Find cheap United Airlines flights to London
ICT — YXU
Nov 8 — Nov 151
Round-trip
1 adult, Economy
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Cheapest United Airlines flights from USA to LondonExplore the most affordable United Airlines flight options available from USA to London. Find the lowest fares with prices last updated on October 9, 2026.
Explore the most affordable United Airlines flight options available from USA to London. Find the lowest fares with prices last updated on October 9, 2026.
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.
Wed 11/1812:55 am -
2 stops10h 47m
Thu 11/269:15 am -
1 stop9h 25m
Deal found 10/5![United Airlines logo]()
$680
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.
Thu 11/196:00 am -
2 stops8h 42m
Thu 11/265:30 am -
2 stops10h 11m
Deal found 10/5![United Airlines logo]()
$770
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.
Tue 10/208:30 am -
1 stop8h 10m
Thu 10/223:30 pm -
2 stops18h 11m
Deal found 10/5![United Airlines logo]()
$771
Best United Airlines flights from USA to LondonDiscover carefully curated United Airlines flight deals from USA to London 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 United Airlines flight deals from USA to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 9, 2026.
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.
Wed 11/1812:55 am -
2 stops10h 47m
Thu 11/269:15 am -
1 stop9h 25m
Deal found 10/5![United Airlines logo]()
$680
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.
Thu 11/196:00 am -
2 stops8h 42m
Thu 11/265:30 am -
2 stops10h 11m
Deal found 10/5![United Airlines logo]()
$770
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.
Tue 10/208:30 am -
1 stop8h 10m
Thu 10/223:30 pm -
2 stops18h 11m
Deal found 10/5![United Airlines logo]()
$771
Last-minute United Airlines flights from USA to LondonDiscover last-minute United Airlines flight deals from USA to London. Data last updated October 9, 2026 and is based on user searches.
Discover last-minute United Airlines flight deals from USA to London. Data last updated October 9, 2026 and is based on user searches.
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.
Wed 11/1812:55 am -
2 stops10h 47m
Thu 11/269:15 am -
1 stop9h 25m
Deal found 10/5![United Airlines logo]()
$680
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.
Thu 11/196:00 am -
2 stops8h 42m
Thu 11/265:30 am -
2 stops10h 11m
Deal found 10/5![United Airlines logo]()
$770
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.
Tue 10/208:30 am -
1 stop8h 10m
Thu 10/223:30 pm -
2 stops18h 11m
Deal found 10/5![United Airlines logo]()
$771
One-way United Airlines flights to LondonSearch for one-way United Airlines flight options to London. Find affordable one-way fares based on user searches. Data last updated October 9, 2026.
Search for one-way United Airlines flight options to London. Find affordable one-way fares based on user searches. Data last updated October 9, 2026.
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/411:30 pm -
2 stops12h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![United Airlines logo]()
$342
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/316:53 pm -
3 stops26h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![United Airlines logo]()
$518
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1810:55 am -
2 stops18h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![United Airlines logo]()
$541
Flights to London with United Airlines at a glance
Find detailed information about United Airlines flights from USA to London. Explore the options provided by United Airlines to plan your journey from USA to London. Data last updated October 9, 2026.
Cheapflights Insights
Find cheap United Airlines flights to London
US0-YXU
SFO-YXU
TPA-YXU
MCO-YXU
SEA-YXU
How long is the flight to London with United Airlines?
On average, United Airlines flights from the United States to London take 4 hours 12 minutes. Flights to London from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.
FAQs about flights to London with United Airlines
Reviews of United Airlines
See what Cheapflights users have to say about their United Airlines experience.
Overview
Reviews
United Airlines
10,000 reviews
Overview
Comfort
7.3
Entertainment
7.1
Boarding
7.7
Crew
8.1
Food
6.7
Recent reviews
10.0
|Oct 2026Is good
10.0
|Sep 2026Everything was good
8.0
|Sep 2026The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
10.0
|Aug 2026Staff friendly, good boarding experience
4.0
|Aug 2026Had to go through TSA again, already purchased bottle drink. TSA would not let through, United changed gates last minute. This experience bad for everyone. Staff rude, not our fault. Staff from Chicago to Wichita excellent!
1 out of 3334
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