$420 Cheap Flights from Houston to London

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly from George Bush Intercontinental to Heathrow

Amazing IAH to LHR Flight Deals

The cheapest flights to Heathrow found within the past 7 days were $813 round trip and $420 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for IAH to LHR

CarrierFlightDepart IAHArrive LHRThu
5/26
Fri
5/27
Sat
5/28
Sun
5/29
Mon
5/30
Tue
5/31
Wed
6/1
Stops
BA19404:00 pm07:10 amCheck FareCheck FareCheck FareCheck Fare
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-
-
0 Stops
UA88004:30 pm07:40 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
UA508:25 pm11:35 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
BA19608:30 pm11:40 amCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops

Best Heathrow Flight and Hotel Packages

Heathrow flight + hotel packages - economy flights

The Guardsman
The Strand Palace Hotel
NoMad London
The Londoner
Trebovir Hotel
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Frequently asked questions

 

Traveling From George Bush Intercontinental
Traveling To Heathrow
Shortest Flight Time 9 hours 10 mins
Earliest Departure Time 4:30PM CDT
Latest Departure Time 8:30PM CDT
Lowest Flight Price $813

Route Info

Flight path for flights from George Bush Intercontinental Airport to London Heathrow Airport

Distance:
4,850.00 miles

Airlines & Aircraft Used on IAH to LHR Flight Routes

Airline Carrier
Aircraft
Air Canada
Boeing 737-700 pax
Brussels Airlines
Boeing 737-700 (winglets) pax
Brussels Airlines
Boeing 737-800 (winglets) pax
Brussels Airlines
Embraer 190
Lufthansa
Boeing 737-800 pax
United Airlines
Antonov AN-24
United Airlines
Boeing 737-300 pax
United Airlines
Boeing 737-700 pax
United Airlines
Canadair Regional Jet
United Airlines
Canadair Regional Jet 900

Discover our best flights from Houston IAH to London LHR. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Houston IAH to London LHR at the right price  

Airfares to London LHR from Houston IAH currently cost between $813 and $877. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Houston IAH to London LHR 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Houston IAH to London LHR on Travelocity starting at $420. Prices and availability subject to change. Additional terms may apply. 

 

Get to London LHR from Houston IAH quicker with direct flights. 

Get to London faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to LHR from IAH to take around 9 hour(s) 10 min(s).  

 

Find our cheapest airfares for flights from Houston IAH to London LHR

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to LHR from IAH. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Houston IAH to London LHR today 

If you’re flexible about when you travel, September is usually the cheapest month to fly from Houston IAH to London LHR. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to London LHR from Houston IAH 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to LHR from IAH have this option.  

 

Travel with confidence when you book flights to London LHR from Houston IAH with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.