$469+ Cheap flights from London (LON) to O'Hare Intl (ORD)
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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — ORD
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from London to O'Hare Intl 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 to Chicago O'Hare Intl are usually found in February or January, booked 9 days in advance, depart on a Friday or Thursday and return on a Tuesday
Cheap flight deals from London to O'Hare Intl
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Cheapest flights from London to O'Hare IntlExplore the most affordable flight options available from London to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
Explore the most affordable flight options available from London to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Wed 9/163:40 pm -
1 stop11h 45m
Sun 11/156:30 pm -
1 stop10h 25m
Deal found 9/6![Icelandair logo]()
$710
This oojo deal was found by Cheapflights users on 9/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:15 pm -
1 stop11h 05m
Sat 11/146:30 pm -
1 stop10h 20m
Deal found 9/5![Icelandair logo]()
$710
This Mytrip deal was found by Cheapflights users on 9/6. 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.
Tue 10/61:10 pm -
1 stop12h 05m
Tue 10/133:45 pm -
1 stop11h 30m
Deal found 9/6![Multiple Airlines logo]()
$710
This Cheapflightsfares deal was found by Cheapflights users on 9/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:25 am -
1 stop12h 30m
Tue 9/292:40 pm -
1 stop11h 45m
Deal found 9/5![SWISS logo]()
$711
This Cheapflightsfares deal was found by Cheapflights users on 9/4. 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.
Thu 10/16:00 am -
1 stop12h 35m
Sun 10/117:05 pm -
1 stop16h 45m
Deal found 9/4![SWISS logo]()
$711
This Mytrip deal was found by Cheapflights users on 9/4. 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.
Fri 9/256:20 am -
1 stop13h 40m
Wed 9/303:45 pm -
1 stop17h 40m
Deal found 9/4![Multiple Airlines logo]()
$711
This Mytrip deal was found by Cheapflights users on 9/3. 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.
Fri 9/259:40 am -
2 stops33h 41m
Mon 9/282:15 pm -
1 stop14h 30m
Deal found 9/3![Multiple Airlines logo]()
$712
This Justfly.com deal was found by Cheapflights users on 9/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:25 pm -
1 stop26h 50m
Mon 10/197:25 pm -
1 stop10h 30m
Deal found 9/4![Icelandair logo]()
$712
This Kissandfly.com deal was found by Cheapflights users on 9/4. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:30 pm -
1 stop23h 25m
Mon 11/165:40 pm -
1 stop21h 10m
Deal found 9/4![Multiple Airlines logo]()
$712
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/6. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:00 pm -
1 stop29h 30m
Wed 11/117:00 pm -
2 stops43h 35m
Deal found 9/6![TAP AIR PORTUGAL logo]()
$713
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Thu 9/171:05 pm -
1 stop11h 10m
Thu 11/126:30 pm -
1 stop10h 20m
Deal found 9/6![Icelandair logo]()
$713
This Justfly.com deal was found by Cheapflights users on 9/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1111:55 am -
1 stop11h 25m
Thu 1/76:30 pm -
1 stop10h 25m
Deal found 9/6![Icelandair logo]()
$714
Best flights from London to O'Hare IntlDiscover carefully curated flight deals from London to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from London to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This Mytrip deal was found by Cheapflights users on 9/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:15 am -
1 stop11h 45m
Wed 10/219:00 pm -
1 stop12h 25m
Deal found 9/5![Multiple Airlines logo]()
$716
This Icelandair deal was found by Cheapflights users on 9/4. 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.
Tue 9/293:40 pm -
1 stop32h 35m
Thu 1/286:30 pm -
1 stop10h 25m
Deal found 9/4![Icelandair logo]()
$720
This British Airways deal was found by Cheapflights users on 9/5. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:50 am -
1 stop11h 20m
Thu 11/193:55 pm -
1 stop11h 10m
Deal found 9/5![British Airways logo]()
$728
This Austrian Airlines deal was found by Cheapflights users on 9/6. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:00 am -
1 stop13h 20m
Tue 10/134:20 pm -
1 stop34h 00m
Deal found 9/6![Austrian Airlines logo]()
$742
This Delta deal was found by Cheapflights users on 9/4. 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.
Wed 9/306:30 am -
2 stops16h 29m
Thu 1/2811:10 am -
1 stop14h 40m
Deal found 9/4![Delta logo]()
$789
This Virgin Atlantic deal was found by Cheapflights users on 9/6. 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.
Thu 10/2910:00 am -
1 stop12h 15m
Thu 11/51:50 pm -
2 stops19h 55m
Deal found 9/6![Virgin Atlantic logo]()
$806
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/1512:10 pm -
1 stop33h 45m
Thu 10/229:30 pm -
Nonstop8h 25m
Deal found 9/4![United Airlines logo]()
$809
This Scandinavian Airlines deal was found by Cheapflights users on 9/6. 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.
Mon 10/195:00 pm -
1 stop29h 10m
Wed 11/47:15 pm -
2 stops20h 05m
Deal found 9/6![Scandinavian Airlines logo]()
$816
This KLM deal was found by Cheapflights users on 9/6. 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.
Sat 12/128:40 am -
1 stop11h 45m
Thu 1/144:25 pm -
1 stop11h 05m
Deal found 9/6![KLM logo]()
$891
This SWISS deal was found by Cheapflights users on 9/4. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:25 am -
1 stop12h 30m
Fri 1/294:10 pm -
2 stops16h 15m
Deal found 9/4![SWISS logo]()
$913
This Gotogate deal was found by Cheapflights users on 9/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/265:20 pm -
1 stop22h 40m
Sun 11/2911:45 am -
1 stop16h 10m
Deal found 9/6![Turkish Airlines logo]()
$915
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/4. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:20 pm -
2 stops24h 40m
Mon 9/219:38 am -
2 stops18h 07m
Deal found 9/4![TAP AIR PORTUGAL logo]()
$1,034
This British Airways deal was found by Cheapflights users on 9/6. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:10 pm -
1 stop12h 10m
Sat 11/283:55 pm -
1 stop11h 10m
Deal found 9/6![British Airways logo]()
$728
This Connections by easyJet deal was found by Cheapflights users on 9/2. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/176:00 am -
1 stop17h 20m
Tue 12/296:30 pm -
1 stop14h 35m
Deal found 9/2![Multiple Airlines logo]()
$732
This Delta deal was found by Cheapflights users on 9/4. 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.
Fri 9/186:30 am -
2 stops15h 43m
Mon 9/2110:25 am -
1 stop14h 20m
Deal found 9/4![Delta logo]()
$789
This British Airways deal was found by Cheapflights users on 9/4. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:25 pm -
1 stop11h 50m
Wed 10/213:45 pm -
1 stop10h 20m
Deal found 9/4![British Airways logo]()
$730
This Mytrip deal was found by Cheapflights users on 9/6. 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.
Thu 11/128:20 am -
2 stops15h 00m
Tue 11/241:55 pm -
2 stops17h 50m
Deal found 9/6![Multiple Airlines logo]()
$740
This Virgin Atlantic deal was found by Cheapflights users on 9/5. 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 10/79:20 am -
2 stops18h 11m
Tue 10/1311:19 am -
2 stops14h 36m
Deal found 9/5![Virgin Atlantic logo]()
$830
This Scandinavian Airlines deal was found by Cheapflights users on 9/6. 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 10/226:40 am -
1 stop15h 30m
Sun 10/258:15 pm -
1 stop16h 25m
Deal found 9/6![Scandinavian Airlines logo]()
$830
This Turkish Airlines deal was found by Cheapflights users on 9/4. 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 10/105:45 pm -
1 stop21h 55m
Thu 10/158:10 pm -
1 stop38h 40m
Deal found 9/4![Turkish Airlines logo]()
$916
This Scandinavian Airlines deal was found by Cheapflights users on 9/3. 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.
Fri 9/187:05 am -
2 stops20h 32m
Mon 9/217:15 pm -
2 stops18h 40m
Deal found 9/3![Scandinavian Airlines logo]()
$834
This Mytrip deal was found by Cheapflights users on 9/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:20 am -
2 stops15h 00m
Wed 12/23:45 pm -
2 stops17h 25m
Deal found 9/5![Multiple Airlines logo]()
$770
This Virgin Atlantic deal was found by Cheapflights users on 9/6. 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.
Sat 12/1210:00 am -
1 stop12h 15m
Thu 1/149:30 am -
2 stops17h 30m
Deal found 9/6![Virgin Atlantic logo]()
$873
This British Airways deal was found by Cheapflights users on 9/3. 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 10/141:25 pm -
1 stop11h 50m
Tue 11/245:10 pm -
Nonstop7h 45m
Deal found 9/3![British Airways logo]()
$803
This Turkish Airlines deal was found by Cheapflights users on 9/3. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:55 am -
1 stop29h 05m
Sat 12/511:45 am -
1 stop22h 35m
Deal found 9/3![Turkish Airlines logo]()
$919
This Scandinavian Airlines deal was found by Cheapflights users on 9/5. 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.
Mon 10/127:30 pm -
2 stops32h 01m
Sat 10/177:15 pm -
2 stops15h 10m
Deal found 9/5![Scandinavian Airlines logo]()
$850
This Mytrip deal was found by Cheapflights users on 9/6. 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.
Sat 12/128:15 am -
2 stops15h 05m
Thu 1/146:30 pm -
2 stops14h 05m
Deal found 9/6![Multiple Airlines logo]()
$775
This SWISS deal was found by Cheapflights users on 9/6. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:15 pm -
1 stop23h 40m
Mon 10/59:35 pm -
2 stops15h 05m
Deal found 9/6![SWISS logo]()
$1,043
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/6. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1110:40 am -
3 stops27h 05m
Wed 1/67:00 pm -
1 stop14h 05m
Deal found 9/6![TAP AIR PORTUGAL logo]()
$1,048
This Icelandair deal was found by Cheapflights users on 9/3. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:40 pm -
1 stop11h 45m
Mon 10/267:30 pm -
1 stop10h 25m
Deal found 9/3![Icelandair logo]()
$1,049
Last-minute flights from London to O'Hare IntlDiscover last-minute flight deals from London to O'Hare Intl. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from London to O'Hare Intl. Data last updated September 7, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:00 am -
1 stop12h 55m
Tue 9/152:40 pm -
1 stop14h 40m
Deal found 9/2![SWISS logo]()
$714
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Thu 9/108:40 am -
1 stop16h 35m
Wed 9/239:00 pm -
1 stop14h 50m
Deal found 9/3![Multiple Airlines logo]()
$715
This Justfly.com deal was found by Cheapflights users on 9/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:25 pm -
1 stop26h 50m
Mon 10/197:25 pm -
1 stop10h 30m
Deal found 9/4![Icelandair logo]()
$712
This Expedia deal was found by Cheapflights users on 9/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 am -
1 stop12h 55m
Tue 10/207:05 pm -
1 stop11h 55m
Deal found 9/4![SWISS logo]()
$715
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Wed 9/163:40 pm -
1 stop11h 45m
Tue 11/106:30 pm -
1 stop10h 25m
Deal found 9/6![Icelandair logo]()
$710
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Thu 9/171:05 pm -
1 stop11h 10m
Thu 11/126:30 pm -
1 stop10h 20m
Deal found 9/6![Icelandair logo]()
$713
This Cheapflightsfares deal was found by Cheapflights users on 9/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:25 am -
1 stop12h 30m
Tue 9/292:40 pm -
1 stop11h 45m
Deal found 9/5![SWISS logo]()
$711
This Mytrip deal was found by Cheapflights users on 9/4. 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.
Fri 9/256:20 am -
1 stop13h 40m
Wed 9/303:45 pm -
1 stop17h 40m
Deal found 9/4![Multiple Airlines logo]()
$711
This Mytrip deal was found by Cheapflights users on 9/3. 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.
Fri 9/259:40 am -
2 stops33h 41m
Mon 9/282:15 pm -
1 stop14h 30m
Deal found 9/3![Multiple Airlines logo]()
$712
This Cheapflightsfares deal was found by Cheapflights users on 9/4. 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.
Thu 10/16:00 am -
1 stop12h 35m
Sun 10/117:05 pm -
1 stop16h 45m
Deal found 9/4![SWISS logo]()
$711
This Mytrip deal was found by Cheapflights users on 9/6. 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.
Tue 10/61:10 pm -
1 stop12h 05m
Tue 10/133:45 pm -
1 stop11h 30m
Deal found 9/6![Multiple Airlines logo]()
$710
This oojo deal was found by Cheapflights users on 9/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:15 pm -
1 stop11h 05m
Sat 11/146:30 pm -
1 stop10h 20m
Deal found 9/5![Icelandair logo]()
$710
One-way flights from London to O'Hare IntlSearch for one-way flight options from London to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from London to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Sat 12/58:50 pm -
2 stops24h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$469
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 9/269:40 am -
1 stop13h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$470
This Austrian Airlines deal was found by Cheapflights users on 9/6. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:05 am -
1 stop34h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Austrian Airlines logo]()
$470
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Wed 12/237:00 am -
3 stops40h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$471
This SWISS deal was found by Cheapflights users on 9/2. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:05 pm -
1 stop26h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![SWISS logo]()
$471
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Wed 9/169:40 am -
2 stops33h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$471
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Wed 1/278:00 pm -
1 stop24h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$471
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Fri 11/207:40 pm -
2 stops28h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Thu 11/59:05 pm -
3 stops26h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 9/4. 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.
Fri 11/203:50 pm -
3 stops29h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Sun 1/247:05 am -
2 stops18h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$473
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Sat 12/56:00 am -
2 stops18h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$473
Find flight deals from London to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to O'Hare Intl (ORD). 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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $710 (oojo) |
One-way from | $469 (Kiwi.com) |
Popular in | August |
Cheapest in | February |
Average price | $830 |
Good round-trip deal | $871 or less |
Good one-way deal | $651 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from London to O'Hare Intl 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 September 7, 2026.
Use the filters below to find and compare flights from London to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LondonChicago
LHR London Heathrow - ORD Chicago O'Hare Intl
LHRORD
London Heathrow
Sun 12/6
8:05 pm-4:15 pm
1 stop26h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$473
LondonChicago
LHR London Heathrow - ORD Chicago O'Hare Intl
LHRORD
London Heathrow
Sun 11/29
9:05 am-2:00 pm
1 stop34h 55m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$476
LondonChicago
SEN London Southend - ORD Chicago O'Hare Intl
SENORD
London Southend
Wed 11/25
5:20 pm-3:30 pm
3 stops52h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$486
LondonChicago
LTN London Luton - ORD Chicago O'Hare Intl
LTNORD
London Luton
Thu 11/26
6:05 pm-3:30 pm
3 stops27h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$487
LondonChicago
SEN London Southend - ORD Chicago O'Hare Intl
SENORD
London Southend
Tue 1/12
8:00 am-3:30 pm
3 stops37h 30m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$493
LondonChicago
LTN London Luton - ORD Chicago O'Hare Intl
LTNORD
London Luton
Mon 9/14
8:35 pm-4:00 pm
3 stops49h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$494
LondonChicago
SEN London Southend - ORD Chicago O'Hare Intl
SENORD
London Southend
Tue 9/15
6:30 am-4:00 pm
2 stops39h 30m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$499
LondonChicago
LGW London Gatwick - ORD Chicago O'Hare Intl
LGWORD
London Gatwick
Tue 9/15
10:00 pm-12:40 pm
3 stops44h 40m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$501
LondonChicago
LTN London Luton - ORD Chicago O'Hare Intl
LTNORD
London Luton
Tue 9/15
6:40 pm-12:40 pm
3 stops48h 00m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$503
LondonChicago
LGW London Gatwick - ORD Chicago O'Hare Intl
LGWORD
London Gatwick
Thu 11/12
11:00 am-8:46 am
1 stop27h 46m
Chicago O'Hare Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$504
Showing 1-10 of 60 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on London-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on London-Chicago O'Hare Intl Airport 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-Chicago O'Hare Intl Airport 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 London to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from London with our price prediction graph.
LON-ORD
LGW-ORD
LHR-ORD
LTN-ORD
STN-ORD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from London to Chicago O'Hare Intl Airport
LON-ORD
LGW-ORD
LHR-ORD
LTN-ORD
STN-ORD
What is the cheapest month to book a flight from London to Chicago O'Hare Intl Airport?
Currently, February is the cheapest month in which you can book a flight from London to Chicago O'Hare Intl Airport (average of $652). Flying from London to Chicago O'Hare Intl Airport in August is currently the most expensive (average of $1,091). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from LON to ORD?
Find hourly flight availability from London to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 7, 2026.
When flying from London to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from London to Chicago O'Hare Intl Airport
Explore weekly flight availability from London to O'Hare Intl. 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 September 7, 2026.
The most flights from LON to ORD are scheduled on a Thursday (49 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (19 on average).
How much does it cost to fly round-trip from London to Chicago O'Hare Intl Airport?
Airfare is below average for this route at the moment.
London to Chicago O'Hare Intl Airport flights typically cost between $713 and $975 in October.The cheapest round-trip price found within the last 5 days was $710 on Icelandair (Oct 28-Nov 14).
How often are flights from London to Chicago delayed?
About 10% of weekly flights between London and Chicago have experienced delays in the past year, with the average delay time being 181 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 Tuesday 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 6% of flights being delayed.
How far ahead should I book a flight from London to Chicago O'Hare Intl Airport?
The best time to book flights from London to Chicago O'Hare Intl Airport is 79 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
The best insider tips for London to Chicago O'Hare Intl Airport 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 to Chicago O'Hare Intl Airport trip
Our travel experts
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated September 7, 2026.
Peruse reviews from past customers who have flown with United Airlines,American Airlines, andIcelandair from London to Chicago O'Hare Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.6
Boarding
7.7
Entertainment
7.1
Crew
8.1
Overall
7.4
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Food
6.6
Boarding
7.7
Entertainment
7.1
Crew
8.1
Overall
7.4
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Food
6.6
Boarding
7.7
Entertainment
7.1
Crew
8.1
Overall
7.4
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Food
6.6
Boarding
7.7
Entertainment
7.1
Crew
8.1
Overall
7.4
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Food
6.6
Boarding
7.7
Entertainment
7.1
Crew
8.1
Overall
7.4
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from London to O'Hare Intl. 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 O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Naperville
Glenview
Lake Geneva
Schaumburg
Oakbrook Terrace
Delavan
Oak Brook
Libertyville
Des Plaines
Orland Park
Hoffman Estates
Aurora
Beloit
Rockford
South Holland
Elgin
Racine
Skokie
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London and O'Hare Intl flights
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Top 7 airlines flying from London to O'Hare Intl
Discover the top 7 airlines that operate flights from London to O'Hare Intl. 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 September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$421 | Average$662 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$530 | Average$931 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$561 | Average$875 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$562 | Average$889 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$572 | Average$1,132 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$703 | Average$850 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$806 | Average$849 | FlexibilityNo cancel fee | On-timeN/A |