$271+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LHR
Nov 1 — Nov 81
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 2, 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 2, 2026.
This Mytrip deal was found by Cheapflights users on 9/28. 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 10/267:30 pm -
1 stop12h 30m
Mon 11/27:45 am -
1 stop15h 35m
Deal found 9/28![Multiple Airlines logo]()
$590
This Kiwi.com deal was found by Cheapflights users on 9/29. 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.
Sat 11/77:10 pm -
1 stop12h 30m
Sat 11/145:50 am -
1 stop16h 55m
Deal found 9/29![Multiple Airlines logo]()
$601
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/87:10 pm -
1 stop12h 20m
Wed 11/118:25 am -
1 stop14h 20m
Deal found 9/27![Multiple Airlines logo]()
$629
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/27:10 pm -
1 stop15h 50m
Wed 11/118:25 am -
1 stop14h 20m
Deal found 9/27![Multiple Airlines logo]()
$630
This Gotogate deal was found by Cheapflights users on 9/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:30 pm -
1 stop9h 25m
Tue 11/1011:55 am -
1 stop11h 25m
Deal found 9/29![Icelandair logo]()
$635
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:10 pm -
1 stop17h 25m
Tue 11/108:25 am -
1 stop14h 20m
Deal found 9/30![Multiple Airlines logo]()
$638
This Kiwi.com deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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 11/287:10 pm -
1 stop12h 30m
Sun 12/69:25 am -
1 stop13h 20m
Deal found 10/1![Multiple Airlines logo]()
$640
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Thu 11/57:10 pm -
1 stop20h 10m
Wed 11/118:25 am -
1 stop14h 20m
Deal found 9/27![Multiple Airlines logo]()
$642
This Kiwi.com deal was found by Cheapflights users on 9/28. 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.
Mon 10/267:30 pm -
1 stop12h 30m
Tue 11/107:00 am -
1 stop16h 20m
Deal found 9/28![Multiple Airlines logo]()
$643
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/27:10 pm -
1 stop15h 50m
Sun 11/89:15 am -
1 stop13h 30m
Deal found 9/27![Multiple Airlines logo]()
$643
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Sat 11/77:10 pm -
1 stop12h 30m
Wed 11/118:25 am -
1 stop14h 20m
Deal found 9/27![Multiple Airlines logo]()
$646
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Tue 11/37:10 pm -
1 stop17h 25m
Sun 11/89:15 am -
1 stop13h 30m
Deal found 9/27![Multiple Airlines logo]()
$651
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 2, 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 2, 2026.
This Icelandair deal was found by Cheapflights users on 9/29. 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.
Sat 11/146:30 pm -
1 stop9h 25m
Wed 11/1811:35 am -
1 stop11h 45m
Deal found 9/29![Icelandair logo]()
$761
This Scandinavian Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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 11/157:10 pm -
2 stops20h 10m
Tue 12/17:30 pm -
1 stop27h 15m
Deal found 10/1![Scandinavian Airlines logo]()
$798
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/13:46 pm -
2 stops13h 04m
Wed 3/39:00 am -
2 stops18h 24m
Deal found 9/28![United Airlines logo]()
$800
This Kiwi.com deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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 12/83:55 pm -
1 stop33h 10m
Wed 12/1610:05 pm -
2 stops25h 15m
Deal found 10/1![Multiple Airlines logo]()
$806
This British Airways deal was found by Cheapflights users on 9/29. 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 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 2/1011:40 am -
1 stop13h 05m
Deal found 9/29![British Airways logo]()
$862
This Turkish Airlines deal was found by Cheapflights users on 9/30. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/98:15 pm -
1 stop31h 45m
Sat 11/1411:00 am -
1 stop37h 20m
Deal found 9/30![Turkish Airlines logo]()
$912
This Delta deal was found by Cheapflights users on 9/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/711:08 am -
1 stop13h 17m
Mon 12/146:30 am -
2 stops22h 31m
Deal found 9/29![Delta logo]()
$933
This Virgin Atlantic deal was found by Cheapflights users on 9/30. 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.
Fri 11/66:25 pm -
1 stop15h 20m
Thu 11/194:45 pm -
2 stops22h 42m
Deal found 9/30![Virgin Atlantic logo]()
$939
This Finnair deal was found by Cheapflights users on 9/29. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:35 pm -
Nonstop8h 00m
Tue 12/14:30 pm -
Nonstop8h 55m
Deal found 9/29![Finnair logo]()
$957
This American Airlines deal was found by Cheapflights users on 9/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/132:31 pm -
2 stops13h 34m
Fri 11/2010:00 am -
2 stops17h 55m
Deal found 9/29![American Airlines logo]()
$990
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/27. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/278:10 pm -
2 stops42h 25m
Tue 1/124:35 pm -
1 stop28h 55m
Deal found 9/27![TAP AIR PORTUGAL logo]()
$1,001
This JetBlue deal was found by Cheapflights users on 9/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/510:59 am -
1 stop16h 21m
Wed 10/711:30 am -
1 stop13h 33m
Deal found 9/28![JetBlue logo]()
$1,023
This Cheapflightsfares deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:45 pm -
1 stop10h 30m
Mon 11/28:45 am -
1 stop11h 25m
Deal found 10/1![Aer Lingus logo]()
$1,075
This Mytrip deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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 10/1911:25 am -
2 stops26h 15m
Mon 11/210:55 pm -
2 stops26h 25m
Deal found 10/1![Multiple Airlines logo]()
$828
This Scandinavian Airlines deal was found by Cheapflights users on 9/28. 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 11/217:10 pm -
2 stops18h 45m
Wed 11/2510:20 am -
1 stop12h 25m
Deal found 9/28![Scandinavian Airlines logo]()
$846
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:05 am -
1 stop18h 05m
Fri 11/277:40 am -
Nonstop9h 05m
Deal found 9/30![United Airlines logo]()
$900
This Turkish Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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 10/2612:45 pm -
1 stop15h 55m
Sun 11/110:30 pm -
1 stop18h 30m
Deal found 10/1![Turkish Airlines logo]()
$917
This Delta deal was found by Cheapflights users on 9/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:00 am -
2 stops19h 55m
Fri 11/208:40 am -
2 stops20h 28m
Deal found 9/29![Delta logo]()
$937
This British Airways deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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.
Thu 11/2611:26 am -
2 stops16h 24m
Thu 12/311:30 am -
2 stops17h 34m
Deal found 10/1![British Airways logo]()
$939
This Scandinavian Airlines deal was found by Cheapflights users on 9/27. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:25 am -
2 stops19h 55m
Mon 10/269:05 pm -
2 stops25h 40m
Deal found 9/27![Scandinavian Airlines logo]()
$883
This Kiwi.com deal was found by Cheapflights users on 9/28. 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 10/113:45 pm -
1 stop10h 15m
Wed 10/148:25 am -
2 stops34h 15m
Deal found 9/28![Multiple Airlines logo]()
$910
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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.
Wed 3/177:00 am -
1 stop17h 55m
Tue 3/239:00 am -
2 stops19h 08m
Deal found 10/1![United Airlines logo]()
$923
This Turkish Airlines deal was found by Cheapflights users on 9/28. 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.
Tue 10/68:10 pm -
1 stop31h 45m
Thu 1/216:30 am -
1 stop17h 50m
Deal found 9/28![Turkish Airlines logo]()
$938
This American Airlines deal was found by Cheapflights users on 9/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/204:17 pm -
2 stops14h 33m
Wed 11/2512:20 pm -
2 stops16h 17m
Deal found 9/29![American Airlines logo]()
$1,035
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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 10/199:38 am -
2 stops23h 57m
Tue 11/34:35 pm -
1 stop28h 55m
Deal found 10/1![TAP AIR PORTUGAL logo]()
$1,063
This Scandinavian Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:10 pm -
2 stops32h 35m
Sun 12/68:25 pm -
2 stops26h 20m
Deal found 10/1![Scandinavian Airlines logo]()
$899
This Turkish Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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 11/412:45 pm -
1 stop20h 35m
Sun 11/84:20 pm -
1 stop23h 40m
Deal found 10/1![Turkish Airlines logo]()
$945
This Delta deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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 10/195:10 pm -
1 stop10h 30m
Fri 10/3010:00 am -
2 stops16h 31m
Deal found 10/1![Delta logo]()
$1,066
This Icelandair deal was found by Cheapflights users on 9/26. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/226:30 pm -
1 stop9h 25m
Mon 12/2811:55 am -
1 stop11h 25m
Deal found 9/26![Icelandair logo]()
$1,177
This Finnair deal was found by Cheapflights users on 9/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/114:31 pm -
2 stops14h 19m
Wed 12/166:40 am -
1 stop14h 50m
Deal found 9/27![Multiple Airlines logo]()
$982
Last-minute flights from Illinois to United KingdomDiscover last-minute flight deals from Illinois to United Kingdom. Data last updated October 2, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to United Kingdom. Data last updated October 2, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 9/28. 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 10/267:30 pm -
1 stop12h 30m
Mon 11/27:45 am -
1 stop15h 35m
Deal found 9/28![Multiple Airlines logo]()
$590
This Gotogate deal was found by Cheapflights users on 9/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:30 pm -
1 stop9h 25m
Tue 11/1011:55 am -
1 stop11h 25m
Deal found 9/29![Icelandair logo]()
$635
This Kiwi.com deal was found by Cheapflights users on 9/28. 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.
Mon 10/267:30 pm -
1 stop12h 30m
Tue 11/107:00 am -
1 stop16h 20m
Deal found 9/28![Multiple Airlines logo]()
$643
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/27:10 pm -
1 stop15h 50m
Tue 11/108:25 am -
1 stop14h 20m
Deal found 9/27![Multiple Airlines logo]()
$630
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/27:10 pm -
1 stop15h 50m
Sun 11/89:15 am -
1 stop13h 30m
Deal found 9/27![Multiple Airlines logo]()
$643
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:10 pm -
1 stop17h 25m
Tue 11/108:25 am -
1 stop14h 20m
Deal found 9/30![Multiple Airlines logo]()
$638
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Tue 11/37:10 pm -
1 stop17h 25m
Sun 11/89:15 am -
1 stop13h 30m
Deal found 9/27![Multiple Airlines logo]()
$651
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Thu 11/57:10 pm -
1 stop20h 10m
Wed 11/118:25 am -
1 stop14h 20m
Deal found 9/27![Multiple Airlines logo]()
$642
This Kiwi.com deal was found by Cheapflights users on 9/29. 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.
Sat 11/77:10 pm -
1 stop12h 30m
Sat 11/145:50 am -
1 stop16h 55m
Deal found 9/29![Multiple Airlines logo]()
$601
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Sat 11/77:10 pm -
1 stop12h 30m
Wed 11/118:25 am -
1 stop14h 20m
Deal found 9/27![Multiple Airlines logo]()
$646
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/87:10 pm -
1 stop12h 20m
Wed 11/118:25 am -
1 stop14h 20m
Deal found 9/27![Multiple Airlines logo]()
$629
This Kiwi.com deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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 11/287:10 pm -
1 stop12h 30m
Sun 12/69:25 am -
1 stop13h 20m
Deal found 10/1![Multiple Airlines logo]()
$640
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 2, 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 2, 2026.
This Booking.com deal was found by Cheapflights users on 9/29. 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.
Wed 12/26:30 pm -
1 stop9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Icelandair logo]()
$271
This oojo deal was found by Cheapflights users on 9/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:30 pm -
1 stop9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Icelandair logo]()
$276
This FlightHub deal was found by Cheapflights users on 9/29. 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.
Wed 12/26:30 pm -
1 stop10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Icelandair logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Thu 12/36:30 pm -
2 stops23h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$280
This Justfly.com deal was found by Cheapflights users on 9/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/296:30 pm -
1 stop9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Icelandair logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/276:30 pm -
2 stops17h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” 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 12/296:30 pm -
1 stop9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Icelandair logo]()
$293
This Icelandair deal was found by Cheapflights users on 9/27. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/276:30 pm -
1 stop9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Icelandair logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/296:30 pm -
2 stops17h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/116:30 pm -
3 stops38h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/306:30 pm -
3 stops20h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 9/29. 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.
Fri 11/136:30 pm -
2 stops36h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$309
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 2, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $590 (Mytrip) |
One-way from | $271 (Booking.com) |
Popular in | June |
Cheapest in | January |
Average price | $811 |
Good round-trip deal | $799 or less |
Good one-way deal | $484 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 2, 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
Quickest round-trip
ChicagoGlasgow
ORD Chicago O'Hare Intl - GLA Glasgow Intl
ORDGLA
Chicago O'Hare Intl
Wed 12/2
6:30 pm-9:55 am
1 stop9h 25m
Glasgow Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$294
ChicagoNewcastle upon Tyne
ORD Chicago O'Hare Intl - NCL Newcastle upon Tyne
ORDNCL
Chicago O'Hare Intl
Wed 11/11
6:30 pm-3:15 pm
3 stops38h 45m
Newcastle upon Tyne
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$302
ChicagoManchester
ORD Chicago O'Hare Intl - MAN Manchester
ORDMAN
Chicago O'Hare Intl
Sun 10/11
7:25 pm-9:30 am
2 stops32h 05m
Manchester
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$311
ChicagoManchester
ORD Chicago O'Hare Intl - MAN Manchester
ORDMAN
Chicago O'Hare Intl
Wed 12/2
6:30 pm-10:40 pm
2 stops22h 10m
Manchester
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$311
ChicagoGlasgow
ORD Chicago O'Hare Intl - GLA Glasgow Intl
ORDGLA
Chicago O'Hare Intl
Tue 1/5
9:50 pm-6:25 pm
1 stop14h 35m
Glasgow Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$316
ChicagoGlasgow
ORD Chicago O'Hare Intl - GLA Glasgow Intl
ORDGLA
Chicago O'Hare Intl
Wed 1/6
6:30 pm-7:10 am
3 stops30h 40m
Glasgow Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$321
ChicagoEdinburgh
ORD Chicago O'Hare Intl - EDI Edinburgh Turnhouse
ORDEDI
Chicago O'Hare Intl
Sun 11/29
6:30 pm-5:00 pm
3 stops16h 30m
Edinburgh Turnhouse
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$321
ChicagoLondon
ORD Chicago O'Hare Intl - LHR London Heathrow
ORDLHR
Chicago O'Hare Intl
Thu 11/12
1:00 pm-6:55 am
1 stop11h 55m
London Heathrow
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$330
ChicagoBirmingham
ORD Chicago O'Hare Intl - BHX Birmingham
ORDBHX
Chicago O'Hare Intl
Fri 11/13
6:30 pm-11:30 pm
3 stops23h 00m
Birmingham
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$330
ChicagoGlasgow
ORD Chicago O'Hare Intl - GLA Glasgow Intl
ORDGLA
Chicago O'Hare Intl
Mon 1/4
5:10 pm-1:05 pm
1 stop13h 55m
Glasgow Intl
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$331
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-GLA
ORD-NCL
ORD-LHR
ORD-MAN
ORD-EDI
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-GLA
ORD-NCL
ORD-LHR
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 $653). Flying from Illinois to United Kingdom in June is currently the most expensive (average of $1,347). 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 2, 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.
Weekly flight availability from Illinois to United Kingdom
Explore weekly flight availability from Illinois to United Kingdom. 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 2, 2026.
The most flights from USIL to GB0 are scheduled on a Wednesday (50 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (24 on average).
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 2, 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 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$39 | Average$786 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$144 | Average$714 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$286 | Average$1,411 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$362 | Average$902 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$430 | Average$703 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$432 | Average$728 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$448 | Average$982 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$466 | Average$745 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$488 | Average$1,268 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$522 | Average$809 | FlexibilityNo cancel fee | On-time75% |