$275+ Cheap flights from Illinois to Finland
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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HEL
Jul 27 — Aug 31
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Illinois to Finland with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Finland
Cheapest
Best
Last-minute
One-way
Cheapest flights from Illinois to FinlandExplore the most affordable flight options available from Illinois to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 27, 2026.
Explore the most affordable flight options available from Illinois to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 27, 2026.
This oojo deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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.
Wed 11/257:15 pm
ORD
- HEL
1 stop12h 10m
Scandinavian Airlines
Mon 11/308:55 pm
HEL
- ORD
2 stops27h 50m
Scandinavian Airlines
Deal found 6/24![Scandinavian Airlines logo]()
$636
This Cheapflightsfares deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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.
Mon 11/97:15 pm
ORD
- HEL
1 stop12h 10m
Scandinavian Airlines
Fri 11/276:15 am
HEL
- ORD
1 stop18h 30m
Scandinavian Airlines
Deal found 6/25![Scandinavian Airlines logo]()
$637
This Cheapflightsfares deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 10/217:15 pm
ORD
- HEL
1 stop17h 10m
Scandinavian Airlines
Tue 11/311:15 am
HEL
- ORD
1 stop13h 30m
Scandinavian Airlines
Deal found 6/24![Scandinavian Airlines logo]()
$638
This Cheapflightsfares deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 11/117:15 pm
ORD
- HEL
1 stop22h 20m
Scandinavian Airlines
Tue 11/1711:05 am
HEL
- ORD
2 stops13h 40m
Scandinavian Airlines
Deal found 6/23![Scandinavian Airlines logo]()
$645
This FlightHub deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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.
Tue 11/247:15 pm
ORD
- HEL
1 stop31h 20m
Scandinavian Airlines
Mon 11/309:00 pm
HEL
- ORD
1 stop27h 45m
Scandinavian Airlines
Deal found 6/25![Scandinavian Airlines logo]()
$648
This FlightHub deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:15 pm
ORD
- HEL
1 stop12h 05m
Scandinavian Airlines
Mon 10/194:00 pm
HEL
- ORD
1 stop32h 10m
Scandinavian Airlines
Deal found 6/24![Scandinavian Airlines logo]()
$649
This Cheapflightsfares deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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.
Fri 10/307:30 pm
ORD
- HEL
1 stop10h 30m
Icelandair
Sat 11/72:00 pm
HEL
- ORD
1 stop11h 20m
Icelandair
Deal found 6/26![Icelandair logo]()
$650
This Scandinavian Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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.
Sun 12/67:15 pm
ORD
- HEL
1 stop12h 10m
Scandinavian Airlines
Thu 12/109:00 pm
HEL
- ORD
1 stop27h 45m
Scandinavian Airlines
Deal found 6/24![Scandinavian Airlines logo]()
$671
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 10/156:30 pm
MDW
- HEL
2 stops14h 10m
Delta
Mon 10/197:00 am
HEL
- MDW
2 stops17h 50m
Delta
Deal found 6/25![Delta logo]()
$716
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 9/157:01 pm
MDW
- HEL
2 stops14h 39m
Delta
Sun 9/207:00 am
HEL
- MDW
2 stops19h 19m
Delta
Deal found 6/25![Delta logo]()
$720
This FlightHub deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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.
Mon 11/97:04 pm
STL
- HEL
2 stops15h 46m
Lufthansa
Wed 11/257:05 am
HEL
- STL
1 stop14h 40m
Lufthansa
Deal found 6/22![Lufthansa logo]()
$724
This Iberia deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 11/95:17 am
STL
- HEL
1 stop21h 53m
Multiple Airlines
Tue 11/2412:30 pm
HEL
- STL
1 stop15h 00m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$727
Best flights from Illinois to FinlandDiscover carefully curated flight deals from Illinois to Finland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 27, 2026.
Discover carefully curated flight deals from Illinois to Finland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 27, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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.
Fri 10/307:30 pm
ORD
- HEL
1 stop10h 30m
Icelandair
Sat 11/72:00 pm
HEL
- ORD
1 stop11h 20m
Icelandair
Deal found 6/26![Icelandair logo]()
$650
This Scandinavian Airlines deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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.
Sun 12/67:15 pm
ORD
- HEL
1 stop12h 10m
Scandinavian Airlines
Thu 12/109:00 pm
HEL
- ORD
1 stop27h 45m
Scandinavian Airlines
Deal found 6/26![Scandinavian Airlines logo]()
$671
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 10/156:30 pm
MDW
- HEL
2 stops14h 10m
Delta
Mon 10/197:00 am
HEL
- MDW
2 stops17h 50m
Delta
Deal found 6/25![Delta logo]()
$716
This Lufthansa deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:04 pm
STL
- HEL
2 stops15h 46m
Lufthansa
Wed 11/257:05 am
HEL
- STL
1 stop14h 40m
Lufthansa
Deal found 6/22![Lufthansa logo]()
$730
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 11/1012:05 pm
STL
- HEL
2 stops15h 55m
United Airlines
Mon 11/2312:45 pm
HEL
- STL
2 stops16h 28m
United Airlines
Deal found 6/22![United Airlines logo]()
$792
This KLM deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 11/84:13 pm
STL
- HEL
2 stops17h 12m
KLM
Mon 11/236:50 am
HEL
- STL
2 stops19h 11m
KLM
Deal found 6/22![KLM logo]()
$793
This Finnair deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:01 pm
ORD
- HEL
1 stop13h 59m
Finnair
Fri 10/94:25 pm
HEL
- ORD
Nonstop9h 25m
Finnair
Deal found 6/22![Finnair logo]()
$873
This Trip.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:15 pm
ORD
- RVN
1 stop33h 15m
Turkish Airlines
Thu 12/173:20 pm
RVN
- ORD
1 stop26h 40m
Turkish Airlines
Deal found 6/24![Turkish Airlines logo]()
$929
This American Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/232:31 pm
STL
- HEL
1 stop15h 44m
American Airlines
Thu 8/67:40 am
HEL
- STL
2 stops18h 25m
American Airlines
Deal found 6/24![American Airlines logo]()
$1,135
This Mytrip deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 12/612:50 pm
ORD
- RVN
3 stops22h 45m
Multiple Airlines
Thu 12/179:05 pm
RVN
- ORD
2 stops26h 25m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$1,348
This Scandinavian Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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.
Wed 10/147:15 pm
ORD
- HEL
2 stops20h 35m
Scandinavian Airlines
Mon 10/1911:15 am
HEL
- ORD
1 stop12h 55m
Scandinavian Airlines
Deal found 6/24![Scandinavian Airlines logo]()
$678
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 10/305:25 pm
MDW
- HEL
2 stops16h 15m
Delta
Sat 11/76:50 am
HEL
- MDW
2 stops19h 47m
Delta
Deal found 6/25![Delta logo]()
$716
This Lufthansa deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:04 pm
STL
- HEL
2 stops15h 46m
Lufthansa
Tue 11/241:45 pm
HEL
- STL
1 stop32h 00m
Lufthansa
Deal found 6/22![Lufthansa logo]()
$750
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 9/151:19 pm
MDW
- HEL
2 stops15h 46m
Delta
Sun 9/207:00 am
HEL
- MDW
2 stops19h 33m
Delta
Deal found 6/22![Delta logo]()
$721
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 12/14:13 pm
STL
- HEL
2 stops16h 27m
Delta
Wed 12/96:50 am
HEL
- STL
2 stops18h 00m
Delta
Deal found 6/22![Delta logo]()
$739
This Scandinavian Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
Fri 10/27:15 pm
ORD
- HEL
2 stops15h 30m
Scandinavian Airlines
Fri 10/92:25 pm
HEL
- ORD
2 stops33h 45m
Scandinavian Airlines
Deal found 6/23![Scandinavian Airlines logo]()
$882
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:25 pm
MDW
- HEL
2 stops20h 15m
Delta
Wed 9/27:00 am
HEL
- MDW
2 stops17h 59m
Delta
Deal found 6/26![Delta logo]()
$750
This United Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 7/2310:20 am
STL
- HEL
2 stops24h 35m
United Airlines
Thu 8/66:35 am
HEL
- STL
2 stops24h 54m
United Airlines
Deal found 6/24![United Airlines logo]()
$1,009
This Trip.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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.
Wed 8/53:30 pm
STL
- HEL
1 stop13h 35m
Lufthansa
Wed 8/126:35 am
HEL
- STL
1 stop14h 50m
Lufthansa
Deal found 6/25![Lufthansa logo]()
$973
This Delta deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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 8/41:25 pm
MDW
- HEL
2 stops19h 15m
Delta
Tue 8/257:00 am
HEL
- MDW
2 stops19h 33m
Delta
Deal found 6/24![Delta logo]()
$776
This Finnair deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:30 pm
ORD
- RVN
2 stops25h 50m
Finnair
Mon 8/175:55 pm
RVN
- ORD
2 stops30h 55m
Finnair
Deal found 6/26![Finnair logo]()
$1,156
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 10/24:59 pm
STL
- HEL
2 stops16h 41m
Delta
Thu 10/87:00 am
HEL
- STL
2 stops21h 37m
Delta
Deal found 6/26![Delta logo]()
$792
This Mytrip deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 12/146:30 pm
ORD
- RVN
2 stops15h 45m
Multiple Airlines
Fri 12/184:30 pm
RVN
- ORD
3 stops32h 20m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$1,399
This Finnair deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:50 pm
ORD
- KEM
2 stops34h 25m
Finnair
Sun 11/154:05 pm
KEM
- ORD
2 stops57h 00m
Finnair
Deal found 6/24![Finnair logo]()
$1,279
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 10/23:05 pm
ORD
- HEL
2 stops17h 35m
Delta
Fri 10/97:00 am
HEL
- ORD
1 stop15h 15m
Delta
Deal found 6/22![Delta logo]()
$840
This Finnair deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:06 pm
ORD
- RVN
2 stops24h 54m
Finnair
Fri 11/205:20 am
RVN
- ORD
2 stops18h 20m
Finnair
Deal found 6/25![Finnair logo]()
$1,334
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 10/31:29 pm
ORD
- HEL
2 stops19h 11m
Delta
Fri 10/97:00 am
HEL
- ORD
2 stops20h 34m
Delta
Deal found 6/22![Delta logo]()
$850
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:44 pm
ORD
- HEL
2 stops19h 56m
Delta
Wed 9/27:00 am
HEL
- ORD
2 stops21h 30m
Delta
Deal found 6/27![Delta logo]()
$912
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 12/145:45 pm
STL
- HEL
2 stops14h 55m
Delta
Mon 12/216:50 am
HEL
- STL
2 stops24h 28m
Delta
Deal found 6/22![Delta logo]()
$918
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:42 pm
MDW
- HEL
2 stops14h 58m
Delta
Thu 8/207:00 am
HEL
- MDW
2 stops19h 33m
Delta
Deal found 6/22![Delta logo]()
$922
Last-minute flights from Illinois to FinlandDiscover last-minute flight deals from Illinois to Finland. Data last updated June 27, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Finland. Data last updated June 27, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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.
Mon 7/67:25 pm
ORD
- HEL
1 stop10h 35m
Icelandair
Tue 7/143:00 pm
HEL
- ORD
1 stop14h 25m
Icelandair
Deal found 6/22![Icelandair logo]()
$763
This Icelandair deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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.
Fri 7/107:25 pm
ORD
- HEL
1 stop10h 35m
Icelandair
Thu 8/203:00 pm
HEL
- ORD
1 stop11h 15m
Icelandair
Deal found 6/22![Icelandair logo]()
$768
This KLM deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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.
Sat 7/114:20 pm
ORD
- HEL
1 stop12h 45m
KLM
Wed 8/191:55 pm
HEL
- ORD
1 stop32h 20m
KLM
Deal found 6/22![KLM logo]()
$767
This Cheapflightsfares deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1210:25 pm
ORD
- HEL
1 stop16h 05m
Icelandair
Thu 8/203:00 pm
HEL
- ORD
1 stop11h 15m
Icelandair
Deal found 6/22![Icelandair logo]()
$729
This FlightHub deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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.
Mon 7/137:25 pm
ORD
- HEL
1 stop10h 35m
Icelandair
Thu 8/203:00 pm
HEL
- ORD
1 stop11h 15m
Icelandair
Deal found 6/22![Icelandair logo]()
$745
This KLM deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:17 pm
ORD
- HEL
2 stops14h 23m
KLM
Wed 8/191:55 pm
HEL
- ORD
1 stop32h 20m
KLM
Deal found 6/26![KLM logo]()
$771
This Justfly.com deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 7/137:25 pm
ORD
- HEL
1 stop10h 35m
Icelandair
Tue 8/183:00 pm
HEL
- ORD
1 stop11h 15m
Icelandair
Deal found 6/26![Icelandair logo]()
$780
This FlightHub deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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.
Mon 7/137:25 pm
ORD
- HEL
1 stop10h 35m
Icelandair
Wed 8/193:00 pm
HEL
- ORD
1 stop11h 15m
Icelandair
Deal found 6/22![Icelandair logo]()
$781
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/131:18 pm
MDW
- HEL
2 stops19h 22m
Delta
Thu 7/237:00 am
HEL
- MDW
2 stops19h 25m
Delta
Deal found 6/26![Delta logo]()
$925
This KLM deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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.
Tue 7/144:20 pm
ORD
- HEL
1 stop12h 45m
KLM
Tue 8/187:00 am
HEL
- ORD
1 stop15h 15m
KLM
Deal found 6/26![KLM logo]()
$766
This Icelandair deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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.
Tue 7/1410:25 pm
ORD
- HEL
1 stop31h 35m
Icelandair
Sat 8/223:00 pm
HEL
- ORD
1 stop11h 15m
Icelandair
Deal found 6/22![Icelandair logo]()
$769
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 7/157:25 pm
ORD
- HEL
1 stop10h 35m
Icelandair
Mon 8/173:00 pm
HEL
- ORD
1 stop11h 15m
Icelandair
Deal found 6/22![Icelandair logo]()
$801
One-way flights from Illinois to FinlandSearch for one-way flight options from Illinois to Finland. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
Search for one-way flight options from Illinois to Finland. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 9/210:25 pm
ORD
- HEL
3 stops52h 50m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$275
This oojo deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 11/246:30 pm
ORD
- HEL
1 stop10h 30m
Icelandair
Deal found 6/25![Icelandair logo]()
$306
This Mytrip deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 8/187:25 pm
ORD
- HEL
1 stop10h 35m
Icelandair
Deal found 6/23![Icelandair logo]()
$312
This oojo deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” 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 8/147:25 pm
ORD
- HEL
1 stop10h 35m
Icelandair
Deal found 6/25![Icelandair logo]()
$313
This Mytrip deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 8/1810:25 pm
ORD
- HEL
2 stops14h 55m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$316
This Air France deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:20 pm
ORD
- HEL
1 stop15h 20m
Air France
Deal found 6/24![Air France logo]()
$329
This Ticket deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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.
Wed 8/54:50 pm
ORD
- HEL
1 stop23h 35m
Air France
Deal found 6/24![Air France logo]()
$330
This Air France deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:50 pm
ORD
- HEL
1 stop12h 15m
Air France
Deal found 6/25![Air France logo]()
$332
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 8/181:25 pm
MDW
- HEL
2 stops19h 15m
Delta
Deal found 6/22![Delta logo]()
$333
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” 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 11/2411:30 am
ORD
- HEL
2 stops21h 10m
Delta
Deal found 6/22![Delta logo]()
$333
This Ticket deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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.
Tue 8/44:20 pm
ORD
- HEL
1 stop24h 05m
Air France
Deal found 6/24![Air France logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 8/510:25 pm
ORD
- HEL
1 stop31h 35m
Icelandair
Deal found 6/23![Icelandair logo]()
$335
Find flight deals from Illinois to Finland
Keep the following information in mind while searching for Illinois to Finland flight deals. Data was last updated June 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $636 (oojo) |
One-way from | $275 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,151 |
Good round-trip deal | $887 or less |
Good one-way deal | $499 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Finland 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 June 27, 2026.
Use the filters below to find and compare flights from Illinois to Finland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
ChicagoHelsinki
ORD - HEL
ORDHEL
Chicago O'Hare Intl
Fri 10/30
7:30 pm-1:00 pm
1 stop10h 30m
Helsinki-Vantaa
Sat 11/7
2:00 pm-5:20 pm
1 stop11h 20m
$650
ChicagoHelsinki
ORD - HEL
ORDHEL
Chicago O'Hare Intl
Sun 12/6
7:15 pm-3:25 pm
1 stop12h 10m
Helsinki-Vantaa
Thu 12/10
9:00 pm-4:45 pm
1 stop27h 45m
$671
ChicagoHelsinki
ORD - HEL
ORDHEL
Chicago O'Hare Intl
Wed 10/14
7:15 pm-11:50 pm
2 stops20h 35m
Helsinki-Vantaa
Mon 10/19
11:15 am-4:10 pm
1 stop12h 55m
$678
ChicagoHelsinki
MDW - HEL
MDWHEL
Chicago Midway
Thu 10/15
6:30 pm-4:40 pm
2 stops14h 10m
Helsinki-Vantaa
Mon 10/19
7:00 am-4:50 pm
2 stops17h 50m
$716
ChicagoHelsinki
MDW - HEL
MDWHEL
Chicago Midway
Fri 10/30
5:25 pm-4:40 pm
2 stops16h 15m
Helsinki-Vantaa
Sat 11/7
6:50 am-6:37 pm
2 stops19h 47m
$716
ChicagoHelsinki
MDW - HEL
MDWHEL
Chicago Midway
Tue 9/15
1:19 pm-1:05 pm
2 stops15h 46m
Helsinki-Vantaa
Sun 9/20
7:00 am-6:33 pm
2 stops19h 33m
$721
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Tue 11/10
7:04 pm-6:50 pm
2 stops15h 46m
Helsinki-Vantaa
Wed 11/25
7:05 am-1:45 pm
1 stop14h 40m
$730
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Tue 12/1
4:13 pm-4:40 pm
2 stops16h 27m
Helsinki-Vantaa
Wed 12/9
6:50 am-4:50 pm
2 stops18h 00m
$739
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Wed 11/11
7:04 pm-6:50 pm
2 stops15h 46m
Helsinki-Vantaa
Tue 11/24
1:45 pm-1:45 pm
1 stop32h 00m
$750
ChicagoHelsinki
MDW - HEL
MDWHEL
Chicago Midway
Thu 8/20
1:25 pm-5:40 pm
2 stops20h 15m
Helsinki-Vantaa
Wed 9/2
7:00 am-4:59 pm
2 stops17h 59m
$750
Showing 1-10 of 53 resultsSorted by cheapest first
Best time to book a flight from Illinois to Finland
Have a flexible travel schedule? Discover the best time to fly to Finland from Illinois with our price prediction graph.
ORD-HEL
MDW-HEL
STL-HEL
ORD-RVN
ORD-KEM
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 Finland
USIL-FI0
ORD-HEL
MDW-HEL
STL-HEL
ORD-RVN
What is the cheapest month to book a flight from Illinois to Finland?
Currently, July is the cheapest month in which you can book a flight from Illinois to Finland (average of $60). Flying from Illinois to Finland in June is currently the most expensive (average of $721). 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 IL to FI?
Find hourly flight availability from Illinois to Finland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 27, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Finland as you normally would.
Weekly flight availability from Illinois to Finland
Explore weekly flight availability from Illinois to Finland. 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 June 27, 2026.
The most flights from USIL to FI0 are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).
How far ahead should I book a flight from Illinois to Finland?
To ensure you get the cheapest price possible for a flight from Illinois to Finland, you should look to book at least 78 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 Finland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Top regions
Alternative routes for Illinois to Finland
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Finland by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Finland by cabin class
Find flights from Illinois to Finland, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Finland flights
Browse other Illinois and Finland flight options. Last updated on June 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Illinois to Finland flights
Consider these flights traveling from Illinois to Finland.
Fly to Finland regions
Consider these flights traveling to Finland regions.
Top 5 airlines flying from Illinois to Finland
Discover the top 5 airlines that operate flights from Illinois to Finland. 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 June 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$419 | Average$720 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$429 | Average$561 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$518 | Average$885 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$658 | Average$1,044 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$815 | Average$1,025 | FlexibilityNo cancel fee | On-time69% |