$260+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BUH
Dec 5 — Dec 121
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Bucharest
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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 November 5, 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 November 5, 2026.
This Air Serbia deal was found by Cheapflights users on 11/2. 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.
Sat 12/55:30 pm -
1 stop13h 35m
Fri 12/184:30 am -
1 stop20h 20m
Deal found 11/2![Air Serbia logo]()
$614
This Air Serbia deal was found by Cheapflights users on 11/3. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:20 pm -
1 stop25h 50m
Thu 12/34:30 am -
1 stop18h 15m
Deal found 11/3![Air Serbia logo]()
$659
This Air Serbia deal was found by Cheapflights users on 10/31. 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 11/145:20 pm -
1 stop25h 50m
Thu 2/114:05 pm -
1 stop30h 40m
Deal found 10/31![Air Serbia logo]()
$671
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sat 11/145:20 pm -
1 stop13h 45m
Thu 2/254:05 pm -
1 stop30h 40m
Deal found 11/2![Air Serbia logo]()
$677
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sat 11/145:20 pm -
1 stop13h 45m
Thu 3/44:30 am -
1 stop18h 15m
Deal found 11/2![Air Serbia logo]()
$683
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sat 11/215:20 pm -
1 stop13h 45m
Thu 2/44:30 am -
1 stop18h 15m
Deal found 11/2![Air Serbia logo]()
$691
This oojo deal was found by Cheapflights users on 11/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:45 am -
1 stop12h 55m
Tue 12/89:35 pm -
1 stop20h 25m
Deal found 11/2![Turkish Airlines logo]()
$697
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 pm -
2 stops34h 35m
Thu 12/104:30 am -
1 stop18h 15m
Deal found 11/1![Multiple Airlines logo]()
$698
This Mytrip deal was found by Cheapflights users on 11/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:30 pm -
2 stops21h 40m
Wed 12/99:50 pm -
3 stops27h 30m
Deal found 11/3![Multiple Airlines logo]()
$745
This Mytrip deal was found by Cheapflights users on 11/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:30 pm -
2 stops21h 40m
Mon 12/79:50 pm -
3 stops27h 30m
Deal found 11/1![Multiple Airlines logo]()
$791
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:10 pm -
2 stops18h 05m
Tue 12/89:50 pm -
2 stops27h 05m
Deal found 11/2![Multiple Airlines logo]()
$820
This Mytrip deal was found by Cheapflights users on 10/31. 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.
Sun 11/226:30 pm -
3 stops20h 30m
Sun 12/68:55 pm -
3 stops28h 25m
Deal found 10/31![Multiple Airlines logo]()
$855
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 November 5, 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 November 5, 2026.
This Air Serbia deal was found by Cheapflights users on 10/31. 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 4/311:20 pm -
1 stop19h 50m
Sat 4/174:30 am -
1 stop24h 45m
Deal found 10/31![Air Serbia logo]()
$642
This Turkish Airlines deal was found by Cheapflights users on 11/4. 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.
Wed 3/179:15 pm -
1 stop28h 20m
Thu 4/19:40 pm -
1 stop28h 30m
Deal found 11/4![Turkish Airlines logo]()
$700
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1710:40 am -
2 stops20h 30m
Thu 4/17:05 am -
1 stop15h 10m
Deal found 11/2![Delta logo]()
$725
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2810:50 am -
2 stops19h 05m
Wed 3/36:00 am -
1 stop17h 20m
Deal found 11/2![United Airlines logo]()
$736
This Mytrip deal was found by Cheapflights users on 11/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:30 pm -
2 stops21h 40m
Wed 12/99:50 pm -
3 stops27h 30m
Deal found 11/3![Multiple Airlines logo]()
$745
This British Airways deal was found by Cheapflights users on 10/31. 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.
Wed 3/1712:31 pm -
2 stops20h 14m
Thu 4/18:15 am -
2 stops21h 45m
Deal found 10/31![British Airways logo]()
$749
This Air Serbia deal was found by Cheapflights users on 11/3. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:20 pm -
1 stop25h 50m
Thu 12/34:30 am -
1 stop18h 15m
Deal found 11/3![Air Serbia logo]()
$662
This Turkish Airlines deal was found by Cheapflights users on 11/3. 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.
Sun 11/298:15 pm -
1 stop16h 00m
Mon 12/1410:00 am -
1 stop32h 00m
Deal found 11/3![Turkish Airlines logo]()
$738
This Mytrip deal was found by Cheapflights users on 10/31. 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.
Sat 1/306:30 pm -
3 stops21h 40m
Sat 2/135:50 pm -
3 stops31h 30m
Deal found 10/31![Multiple Airlines logo]()
$802
This Mytrip deal was found by Cheapflights users on 11/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/56:30 pm -
2 stops21h 40m
Fri 2/199:50 pm -
2 stops26h 55m
Deal found 11/3![Multiple Airlines logo]()
$809
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:10 pm -
2 stops18h 05m
Tue 12/89:50 pm -
2 stops27h 05m
Deal found 11/2![Multiple Airlines logo]()
$820
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:30 pm -
3 stops18h 45m
Tue 12/89:50 pm -
3 stops27h 30m
Deal found 11/2![Multiple Airlines logo]()
$901
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/258:05 am -
3 stops23h 35m
Fri 1/81:50 pm -
2 stops34h 55m
Deal found 11/4![Multiple Airlines logo]()
$924
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/56:30 pm -
2 stops21h 40m
Fri 3/195:30 am -
2 stops20h 50m
Deal found 11/4![Multiple Airlines logo]()
$1,025
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/511:45 am -
2 stops16h 45m
Sat 12/191:05 pm -
2 stops28h 55m
Deal found 11/4![Multiple Airlines logo]()
$1,065
This Mytrip deal was found by Cheapflights users on 10/31. 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.
Sun 11/223:55 pm -
2 stops16h 40m
Sun 12/68:55 pm -
3 stops28h 25m
Deal found 10/31![Multiple Airlines logo]()
$1,102
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/86:30 pm -
2 stops21h 40m
Mon 3/221:50 pm -
1 stop14h 05m
Deal found 11/4![Multiple Airlines logo]()
$1,118
This Mytrip deal was found by Cheapflights users on 10/31. 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 12/156:30 pm -
3 stops21h 20m
Mon 12/2111:35 pm -
3 stops26h 45m
Deal found 10/31![Multiple Airlines logo]()
$1,129
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:30 pm -
2 stops21h 40m
Sun 12/1310:10 pm -
3 stops27h 10m
Deal found 11/4![Multiple Airlines logo]()
$1,134
Last-minute flights from Illinois to BucharestDiscover last-minute flight deals from Illinois to Bucharest. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Bucharest. Data last updated November 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 pm -
2 stops34h 35m
Thu 12/104:30 am -
1 stop18h 15m
Deal found 11/1![Multiple Airlines logo]()
$698
This Air Serbia deal was found by Cheapflights users on 10/31. 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 11/145:20 pm -
1 stop25h 50m
Thu 2/114:05 pm -
1 stop30h 40m
Deal found 10/31![Air Serbia logo]()
$671
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sat 11/145:20 pm -
1 stop13h 45m
Thu 2/184:30 am -
1 stop18h 15m
Deal found 11/2![Air Serbia logo]()
$677
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sat 11/145:20 pm -
1 stop13h 45m
Thu 3/44:30 am -
1 stop18h 15m
Deal found 11/2![Air Serbia logo]()
$683
This Air Serbia deal was found by Cheapflights users on 11/3. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:20 pm -
1 stop25h 50m
Thu 12/34:30 am -
1 stop18h 15m
Deal found 11/3![Air Serbia logo]()
$659
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sat 11/215:20 pm -
1 stop13h 45m
Thu 2/44:30 am -
1 stop18h 15m
Deal found 11/2![Air Serbia logo]()
$691
This Mytrip deal was found by Cheapflights users on 10/31. 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.
Sun 11/226:30 pm -
3 stops20h 30m
Sun 12/68:55 pm -
3 stops28h 25m
Deal found 10/31![Multiple Airlines logo]()
$855
This Mytrip deal was found by Cheapflights users on 11/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:30 pm -
2 stops21h 40m
Mon 12/79:50 pm -
3 stops27h 30m
Deal found 11/1![Multiple Airlines logo]()
$791
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:10 pm -
2 stops18h 05m
Tue 12/89:50 pm -
2 stops27h 05m
Deal found 11/2![Multiple Airlines logo]()
$820
This Mytrip deal was found by Cheapflights users on 11/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:30 pm -
2 stops21h 40m
Wed 12/99:50 pm -
3 stops27h 30m
Deal found 11/3![Multiple Airlines logo]()
$745
This oojo deal was found by Cheapflights users on 11/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:45 am -
1 stop12h 55m
Tue 12/89:35 pm -
1 stop20h 25m
Deal found 11/2![Turkish Airlines logo]()
$697
This Air Serbia deal was found by Cheapflights users on 11/2. 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.
Sat 12/55:30 pm -
1 stop13h 35m
Fri 12/184:30 am -
1 stop20h 20m
Deal found 11/2![Air Serbia logo]()
$614
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 November 5, 2026.
Search for one-way flight options from Illinois to Bucharest. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/117:00 pm -
2 stops29h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/278:10 pm -
2 stops31h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Multiple Airlines logo]()
$270
This Expedia deal was found by Cheapflights users on 11/1. 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.
Wed 2/105:10 pm -
1 stop22h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![British Airways logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/126:30 pm -
3 stops33h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$325
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/99:50 pm -
1 stop18h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![British Airways logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 11/117:00 pm -
3 stops35h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$328
This British Airways deal was found by Cheapflights users on 11/3. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/39:50 pm -
1 stop33h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![British Airways logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/76:30 pm -
2 stops22h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$332
This FlightHub deal was found by Cheapflights users on 10/31. 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.
Wed 4/285:00 pm -
1 stop23h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$333
This Mytrip deal was found by Cheapflights users on 10/31. 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 4/2812:50 pm -
3 stops18h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$449
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/129:00 pm -
2 stops28h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$528
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 November 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $614 (Air Serbia) |
One-way from | $260 (Kiwi.com) |
Popular in | December |
Cheapest in | March |
Average price | $780 |
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 November 5, 2026.
Use the filters below to find and compare flights from Illinois to Bucharest that are best for you.
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Cheapest round-trip
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Wed 11/11
7:00 pm-8:55 am
2 stops29h 55m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$260
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Tue 1/12
6:30 pm-12:00 pm
3 stops33h 30m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$325
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Wed 2/3
5:10 pm-12:05 am
1 stop22h 55m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$327
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Tue 2/9
9:50 pm-12:05 am
1 stop18h 15m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$327
ChicagoBucharest
ORD Chicago O'Hare Intl - BBU Bucharest Baneasa
ORDBBU
Chicago O'Hare Intl
Wed 11/11
7:00 pm-2:10 pm
3 stops35h 10m
Bucharest Baneasa
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$328
ChicagoBucharest
ORD Chicago O'Hare Intl - BBU Bucharest Baneasa
ORDBBU
Chicago O'Hare Intl
Tue 1/12
6:30 pm-12:30 pm
3 stops34h 00m
Bucharest Baneasa
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$328
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Sun 2/7
9:50 pm-12:05 am
1 stop18h 15m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$330
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Mon 2/8
9:50 pm-12:05 am
1 stop18h 15m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$330
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Mon 2/8
10:40 am-11:15 pm
2 stops28h 35m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$338
Quickest round-trip
ChicagoBucharest
ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl
ORDOTP
Chicago O'Hare Intl
Sat 2/13
5:30 pm-3:05 pm
1 stop13h 35m
Bucharest Otopeni Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$346
Showing 1-10 of 30 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
ORD-BBU
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
ORD-BBU
What is the cheapest month to book a flight from Illinois to Bucharest?
Currently, January is the cheapest month in which you can book a flight from Illinois to Bucharest (average of $574). Flying from Illinois to Bucharest in May is currently the most expensive (average of $1,103). 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 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 43 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 November 5, 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 November 5, 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 November 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$300 | Average$986 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$418 | Average$1,040 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$510 | Average$967 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$529 | Average$712 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$543 | Average$946 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$561 | Average$943 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$569 | Average$1,065 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$575 | Average$1,039 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$582 | Average$746 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$688 | Average$1,032 | FlexibilityNo cancel fee | On-time71% |