$328+ Cheap flights from Copenhagen (CPH) 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
CPH — ORD
Mar 7 — Mar 141
1 adult, Economy
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Cheapest flights from Copenhagen to IllinoisExplore the most affordable flight options available from Copenhagen to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.
Explore the most affordable flight options available from Copenhagen to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 4/186:00 am
CPH
- ORD
1 stop17h 15m
TAP AIR PORTUGAL
Fri 5/16:00 pm
ORD
- CPH
1 stop15h 50m
TAP AIR PORTUGAL
Deal found 2/2![TAP AIR PORTUGAL logo]()
$470
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 4/185:40 pm
CPH
- ORD
1 stop29h 20m
TAP AIR PORTUGAL
Sat 5/26:15 pm
ORD
- CPH
1 stop34h 40m
TAP AIR PORTUGAL
Deal found 2/2![TAP AIR PORTUGAL logo]()
$473
This ResecentrumGruppen deal was found by Cheapflights users on 2/3. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1810:35 pm
CPH
- ORD
1 stop29h 50m
Icelandair
Sat 5/2310:25 pm
ORD
- CPH
1 stop10h 30m
Icelandair
Deal found 2/3![Icelandair logo]()
$477
This ResecentrumGruppen deal was found by Cheapflights users on 2/4. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/114:55 pm
CPH
- ORD
1 stop32h 20m
Icelandair
Fri 5/1510:25 pm
ORD
- CPH
1 stop18h 20m
Icelandair
Deal found 2/4![Icelandair logo]()
$485
This Finnair deal was found by Cheapflights users on 2/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:25 pm
CPH
- ORD
2 stops25h 25m
Multiple Airlines
Sat 10/175:00 pm
ORD
- CPH
1 stop11h 05m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$489
This Sembo deal was found by Cheapflights users on 2/2. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/194:55 pm
CPH
- ORD
1 stop11h 30m
Icelandair
Sat 5/27:25 pm
ORD
- CPH
1 stop13h 30m
Icelandair
Deal found 2/2![Icelandair logo]()
$491
This Finnair deal was found by Cheapflights users on 2/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:25 am
CPH
- ORD
1 stop17h 10m
Multiple Airlines
Mon 8/178:45 pm
ORD
- CPH
1 stop13h 05m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$492
This Mytrip deal was found by Cheapflights users on 2/2. 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 3/1012:55 pm
CPH
- ORD
1 stop11h 25m
Icelandair
Wed 6/1010:25 pm
ORD
- CPH
1 stop31h 30m
Icelandair
Deal found 2/2![Icelandair logo]()
$497
This Ticket deal was found by Cheapflights users on 2/2. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:45 am
CPH
- ORD
1 stop14h 05m
British Airways
Wed 3/116:10 pm
ORD
- CPH
1 stop18h 50m
British Airways
Deal found 2/2![British Airways logo]()
$501
This FlightHub deal was found by Cheapflights users on 2/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:20 am
CPH
- ORD
1 stop21h 05m
Icelandair
Sat 6/1310:25 pm
ORD
- CPH
1 stop16h 20m
Icelandair
Deal found 2/3![Icelandair logo]()
$504
This Cheapflightsfares deal was found by Cheapflights users on 2/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:20 am
CPH
- STL
1 stop14h 05m
Lufthansa
Sun 5/33:30 pm
STL
- CPH
1 stop19h 35m
Lufthansa
Deal found 2/4![Lufthansa logo]()
$575
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/910:10 am
CPH
- STL
2 stops31h 18m
United Airlines
Mon 4/139:10 am
STL
- CPH
2 stops22h 00m
United Airlines
Deal found 2/3![United Airlines logo]()
$578
Best flights from Copenhagen to IllinoisDiscover carefully curated flight deals from Copenhagen to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
Discover carefully curated flight deals from Copenhagen to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
This Ticket deal was found by Cheapflights users on 2/3. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:20 pm
CPH
- ORD
1 stop12h 45m
Multiple Airlines
Wed 3/117:50 pm
ORD
- CPH
1 stop17h 15m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$505
This Icelandair deal was found by Cheapflights users on 2/2. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/194:55 pm
CPH
- ORD
1 stop11h 30m
Icelandair
Sun 5/310:25 pm
ORD
- CPH
1 stop10h 30m
Icelandair
Deal found 2/2![Icelandair logo]()
$518
This Finnair deal was found by Cheapflights users on 2/4. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:25 pm
CPH
- ORD
1 stop12h 25m
Finnair
Fri 5/15:00 pm
ORD
- CPH
2 stops16h 55m
Finnair
Deal found 2/4![Finnair logo]()
$523
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/176:25 am
CPH
- ORD
1 stop16h 00m
American Airlines
Sun 2/226:30 pm
ORD
- CPH
1 stop18h 00m
American Airlines
Deal found 2/3![American Airlines logo]()
$531
This Cheapflightsfares deal was found by Cheapflights users on 2/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:20 am
CPH
- STL
1 stop14h 05m
Lufthansa
Sun 5/33:30 pm
STL
- CPH
1 stop19h 35m
Lufthansa
Deal found 2/4![Lufthansa logo]()
$575
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/910:10 am
CPH
- STL
2 stops31h 18m
United Airlines
Mon 4/139:10 am
STL
- CPH
2 stops22h 00m
United Airlines
Deal found 2/3![United Airlines logo]()
$578
This Delta deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:00 am
CPH
- MDW
2 stops17h 54m
Delta
Tue 3/316:34 pm
MDW
- CPH
2 stops15h 31m
Delta
Deal found 2/5![Delta logo]()
$631
This Virgin Atlantic deal was found by Cheapflights users on 2/3. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:00 am
CPH
- MDW
2 stops20h 28m
Virgin Atlantic
Sat 5/25:21 pm
MDW
- CPH
2 stops30h 24m
Virgin Atlantic
Deal found 2/3![Virgin Atlantic logo]()
$653
This Trip.com deal was found by Cheapflights users on 2/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/269:55 am
CPH
- MDW
2 stops14h 42m
KLM
Wed 3/111:10 pm
MDW
- CPH
2 stops13h 50m
KLM
Deal found 2/3![KLM logo]()
$657
This Icelandair deal was found by Cheapflights users on 2/2. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:35 pm
CPH
- ORD
1 stop29h 50m
Icelandair
Fri 5/110:25 pm
ORD
- CPH
1 stop18h 20m
Icelandair
Deal found 2/2![Icelandair logo]()
$519
This ResecentrumGruppen deal was found by Cheapflights users on 2/3. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/156:30 am
CPH
- ORD
1 stop13h 05m
Multiple Airlines
Thu 6/2511:05 am
ORD
- CPH
1 stop14h 50m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$543
This Icelandair deal was found by Cheapflights users on 2/3. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/212:00 pm
CPH
- ORD
1 stop11h 15m
Icelandair
Fri 4/2410:25 pm
ORD
- CPH
1 stop10h 30m
Icelandair
Deal found 2/3![Icelandair logo]()
$523
This United Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:20 am
CPH
- STL
1 stop14h 05m
United Airlines
Sun 5/39:00 am
STL
- CPH
2 stops19h 35m
United Airlines
Deal found 2/4![United Airlines logo]()
$582
This American Airlines deal was found by Cheapflights users on 2/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/268:50 am
CPH
- STL
2 stops17h 40m
American Airlines
Sun 5/38:03 pm
STL
- CPH
2 stops17h 47m
American Airlines
Deal found 2/4![American Airlines logo]()
$584
This Expedia deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/269:55 am
CPH
- MDW
2 stops14h 42m
Multiple Airlines
Wed 3/111:10 pm
MDW
- CPH
2 stops13h 50m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$648
This Virgin Atlantic deal was found by Cheapflights users on 2/3. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/268:30 am
CPH
- MDW
2 stops21h 01m
Virgin Atlantic
Wed 3/116:07 pm
MDW
- CPH
2 stops21h 58m
Virgin Atlantic
Deal found 2/3![Virgin Atlantic logo]()
$760
This Virgin Atlantic deal was found by Cheapflights users on 2/2. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:40 pm
CPH
- MDW
2 stops32h 48m
Virgin Atlantic
Sat 5/210:43 am
MDW
- CPH
2 stops28h 37m
Virgin Atlantic
Deal found 2/2![Virgin Atlantic logo]()
$810
Last-minute flights from Copenhagen to IllinoisDiscover last-minute flight deals from Copenhagen to Illinois. Data last updated February 5, 2026 and is based on user searches.
Discover last-minute flight deals from Copenhagen to Illinois. Data last updated February 5, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 2/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/1312:55 pm
CPH
- ORD
1 stop11h 25m
Icelandair
Fri 2/276:30 pm
ORD
- CPH
1 stop10h 15m
Icelandair
Deal found 2/3![Icelandair logo]()
$515
This American Airlines deal was found by Cheapflights users on 2/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/178:40 am
CPH
- ORD
2 stops18h 00m
American Airlines
Sun 2/226:30 pm
ORD
- CPH
1 stop18h 00m
American Airlines
Deal found 2/2![American Airlines logo]()
$527
This KLM deal was found by Cheapflights users on 2/4. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/172:15 pm
CPH
- ORD
1 stop31h 05m
Multiple Airlines
Sun 2/225:20 pm
ORD
- CPH
1 stop33h 00m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$535
This Booking.com deal was found by Cheapflights users on 2/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/189:30 pm
CPH
- ORD
1 stop26h 50m
Icelandair
Sun 2/226:30 pm
ORD
- CPH
1 stop18h 20m
Icelandair
Deal found 2/2![Icelandair logo]()
$518
This Ticket deal was found by Cheapflights users on 2/2. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:45 am
CPH
- ORD
1 stop14h 05m
British Airways
Wed 3/116:10 pm
ORD
- CPH
1 stop18h 50m
British Airways
Deal found 2/2![British Airways logo]()
$501
This Ticket deal was found by Cheapflights users on 2/3. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:20 pm
CPH
- ORD
1 stop12h 45m
Multiple Airlines
Wed 3/117:50 pm
ORD
- CPH
1 stop17h 15m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$505
This Expedia deal was found by Cheapflights users on 2/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:15 pm
CPH
- ORD
2 stops16h 41m
KLM
Wed 3/115:25 pm
ORD
- CPH
1 stop11h 50m
KLM
Deal found 2/3![KLM logo]()
$533
This Expedia deal was found by Cheapflights users on 2/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/269:55 am
CPH
- MDW
2 stops14h 42m
Multiple Airlines
Wed 3/111:10 pm
MDW
- CPH
2 stops13h 50m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$648
This Trip.com deal was found by Cheapflights users on 2/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/269:55 am
CPH
- MDW
2 stops14h 42m
KLM
Wed 3/111:10 pm
MDW
- CPH
2 stops13h 50m
KLM
Deal found 2/3![KLM logo]()
$657
This Virgin Atlantic deal was found by Cheapflights users on 2/3. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/268:30 am
CPH
- MDW
2 stops21h 01m
Virgin Atlantic
Wed 3/116:07 pm
MDW
- CPH
2 stops21h 58m
Virgin Atlantic
Deal found 2/3![Virgin Atlantic logo]()
$760
This Mytrip deal was found by Cheapflights users on 2/2. 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 3/1012:55 pm
CPH
- ORD
1 stop11h 25m
Icelandair
Wed 6/1010:25 pm
ORD
- CPH
1 stop31h 30m
Icelandair
Deal found 2/2![Icelandair logo]()
$497
This Delta deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/246:00 am
CPH
- MDW
2 stops17h 54m
Delta
Tue 3/316:34 pm
MDW
- CPH
2 stops15h 31m
Delta
Deal found 2/5![Delta logo]()
$631
One-way flights from Copenhagen to IllinoisSearch for one-way flight options from Copenhagen to Illinois. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
Search for one-way flight options from Copenhagen to Illinois. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/249:10 pm
CPH
- ORD
2 stops43h 10m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$328
This American Airlines deal was found by Cheapflights users on 2/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/228:50 am
CPH
- ORD
1 stop16h 00m
American Airlines
Deal found 2/4![American Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/148:50 am
CPH
- ORD
1 stop16h 00m
American Airlines
Deal found 2/3![American Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 2/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:50 am
CPH
- ORD
1 stop16h 00m
American Airlines
Deal found 2/2![American Airlines logo]()
$333
This Flysmarter deal was found by Cheapflights users on 2/4. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:45 pm
CPH
- ORD
1 stop23h 05m
British Airways
Deal found 2/4![British Airways logo]()
$338
This Finnair deal was found by Cheapflights users on 2/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/89:45 pm
CPH
- ORD
1 stop21h 45m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$340
This Finnair deal was found by Cheapflights users on 2/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:00 am
CPH
- ORD
1 stop17h 35m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$342
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/103:20 pm
CPH
- ORD
1 stop15h 14m
American Airlines
Deal found 2/3![American Airlines logo]()
$343
This American Airlines deal was found by Cheapflights users on 2/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:15 am
CPH
- ORD
1 stop17h 20m
American Airlines
Deal found 2/4![American Airlines logo]()
$344
This American Airlines deal was found by Cheapflights users on 2/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/233:20 pm
CPH
- ORD
1 stop13h 15m
American Airlines
Deal found 2/2![American Airlines logo]()
$346
This Priceline deal was found by Cheapflights users on 2/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:00 pm
CPH
- ORD
2 stops28h 55m
Finnair
Deal found 2/3![Finnair logo]()
$347
This American Airlines deal was found by Cheapflights users on 2/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:20 am
CPH
- ORD
2 stops34h 50m
American Airlines
Deal found 2/4![American Airlines logo]()
$348
Find flight deals from Copenhagen to Illinois
Keep the following information in mind while searching for Copenhagen to Illinois flight deals. Data was last updated February 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $470 (Kiwi.com) |
One-way from | $328 (Kiwi.com) |
Popular in | July |
Cheapest in | September |
Average price | $541 |
Good round-trip deal | $470 or less |
Good one-way deal | $702 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Copenhagen 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 February 5, 2026.
Use the filters below to find and compare flights from Copenhagen to Illinois that are best for you.
Fly from
Copenhagen
Fly to
Illinois
Route
Depart
Return
Price
CopenhagenChicago
CPH - ORD
CPHORD
Kastrup Copenhagen
Thu 2/26
2:20 pm-8:05 pm
1 stop12h 45m
Chicago O'Hare Intl
Wed 3/11
7:50 pm-7:05 pm
1 stop17h 15m
$505
CopenhagenChicago
CPH - ORD
CPHORD
Kastrup Copenhagen
Sun 4/19
4:55 pm-9:25 pm
1 stop11h 30m
Chicago O'Hare Intl
Sun 5/3
10:25 pm-3:55 pm
1 stop10h 30m
$518
CopenhagenChicago
CPH - ORD
CPHORD
Kastrup Copenhagen
Thu 4/16
10:35 pm-9:25 pm
1 stop29h 50m
Chicago O'Hare Intl
Fri 5/1
10:25 pm-11:45 pm
1 stop18h 20m
$519
CopenhagenChicago
CPH - ORD
CPHORD
Kastrup Copenhagen
Sat 4/18
12:25 pm-5:50 pm
1 stop12h 25m
Chicago O'Hare Intl
Fri 5/1
5:00 pm-4:55 pm
2 stops16h 55m
$523
CopenhagenChicago
CPH - ORD
CPHORD
Kastrup Copenhagen
Tue 4/21
2:00 pm-6:15 pm
1 stop11h 15m
Chicago O'Hare Intl
Fri 4/24
10:25 pm-3:55 pm
1 stop10h 30m
$523
CopenhagenChicago
CPH - ORD
CPHORD
Kastrup Copenhagen
Tue 2/17
6:25 am-3:25 pm
1 stop16h 00m
Chicago O'Hare Intl
Sun 2/22
6:30 pm-7:30 pm
1 stop18h 00m
$531
CopenhagenChicago
CPH - ORD
CPHORD
Kastrup Copenhagen
Mon 6/15
6:30 am-12:35 pm
1 stop13h 05m
Chicago O'Hare Intl
Thu 6/25
11:05 am-8:55 am
1 stop14h 50m
$543
CopenhagenSt. Louis
CPH - STL
CPHSTL
Kastrup Copenhagen
Sun 4/26
6:20 am-1:25 pm
1 stop14h 05m
Lambert-St Louis
Sun 5/3
3:30 pm-6:05 pm
1 stop19h 35m
$575
CopenhagenSt. Louis
CPH - STL
CPHSTL
Kastrup Copenhagen
Thu 4/9
10:10 am-10:28 am
2 stops31h 18m
Lambert-St Louis
Mon 4/13
9:10 am-2:10 pm
2 stops22h 00m
$578
CopenhagenSt. Louis
CPH - STL
CPHSTL
Kastrup Copenhagen
Sun 4/26
6:20 am-1:25 pm
1 stop14h 05m
Lambert-St Louis
Sun 5/3
9:00 am-11:35 am
2 stops19h 35m
$582
Showing 1-10 of 44 results
Best time to book a flight from Copenhagen to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Copenhagen with our price prediction graph.
CPH-ORD
CPH-STL
CPH-MDW
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 Copenhagen to Illinois
CPH-USIL
CPH-ORD
CPH-STL
CPH-MDW
What is the cheapest month to book a flight from Copenhagen to Illinois?
Currently, March is the cheapest month in which you can book a flight from Copenhagen to Illinois (average of $383). Flying from Copenhagen to Illinois in July is currently the most expensive (average of $543). 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 CPH to IL?
Find hourly flight availability from Copenhagen 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 February 5, 2026.
When flying from Copenhagen 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.
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 February 5, 2026.
Peruse reviews from past customers who have flown with United Airlines, Scandinavian Airlines, and American Airlines from Copenhagen to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.6
Overall
7.4
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Crew
8.1
Reviews
1 / 20
6.0
GoodGerry,Jan 2026
YVR - DEN
Food
6.6
Overall
7.4
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Crew
8.1
Reviews
1 / 20
6.0
GoodGerry,Jan 2026
YVR - DEN
Food
6.6
Overall
7.4
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Crew
8.1
Reviews
1 / 20
6.0
GoodGerry,Jan 2026
YVR - DEN
Food
6.6
Overall
7.4
Entertainment
7.1
Comfort
7.3
Boarding
7.7
Crew
8.1
Reviews
1 / 20
6.0
GoodGerry,Jan 2026
YVR - DEN
Related info for your journey
Find useful and relevant information for your journey from Copenhagen to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Copenhagen to Illinois
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Complete your trip
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Search flights from Copenhagen to Illinois by cabin class
Find flights from Copenhagen to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Copenhagen and Illinois flights
Browse other Copenhagen and Illinois flight options. Last updated on February 5, 2026.
Popular flight searches
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Copenhagen to Illinois flights
Consider these flights traveling from Copenhagen to Illinois.
Top airline flying from Copenhagen to Illinois
Discover the top airline that operate flights from Copenhagen 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 February 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$533 | Average$851 | FlexibilityNo cancel fee | On-time77% |