$480+ Cheap flights from London (LON) to Illinois
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ORD
Nov 11 — Nov 181
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from London to Illinois 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 London to Illinois
Cheapest
Best
Last-minute
One-way
Cheapest flights from London to IllinoisExplore the most affordable flight options available from London to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 12, 2026.
Explore the most affordable flight options available from London to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 12, 2026.
This Gotogate deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:00 pm -
1 stop29h 45m
Mon 11/237:10 pm -
2 stops15h 15m
Deal found 10/7![Scandinavian Airlines logo]()
$717
This Mytrip deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” 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 10/218:20 am -
2 stops34h 20m
Sun 10/259:10 pm -
2 stops20h 45m
Deal found 10/7![Multiple Airlines logo]()
$719
This lol.travel deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:20 am -
1 stop12h 25m
Sat 11/287:10 pm -
2 stops17h 40m
Deal found 10/7![Scandinavian Airlines logo]()
$721
This Mytrip deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:10 am -
1 stop14h 00m
Mon 11/238:05 pm -
1 stop15h 55m
Deal found 10/8![Multiple Airlines logo]()
$721
This Mytrip deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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.
Thu 10/297:50 am -
2 stops15h 30m
Wed 11/116:30 pm -
2 stops20h 35m
Deal found 10/11![Multiple Airlines logo]()
$722
This Mytrip deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:00 am -
2 stops16h 20m
Tue 12/16:30 pm -
2 stops15h 50m
Deal found 10/8![Multiple Airlines logo]()
$723
This oojo deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” 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.
Thu 10/299:05 pm -
2 stops25h 40m
Mon 11/27:10 pm -
2 stops20h 25m
Deal found 10/9![Scandinavian Airlines logo]()
$723
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:20 am -
1 stop15h 25m
Fri 12/117:10 pm -
1 stop11h 20m
Deal found 10/9![Multiple Airlines logo]()
$723
This Expedia deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” 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.
Sat 11/216:40 am -
1 stop16h 05m
Sat 12/57:10 pm -
2 stops15h 15m
Deal found 10/9![Scandinavian Airlines logo]()
$724
This Mytrip deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” 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.
Thu 11/58:25 pm -
2 stops33h 22m
Thu 11/126:08 am -
1 stop18h 17m
Deal found 10/8![Multiple Airlines logo]()
$724
This oojo deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” 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.
Sat 11/141:55 pm -
2 stops32h 50m
Sat 11/287:10 pm -
2 stops15h 15m
Deal found 10/9![Scandinavian Airlines logo]()
$725
This Mytrip deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:05 pm -
2 stops30h 40m
Mon 11/237:10 pm -
2 stops20h 45m
Deal found 10/11![Multiple Airlines logo]()
$725
Best flights from London to IllinoisDiscover carefully curated flight deals from London to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 12, 2026.
Discover carefully curated flight deals from London to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 12, 2026.
This Mytrip deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals ”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/99:45 pm -
2 stops25h 35m
Tue 1/199:00 pm -
1 stop17h 00m
Deal found 10/7![Multiple Airlines logo]()
$718
This Scandinavian Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 10/287:05 am -
2 stops15h 40m
Mon 11/97:10 pm -
2 stops20h 10m
Deal found 10/11![Scandinavian Airlines logo]()
$735
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:35 pm -
2 stops47h 55m
Sun 11/158:10 pm -
1 stop13h 35m
Deal found 10/8![TAP AIR PORTUGAL logo]()
$809
This Austrian Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:05 am -
1 stop34h 55m
Sun 11/293:45 pm -
Nonstop8h 10m
Deal found 10/10![Austrian Airlines logo]()
$864
This Delta deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:30 am -
2 stops17h 34m
Mon 11/301:05 pm -
1 stop16h 35m
Deal found 10/9![Delta logo]()
$867
This Virgin Atlantic deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:30 am -
2 stops22h 24m
Wed 11/1811:27 am -
2 stops13h 23m
Deal found 10/12![Virgin Atlantic logo]()
$869
This United Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” 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 1/97:30 am -
1 stop13h 50m
Tue 1/194:30 pm -
1 stop10h 40m
Deal found 10/8![United Airlines logo]()
$880
This British Airways deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” 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.
Sat 11/214:30 pm -
Nonstop8h 55m
Mon 11/308:00 pm -
Nonstop8h 00m
Deal found 10/9![British Airways logo]()
$922
This KLM deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” 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 11/911:20 am -
1 stop12h 44m
Mon 11/231:31 pm -
1 stop11h 34m
Deal found 10/9![KLM logo]()
$928
This SWISS deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:40 pm -
1 stop27h 35m
Sun 11/299:35 pm -
2 stops14h 15m
Deal found 10/8![SWISS logo]()
$935
This Turkish Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:20 pm -
1 stop22h 40m
Thu 11/2611:45 am -
1 stop22h 35m
Deal found 10/8![Turkish Airlines logo]()
$946
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:15 am -
1 stop13h 55m
Sun 11/223:55 pm -
1 stop11h 15m
Deal found 10/8![Multiple Airlines logo]()
$741
This Scandinavian Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 10/3110:20 am -
1 stop12h 25m
Wed 11/47:10 pm -
2 stops56h 25m
Deal found 10/11![Scandinavian Airlines logo]()
$743
This Scandinavian Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” 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 11/16:40 am -
1 stop16h 05m
Fri 11/67:10 pm -
2 stops31h 45m
Deal found 10/8![Scandinavian Airlines logo]()
$749
This Virgin Atlantic deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” 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.
Mon 11/911:30 am -
2 stops17h 24m
Mon 11/239:30 am -
2 stops14h 55m
Deal found 10/8![Virgin Atlantic logo]()
$875
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” 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 12/157:45 am -
2 stops15h 35m
Tue 1/59:00 pm -
1 stop17h 00m
Deal found 10/7![Multiple Airlines logo]()
$803
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:25 pm -
1 stop29h 35m
Sat 10/246:05 pm -
2 stops35h 00m
Deal found 10/11![TAP AIR PORTUGAL logo]()
$904
This United Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” 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 11/67:40 am -
Nonstop9h 05m
Fri 11/135:45 pm -
Nonstop8h 10m
Deal found 10/7![United Airlines logo]()
$937
This Turkish Airlines deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:55 am -
1 stop37h 25m
Mon 11/2311:45 am -
1 stop22h 35m
Deal found 10/9![Turkish Airlines logo]()
$946
This Delta deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” 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 11/66:30 am -
2 stops17h 30m
Fri 11/135:13 pm -
1 stop12h 27m
Deal found 10/8![Delta logo]()
$948
This SWISS deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:05 pm -
1 stop23h 35m
Mon 11/239:35 pm -
2 stops14h 55m
Deal found 10/9![SWISS logo]()
$961
This Virgin Atlantic deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” 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 2/168:40 am -
2 stops15h 57m
Tue 2/2312:30 pm -
1 stop12h 35m
Deal found 10/9![Virgin Atlantic logo]()
$879
This Mytrip deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/96:35 am -
2 stops16h 45m
Tue 1/199:00 pm -
1 stop11h 05m
Deal found 10/7![Multiple Airlines logo]()
$815
This Scandinavian Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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.
Mon 11/96:40 am -
2 stops21h 56m
Mon 11/237:10 pm -
2 stops15h 15m
Deal found 10/11![Scandinavian Airlines logo]()
$825
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/174:00 pm -
1 stop29h 30m
Fri 1/18:10 pm -
2 stops30h 10m
Deal found 10/11![TAP AIR PORTUGAL logo]()
$909
This British Airways deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” 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 11/96:50 am -
1 stop13h 20m
Mon 11/238:05 pm -
1 stop10h 35m
Deal found 10/7![British Airways logo]()
$1,011
This Turkish Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:30 am -
1 stop33h 30m
Mon 11/238:15 pm -
1 stop30h 55m
Deal found 10/7![Turkish Airlines logo]()
$954
This Virgin Atlantic deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” 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.
Mon 11/1610:00 am -
2 stops17h 42m
Mon 11/237:05 am -
2 stops19h 55m
Deal found 10/10![Virgin Atlantic logo]()
$890
This SWISS deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:05 am -
2 stops15h 10m
Sun 11/299:35 pm -
2 stops14h 15m
Deal found 10/11![SWISS logo]()
$982
This Booking.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” 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 11/187:30 am -
1 stop12h 40m
Tue 11/243:55 pm -
1 stop12h 40m
Deal found 10/9![Multiple Airlines logo]()
$825
Last-minute flights from London to IllinoisDiscover last-minute flight deals from London to Illinois. Data last updated October 12, 2026 and is based on user searches.
Discover last-minute flight deals from London to Illinois. Data last updated October 12, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” 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 10/218:20 am -
2 stops34h 20m
Sun 10/259:10 pm -
2 stops20h 45m
Deal found 10/7![Multiple Airlines logo]()
$719
This Mytrip deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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.
Thu 10/297:50 am -
2 stops15h 30m
Wed 11/116:30 pm -
2 stops20h 35m
Deal found 10/11![Multiple Airlines logo]()
$722
This oojo deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” 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.
Thu 10/299:05 pm -
2 stops25h 40m
Mon 11/27:10 pm -
2 stops20h 25m
Deal found 10/9![Scandinavian Airlines logo]()
$723
This Mytrip deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” 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.
Thu 11/58:25 pm -
2 stops33h 22m
Thu 11/126:08 am -
1 stop18h 17m
Deal found 10/8![Multiple Airlines logo]()
$724
This Gotogate deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:00 pm -
1 stop29h 45m
Mon 11/237:10 pm -
2 stops15h 15m
Deal found 10/7![Scandinavian Airlines logo]()
$717
This Mytrip deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:10 am -
1 stop14h 00m
Mon 11/238:05 pm -
1 stop15h 55m
Deal found 10/8![Multiple Airlines logo]()
$721
This Mytrip deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:05 pm -
2 stops30h 40m
Mon 11/237:10 pm -
2 stops20h 45m
Deal found 10/11![Multiple Airlines logo]()
$725
This Mytrip deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:00 am -
2 stops16h 20m
Tue 12/16:30 pm -
2 stops15h 50m
Deal found 10/8![Multiple Airlines logo]()
$723
This oojo deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” 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.
Sat 11/141:55 pm -
2 stops32h 50m
Sat 11/287:10 pm -
2 stops15h 15m
Deal found 10/9![Scandinavian Airlines logo]()
$725
This Mytrip deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:30 pm -
2 stops34h 17m
Mon 11/239:09 am -
2 stops26h 31m
Deal found 10/10![Multiple Airlines logo]()
$725
This lol.travel deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:20 am -
1 stop12h 25m
Sat 11/287:10 pm -
2 stops17h 40m
Deal found 10/7![Scandinavian Airlines logo]()
$721
This Expedia deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” 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.
Sat 11/216:40 am -
1 stop16h 05m
Sat 12/57:10 pm -
2 stops15h 15m
Deal found 10/9![Scandinavian Airlines logo]()
$724
One-way flights from London to IllinoisSearch for one-way flight options from London to Illinois. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
Search for one-way flight options from London to Illinois. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” 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 12/87:30 pm -
2 stops28h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Multiple Airlines logo]()
$480
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” 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 12/2110:55 am -
3 stops36h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$481
This FlightHub deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” 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 12/812:15 pm -
1 stop11h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Icelandair logo]()
$481
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:05 pm -
2 stops46h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$481
This Kiwi.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:15 pm -
3 stops48h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Multiple Airlines logo]()
$482
This Kissandfly.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:40 am -
3 stops40h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Multiple Airlines logo]()
$482
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” 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 12/149:45 pm -
3 stops25h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$482
This Mytrip deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:40 am -
2 stops16h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Multiple Airlines logo]()
$483
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” 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 12/2112:15 pm -
3 stops35h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$483
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:35 pm -
3 stops34h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$484
This Trip.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” 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 11/196:40 am -
2 stops16h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Multiple Airlines logo]()
$484
This Kiwi.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” 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 12/226:00 am -
2 stops39h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Multiple Airlines logo]()
$484
Find flight deals from London to Illinois
Keep the following information in mind while searching for London to Illinois flight deals. Data was last updated October 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $717 (Gotogate) |
One-way from | $480 (Kiwi.com) |
Popular in | August |
Cheapest in | February |
Average price | $861 |
Good round-trip deal | $805 or less |
Good one-way deal | $699 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from London 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 7,457,451 searches. Data last updated October 12, 2026.
Use the filters below to find and compare flights from London to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LondonChicago
LTN London Luton - ORD Chicago O'Hare Intl
LTNORD
London Luton
Mon 12/14
4:00 pm-2:10 pm
1 stop28h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$497
LondonChicago
LTN London Luton - ORD Chicago O'Hare Intl
LTNORD
London Luton
Wed 10/21
3:35 pm-12:40 pm
3 stops27h 05m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$504
LondonChicago
STN London Stansted - ORD Chicago O'Hare Intl
STNORD
London Stansted
Tue 12/29
7:15 am-2:10 pm
1 stop12h 55m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$509
LondonChicago
LGW London Gatwick - ORD Chicago O'Hare Intl
LGWORD
London Gatwick
Wed 12/9
8:40 am-4:15 pm
1 stop13h 35m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$521
LondonChicago
LTN London Luton - ORD Chicago O'Hare Intl
LTNORD
London Luton
Mon 12/21
7:10 pm-2:10 pm
1 stop25h 00m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$546
LondonChicago
LTN London Luton - ORD Chicago O'Hare Intl
LTNORD
London Luton
Tue 12/29
7:45 am-2:10 pm
1 stop12h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$556
LondonChicago
STN London Stansted - ORD Chicago O'Hare Intl
STNORD
London Stansted
Fri 10/30
10:25 pm-6:20 pm
3 stops48h 55m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$556
LondonChicago
LHR London Heathrow - ORD Chicago O'Hare Intl
LHRORD
London Heathrow
Tue 12/8
1:35 pm-4:55 pm
Nonstop9h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$560
Quickest round-trip
LondonChicago
LHR London Heathrow - ORD Chicago O'Hare Intl
LHRORD
London Heathrow
Wed 12/9
7:40 am-10:45 am
Nonstop9h 05m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$560
LondonChicago
LHR London Heathrow - ORD Chicago O'Hare Intl
LHRORD
London Heathrow
Wed 12/9
10:25 am-1:45 pm
Nonstop9h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$561
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from London to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from London with our price prediction graph.
LTN-ORD
LGW-ORD
LHR-ORD
LCY-ORD
LHR-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 London to Illinois
LON-USIL
LTN-ORD
LGW-ORD
LHR-ORD
LCY-ORD
What is the cheapest month to book a flight from London to Illinois?
Currently, February is the cheapest month in which you can book a flight from London to Illinois (average of $654). Flying from London to Illinois in August is currently the most expensive (average of $1,067). 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 LON to IL?
Find hourly flight availability from London 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 October 12, 2026.
When flying from London 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 London to Illinois
Explore weekly flight availability from London 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 October 12, 2026.
The most flights from LON to USIL are scheduled on a Monday (50 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (45 on average).
How much does it cost to fly round-trip from London to Illinois?
Airfare is below average for this route at the moment.
London to Illinois flights typically cost between $771 and $970 in November.The cheapest round-trip price found within the last 5 days was $717 on Scandinavian Airlines (Nov 9-Nov 23).
How far ahead should I book a flight from London to Illinois?
Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Illinois. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 October 12, 2026.
See what other customers who have flown with United Airlines,Aer Lingus, andIcelandair from London 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.
Boarding
7.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Food
6.7
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Food
6.7
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Food
6.7
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Food
6.7
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Food
6.7
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Food
6.7
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from London to Illinois. 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
Alternative routes for London to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from London to Illinois by cabin class
Find flights from London to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
London and Illinois flights
Browse other London and Illinois flight options. Last updated on October 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
London to Illinois flights
Consider these flights traveling from London to Illinois.
Top 8 airlines flying from London to Illinois
Discover the top 8 airlines that operate flights from London 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 7,457,451 searches. Data last updated October 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$421 | Average$662 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$583 | Average$962 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$614 | Average$957 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$666 | Average$704 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$703 | Average$838 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$758 | Average$931 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$806 | Average$895 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$895 | Average$1,132 | FlexibilityNo cancel fee | On-time69% |