$173+ Cheap flights from Illinois to the United Kingdom
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LHR
Apr 5 — Apr 121
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to United Kingdom
Cheapest
Best
Last-minute
One-way
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 March 6, 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 March 6, 2026.
This oojo deal was found by Cheapflights users on 3/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:25 pm
ORD
- MAN
1 stop10h 15m
Icelandair
Wed 4/221:05 pm
MAN
- ORD
1 stop11h 10m
Icelandair
Deal found 3/1![Icelandair logo]()
$528
This Mytrip deal was found by Cheapflights users on 3/1. 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 4/137:25 pm
ORD
- EDI
2 stops16h 05m
Multiple Airlines
Tue 4/216:15 am
EDI
- ORD
2 stops18h 00m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$544
This Mytrip deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:15 pm
ORD
- EDI
2 stops20h 20m
Multiple Airlines
Fri 5/154:55 pm
EDI
- ORD
3 stops29h 15m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$549
This Mytrip deal was found by Cheapflights users on 3/1. 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.
Tue 4/287:25 pm
ORD
- LTN
2 stops20h 45m
Multiple Airlines
Thu 5/79:25 am
LTN
- ORD
2 stops14h 50m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$551
This Mytrip deal was found by Cheapflights users on 3/1. 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 4/137:25 pm
ORD
- MAN
2 stops20h 55m
Multiple Airlines
Wed 4/227:55 am
MAN
- ORD
2 stops16h 20m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$551
This oojo deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:25 pm
ORD
- LGW
1 stop13h 15m
Icelandair
Sun 4/193:40 pm
LGW
- ORD
1 stop11h 45m
Icelandair
Deal found 3/2![Icelandair logo]()
$552
This oojo deal was found by Cheapflights users on 3/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/229:25 pm
ORD
- LHR
1 stop15h 05m
TAP AIR PORTUGAL
Tue 3/316:45 pm
LHR
- ORD
1 stop27h 15m
TAP AIR PORTUGAL
Deal found 3/1![TAP AIR PORTUGAL logo]()
$555
This Icelandair deal was found by Cheapflights users on 3/1. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:25 pm
ORD
- LGW
1 stop13h 15m
Icelandair
Thu 5/71:00 pm
LGW
- ORD
1 stop11h 15m
Icelandair
Deal found 3/1![Icelandair logo]()
$555
This Mytrip deal was found by Cheapflights users on 3/1. 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.
Wed 4/87:25 pm
ORD
- STN
2 stops20h 15m
Multiple Airlines
Mon 4/131:10 pm
STN
- ORD
2 stops35h 05m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$555
This Icelandair deal was found by Cheapflights users on 3/1. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:25 pm
ORD
- LGW
1 stop10h 15m
Icelandair
Fri 10/23:40 pm
LGW
- ORD
1 stop11h 45m
Icelandair
Deal found 3/1![Icelandair logo]()
$556
This Icelandair deal was found by Cheapflights users on 3/1. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:25 pm
ORD
- LGW
1 stop13h 15m
Icelandair
Thu 10/13:40 pm
LGW
- ORD
1 stop32h 35m
Icelandair
Deal found 3/1![Icelandair logo]()
$557
This Mytrip deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:25 pm
ORD
- MAN
2 stops17h 05m
Multiple Airlines
Wed 5/67:55 am
MAN
- ORD
2 stops19h 30m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$557
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 March 6, 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 March 6, 2026.
This Mytrip deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:25 pm
ORD
- LTN
2 stops15h 20m
Multiple Airlines
Tue 5/129:40 am
LTN
- ORD
2 stops14h 35m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$619
This Scandinavian Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:15 pm
ORD
- MAN
1 stop31h 40m
Scandinavian Airlines
Thu 4/307:10 pm
MAN
- ORD
1 stop27h 00m
Scandinavian Airlines
Deal found 3/3![Scandinavian Airlines logo]()
$621
This United Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:10 pm
ORD
- LHR
Nonstop8h 20m
United Airlines
Tue 5/126:50 am
LHR
- ORD
1 stop11h 10m
United Airlines
Deal found 3/2![United Airlines logo]()
$659
This Icelandair deal was found by Cheapflights users on 3/1. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:25 pm
ORD
- LGW
1 stop13h 15m
Icelandair
Fri 5/83:40 pm
LGW
- ORD
1 stop11h 45m
Icelandair
Deal found 3/1![Icelandair logo]()
$676
This Virgin Atlantic deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/24:20 pm
ORD
- MAN
1 stop14h 50m
Virgin Atlantic
Thu 4/95:55 am
MAN
- ORD
2 stops16h 48m
Virgin Atlantic
Deal found 3/3![Virgin Atlantic logo]()
$678
This Delta deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:30 pm
ORD
- LHR
2 stops13h 15m
Delta
Tue 5/58:40 am
LHR
- ORD
2 stops17h 12m
Delta
Deal found 3/2![Delta logo]()
$684
This British Airways deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:33 pm
STL
- LHR
1 stop13h 22m
British Airways
Wed 9/24:25 pm
LHR
- STL
Nonstop9h 05m
British Airways
Deal found 3/3![British Airways logo]()
$690
This Turkish Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/168:10 pm
ORD
- STN
1 stop20h 00m
Turkish Airlines
Wed 9/25:45 pm
STN
- ORD
1 stop30h 30m
Turkish Airlines
Deal found 3/2![Turkish Airlines logo]()
$720
This KLM deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 4/134:50 pm
ORD
- LCY
1 stop10h 00m
KLM
Wed 4/299:20 am
LCY
- ORD
1 stop11h 10m
KLM
Deal found 3/6![KLM logo]()
$741
This Finnair deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:30 pm
ORD
- LHR
Nonstop7h 45m
Finnair
Sat 5/99:45 am
LHR
- ORD
Nonstop8h 40m
Finnair
Deal found 3/5![Finnair logo]()
$786
This American Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2810:25 pm
ORD
- MAN
1 stop17h 00m
American Airlines
Sun 4/57:00 am
MAN
- ORD
1 stop11h 25m
American Airlines
Deal found 3/5![American Airlines logo]()
$800
This ITA Airways deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:00 pm
ORD
- LCY
2 stops16h 10m
ITA Airways
Mon 8/241:45 pm
LCY
- ORD
2 stops29h 25m
ITA Airways
Deal found 3/2![ITA Airways logo]()
$840
This TAP AIR PORTUGAL deal was found by Cheapflights users on 3/1. 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.
Tue 7/2812:11 pm
ORD
- LGW
2 stops15h 34m
TAP AIR PORTUGAL
Tue 8/114:25 pm
LGW
- ORD
1 stop30h 25m
TAP AIR PORTUGAL
Deal found 3/1![TAP AIR PORTUGAL logo]()
$1,117
This SWISS deal was found by Cheapflights users on 3/1. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:40 pm
ORD
- LGW
2 stops14h 10m
SWISS
Mon 8/249:25 am
LGW
- ORD
1 stop12h 30m
SWISS
Deal found 3/1![SWISS logo]()
$1,119
This Mytrip deal was found by Cheapflights users on 3/1. 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.
Wed 5/67:25 pm
ORD
- LTN
2 stops19h 50m
Multiple Airlines
Sat 5/169:00 am
LTN
- ORD
2 stops15h 15m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$663
This United Airlines deal was found by Cheapflights users on 3/1. 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 8/1912:57 pm
ORD
- MAN
2 stops15h 28m
United Airlines
Sun 8/239:00 am
MAN
- ORD
1 stop13h 57m
United Airlines
Deal found 3/1![United Airlines logo]()
$683
This Delta deal was found by Cheapflights users on 3/1. 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.
Sun 4/268:15 am
ORD
- MAN
1 stop17h 00m
Delta
Sun 5/35:55 am
MAN
- ORD
2 stops18h 57m
Delta
Deal found 3/1![Delta logo]()
$685
This Virgin Atlantic deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/110:12 am
STL
- LHR
1 stop14h 13m
Virgin Atlantic
Wed 4/86:15 am
LHR
- STL
2 stops16h 01m
Virgin Atlantic
Deal found 3/5![Virgin Atlantic logo]()
$707
This Kiwi.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 4/203:45 pm
ORD
- LTN
1 stop15h 00m
Multiple Airlines
Mon 4/278:15 am
LTN
- ORD
1 stop11h 45m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$670
This KLM deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/64:50 pm
ORD
- LCY
1 stop10h 40m
KLM
Mon 4/139:20 am
LCY
- ORD
1 stop11h 10m
KLM
Deal found 3/2![KLM logo]()
$745
This Scandinavian Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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.
Thu 8/67:15 pm
ORD
- LHR
2 stops17h 35m
Scandinavian Airlines
Sat 8/226:40 am
LHR
- ORD
1 stop15h 30m
Scandinavian Airlines
Deal found 3/6![Scandinavian Airlines logo]()
$751
This Delta deal was found by Cheapflights users on 3/1. 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.
Wed 4/112:28 pm
STL
- LHR
2 stops14h 32m
Delta
Tue 4/76:15 am
LHR
- STL
2 stops16h 01m
Delta
Deal found 3/1![Delta logo]()
$693
This Turkish Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:10 pm
ORD
- STN
1 stop31h 45m
Turkish Airlines
Sat 4/2510:50 am
STN
- ORD
1 stop28h 50m
Turkish Airlines
Deal found 3/4![Turkish Airlines logo]()
$763
This United Airlines deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:55 pm
ORD
- MAN
2 stops15h 30m
United Airlines
Mon 5/186:05 am
MAN
- ORD
1 stop11h 55m
United Airlines
Deal found 3/4![United Airlines logo]()
$697
This Icelandair deal was found by Cheapflights users on 3/1. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:41 am
ORD
- LGW
2 stops22h 59m
Icelandair
Tue 5/51:00 pm
LGW
- ORD
1 stop11h 15m
Icelandair
Deal found 3/1![Icelandair logo]()
$800
This Virgin Atlantic deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2412:47 pm
MDW
- LHR
2 stops14h 58m
Virgin Atlantic
Tue 3/3110:45 am
LHR
- MDW
1 stop13h 09m
Virgin Atlantic
Deal found 3/2![Virgin Atlantic logo]()
$741
This KLM deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/255:25 pm
ORD
- LCY
1 stop9h 45m
KLM
Wed 4/110:00 am
LCY
- ORD
1 stop10h 30m
KLM
Deal found 3/5![KLM logo]()
$763
This Delta deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/14:50 pm
ORD
- LCY
1 stop10h 40m
Delta
Wed 4/2210:00 am
LCY
- ORD
1 stop10h 30m
Delta
Deal found 3/2![Delta logo]()
$695
This United Airlines deal was found by Cheapflights users on 3/1. 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.
Sun 4/269:10 am
STL
- LHR
1 stop15h 35m
United Airlines
Tue 5/52:05 pm
LHR
- STL
1 stop12h 20m
United Airlines
Deal found 3/1![United Airlines logo]()
$698
This Mytrip deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/29:40 pm
ORD
- LTN
2 stops19h 45m
Multiple Airlines
Thu 4/99:40 pm
LTN
- ORD
2 stops26h 10m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$733
Last-minute flights from Illinois to United KingdomDiscover last-minute flight deals from Illinois to United Kingdom. Data last updated March 6, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to United Kingdom. Data last updated March 6, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 3/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/229:25 pm
ORD
- LHR
1 stop15h 05m
TAP AIR PORTUGAL
Tue 3/316:45 pm
LHR
- ORD
1 stop27h 15m
TAP AIR PORTUGAL
Deal found 3/1![TAP AIR PORTUGAL logo]()
$555
This Mytrip deal was found by Cheapflights users on 3/1. 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.
Wed 4/87:25 pm
ORD
- STN
2 stops20h 15m
Multiple Airlines
Mon 4/131:10 pm
STN
- ORD
2 stops35h 05m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$555
This oojo deal was found by Cheapflights users on 3/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:25 pm
ORD
- MAN
1 stop10h 15m
Icelandair
Wed 4/221:05 pm
MAN
- ORD
1 stop11h 10m
Icelandair
Deal found 3/1![Icelandair logo]()
$528
This Mytrip deal was found by Cheapflights users on 3/1. 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 4/137:25 pm
ORD
- EDI
2 stops16h 05m
Multiple Airlines
Tue 4/216:15 am
EDI
- ORD
2 stops18h 00m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$544
This Mytrip deal was found by Cheapflights users on 3/1. 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 4/137:25 pm
ORD
- MAN
2 stops20h 55m
Multiple Airlines
Wed 4/227:55 am
MAN
- ORD
2 stops16h 20m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$551
This oojo deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:25 pm
ORD
- LGW
1 stop13h 15m
Icelandair
Sun 4/193:40 pm
LGW
- ORD
1 stop11h 45m
Icelandair
Deal found 3/2![Icelandair logo]()
$552
This Mytrip deal was found by Cheapflights users on 3/1. 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.
Tue 4/147:25 pm
ORD
- STN
3 stops19h 55m
Multiple Airlines
Wed 4/2910:45 pm
STN
- ORD
2 stops25h 05m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$552
This Icelandair deal was found by Cheapflights users on 3/1. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2410:25 pm
ORD
- LGW
1 stop10h 15m
Icelandair
Sat 5/23:40 pm
LGW
- ORD
1 stop32h 35m
Icelandair
Deal found 3/1![Icelandair logo]()
$557
This Mytrip deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:15 pm
ORD
- EDI
2 stops20h 20m
Multiple Airlines
Fri 5/154:55 pm
EDI
- ORD
3 stops29h 15m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$549
This Mytrip deal was found by Cheapflights users on 3/1. 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.
Tue 4/287:25 pm
ORD
- LTN
2 stops20h 45m
Multiple Airlines
Thu 5/79:25 am
LTN
- ORD
2 stops14h 50m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$551
This Icelandair deal was found by Cheapflights users on 3/1. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:25 pm
ORD
- LGW
1 stop13h 15m
Icelandair
Thu 5/71:00 pm
LGW
- ORD
1 stop11h 15m
Icelandair
Deal found 3/1![Icelandair logo]()
$555
This Mytrip deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:25 pm
ORD
- MAN
2 stops17h 05m
Multiple Airlines
Wed 5/67:55 am
MAN
- ORD
2 stops19h 30m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$557
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 March 6, 2026.
Search for one-way flight options from Illinois to United Kingdom. Find affordable one-way fares based on user searches. Data last updated March 6, 2026.
This deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:25 pm
ORD
- MAN
1 stop10h 15m
Icelandair
Deal found 3/5![Icelandair logo]()
$173
This Cheapflightsfares deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:05 pm
ORD
- MAN
1 stop12h 00m
British Airways
Deal found 3/3![British Airways logo]()
$214
This British Airways deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:00 pm
ORD
- MAN
1 stop14h 10m
British Airways
Deal found 3/2![British Airways logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:00 pm
ORD
- MAN
1 stop10h 55m
Aer Lingus
Deal found 3/4![Aer Lingus logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/307:35 am
ORD
- EDI
2 stops23h 50m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$232
This Air Canada deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:21 pm
ORD
- MAN
2 stops30h 09m
Air Canada
Deal found 3/2![Air Canada logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:25 pm
ORD
- EDI
3 stops32h 55m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:25 pm
ORD
- EDI
3 stops37h 20m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$241
This Cheapflightsfares deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:40 pm
ORD
- MAN
1 stop19h 35m
Lufthansa
Deal found 3/4![Lufthansa logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/238:10 pm
STL
- LGW
1 stop32h 50m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$248
This FlightHub deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:31 am
ORD
- EDI
1 stop18h 49m
JetBlue
Deal found 3/2![JetBlue logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2312:05 pm
ORD
- EDI
2 stops21h 00m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$251
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 March 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $528 (oojo) |
One-way from | $173 |
Popular in | June |
Cheapest in | September |
Average price | $710 |
Good round-trip deal | $711 or less |
Good one-way deal | $400 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 2,558,603 searches. Data last updated March 6, 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
ChicagoLondon
ORD - LTN
ORDLTN
Chicago O'Hare Intl
Thu 5/7
7:25 pm-4:45 pm
2 stops15h 20m
London Luton
Tue 5/12
9:40 am-6:15 pm
2 stops14h 35m
$619
ChicagoManchester
ORD - MAN
ORDMAN
Chicago O'Hare Intl
Mon 4/27
7:15 pm-8:55 am
1 stop31h 40m
Manchester
Thu 4/30
7:10 pm-4:10 pm
1 stop27h 00m
$621
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Wed 5/6
6:10 pm-8:30 am
Nonstop8h 20m
London Heathrow
Tue 5/12
6:50 am-12:00 pm
1 stop11h 10m
$659
ChicagoLondon
ORD - LTN
ORDLTN
Chicago O'Hare Intl
Wed 5/6
7:25 pm-9:15 pm
2 stops19h 50m
London Luton
Sat 5/16
9:00 am-6:15 pm
2 stops15h 15m
$663
ChicagoLondon
ORD - LTN
ORDLTN
Chicago O'Hare Intl
Mon 4/20
3:45 pm-12:45 pm
1 stop15h 00m
London Luton
Mon 4/27
8:15 am-2:00 pm
1 stop11h 45m
$670
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
Thu 4/30
7:25 pm-2:40 pm
1 stop13h 15m
London Gatwick
Fri 5/8
3:40 pm-9:25 pm
1 stop11h 45m
$676
ChicagoManchester
ORD - MAN
ORDMAN
Chicago O'Hare Intl
Thu 4/2
4:20 pm-1:10 pm
1 stop14h 50m
Manchester
Thu 4/9
5:55 am-4:43 pm
2 stops16h 48m
$678
ChicagoManchester
ORD - MAN
ORDMAN
Chicago O'Hare Intl
Wed 8/19
12:57 pm-10:25 am
2 stops15h 28m
Manchester
Sun 8/23
9:00 am-4:57 pm
1 stop13h 57m
$683
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Wed 4/29
3:30 pm-10:45 am
2 stops13h 15m
London Heathrow
Tue 5/5
8:40 am-7:52 pm
2 stops17h 12m
$684
ChicagoManchester
ORD - MAN
ORDMAN
Chicago O'Hare Intl
Sun 4/26
8:15 am-7:15 am
1 stop17h 00m
Manchester
Sun 5/3
5:55 am-6:52 pm
2 stops18h 57m
$685
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-MAN
ORD-EDI
STL-LGW
MDW-LHR
ORD-LHR
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-MAN
ORD-EDI
STL-LGW
MDW-LHR
What is the cheapest month to book a flight from Illinois to United Kingdom?
Currently, June is the cheapest month in which you can book a flight from Illinois to United Kingdom (average of $62). Flying from Illinois to United Kingdom in July is currently the most expensive (average of $603). 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 March 6, 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.
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Top regions
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 March 6, 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 2,558,603 searches. Data last updated March 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$51 | Average$749 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$257 | Average$603 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$321 | Average$625 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$345 | Average$959 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$427 | Average$689 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$467 | Average$672 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$481 | Average$857 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$516 | Average$793 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$522 | Average$809 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$533 | Average$636 | FlexibilityNo cancel fee | On-time83% |