansa logo]()
$698
This United deal was found by Cheapflights users on 9/12. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/254:40 pm -
1 stop14h 15m
Sun 11/16:00 am -
2 stops25h 24m
Deal found 9/12![Multiple Airlines logo]()
$717
This Delta deal was found by Cheapflights users on 9/12. 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 2/2111:10 am -
2 stops19h 00m
Wed 3/32:00 pm -
1 stop32h 25m
Deal found 9/12![Delta logo]()
$738
This FlightHub deal was found by Cheapflights users on 9/16. 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.
Fri 11/2010:40 pm -
2 stops41h 25m
Mon 11/304:00 pm -
2 stops52h 40m
Deal found 9/16![British Airways logo]()
$768
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/2712:59 pm -
2 stops16h 31m
Fri 11/132:40 pm -
1 stop13h 25m
Deal found 9/13![United Airlines logo]()
$788
This Delta deal was found by Cheapflights users on 9/12. 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 2/226:25 pm -
1 stop20h 50m
Fri 3/56:00 am -
2 stops18h 12m
Deal found 9/12![Delta logo]()
$743
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:10 pm -
2 stops19h 10m
Tue 10/206:30 pm -
3 stops33h 50m
Deal found 9/15![Multiple Airlines logo]()
$774
This United Airlines deal was found by Cheapflights users on 9/16. 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 2/38:25 am -
2 stops21h 30m
Fri 2/55:55 am -
1 stop15h 50m
Deal found 9/16![United Airlines logo]()
$792
This KLM deal was found by Cheapflights users on 9/13. 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.
Thu 10/296:44 pm -
2 stops15h 16m
Sat 11/148:35 am -
2 stops17h 29m
Deal found 9/13![KLM logo]()
$892
This Delta deal was found by Cheapflights users on 9/13. 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 1/2012:30 pm -
2 stops17h 40m
Thu 1/286:00 am -
2 stops20h 37m
Deal found 9/13![Delta logo]()
$748
This British Airways deal was found by Cheapflights users on 9/14. 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.
Mon 9/284:01 pm -
2 stops17h 19m
Mon 10/198:15 am -
1 stop18h 00m
Deal found 9/14![British Airways logo]()
$833
This Delta deal was found by Cheapflights users on 9/13. 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 10/261:45 pm -
2 stops17h 25m
Thu 11/126:00 am -
1 stop16h 25m
Deal found 9/13![Delta logo]()
$783
This Delta deal was found by Cheapflights users on 9/14. 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 11/412:00 pm -
2 stops18h 10m
Wed 11/186:00 am -
1 stop16h 25m
Deal found 9/14![Delta logo]()
$787
This Delta deal was found by Cheapflights users on 9/13. 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 11/16:25 pm -
1 stop20h 50m
Mon 11/162:00 pm -
2 stops34h 41m
Deal found 9/13![Delta logo]()
$792
This Delta deal was found by Cheapflights users on 9/13. 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 10/267:25 pm -
1 stop20h 50m
Mon 11/162:00 pm -
2 stops34h 41m
Deal found 9/13![Delta logo]()
$792
This Delta deal was found by Cheapflights users on 9/13. 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 10/189:29 am -
2 stops19h 31m
Tue 11/36:00 am -
2 stops20h 00m
Deal found 9/13![Delta logo]()
$801
This Delta deal was found by Cheapflights users on 9/16. 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 11/291:31 pm -
2 stops16h 39m
Mon 12/146:00 am -
2 stops20h 01m
Deal found 9/16![Delta logo]()
$846
This Delta deal was found by Cheapflights users on 9/15. 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 11/161:05 pm -
2 stops17h 05m
Mon 11/236:00 am -
2 stops20h 04m
Deal found 9/15![Delta logo]()
$847
This Delta deal was found by Cheapflights users on 9/16. 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 10/1912:49 pm -
2 stops16h 11m
Mon 11/96:00 am -
2 stops20h 04m
Deal found 9/16![Delta logo]()
$851
This Delta deal was found by Cheapflights users on 9/15. 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 11/231:31 pm -
2 stops16h 39m
Wed 12/26:00 am -
2 stops20h 01m
Deal found 9/15![Delta logo]()
$853
Last-minute flights from Illinois to BucharestDiscover last-minute flight deals from Illinois to Bucharest. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Bucharest. Data last updated September 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/79:50 pm -
1 stop11h 55m
Wed 10/146:30 pm -
1 stop28h 40m
Deal found 9/16![LOT logo]()
$713
This Gotogate deal was found by Cheapflights users on 9/15. 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 10/1312:10 pm -
2 stops22h 25m
Tue 10/206:05 am -
1 stop15h 20m
Deal found 9/15![Multiple Airlines logo]()
$696
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:47 pm -
2 stops18h 38m
Tue 10/208:15 am -
2 stops24h 04m
Deal found 9/15![American Airlines logo]()
$704
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Mon 10/1912:49 pm -
2 stops20h 31m
Wed 11/48:25 am -
2 stops23h 08m
Deal found 9/12![American Airlines logo]()
$637
This Gotogate deal was found by Cheapflights users on 9/12. 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 10/198:55 am -
2 stops22h 25m
Wed 11/46:00 am -
1 stop15h 45m
Deal found 9/12![Multiple Airlines logo]()
$650
This oojo deal was found by Cheapflights users on 9/12. 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.
Mon 10/193:30 pm -
1 stop13h 35m
Wed 11/46:00 am -
1 stop15h 45m
Deal found 9/12![Lufthansa logo]()
$669
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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.
Thu 10/229:50 pm -
1 stop11h 55m
Sat 10/318:20 am -
1 stop19h 35m
Deal found 9/16![LOT logo]()
$714
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/256:50 pm -
2 stops16h 40m
Sun 11/16:00 am -
2 stops25h 24m
Deal found 9/12![United Airlines logo]()
$700
This Gotogate deal was found by Cheapflights users on 9/13. 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 10/284:05 pm -
2 stops16h 45m
Wed 11/46:00 am -
1 stop15h 45m
Deal found 9/13![Multiple Airlines logo]()
$653
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:00 am -
2 stops22h 10m
Fri 11/68:25 am -
2 stops21h 34m
Deal found 9/15![American Airlines logo]()
$687
This oojo deal was found by Cheapflights users on 9/15. 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.
Fri 10/304:40 pm -
1 stop14h 15m
Fri 11/66:00 am -
1 stop15h 45m
Deal found 9/15![Lufthansa logo]()
$698
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/304:40 pm -
1 stop14h 15m
Fri 11/66:00 am -
2 stops41h 26m
Deal found 9/15![United Airlines logo]()
$707
One-way flights from Illinois to BucharestSearch for one-way flight options from Illinois to Bucharest. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Illinois to Bucharest. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Trip.com deal was found by Cheapflights users on 9/12. 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.
Mon 10/197:25 pm -
2 stops21h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 11/76:30 pm -
2 stops19h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 stops32h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/257:30 pm -
3 stops34h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/1810:25 pm -
2 stops18h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/247:30 pm -
3 stops31h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 11/266:30 pm -
3 stops22h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$325
This Booking.com deal was found by Cheapflights users on 9/13. 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.
Tue 1/59:50 pm -
1 stop12h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Lufthansa logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 1/57:25 pm -
2 stops21h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/267:30 pm -
3 stops32h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/57:25 pm -
3 stops37h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/2111:45 am -
3 stops39h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$337
Find flight deals from Illinois to Bucharest
Keep the following information in mind while searching for Illinois to Bucharest flight deals. Data was last updated September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $636 (FlightHub) |
One-way from | $293 (Trip.com) |
Popular in | May |
Cheapest in | January |
Average price | $783 |
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 Illinois 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 17, 2026.
Use the filters below to find and compare flights from Illinois 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
Sun 10/25
7:30 pm-12:40 pm
3 stops34h 10m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$317
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Wed 12/16
11:55 pm-3:10 am
1 stop19h 15m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$349
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Sat 11/28
5:20 pm-3:05 pm
1 stop13h 45m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$350
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Sat 10/24
11:20 pm-3:20 pm
1 stop33h 00m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$378
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Wed 9/23
10:25 pm-11:10 pm
2 stops40h 45m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$382
ChicagoBucharest
MDW Chicago Midway - OTP Bucharest Otopeni Intl
MDWOTP
Chicago Midway
Tue 10/20
3:20 pm-1:35 am
3 stops50h 15m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$403
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Sat 10/3
11:20 pm-3:05 am
1 stop19h 45m
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
Wed 10/14
4:40 pm-3:20 pm
1 stop14h 40m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$413
Quickest round-trip
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Sun 10/25
7:50 pm-3:50 pm
1 stop13h 00m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$451
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Wed 9/30
4:40 pm-3:05 am
1 stop26h 25m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$454
Showing 1-10 of 50 resultsSorted by cheapest first
Best time to book a flight from Illinois to Bucharest
Have a flexible travel schedule? Discover the best time to fly to Bucharest from Illinois with our price prediction graph.
ORD-OTP
MDW-OTP
STL-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 Illinois to Bucharest
USIL-BUH
ORD-OTP
MDW-OTP
STL-OTP
What is the cheapest month to book a flight from Illinois to Bucharest?
Currently, November is the cheapest month in which you can book a flight from Illinois to Bucharest (average of $559). Flying from Illinois to Bucharest in May is currently the most expensive (average of $1,097). 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 Illinois to Bucharest?
Airfare is typical for this route at the moment.
Illinois to Bucharest flights typically cost between $623 and $851 in November.The cheapest round-trip price found within the last 5 days was $712 on Multiple Airlines (Nov 16-Nov 29).
How far ahead should I book a flight from Illinois to Bucharest?
To ensure you get the cheapest price possible for a flight from Illinois to Bucharest, you should look to book at least 12 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Related info for your journey
Find useful and relevant information for your journey from Illinois 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
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Alternative routes for Illinois 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 17, 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 Illinois to Bucharest by cabin class
Find flights from Illinois to Bucharest, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Bucharest flights
Browse other Illinois and Bucharest flight options. Last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 10 airlines flying from Illinois to Bucharest
Discover the top 10 airlines that operate flights from Illinois 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$300 | Average$901 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$418 | Average$956 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$504 | Average$593 | 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$837 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$566 | Average$758 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$569 | Average$1,063 | 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% |