The cheapest flights to Heathrow found within the past 7 days were $644 round trip and one way. Prices and availability subject to change. Additional terms may apply.
|Carrier||Flight||Depart ORD||Arrive LHR||Fri |
|UA958||04:30 pm||06:45 am||Check Fare||Check Fare||Check Fare||Check Fare||Check Fare||Check Fare||Check Fare|
|UA931||06:45 pm||09:00 am||Check Fare||Check Fare||Check Fare||Check Fare||Check Fare||Check Fare||Check Fare|
|UA938||09:05 pm||11:20 am||Check Fare||Check Fare||Check Fare||Check Fare||Check Fare||Check Fare||Check Fare|
To find the best deals on flights to Chicago from London with United, just enter your travel dates, filter by United, and hit search. You’ll find 3 flights to choose from and can sort by price, flight duration, and arrival or departure time.
If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $644 to $644, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Chicago to London costs from . Prices and availability subject to change. Additional terms may apply.
To find a cheap United flight from Chicago ORD to London LHR, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.
If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as October, or if you book a flight with a stopover.
If you’re keen to be on London soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around 8 hour(s) 15 min(s) – so you’ll be there before you know it.
Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.
At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.
Number of Flights
|IAH||USA||George Bush Intercontinental||136|
|IAD||USA||Washington Dulles Intl.||100|
|SFO||USA||San Francisco Intl.||64|
|LAX||USA||Los Angeles Intl.||23|
Reviewed on Feb 5, 2020
Reviewed on May 6, 2022
Reviewed on May 10, 2022