$250+ Cheap flights from Illinois to the United Kingdom
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LHR
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to United Kingdom with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to United Kingdom
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Cheapest flights from Illinois to United KingdomExplore the most affordable flight options available from Illinois to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Illinois to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 12/76:30 pm -
3 stops32h 10m
Tue 12/155:00 pm -
3 stops30h 20m
Deal found 10/28![Multiple Airlines logo]()
$654
This Trip.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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.
Sat 12/56:30 pm -
1 stop13h 00m
Thu 12/106:00 am -
1 stop17h 20m
Deal found 10/28![Multiple Airlines logo]()
$662
This Booking.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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.
Mon 11/166:30 pm -
2 stops12h 25m
Fri 11/206:00 am -
2 stops17h 20m
Deal found 10/28![Multiple Airlines logo]()
$698
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 12/26:30 pm -
3 stops32h 40m
Tue 12/81:35 pm -
3 stops33h 45m
Deal found 10/29![Multiple Airlines logo]()
$704
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Sun 11/296:30 pm -
1 stop14h 40m
Thu 12/310:10 am -
1 stop13h 10m
Deal found 10/25![Multiple Airlines logo]()
$709
This deal was found by Cheapflights users on 10/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/183:55 pm -
1 stop11h 10m
Sun 11/297:50 am -
1 stop12h 20m
Deal found 10/26![Aer Lingus logo]()
$710
This Mytrip deal was found by Cheapflights users on 10/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/97:00 pm -
2 stops22h 45m
Tue 12/157:35 pm -
2 stops25h 55m
Deal found 10/26![Multiple Airlines logo]()
$710
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 12/96:30 pm -
1 stop16h 55m
Wed 12/168:25 am -
1 stop14h 55m
Deal found 10/25![Multiple Airlines logo]()
$712
This Mytrip deal was found by Cheapflights users on 10/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:30 pm -
2 stops17h 20m
Tue 12/157:15 am -
2 stops16h 05m
Deal found 10/26![Multiple Airlines logo]()
$712
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 12/26:30 pm -
2 stops21h 50m
Wed 12/96:30 am -
2 stops16h 50m
Deal found 10/29![Multiple Airlines logo]()
$712
This Booking.com deal was found by Cheapflights users on 10/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 pm -
3 stops22h 10m
Sat 11/218:50 pm -
2 stops24h 40m
Deal found 10/27![Multiple Airlines logo]()
$714
This Booking.com deal was found by Cheapflights users on 10/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:30 pm -
2 stops13h 10m
Tue 12/16:00 am -
2 stops17h 20m
Deal found 10/27![Multiple Airlines logo]()
$714
Best flights from Illinois to United KingdomDiscover carefully curated flight deals from Illinois to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Illinois to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 10/26. 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.
Fri 1/227:10 pm -
2 stops32h 25m
Thu 1/286:40 am -
1 stop16h 05m
Deal found 10/26![Scandinavian Airlines logo]()
$753
This United Airlines deal was found by Cheapflights users on 10/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/110:39 am -
1 stop19h 21m
Wed 3/39:00 am -
2 stops18h 10m
Deal found 10/25![United Airlines logo]()
$801
This FlightHub deal was found by Cheapflights users on 10/25. 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 2/238:15 pm -
1 stop31h 25m
Tue 3/24:20 pm -
1 stop23h 40m
Deal found 10/25![Turkish Airlines logo]()
$845
This British Airways deal was found by Cheapflights users on 10/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/99:50 pm -
1 stop10h 45m
Tue 2/237:20 pm -
1 stop24h 25m
Deal found 10/25![British Airways logo]()
$870
This Booking.com deal was found by Cheapflights users on 10/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:30 pm -
3 stops18h 00m
Tue 12/88:10 am -
2 stops15h 10m
Deal found 10/26![Multiple Airlines logo]()
$885
This Delta deal was found by Cheapflights users on 10/27. 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.
Mon 3/155:25 pm -
1 stop9h 45m
Wed 4/219:20 am -
1 stop10h 55m
Deal found 10/27![Delta logo]()
$902
This Virgin Atlantic deal was found by Cheapflights users on 10/26. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/67:40 pm -
2 stops15h 00m
Wed 4/1410:00 am -
2 stops18h 04m
Deal found 10/26![Virgin Atlantic logo]()
$917
This KLM deal was found by Cheapflights users on 10/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/32:25 pm -
2 stops13h 40m
Sat 2/139:10 am -
1 stop11h 15m
Deal found 10/25![KLM logo]()
$934
This SWISS deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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.
Wed 1/206:50 pm -
1 stop17h 10m
Thu 2/46:50 pm -
1 stop27h 25m
Deal found 10/28![SWISS logo]()
$956
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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.
Fri 1/222:55 pm -
2 stops18h 50m
Thu 1/284:00 pm -
1 stop29h 30m
Deal found 10/29![TAP AIR PORTUGAL logo]()
$1,023
This Cheapflightsfares deal was found by Cheapflights users on 10/25. 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.
Sun 1/176:50 am -
2 stops28h 00m
Sat 1/238:30 am -
1 stop16h 45m
Deal found 10/25![Aer Lingus logo]()
$1,198
This Icelandair deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/32:55 pm -
2 stops13h 25m
Tue 3/911:20 am -
1 stop12h 00m
Deal found 10/29![Icelandair logo]()
$1,201
This Scandinavian Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/57:10 pm -
2 stops32h 25m
Thu 2/187:50 pm -
2 stops26h 55m
Deal found 10/30![Scandinavian Airlines logo]()
$756
This Scandinavian Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 4/107:15 pm -
1 stop17h 15m
Sat 4/173:35 pm -
2 stops30h 35m
Deal found 10/28![Scandinavian Airlines logo]()
$773
This Turkish Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1411:20 am -
1 stop16h 25m
Wed 4/2110:45 am -
1 stop28h 50m
Deal found 10/28![Turkish Airlines logo]()
$860
This British Airways deal was found by Cheapflights users on 10/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/85:10 pm -
1 stop13h 55m
Mon 3/15:35 pm -
1 stop26h 10m
Deal found 10/25![British Airways logo]()
$870
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/109:34 pm -
2 stops41h 31m
Thu 12/177:10 pm -
1 stop25h 00m
Deal found 10/26![Multiple Airlines logo]()
$932
This United Airlines deal was found by Cheapflights users on 10/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/265:55 pm -
1 stop10h 30m
Thu 5/276:05 am -
2 stops23h 10m
Deal found 10/25![United Airlines logo]()
$932
This KLM deal was found by Cheapflights users on 10/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/84:25 pm -
1 stop9h 45m
Mon 2/229:20 am -
1 stop11h 05m
Deal found 10/25![KLM logo]()
$938
This Scandinavian Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 12/97:10 pm -
2 stops15h 50m
Wed 1/136:05 pm -
2 stops28h 40m
Deal found 10/28![Scandinavian Airlines logo]()
$778
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:19 pm -
1 stop12h 21m
Mon 12/145:35 pm -
2 stops29h 01m
Deal found 10/30![Delta logo]()
$942
This Turkish Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/1711:45 am -
1 stop16h 10m
Wed 1/2710:55 am -
1 stop29h 05m
Deal found 10/29![Turkish Airlines logo]()
$862
This British Airways deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/510:00 pm -
1 stop10h 50m
Mon 4/197:35 pm -
1 stop26h 50m
Deal found 10/30![British Airways logo]()
$873
This Virgin Atlantic deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:25 pm -
1 stop17h 15m
Mon 12/216:00 am -
1 stop14h 25m
Deal found 10/30![Virgin Atlantic logo]()
$1,034
This Scandinavian Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/217:15 pm -
2 stops17h 35m
Sun 4/259:05 pm -
2 stops25h 05m
Deal found 10/30![Scandinavian Airlines logo]()
$779
This KLM deal was found by Cheapflights users on 10/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/64:20 pm -
1 stop10h 30m
Mon 4/199:20 am -
1 stop10h 55m
Deal found 10/25![KLM logo]()
$943
This Booking.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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.
Sun 12/136:30 pm -
3 stops22h 00m
Sun 12/2012:35 pm -
1 stop11h 45m
Deal found 10/29![Multiple Airlines logo]()
$944
This Turkish Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 1/1811:45 am -
1 stop22h 35m
Thu 1/285:20 pm -
1 stop22h 40m
Deal found 10/29![Turkish Airlines logo]()
$862
This British Airways deal was found by Cheapflights users on 10/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/14:00 pm -
2 stops15h 05m
Wed 2/108:15 am -
1 stop13h 05m
Deal found 10/27![British Airways logo]()
$875
This Delta deal was found by Cheapflights users on 10/26. 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.
Tue 1/56:10 am -
1 stop19h 40m
Wed 1/1312:40 pm -
1 stop16h 07m
Deal found 10/26![Delta logo]()
$967
Last-minute flights from Illinois to United KingdomDiscover last-minute flight deals from Illinois to United Kingdom. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to United Kingdom. Data last updated October 30, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 10/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:30 pm -
2 stops16h 20m
Wed 11/185:35 pm -
2 stops29h 45m
Deal found 10/26![Multiple Airlines logo]()
$717
This Booking.com deal was found by Cheapflights users on 10/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 pm -
3 stops22h 10m
Sat 11/218:50 pm -
2 stops24h 40m
Deal found 10/27![Multiple Airlines logo]()
$714
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Fri 11/138:10 pm -
1 stop18h 20m
Sat 11/219:45 pm -
2 stops23h 45m
Deal found 10/25![Multiple Airlines logo]()
$717
This Booking.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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.
Mon 11/166:30 pm -
2 stops12h 25m
Fri 11/206:00 am -
2 stops17h 20m
Deal found 10/28![Multiple Airlines logo]()
$698
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:30 pm -
1 stop10h 15m
Tue 12/18:50 am -
2 stops36h 40m
Deal found 10/27![Multiple Airlines logo]()
$715
This deal was found by Cheapflights users on 10/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/183:55 pm -
1 stop11h 10m
Sun 11/297:50 am -
1 stop12h 20m
Deal found 10/26![Aer Lingus logo]()
$710
This Booking.com deal was found by Cheapflights users on 10/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:30 pm -
2 stops13h 10m
Tue 12/16:00 am -
2 stops17h 20m
Deal found 10/27![Multiple Airlines logo]()
$714
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:00 pm -
2 stops20h 15m
Wed 12/97:00 am -
2 stops16h 20m
Deal found 10/27![Multiple Airlines logo]()
$718
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/278:10 pm -
1 stop21h 45m
Fri 12/46:00 pm -
2 stops51h 30m
Deal found 10/27![Multiple Airlines logo]()
$716
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Sun 11/296:30 pm -
1 stop14h 40m
Thu 12/310:10 am -
1 stop13h 10m
Deal found 10/25![Multiple Airlines logo]()
$709
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/296:30 pm -
1 stop19h 00m
Tue 12/812:15 pm -
1 stop11h 05m
Deal found 10/28![Icelandair logo]()
$716
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Sun 11/296:30 pm -
1 stop14h 40m
Tue 12/88:00 am -
1 stop15h 20m
Deal found 10/25![Multiple Airlines logo]()
$716
One-way flights from Illinois to United KingdomSearch for one-way flight options from Illinois to United Kingdom. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
Search for one-way flight options from Illinois to United Kingdom. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Fri 11/278:10 pm -
2 stops34h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:10 pm -
2 stops29h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$273
This Booking.com deal was found by Cheapflights users on 10/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/277:25 pm -
1 stop10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Icelandair logo]()
$299
This Gotogate deal was found by Cheapflights users on 10/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:30 pm -
1 stop9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Icelandair logo]()
$309
This Expedia deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/75:00 pm -
1 stop10h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![British Airways logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 pm -
2 stops40h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$314
This Booking.com deal was found by Cheapflights users on 10/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/127:25 pm -
1 stop12h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![British Airways logo]()
$317
This Expedia deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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.
Tue 1/265:10 pm -
Nonstop7h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![British Airways logo]()
$320
This FlightHub deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” 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 11/226:30 pm -
1 stop10h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Icelandair logo]()
$321
This Jetabroad deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 pm -
1 stop14h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![TAP AIR PORTUGAL logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:10 pm -
2 stops31h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$322
This FlightHub deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 pm -
1 stop14h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![TAP AIR PORTUGAL logo]()
$322
Find flight deals from Illinois to United Kingdom
Keep the following information in mind while searching for Illinois to United Kingdom flight deals. Data was last updated October 30, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $654 (Mytrip) |
One-way from | $250 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $911 |
Good round-trip deal | $893 or less |
Good one-way deal | $384 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to United Kingdom 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 30, 2026.
Use the filters below to find and compare flights from Illinois to the United Kingdom that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoNewcastle upon Tyne
ORD Chicago O'Hare Intl - NCL Newcastle upon Tyne
ORDNCL
Chicago O'Hare Intl
Fri 11/27
8:10 pm-12:25 pm
3 stops34h 15m
Newcastle upon Tyne
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$276
ChicagoGlasgow
ORD Chicago O'Hare Intl - GLA Glasgow Intl
ORDGLA
Chicago O'Hare Intl
Tue 12/1
6:30 pm-9:55 am
1 stop9h 25m
Glasgow Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$309
ChicagoEdinburgh
ORD Chicago O'Hare Intl - EDI Edinburgh Turnhouse
ORDEDI
Chicago O'Hare Intl
Wed 11/11
7:00 pm-5:10 pm
2 stops40h 10m
Edinburgh Turnhouse
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$314
ChicagoGlasgow
ORD Chicago O'Hare Intl - GLA Glasgow Intl
ORDGLA
Chicago O'Hare Intl
Mon 4/12
7:25 pm-1:25 pm
1 stop12h 00m
Glasgow Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$317
ChicagoManchester
ORD Chicago O'Hare Intl - MAN Manchester
ORDMAN
Chicago O'Hare Intl
Sun 11/15
8:10 pm-12:25 am
1 stop22h 15m
Manchester
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$317
ChicagoLondon
ORD Chicago O'Hare Intl - STN London Stansted
ORDSTN
Chicago O'Hare Intl
Wed 11/25
7:00 pm-8:20 pm
1 stop19h 20m
London Stansted
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$327
ChicagoEdinburgh
ORD Chicago O'Hare Intl - EDI Edinburgh Turnhouse
ORDEDI
Chicago O'Hare Intl
Tue 1/12
6:30 pm-7:50 pm
3 stops43h 20m
Edinburgh Turnhouse
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$327
Quickest round-trip
ChicagoLondon
ORD Chicago O'Hare Intl - LHR London Heathrow
ORDLHR
Chicago O'Hare Intl
Tue 4/27
7:25 pm-9:35 am
Nonstop8h 10m
London Heathrow
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$330
ChicagoLondon
ORD Chicago O'Hare Intl - STN London Stansted
ORDSTN
Chicago O'Hare Intl
Sun 2/14
8:10 pm-9:25 pm
3 stops43h 15m
London Stansted
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$332
ChicagoLondon
ORD Chicago O'Hare Intl - LGW London Gatwick
ORDLGW
Chicago O'Hare Intl
Mon 3/15
10:30 am-9:00 am
2 stops17h 30m
London Gatwick
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$339
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to United Kingdom
Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Illinois with our price prediction graph.
ORD-NCL
ORD-GLA
ORD-LGW
ORD-MAN
ORD-LCY
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 the United Kingdom
USIL-GB0
ORD-NCL
ORD-GLA
ORD-LGW
ORD-MAN
What is the cheapest month to book a flight from Illinois to United Kingdom?
Currently, January is the cheapest month in which you can book a flight from Illinois to United Kingdom (average of $634). Flying from Illinois to United Kingdom in June is currently the most expensive (average of $1,351). 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 GB?
Find hourly flight availability from Illinois to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to United Kingdom as you normally would.
How far ahead should I book a flight from Illinois to United Kingdom?
The price you pay for your flight from Illinois to United Kingdom may vary depending on when you book. For the best chance of a lower fare, look to book 32 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Related info for your journey
Find useful and relevant information for your journey from Illinois to United Kingdom. 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.
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Alternative routes for Illinois to United Kingdom
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to United Kingdom by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to United Kingdom by cabin class
Find flights from Illinois to United Kingdom, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and United Kingdom flights
Browse other Illinois and United Kingdom flight options. Last updated on October 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from United Kingdom
Find the right flight back to Illinois after your stay in United Kingdom
Illinois to United Kingdom flights
Consider these flights traveling from Illinois to United Kingdom.
Fly to United Kingdom regions
Consider these flights traveling to United Kingdom regions.
Top 10 airlines flying from Illinois to United Kingdom
Discover the top 10 airlines that operate flights from Illinois to United Kingdom. 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 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$39 | Average$823 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$144 | Average$736 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$286 | Average$1,411 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$362 | Average$895 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$430 | Average$716 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$432 | Average$728 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$448 | Average$1,000 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$466 | Average$740 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$488 | Average$1,109 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$523 | Average$1,102 | FlexibilityNo cancel fee | On-time71% |