$417+ Cheap flights from Frankfurt (FRA) to Illinois
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
FRA — ORD
Aug 19 — Aug 261
Round-trip
1 adult, Economy
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Cheapest flights from Frankfurt to IllinoisExplore the most affordable flight options available from Frankfurt to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 20, 2026.
Explore the most affordable flight options available from Frankfurt to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 10/122:00 pm
FRA
- ORD
1 stop11h 15m
Icelandair
Thu 10/227:25 pm
ORD
- FRA
1 stop10h 35m
Icelandair
Deal found 7/20![Icelandair logo]()
$672
This Icelandair deal was found by Cheapflights users on 7/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:05 pm
FRA
- ORD
1 stop11h 15m
Icelandair
Tue 12/16:30 pm
ORD
- FRA
1 stop10h 40m
Icelandair
Deal found 7/16![Icelandair logo]()
$673
This Kiwi.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:30 pm
FRA
- ORD
1 stop26h 40m
Scandinavian Airlines
Tue 9/297:15 pm
ORD
- FRA
1 stop12h 20m
Scandinavian Airlines
Deal found 7/19![Scandinavian Airlines logo]()
$674
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 9/228:30 pm
FRA
- ORD
1 stop26h 40m
Scandinavian Airlines
Sat 10/107:15 pm
ORD
- FRA
1 stop12h 20m
Scandinavian Airlines
Deal found 7/20![Scandinavian Airlines logo]()
$675
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 9/22:00 pm
FRA
- ORD
1 stop11h 15m
Icelandair
Wed 9/307:25 pm
ORD
- FRA
1 stop10h 35m
Icelandair
Deal found 7/16![Icelandair logo]()
$676
This Sembo deal was found by Cheapflights users on 7/20. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/62:00 pm
FRA
- ORD
1 stop11h 15m
Icelandair
Wed 9/3010:25 pm
ORD
- FRA
1 stop31h 35m
Icelandair
Deal found 7/20![Icelandair logo]()
$678
This ITA Airways deal was found by Cheapflights users on 7/19. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:25 pm
FRA
- ORD
1 stop25h 45m
ITA Airways
Tue 9/293:00 pm
ORD
- FRA
1 stop12h 50m
ITA Airways
Deal found 7/19![ITA Airways logo]()
$679
This Icelandair deal was found by Cheapflights users on 7/20. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:00 pm
FRA
- ORD
1 stop11h 15m
Icelandair
Sat 10/107:25 pm
ORD
- FRA
1 stop10h 35m
Icelandair
Deal found 7/20![Icelandair logo]()
$680
This Gotogate deal was found by Cheapflights users on 7/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:25 am
FRA
- ORD
1 stop17h 50m
Icelandair
Wed 8/267:25 pm
ORD
- FRA
1 stop28h 00m
Icelandair
Deal found 7/16![Icelandair logo]()
$681
This Iberia deal was found by Cheapflights users on 7/16. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:30 am
FRA
- ORD
1 stop16h 30m
Multiple Airlines
Sun 8/1610:30 pm
ORD
- FRA
1 stop16h 50m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$682
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 9/22:00 pm
FRA
- ORD
1 stop11h 15m
Icelandair
Tue 9/297:25 pm
ORD
- FRA
1 stop10h 35m
Icelandair
Deal found 7/16![Icelandair logo]()
$683
This Iberia deal was found by Cheapflights users on 7/18. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:30 am
FRA
- ORD
1 stop16h 30m
Multiple Airlines
Wed 9/28:45 pm
ORD
- FRA
1 stop14h 55m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$684
Best flights from Frankfurt to IllinoisDiscover carefully curated flight deals from Frankfurt to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 20, 2026.
Discover carefully curated flight deals from Frankfurt to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 20, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 7/19. 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.
Tue 9/158:30 pm
FRA
- ORD
2 stops43h 54m
Scandinavian Airlines
Mon 9/287:15 pm
ORD
- FRA
1 stop12h 20m
Scandinavian Airlines
Deal found 7/19![Scandinavian Airlines logo]()
$750
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:50 am
FRA
- ORD
1 stop14h 35m
Delta
Sun 11/155:45 pm
ORD
- FRA
2 stops13h 35m
Delta
Deal found 7/18![Delta logo]()
$770
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Fri 9/46:35 am
FRA
- ORD
1 stop13h 00m
United Airlines
Tue 9/294:05 pm
ORD
- FRA
Nonstop8h 20m
United Airlines
Deal found 7/16![United Airlines logo]()
$775
This KLM deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:00 am
FRA
- STL
2 stops15h 10m
Multiple Airlines
Mon 9/75:34 pm
STL
- FRA
2 stops13h 46m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$777
This British Airways deal was found by Cheapflights users on 7/17. 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 11/210:15 am
FRA
- STL
1 stop31h 22m
British Airways
Mon 11/306:45 pm
STL
- FRA
1 stop31h 10m
British Airways
Deal found 7/17![British Airways logo]()
$783
This Virgin Atlantic deal was found by Cheapflights users on 7/19. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2910:40 am
FRA
- MDW
1 stop19h 04m
Virgin Atlantic
Tue 10/131:00 pm
MDW
- FRA
1 stop12h 55m
Virgin Atlantic
Deal found 7/19![Virgin Atlantic logo]()
$786
This Cheapflightsfares deal was found by Cheapflights users on 7/18. 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.
Wed 9/28:15 am
FRA
- MLI
2 stops16h 30m
Lufthansa
Thu 9/172:05 pm
MLI
- FRA
2 stops15h 00m
Lufthansa
Deal found 7/18![Lufthansa logo]()
$826
This American Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:55 am
FRA
- EVV
1 stop32h 00m
American Airlines
Sun 9/274:36 pm
EVV
- FRA
2 stops14h 24m
American Airlines
Deal found 7/19![American Airlines logo]()
$852
This Scandinavian Airlines deal was found by Cheapflights users on 7/16. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:30 am
FRA
- ORD
2 stops18h 34m
Scandinavian Airlines
Fri 11/277:15 pm
ORD
- FRA
1 stop31h 30m
Scandinavian Airlines
Deal found 7/16![Scandinavian Airlines logo]()
$754
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:15 am
FRA
- ORD
1 stop11h 00m
Delta
Thu 9/245:10 pm
ORD
- FRA
2 stops14h 10m
Delta
Deal found 7/20![Delta logo]()
$770
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/204:30 pm
FRA
- ORD
1 stop27h 05m
United Airlines
Wed 9/23:10 pm
ORD
- FRA
Nonstop8h 20m
United Airlines
Deal found 7/20![United Airlines logo]()
$775
This Virgin Atlantic deal was found by Cheapflights users on 7/20. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:40 am
FRA
- MDW
1 stop19h 05m
Virgin Atlantic
Thu 9/249:29 am
MDW
- FRA
1 stop17h 21m
Virgin Atlantic
Deal found 7/20![Virgin Atlantic logo]()
$786
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:15 am
FRA
- ORD
1 stop11h 00m
Delta
Tue 9/221:29 pm
ORD
- FRA
2 stops14h 56m
Delta
Deal found 7/17![Delta logo]()
$771
This American Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:20 am
FRA
- PIA
1 stop13h 53m
American Airlines
Mon 9/76:48 pm
PIA
- FRA
2 stops36h 02m
American Airlines
Deal found 7/17![American Airlines logo]()
$852
This United Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:35 am
FRA
- ORD
1 stop13h 00m
United Airlines
Fri 10/96:30 pm
ORD
- FRA
Nonstop8h 25m
United Airlines
Deal found 7/17![United Airlines logo]()
$776
This Virgin Atlantic deal was found by Cheapflights users on 7/16. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:00 am
FRA
- MDW
1 stop14h 33m
Virgin Atlantic
Thu 10/81:28 pm
MDW
- FRA
1 stop13h 22m
Virgin Atlantic
Deal found 7/16![Virgin Atlantic logo]()
$789
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 am
FRA
- STL
2 stops17h 38m
Delta
Sun 9/610:33 am
STL
- FRA
2 stops17h 52m
Delta
Deal found 7/18![Delta logo]()
$775
This American Airlines deal was found by Cheapflights users on 7/15. 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.
Thu 8/279:20 am
FRA
- PIA
2 stops21h 39m
American Airlines
Mon 8/316:48 pm
PIA
- FRA
2 stops20h 32m
American Airlines
Deal found 7/15![American Airlines logo]()
$853
This United Airlines deal was found by Cheapflights users on 7/19. 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 10/27:45 am
FRA
- STL
2 stops14h 58m
United Airlines
Sat 10/173:11 pm
STL
- FRA
2 stops13h 59m
United Airlines
Deal found 7/19![United Airlines logo]()
$780
This Flighttix deal was found by Cheapflights users on 7/20. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/59:20 am
FRA
- PIA
2 stops15h 55m
British Airways
Sun 8/97:00 am
PIA
- FRA
1 stop18h 45m
British Airways
Deal found 7/20![British Airways logo]()
$1,005
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:50 am
FRA
- MDW
2 stops17h 15m
Delta
Sun 11/156:30 pm
MDW
- FRA
2 stops12h 50m
Delta
Deal found 7/18![Delta logo]()
$775
This United Airlines deal was found by Cheapflights users on 7/18. 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 10/2010:40 am
FRA
- STL
Nonstop9h 45m
United Airlines
Thu 10/291:08 pm
STL
- FRA
1 stop11h 27m
United Airlines
Deal found 7/18![United Airlines logo]()
$783
This Flighttix deal was found by Cheapflights users on 7/19. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:20 am
FRA
- MLI
1 stop13h 38m
Multiple Airlines
Mon 10/1911:04 am
MLI
- FRA
2 stops15h 46m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$1,067
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:00 am
FRA
- MDW
2 stops18h 33m
Delta
Fri 9/251:19 pm
MDW
- FRA
2 stops15h 06m
Delta
Deal found 7/20![Delta logo]()
$775
This United Airlines deal was found by Cheapflights users on 7/18. 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 10/239:55 am
FRA
- STL
1 stop15h 46m
United Airlines
Sun 11/11:24 pm
STL
- FRA
1 stop10h 46m
United Airlines
Deal found 7/18![United Airlines logo]()
$786
This American Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/59:20 am
FRA
- PIA
2 stops15h 55m
American Airlines
Sun 8/96:00 am
PIA
- FRA
2 stops18h 20m
American Airlines
Deal found 7/20![American Airlines logo]()
$1,011
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:00 am
FRA
- ORD
2 stops16h 17m
Delta
Wed 10/710:30 am
ORD
- FRA
2 stops15h 30m
Delta
Deal found 7/19![Delta logo]()
$775
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:10 am
FRA
- STL
1 stop19h 34m
United Airlines
Tue 8/2512:59 pm
STL
- FRA
1 stop10h 31m
United Airlines
Deal found 7/20![United Airlines logo]()
$788
This Delta deal was found by Cheapflights users on 7/19. 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.
Sat 11/2110:20 am
FRA
- ORD
2 stops18h 14m
Delta
Fri 11/271:35 pm
ORD
- FRA
2 stops17h 45m
Delta
Deal found 7/19![Delta logo]()
$775
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:35 am
FRA
- PIA
2 stops19h 28m
United Airlines
Thu 9/108:29 am
PIA
- FRA
2 stops17h 41m
United Airlines
Deal found 7/20![United Airlines logo]()
$837
Last-minute flights from Frankfurt to IllinoisDiscover last-minute flight deals from Frankfurt to Illinois. Data last updated July 20, 2026 and is based on user searches.
Discover last-minute flight deals from Frankfurt to Illinois. Data last updated July 20, 2026 and is based on user searches.
This Flysmarter deal was found by Cheapflights users on 7/19. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:35 am
FRA
- STL
2 stops19h 52m
Multiple Airlines
Wed 8/191:25 pm
STL
- FRA
2 stops17h 30m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$723
This Flysmarter deal was found by Cheapflights users on 7/15. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:30 am
FRA
- STL
2 stops20h 21m
Multiple Airlines
Thu 8/208:07 pm
STL
- FRA
2 stops19h 33m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$717
This Ticket deal was found by Cheapflights users on 7/16. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:00 am
FRA
- MDW
1 stop14h 33m
Multiple Airlines
Wed 9/210:54 am
MDW
- FRA
1 stop15h 01m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$764
This Flysmarter deal was found by Cheapflights users on 7/16. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:55 am
FRA
- STL
1 stop15h 48m
Multiple Airlines
Sat 8/298:06 pm
STL
- FRA
2 stops19h 29m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$713
This Expedia deal was found by Cheapflights users on 7/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:55 am
FRA
- STL
1 stop15h 48m
Iberia
Sat 8/2910:16 am
STL
- FRA
1 stop15h 29m
Iberia
Deal found 7/16![Iberia logo]()
$718
This Condor deal was found by Cheapflights users on 7/17. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:30 pm
FRA
- MDW
1 stop14h 50m
Multiple Airlines
Sun 8/236:00 am
MDW
- FRA
1 stop16h 45m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$761
This Iberia deal was found by Cheapflights users on 7/19. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:55 am
FRA
- STL
1 stop16h 31m
Iberia
Sun 9/612:45 pm
STL
- FRA
1 stop13h 00m
Iberia
Deal found 7/19![Iberia logo]()
$725
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 am
FRA
- MDW
2 stops16h 15m
Delta
Tue 9/85:45 pm
MDW
- FRA
2 stops13h 35m
Delta
Deal found 7/17![Delta logo]()
$777
This Flysmarter deal was found by Cheapflights users on 7/18. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3010:55 am
FRA
- STL
1 stop19h 47m
Multiple Airlines
Sun 9/139:40 pm
STL
- FRA
1 stop17h 40m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$711
This Expedia deal was found by Cheapflights users on 7/18. 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.
Sun 8/306:30 am
FRA
- STL
2 stops24h 28m
Iberia
Mon 9/1412:46 pm
STL
- FRA
1 stop12h 59m
Iberia
Deal found 7/18![Iberia logo]()
$721
This Flysmarter deal was found by Cheapflights users on 7/17. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3110:55 am
FRA
- STL
1 stop19h 47m
Iberia
Mon 9/710:16 am
STL
- FRA
1 stop15h 29m
Iberia
Deal found 7/17![Iberia logo]()
$722
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:00 am
FRA
- MDW
2 stops16h 59m
Delta
Mon 9/71:19 pm
MDW
- FRA
1 stop13h 31m
Delta
Deal found 7/17![Delta logo]()
$780
One-way flights from Frankfurt to IllinoisSearch for one-way flight options from Frankfurt to Illinois. Find affordable one-way fares based on user searches. Data last updated July 20, 2026.
Search for one-way flight options from Frankfurt to Illinois. Find affordable one-way fares based on user searches. Data last updated July 20, 2026.
This Mytrip deal was found by Cheapflights users on 7/20. 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 9/98:40 pm
FRA
- ORD
3 stops30h 08m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$417
This Iberia deal was found by Cheapflights users on 7/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:55 am
FRA
- ORD
1 stop17h 14m
Iberia
Deal found 7/20![Iberia logo]()
$424
This Iberia deal was found by Cheapflights users on 7/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:35 am
FRA
- ORD
1 stop14h 00m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$425
This Iberia deal was found by Cheapflights users on 7/17. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2910:55 am
FRA
- STL
1 stop19h 48m
Iberia
Deal found 7/17![Iberia logo]()
$437
This Expedia deal was found by Cheapflights users on 7/19. 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 10/287:35 pm
FRA
- STL
2 stops31h 33m
Iberia
Deal found 7/19![Iberia logo]()
$449
This FlightHub deal was found by Cheapflights users on 7/20. 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 9/278:00 pm
FRA
- ORD
1 stop30h 50m
LOT
Deal found 7/20![LOT logo]()
$457
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 9/147:00 am
FRA
- STL
3 stops57h 40m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$474
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:50 pm
FRA
- ORD
2 stops26h 15m
LOT
Deal found 7/20![LOT logo]()
$479
This American Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:30 am
FRA
- STL
2 stops16h 14m
American Airlines
Deal found 7/18![American Airlines logo]()
$486
This British Airways deal was found by Cheapflights users on 7/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:55 am
FRA
- STL
1 stop29h 29m
British Airways
Deal found 7/16![British Airways logo]()
$493
This British Airways deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:55 am
FRA
- STL
1 stop29h 25m
British Airways
Deal found 7/20![British Airways logo]()
$495
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 10/269:55 am
FRA
- ORD
2 stops38h 55m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$501
Find flight deals from Frankfurt to Illinois
Keep the following information in mind while searching for Frankfurt to Illinois flight deals. Data was last updated July 20, 2026.
Round-trip from | $673 (Icelandair) |
|---|---|
One-way from | $417 (Mytrip) |
Popular in | July |
Cheapest in | February |
Average price | $976 |
Good round-trip deal | $811 or less |
Good one-way deal | $874 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Frankfurt to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 20, 2026.
Use the filters below to find and compare flights from Frankfurt am Main Airport to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Frankfurt am MainChicago
FRA - ORD
FRAORD
Frankfurt am Main
Tue 9/15
8:30 pm-9:24 am
2 stops43h 54m
Chicago O'Hare Intl
Mon 9/28
7:15 pm-2:35 pm
1 stop12h 20m
$750
Frankfurt am MainChicago
FRA - ORD
FRAORD
Frankfurt am Main
Sat 11/21
10:30 am-10:04 pm
2 stops18h 34m
Chicago O'Hare Intl
Fri 11/27
7:15 pm-9:45 am
1 stop31h 30m
$754
Frankfurt am MainChicago
FRA - ORD
FRAORD
Frankfurt am Main
Thu 10/29
6:50 am-3:25 pm
1 stop14h 35m
Chicago O'Hare Intl
Sun 11/15
5:45 pm-2:20 pm
2 stops13h 35m
$770
Frankfurt am MainChicago
FRA - ORD
FRAORD
Frankfurt am Main
Thu 9/17
10:15 am-2:15 pm
1 stop11h 00m
Chicago O'Hare Intl
Thu 9/24
5:10 pm-2:20 pm
2 stops14h 10m
$770
Frankfurt am MainChicago
FRA - ORD
FRAORD
Frankfurt am Main
Tue 9/1
10:15 am-2:15 pm
1 stop11h 00m
Chicago O'Hare Intl
Tue 9/22
1:29 pm-11:25 am
2 stops14h 56m
$771
Frankfurt am MainChicago
FRA - ORD
FRAORD
Frankfurt am Main
Fri 9/4
6:35 am-12:35 pm
1 stop13h 00m
Chicago O'Hare Intl
Tue 9/29
4:05 pm-7:25 am
Nonstop8h 20m
$775
Frankfurt am MainChicago
FRA - ORD
FRAORD
Frankfurt am Main
Thu 8/20
4:30 pm-12:35 pm
1 stop27h 05m
Chicago O'Hare Intl
Wed 9/2
3:10 pm-6:30 am
Nonstop8h 20m
$775
Frankfurt am MainSt. Louis
FRA - STL
FRASTL
Frankfurt am Main
Mon 8/24
7:00 am-5:38 pm
2 stops17h 38m
Lambert-St Louis
Sun 9/6
10:33 am-11:25 am
2 stops17h 52m
$775
Frankfurt am MainChicago
FRA - MDW
FRAMDW
Frankfurt am Main
Thu 10/29
6:50 am-6:05 pm
2 stops17h 15m
Chicago Midway
Sun 11/15
6:30 pm-2:20 pm
2 stops12h 50m
$775
Frankfurt am MainChicago
FRA - MDW
FRAMDW
Frankfurt am Main
Fri 9/4
7:00 am-6:33 pm
2 stops18h 33m
Chicago Midway
Fri 9/25
1:19 pm-11:25 am
2 stops15h 06m
$775
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Frankfurt to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Frankfurt with our price prediction graph.
FRA-ORD
FRA-STL
FRA-MDW
FRA-MLI
FRA-EVV
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 Frankfurt am Main Airport to Illinois
FRA-USIL
FRA-ORD
FRA-STL
FRA-MDW
FRA-MLI
What is the cheapest month to book a flight from Frankfurt am Main Airport to Illinois?
Currently, November is the cheapest month in which you can book a flight from Frankfurt am Main Airport to Illinois (average of $693). Flying from Frankfurt am Main Airport to Illinois in July is currently the most expensive (average of $984). 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.
What is the cheapest time of day to fly from FRA to IL?
Find hourly flight availability from Frankfurt to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 20, 2026.
When flying from Frankfurt am Main Airport to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Frankfurt am Main Airport to Illinois
Explore weekly flight availability from Frankfurt to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 20, 2026.
The most flights from FRA to USIL are scheduled on a Monday (13 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (13 on average).
How much does it cost to fly round-trip from Frankfurt am Main Airport to Illinois?
How far ahead should I book a flight from Frankfurt am Main Airport to Illinois?
The price you pay for your flight from Frankfurt am Main Airport to Illinois may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated July 20, 2026.
See what other customers who have flown with United Airlines,TAP AIR PORTUGAL, andIcelandair from Frankfurt am Main Airport to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Entertainment
7.1
Food
6.6
Boarding
7.7
Crew
8.1
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2025
YUL - ORD
Overall
7.4
Entertainment
7.1
Food
6.6
Boarding
7.7
Crew
8.1
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2025
YUL - ORD
Overall
7.4
Entertainment
7.1
Food
6.6
Boarding
7.7
Crew
8.1
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2025
YUL - ORD
Overall
7.4
Entertainment
7.1
Food
6.6
Boarding
7.7
Crew
8.1
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2025
YUL - ORD
Overall
7.4
Entertainment
7.1
Food
6.6
Boarding
7.7
Crew
8.1
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Oct 2025
YUL - ORD
Related info for your journey
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Frankfurt and Illinois flights
Browse other Frankfurt and Illinois flight options. Last updated on July 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Frankfurt to Illinois flights
Consider these flights traveling from Frankfurt to Illinois.
Top 2 airlines flying from Frankfurt to Illinois
Discover the top 2 airlines that operate flights from Frankfurt to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$616 | Average$855 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$652 | Average$809 | FlexibilityNo cancel fee | On-time76% |