$479+ Cheap flights from Heathrow (LHR) to Chicago (CHI)
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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CHI
Nov 8 — Nov 151
Round-trip
1 adult, Economy
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Find cheap flights from Heathrow to Chicago 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.Cheapflights Tip: The best prices from London Heathrow to Chicago are usually found in February or January, booked 38 days in advance, depart on a Friday or Thursday and return on a Tuesday
Cheap flight deals from Heathrow to Chicago
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Cheapest flights from Heathrow to ChicagoExplore the most affordable flight options available from Heathrow to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 9, 2026.
Explore the most affordable flight options available from Heathrow to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 9, 2026.
This Booking.com deal was found by Cheapflights users on 10/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:20 am -
1 stop12h 25m
Thu 11/267:10 pm -
2 stops17h 40m
Deal found 10/5![Scandinavian Airlines logo]()
$708
This Gotogate deal was found by Cheapflights users on 10/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:20 am -
1 stop12h 25m
Mon 12/147:10 pm -
2 stops15h 50m
Deal found 10/4![Scandinavian Airlines logo]()
$710
This Icelandair deal was found by Cheapflights users on 10/4. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:35 pm -
1 stop26h 45m
Mon 11/26:30 pm -
1 stop19h 00m
Deal found 10/4![Icelandair logo]()
$711
This Gotogate deal was found by Cheapflights users on 10/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:40 am -
1 stop16h 05m
Sun 11/297:10 pm -
2 stops15h 15m
Deal found 10/5![Scandinavian Airlines logo]()
$712
This Scandinavian Airlines deal was found by Cheapflights users on 10/6. 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.
Fri 11/207:05 am -
2 stops15h 40m
Fri 11/277:10 pm -
2 stops31h 45m
Deal found 10/6![Scandinavian Airlines logo]()
$713
This Booking.com deal was found by Cheapflights users on 10/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:20 am -
1 stop12h 25m
Mon 12/77:10 pm -
2 stops15h 50m
Deal found 10/5![Scandinavian Airlines logo]()
$714
This flugladen.de deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:00 pm -
1 stop29h 45m
Mon 11/237:10 pm -
1 stop14h 50m
Deal found 10/7![Scandinavian Airlines logo]()
$717
This Mytrip deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:25 pm -
2 stops33h 22m
Thu 11/126:08 am -
1 stop18h 17m
Deal found 10/8![Multiple Airlines logo]()
$724
This Mytrip deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:50 am -
1 stop12h 57m
Wed 11/116:08 am -
1 stop18h 17m
Deal found 10/7![Multiple Airlines logo]()
$729
This Mytrip deal was found by Cheapflights users on 10/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:50 am -
1 stop12h 57m
Sun 11/156:08 am -
1 stop18h 17m
Deal found 10/6![Multiple Airlines logo]()
$733
This Mytrip deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:50 am -
1 stop18h 57m
Fri 11/136:08 am -
1 stop18h 17m
Deal found 10/8![Multiple Airlines logo]()
$737
This Mytrip deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:50 am -
1 stop18h 57m
Tue 11/106:08 am -
1 stop18h 17m
Deal found 10/7![Multiple Airlines logo]()
$743
Best flights from Heathrow to ChicagoDiscover carefully curated flight deals from Heathrow to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 9, 2026.
Discover carefully curated flight deals from Heathrow to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 9, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 10/6. 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.
Fri 11/207:05 am -
2 stops15h 40m
Fri 11/277:10 pm -
2 stops31h 45m
Deal found 10/6![Scandinavian Airlines logo]()
$713
This United Airlines deal was found by Cheapflights users on 10/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/179:00 am -
1 stop13h 15m
Tue 12/13:45 pm -
Nonstop8h 10m
Deal found 10/6![United Airlines logo]()
$820
This Austrian Airlines deal was found by Cheapflights users on 10/5. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:25 pm -
1 stop24h 35m
Tue 11/103:45 pm -
Nonstop8h 10m
Deal found 10/5![Austrian Airlines logo]()
$823
This Delta deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:30 am -
2 stops17h 34m
Mon 11/301:05 pm -
1 stop16h 35m
Deal found 10/8![Delta logo]()
$867
This Virgin Atlantic deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:30 am -
2 stops17h 24m
Mon 11/231:31 pm -
2 stops13h 29m
Deal found 10/8![Virgin Atlantic logo]()
$874
This Scandinavian Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:50 pm -
2 stops26h 55m
Mon 11/237:10 pm -
2 stops20h 25m
Deal found 10/7![Scandinavian Airlines logo]()
$733
This Scandinavian Airlines deal was found by Cheapflights users on 10/5. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:40 am -
1 stop15h 30m
Tue 11/177:10 pm -
2 stops20h 10m
Deal found 10/5![Scandinavian Airlines logo]()
$734
This United Airlines deal was found by Cheapflights users on 10/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:10 am -
1 stop13h 15m
Mon 11/93:45 pm -
Nonstop8h 10m
Deal found 10/5![United Airlines logo]()
$827
This Delta deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:40 am -
2 stops15h 20m
Tue 11/1011:27 am -
1 stop12h 58m
Deal found 10/5![Delta logo]()
$868
This Virgin Atlantic deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:20 am -
2 stops16h 19m
Mon 11/309:30 am -
2 stops15h 20m
Deal found 10/8![Virgin Atlantic logo]()
$874
This Scandinavian Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:50 pm -
2 stops26h 55m
Fri 11/137:10 pm -
2 stops31h 45m
Deal found 10/8![Scandinavian Airlines logo]()
$736
This Delta deal was found by Cheapflights users on 10/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:30 am -
2 stops15h 48m
Tue 12/110:24 am -
1 stop14h 41m
Deal found 10/4![Delta logo]()
$870
This Virgin Atlantic deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/110:00 am -
2 stops18h 10m
Mon 2/151:00 pm -
2 stops14h 00m
Deal found 10/8![Virgin Atlantic logo]()
$880
This Scandinavian Airlines deal was found by Cheapflights users on 10/4. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:40 am -
1 stop16h 05m
Tue 11/37:10 pm -
1 stop14h 50m
Deal found 10/4![Scandinavian Airlines logo]()
$756
This Delta deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:30 am -
2 stops17h 30m
Mon 11/165:13 pm -
1 stop12h 27m
Deal found 10/5![Delta logo]()
$870
This Virgin Atlantic deal was found by Cheapflights users on 10/6. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/311:20 am -
1 stop12h 40m
Tue 11/1011:27 am -
1 stop14h 23m
Deal found 10/6![Virgin Atlantic logo]()
$886
This Scandinavian Airlines deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/176:40 am -
1 stop16h 05m
Fri 1/2910:30 am -
2 stops16h 50m
Deal found 10/9![Scandinavian Airlines logo]()
$759
This Virgin Atlantic deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:40 am -
2 stops15h 24m
Thu 11/2612:05 pm -
2 stops13h 45m
Deal found 10/8![Virgin Atlantic logo]()
$907
This Delta deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:40 am -
2 stops15h 24m
Thu 11/264:13 pm -
1 stop13h 27m
Deal found 10/8![Delta logo]()
$907
This Scandinavian Airlines deal was found by Cheapflights users on 10/4. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:40 am -
1 stop16h 05m
Sat 11/147:10 pm -
2 stops17h 40m
Deal found 10/4![Scandinavian Airlines logo]()
$774
This Delta deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:30 am -
2 stops17h 30m
Sun 11/81:27 pm -
1 stop12h 18m
Deal found 10/5![Delta logo]()
$909
This Scandinavian Airlines deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:40 pm -
1 stop27h 30m
Sat 10/247:15 pm -
1 stop18h 15m
Deal found 10/8![Scandinavian Airlines logo]()
$854
Last-minute flights from Heathrow to ChicagoDiscover last-minute flight deals from Heathrow to Chicago. Data last updated October 9, 2026 and is based on user searches.
Discover last-minute flight deals from Heathrow to Chicago. Data last updated October 9, 2026 and is based on user searches.
This Icelandair deal was found by Cheapflights users on 10/4. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:35 pm -
1 stop26h 45m
Mon 11/26:30 pm -
1 stop19h 00m
Deal found 10/4![Icelandair logo]()
$711
This Mytrip deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:50 am -
1 stop12h 57m
Wed 11/116:08 am -
1 stop18h 17m
Deal found 10/7![Multiple Airlines logo]()
$729
This Mytrip deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:50 am -
1 stop18h 57m
Tue 11/106:08 am -
1 stop18h 17m
Deal found 10/7![Multiple Airlines logo]()
$743
This Mytrip deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:25 pm -
2 stops33h 22m
Thu 11/126:08 am -
1 stop18h 17m
Deal found 10/8![Multiple Airlines logo]()
$724
This Mytrip deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:50 am -
1 stop18h 57m
Fri 11/136:08 am -
1 stop18h 17m
Deal found 10/8![Multiple Airlines logo]()
$737
This Gotogate deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:00 pm -
1 stop29h 45m
Mon 11/237:10 pm -
2 stops15h 15m
Deal found 10/7![Scandinavian Airlines logo]()
$717
This Mytrip deal was found by Cheapflights users on 10/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:50 am -
1 stop12h 57m
Sun 11/156:08 am -
1 stop18h 17m
Deal found 10/6![Multiple Airlines logo]()
$733
This Gotogate deal was found by Cheapflights users on 10/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:20 am -
1 stop12h 25m
Mon 12/147:10 pm -
2 stops15h 50m
Deal found 10/4![Scandinavian Airlines logo]()
$710
This Booking.com deal was found by Cheapflights users on 10/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:20 am -
1 stop12h 25m
Thu 11/267:10 pm -
2 stops17h 40m
Deal found 10/5![Scandinavian Airlines logo]()
$708
This Gotogate deal was found by Cheapflights users on 10/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:40 am -
1 stop16h 05m
Sun 11/297:10 pm -
2 stops15h 15m
Deal found 10/5![Scandinavian Airlines logo]()
$712
This Scandinavian Airlines deal was found by Cheapflights users on 10/6. 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.
Fri 11/207:05 am -
2 stops15h 40m
Fri 11/277:10 pm -
2 stops31h 45m
Deal found 10/6![Scandinavian Airlines logo]()
$713
This Booking.com deal was found by Cheapflights users on 10/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:20 am -
1 stop12h 25m
Mon 12/77:10 pm -
2 stops15h 50m
Deal found 10/5![Scandinavian Airlines logo]()
$714
One-way flights from Heathrow to ChicagoSearch for one-way flight options from Heathrow to Chicago. Find affordable one-way fares based on user searches. Data last updated October 9, 2026.
Search for one-way flight options from Heathrow to Chicago. Find affordable one-way fares based on user searches. Data last updated October 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:30 pm -
3 stops30h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Multiple Airlines logo]()
$479
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:30 pm -
2 stops28h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Multiple Airlines logo]()
$480
This FlightHub deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/812:15 pm -
1 stop11h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Icelandair logo]()
$481
This Mytrip deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:40 am -
2 stops16h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$483
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/67:30 pm -
2 stops29h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Multiple Airlines logo]()
$484
This Mytrip deal was found by Cheapflights users on 10/4. 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.
Wed 12/97:50 am -
2 stops15h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Multiple Airlines logo]()
$485
This Kissandfly.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:40 am -
2 stops16h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$486
This Kiwi.com deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:40 am -
3 stops40h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Multiple Airlines logo]()
$488
This Kiwi.com deal was found by Cheapflights users on 10/4. 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.
Sun 12/68:50 pm -
3 stops27h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Multiple Airlines logo]()
$489
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:00 am -
3 stops23h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$535
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1412:15 pm -
3 stops29h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$536
This Kiwi.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/512:15 pm -
3 stops32h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$553
Find flight deals from Heathrow to Chicago
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $708 (Booking.com) |
One-way from | $479 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $838 |
Good round-trip deal | $780 or less |
Good one-way deal | $701 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Heathrow to Chicago 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 9, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Chicago that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
LondonChicago
LHR London Heathrow - ORD Chicago O'Hare Intl
LHRORD
London Heathrow
Wed 12/9
7:40 am-10:45 am
Nonstop9h 05m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$560
LondonChicago
LHR London Heathrow - ORD Chicago O'Hare Intl
LHRORD
London Heathrow
Tue 12/1
1:35 pm-4:55 pm
Nonstop9h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$561
LondonChicago
LHR London Heathrow - ORD Chicago O'Hare Intl
LHRORD
London Heathrow
Wed 12/2
10:25 am-1:45 pm
Nonstop9h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$561
LondonChicago
LHR London Heathrow - ORD Chicago O'Hare Intl
LHRORD
London Heathrow
Sat 11/21
12:05 pm-12:40 pm
1 stop30h 35m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$577
LondonChicago
LHR London Heathrow - MDW Chicago Midway
LHRMDW
London Heathrow
Wed 12/2
11:20 am-6:01 pm
1 stop12h 41m
Chicago Midway
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$583
LondonChicago
LHR London Heathrow - ORD Chicago O'Hare Intl
LHRORD
London Heathrow
Fri 11/13
9:20 am-7:17 pm
1 stop15h 57m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$593
LondonChicago
LHR London Heathrow - ORD Chicago O'Hare Intl
LHRORD
London Heathrow
Sun 11/8
9:20 am-7:17 pm
1 stop15h 57m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$597
LondonChicago
LHR London Heathrow - ORD Chicago O'Hare Intl
LHRORD
London Heathrow
Mon 11/9
9:20 am-7:17 pm
1 stop15h 57m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$598
LondonChicago
LHR London Heathrow - ORD Chicago O'Hare Intl
LHRORD
London Heathrow
Thu 12/3
10:25 am-1:45 pm
Nonstop9h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$616
LondonChicago
LHR London Heathrow - ORD Chicago O'Hare Intl
LHRORD
London Heathrow
Sat 12/5
7:40 am-10:45 am
Nonstop9h 05m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$616
Showing 1-10 of 46 resultsSorted by cheapest first
Compare providers for flights from Heathrow to Chicago
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Chicago in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on London Heathrow Airport-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Chicago flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on London Heathrow Airport-Chicago flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Chicago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Heathrow to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from Heathrow with our price prediction graph.
LHR-CHI
LHR-ORD
LHR-MDW
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from London Heathrow Airport to Chicago
LHR-CHI
LHR-ORD
LHR-MDW
What is the cheapest month to book a flight from London Heathrow Airport to Chicago?
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Chicago (average of $672). Flying from London Heathrow Airport to Chicago in August is currently the most expensive (average of $1,108). 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 LHR to CHI?
Find hourly flight availability from Heathrow to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 9, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Chicago as you normally would.
Weekly flight availability from London Heathrow Airport to Chicago
Explore weekly flight availability from Heathrow to Chicago. 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 9, 2026.
The most flights from LHR to CHI are scheduled on a Wednesday (50 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (41 on average).
How much does it cost to fly round-trip from London Heathrow Airport to Chicago?
Airfare is typical for this route at the moment.
London Heathrow Airport to Chicago flights typically cost between $697 and $998 in November.The cheapest round-trip price found within the last 5 days was $708 on Scandinavian Airlines (Nov 19-Nov 26).
What’s the top layover airport for flights from London Heathrow Airport to Chicago?
Share of 1-stop round-trip flights from London Heathrow Airport to Chicago chosen by Cheapflights users in the past 12 months, using the same layover each way.
Reykjavik (KEF) – chosen by Cheapflights users on 80% of 1-stop itineraries from London Heathrow Airport to Chicago on Cheapflights.
What’s the cheapest layover airport for flights from London Heathrow Airport to Chicago?
Average round-trip fare for 1-stop flights from London Heathrow Airport to Chicago, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Lisbon (LIS) is the most affordable 1-stop option, with an average round-trip price of $610.
What’s the fastest layover option from London Heathrow Airport to Chicago?
Shortest average travel time for 1-stop one-way flights from London Heathrow Airport to Chicago, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 11h 09m.
Which airport typically offers the quickest layover for flights from London Heathrow Airport to Chicago?
Average layover duration for 1-stop one-way flights from London Heathrow Airport to Chicago, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 03m.
How often are flights from London to Chicago delayed?
About 8% of weekly flights between London and Chicago have experienced delays in the past year, with the average delay time being 179 minutes.
What is the most punctual flight time for London to Chicago flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on London to Chicago flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 5% of flights being delayed.
How far ahead should I book a flight from London Heathrow Airport to Chicago?
The price you pay for your flight from London Heathrow Airport to Chicago may vary depending on when you book. For the best chance of a lower fare, look to book 79 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
The best insider tips for London Heathrow Airport to Chicago flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your London Heathrow Airport to Chicago trip
Our travel experts
Reviews of airlines servicing Chicago
Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated October 9, 2026.
Get a feel of what it's like to fly with Icelandair,Lufthansa, andBritish Airways from London Heathrow Airport to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.0
Food
6.1
Entertainment
6.9
Comfort
6.9
Boarding
7.2
Overall
6.9
Reviews
1 / 20
10.0
ExcellentVictoria,Sep 2026
KEF - EWR
Crew
8.0
Food
6.1
Entertainment
6.9
Comfort
6.9
Boarding
7.2
Overall
6.9
Reviews
1 / 20
10.0
ExcellentVictoria,Sep 2026
KEF - EWR
Crew
8.0
Food
6.1
Entertainment
6.9
Comfort
6.9
Boarding
7.2
Overall
6.9
Reviews
1 / 20
10.0
ExcellentVictoria,Sep 2026
KEF - EWR
Crew
8.0
Food
6.1
Entertainment
6.9
Comfort
6.9
Boarding
7.2
Overall
6.9
Reviews
1 / 20
10.0
ExcellentVictoria,Sep 2026
KEF - EWR
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsBenton Harbor
Lansing
Merrillville
Valparaiso
Hammond
Saint Joseph
Porter
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Other flights to Chicago
Explore flights to Chicago departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 9, 2026.
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Heathrow and Chicago flights
Browse other Heathrow and Chicago flight options. Last updated on October 9, 2026.
Other flights from Heathrow
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on October 9, 2026.
Popular flight searches
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Top 8 airlines flying from Heathrow to Chicago
Discover the top 8 airlines that operate flights from Heathrow to Chicago. 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 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$421 | Average$662 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$583 | Average$959 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$614 | Average$957 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$666 | Average$704 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$703 | Average$838 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$758 | Average$931 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$806 | Average$895 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$895 | Average$1,132 | FlexibilityNo cancel fee | On-time69% |