$555 Find Cheap Flights from London to Houston

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Houston departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Houston

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Houston.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Houston.
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Everything you should know

Cheapest round-trip
$919
Typical prices: $1,236-$907
JetBlue
Tue 6/30Tue 9/8
LHR - IAH • 1 stop
Cheapest non-stop
$928
Typical prices: $1,103-$895
United Airlines
Thu 10/22Mon 10/26
LHR - IAH • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts and KAYAK users. AI can make mistakes.
Lufthansa Premium Economy adds 50% more space and an extra checked bag.
BA Premium Economy offers wider seats; Iberia adds Wi-Fi on long flights.
Expert advice
Expert advice
+1
+1
Expert advice
Expert advice
+1
Top airlines
Cheapest • from $919 (round-trip)
Best reviews • 7.4 score
Airline reviews
Airline reviews
+1
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Airline reviews
Airline reviews
+1
Nonstop flights
You can fly direct with British Airways, United Airlines and Aer Lingus. Average duration is 10h 18m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Top routes
Cheapest
Most popular
Insights
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Insights
Avoid delays
Most punctual • 90% on-time
Best time • Fewest delays
Insights
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When to book
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 32% compared to booking last minute.
Insights
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Flight Deals

Cheap Flights from London to Houston (LHR-HOU)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from London to Houston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from London to Houston

Tue, Jun 30 - Tue, Sep 8
JetBlue Logo
8:15 am - 5:25 pm
LHR
-
IAH
15h 10m
1 stop
JetBlue Logo
11:50 am - 9:30 am
IAH
-
LHR
15h 40m
1 stop
$919JetBlue
Wed, Oct 28 - Sat, Nov 7
JetBlue Logo
7:25 am - 4:15 pm
LHR
-
IAH
13h 50m
1 stop
JetBlue Logo
5:15 pm - 8:45 pm
IAH
-
LHR
21h 30m
1 stop
$920JetBlue
Fri, Jul 10 - Fri, Jul 31
JetBlue Logo
8:40 am - 5:41 pm
LHR
-
IAH
15h 01m
1 stop
JetBlue Logo
6:31 pm - 6:30 am
IAH
-
LHR
29h 59m
1 stop
$922JetBlue
Wed, Sep 23 - Thu, Oct 1
Multiple Airlines Logo
8:05 am - 9:00 pm
LHR
-
IAH
18h 55m
1 stop
Multiple Airlines Logo
12:21 pm - 7:55 am
IAH
-
LHR
13h 34m
1 stop
$923Multiple Airlines
Thu, Oct 8 - Sun, Oct 11
JetBlue Logo
8:15 am - 4:20 pm
LHR
-
IAH
14h 05m
1 stop
JetBlue Logo
11:45 am - 8:45 pm
IAH
-
LHR
27h 00m
1 stop
$924JetBlue
Thu, Oct 22 - Mon, Oct 26
United Airlines Logo
10:00 am - 2:15 pm
LHR
-
IAH
10h 15mnonstop
United Airlines Logo
5:20 pm - 7:30 am
IAH
-
LHR
9h 10mnonstop
$928United Airlines
Thu, Sep 3 - Thu, Sep 10
British Airways Logo
4:25 pm - 11:56 pm
LHR
-
HOU
13h 31m
1 stop
British Airways Logo
6:19 pm - 12:50 pm
HOU
-
LHR
12h 31m
1 stop
$1,065British Airways
Tue, Sep 1 - Wed, Sep 30
British Airways Logo
10:05 am - 5:44 pm
LHR
-
HOU
13h 39m
1 stop
British Airways Logo
11:46 am - 6:20 am
HOU
-
LHR
12h 34m
1 stop
$1,066British Airways
Sat, Nov 21 - Mon, Nov 30
Finnair Logo
11:55 am - 7:50 pm
LHR
-
HOU
13h 55m
1 stop
Finnair Logo
4:25 pm - 10:00 am
HOU
-
LHR
11h 35m
1 stop
$1,086Finnair
Wed, Nov 4 - Sun, Nov 15
Finnair Logo
8:20 am - 3:54 pm
LHR
-
HOU
13h 34m
1 stop
Finnair Logo
4:25 pm - 10:00 am
HOU
-
LHR
11h 35m
1 stop
$1,087Finnair
Booking Insights

KAYAK's insights & trends for London to Houston flights

Get data-powered insights and trends into flights from London to Houston to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from London Heathrow Airport to Houston?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from London Heathrow Airport to Houston departing in June.

What is the cheapest London Heathrow Airport to Houston flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from London Heathrow Airport to Houston costs $939 on the route between London Heathrow Airport (LHR) and Houston George Bush Intcntl Airport (IAH). It is also the most popular route.

What’s the cheapest day of the week to fly from London to Houston?

The average price of all round-trip flights from London Heathrow Airport to Houston clicked on KAYAK for each day over the last 12 months.

When flying from London to Houston, you should consider leaving on a Sunday and avoid Tuesdays if you are looking for the best rates. For your return to London, you’ll find the best rates on Wednesdays and the most expensive ones on Fridays.

What is the cheapest month to fly from London Heathrow Airport to Houston?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London Heathrow Airport to Houston, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from London Heathrow Airport to Houston is January, where tickets cost $87 (return) on average. On the other hand, the most expensive months are February and May, where the average cost of round-trip tickets is $1,747 and $577 respectively.

How far in advance should I book a flight from London Heathrow Airport to Houston?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from London Heathrow Airport to Houston, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from London Heathrow Airport to Houston, you should book around 2 weeks before departure, which saves you about 32% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

Expert advice

Expert advice for your flight from London to Houston

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Iberia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Duncan Madden

Duncan Madden

Expert on British Airways and LHR

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Jessica Macdonald

Jessica Macdonald

Expert on Lufthansa

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

John Walton

John Walton

Expert on IAH

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Good to know

Cheapest flight$555
Flight from London Heathrow Airport to Houston George Bush Airport

When to book flights from London to Houston

Are your dates flexible? Find out the best times to travel from London to Houston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Flights from London to Houston: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from London to Houston 
AndreaFlew with United Airlines
LHR
-
IAH
Apr 2026
Flight connections can be risky with a 2:45-hour gap. Be aware that the Houston airport is very busy.
WarrenFlew with United Airlines
LHR
-
IAH
Jan 2024
The ground transportation situation (Uber, taxis) at International Arrivals (Terminals D/E) is frankly pathetic for a major American city. Way too many people and cars for the allotted space. I would recommend taking the mini-train to another terminal (A,B or C) and getting an Uber there, rather than trying to navigate International.

FAQs for booking London to Houston flights

  • What is the cheapest flight from London Heathrow Airport to Houston?

    In the last 5 days, the lowest price for a flight from London Heathrow Airport to Houston was $555 for a one-way ticket and $919 for a round-trip.

  • Do I need a passport to fly between London and Houston?

    Yes, you’ll need a passport to travel to Houston from London.

  • Which airports will I be using when flying from London to Houston?

    When flying out of London you will be using London Heathrow. You will be landing at one of these airports: Houston Hobby or Houston George Bush Intcntl.

  • Which aircraft models fly most regularly from London to Houston?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from London to Houston?

    oneworld, and Star Alliance are the airline alliances operating flights between London and Houston, with oneworld being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from London to Houston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Houston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Houston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Houston from London is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London to Houston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Houston with an airline and back to London with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Houston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Houston from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Prefer to fly direct from London to Houston?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from London Heathrow to Houston.
Find which airlines fly direct from London Heathrow Airport to Houston, which days they fly and book direct flights.

Direct departures

London Heathrow to Houston

Monday

British Airways,United Airlines

British Airways,United Airlines

Tuesday

British Airways,United Airlines

British Airways,United Airlines

Wednesday

British Airways,United Airlines

British Airways,United Airlines

Thursday

British Airways,United Airlines

British Airways,United Airlines

Friday

British Airways,United Airlines,Aer Lingus

British Airways,United Airlines, +1 more

Saturday

British Airways,United Airlines

British Airways,United Airlines

Sunday

British Airways,United Airlines

British Airways,United Airlines

See more direct flights

Direct returns

Houston to London Heathrow

Monday

British Airways,United Airlines

British Airways,United Airlines

Tuesday

British Airways,United Airlines

British Airways,United Airlines

Wednesday

British Airways,United Airlines

British Airways,United Airlines

Thursday

British Airways,United Airlines

British Airways,United Airlines

Friday

British Airways,United Airlines

British Airways,United Airlines

Saturday

British Airways,United Airlines

British Airways,United Airlines

Sunday

British Airways,United Airlines

British Airways,United Airlines

See more direct flights

Reviews of the top 5 airlines serving from London to Houston

 
See real verified KAYAK customer reviews for airlines flying from London to Houston. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from London to Houston? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9841 reviews
6.6Food
7.3Comfort
7.7Boarding
8.1Crew
7.1Entertainment
Airline reviews

The pilot had to extend the flight time from san antonio to Houston to burn off fuel. This caused a lot of unnecessary stress since we had a tight connection to Aruba. And with no other flights going to Aruba we were worried about spending a night in Houston. We had to to run to our connection because of the flight crews mistake. Not happy.

2.0 MediocreRoberta, Jun 2026
SAT - IAH
Read more United Airlines reviews

The pilot had to extend the flight time from san antonio to Houston to burn off fuel. This caused a lot of unnecessary stress since we had a tight connection to Aruba. And with no other flights going to Aruba we were worried about spending a night in Houston. We had to to run to our connection because of the flight crews mistake. Not happy.

The flight was delayed, they didn’t even have water for the toilets or for drinks

Even through the flight was delayed due to storms near IAH The flight was great! The crew was so hospitable and professional

The flight had a delay but I made it to my connection. Flight was smooth overall

The flight to Houston the agents were not very helpful

Horrible, absolutely horrible. The airline overbooked the flight, did NOT assign seats and boarding was a hot mess with lots of confused passengers. There was no "large plane" gate for us, the 500+ passengers were squeezed in a small hold room area, and multiple busses had to shuttle us to the other side of the airfield, where boarding of the plane, that was parked on the ramp, took place in rain. The old plane had a broken seat, that the technicians tried to fix - with no success - resulting in a 50min delay. The flight attendant with heart shaped earnings with German flag was screaming on the passengers without a reason, was extremely rude and entitled the entire flight. The food was junk. I hope I don't have to fly United ever again.

No screens or meal options. Freezing cold. Dirty seats. Left late.

Very friendly and helpful staff on board and United was excellent when I missed my onward flight due to the delay in London. Very well organised meant much less stress

It was terrible. sat on airplane 2 hours then flight was canceled. made to pick up bags and go through Panama immagration to rebook another flight. worst experice ever at a airport.

Good but airlines getting smaller. I didn't like the meal but the service was fine. Flight was fine and luggage arrived. So good.

Crew was nice, aircraft dated, entertainment same. Internet is expensive and terribly slow. Food pretty bad

Horrible experience. Food was ridiculous, insufficient, and not appetizing at all. They served sugary granola bar for breakfast. Furthermore, my bags were delayed and delivered damaged and American made it impossible to file for damages. Furthermore, the flights were delayed causing unnecessary stress given the connecting flights. It was awful experience, would never want to fly American.

My table was broken so it made it difficult to eat the food during the service. I was also informed that my luggage did not make it with me to Phoenix. I live two hours away so this makes it even more stressful to try and arrange a time for pick up

Part of my stress and frustration was 50% with the TSA security. However. It is nearly impossible, if you are flying long-range and carrying luggage, to get through security and to the Gate before it closes. I was scheduled to fly out at approximately 12 and got hung up at TSA from 11:00-11:20. When I looked at the screen, the gate was already closing. I have to run to gate 24. Barely made it - all that to say you might consider lengthening the connection time by at least 30 mins.

Very hard to beat a British Airways international flight…the crews are always so amazing! One flight attendant that really stood out was Emma…she was very personable and accommodating with any request we had!!

The passport line was so long that many of us were concerned about missing our flight and some did. It would've helped if a AA representative had gone to the passport check-in sooner to advise that boarding was closing and those flying that were stuck back in the line, needed to come forward with apologies to others. An AA representative did do that but only after boarding had already closed. (They delayed take-off so that more who were running with carry-ons could get to the gate - especially stressful for older people!) Then to be crammed into a seat with barely enough leg room for a thin woman, 5'7", like me, much less for a taller, bigger person was not comfortable, especially if the person in front decided to lean back. Crew was fine, food and entertainment also.

The seat when "flat" was not flat and pad was too thin to cover it.

Awful customer service, horrible experience. We travel a lot domestic & international- worst flights to/from ever. Brief bkgd as Inhate to relive this experience: booked and chose 2 seats 4 months prior in Premium Economy - last row end seats close to bathroom, no one behind us, plenty of legroom;, underwear storage — flown this was on other airlines, love it. We receive notice 4 days before scheduled overseas flight - plane has changed, new seats assigned. Seats are split into single seats, opposites of the plane, FRONT Row so no reachable storage. Called BOTH British Air & America. American “switched planes and the seats you want are taken;” British Air “Yes, we’ll be glad to accommodate you (type type type). Just ask at the Gate and someone will give you new boarding passes with seats together in middle, OK?” — OK. —At Gate the attendant looks us up saying “No, it is an overbooked flight and yours are the only seats available.” But but but wait, “We were TOLD our seats had been switched and seated together?” Gate attendant “Well they were wrong and don’t change your seats. Your original seats are where you’ll sit.”. Right. No help WHATSOEVER. We sit opposite on way there, wife VERY disgruntled, a Tol 5 worst ways to start a 3-week bus tour of UK. We promise to NEVER FLY AMERICAN OR BROTISH AIR EVER, and we have 3 more extensive trips planned..

They lost my bag. ... And I asked them 3 times to 3 different people if my checked bag will maKe it all the way - they all confirmed and at the end it was left at the connection... Bravo

British Airways is an excellent airline. Comfort, food and airline personnel.

I tried to book a flight with Jet Blue. Your third party company hijacked my attempt with a website that looked like I was booking with Jet Blue. I realized it when I paid. I tried to cancel and was told by a man in India that there were no refunds. $735 stolen, Thanks Kayak!

It was inexplicably canceled and we are stuck in LA, haven't gotten home and it has been an inconvenience having lost work (on unpaid leave for my husband).

JetBlue worker, Blythe, was so amazing at the DCA counter. If it wasn’t for her, I’m not sure we would’ve made it through. Please thank her!

They lost my luggage and refuse to help. Terrible airline. I've never experienced worse customer service in my life. Pretty much just told me too bad that I lost all my luggage, not caring that I am stuck in Europe for 2 weeks with absolutely nothing.

You should have had Wifi to make it much enjoyable.

The flight out was delayed from 3:40pm to 5pm and again to 8pm. We boarded after 5pm, had to disembark because they could not get the Engine started, then we switched gates and got a new plane and did not board until after 8pm.

The flight was delayed after already taxiing from the gate due to a malfunction. After 3 hours we were told the flight was canceled. The next flight available was Sunday. My daughter and I stayed overnight in the airport due to this issue. I was given a $12 meal voucher. Unacceptable

Whole experience was poor. Delayed 2 hours. Lied about the delays. Was all jet blues fault and tried to blame on air traffic control. Sent out other let trips and wouldn't allow people to switch aircraft.

My bag was not loaded on my flight. it was not communicated to me until i was waiting for my bag at my destination. there was no confirmation of when my bag was arriving and no way to track it.

Nice plane, clean, wifi available and movies. All the flight attendants were courteous.

The food on this flight was better than what we had getting to Rome. The flight was comfortable and the staff was great. One of the staff members was a stickler about the blankets in the aisle, which I get, but still. Overall, great flight and will fly with them again!

Our screen kept turning off ...3 times...had to get crew attention to turn it on again

The legroom was lacking and the entertainment system lacked adequate selection of older films. Modern films are generally not very good.

Perfect airline, super friendly, great service, tasty food. Would fly again.

I like crew. They are friendly. The flight was delayed to take off for 1hr and that caused panic at Houston Airport to catch connecting flight due to security check delay. If it has reached on time I would have sufficient time in collecting bags and security check

I hated the FRA Airport. Confusing signage, including the path to Immigration and Security It seems that the airport grew haphazardly over the years. I have been through multiple WW Hubs with much better experiences.

Flight map did not work. Crew was great, food was good, plane took off on time and landed early. That's all I can ask.

Paid for exit row at the back of the plane. Window seat with lots of leg space. Food was inedible (as usual). Brought my own.

The seating arrangement by having privacy screens would have been more appealing. If you sit in the business class, you pay for extra comfort and privacy. Other than that, the service was excellent and the staff very professional.

The plane was late (as was my flight out from Birmingham the day before)

Seats not as comfortable as I had hoped. Food was very nice, service was fine. Entertainment options very nice. Had thought the premium economy was a more plus 2-3-2 layout but it was a 2-4-2 with seats not as wide as I had expected.

I flew four flights on British Airways within two weeks. I was unable to download the boarding pass to my phone for any of the four flights. I could check-in for my flight but the system would not give me boarding pass. I tried multiple ways and multiple times. I discovered many other passengers also had the same issue with their boarding passes. No explanation or acknowledgement by BA.

Lovely big plane. Excellent take off and landing. Cabin crew were so nice. Flight in time no delays

Because our ABZ-LHR flight was cancelled by BA for reasons they refuse to tell us--not weather--we did not make this flight and were booked on the following day. BA offered no assistance to us on the phone or in the airport, and we had to find a hotel at Heathrow on our own.

Horrible - flight was delayed by 6 hours - we boarded, were made to de-board due some technical fault; aircraft changed; special meals request on new flight - all went awry. Landed in Dulles airport; breezed thru immigration; as Business Class passengers or baggage was delivered almost 90 minutes after landing; air tags indicated the bags were just near the carousel but the unhelpful BA staff - Maria and Ghina refused to give any update - palming it off on some imaginary invisible “manager” despite air tags evidence showing it right there. So about 50-60 passengers waiting and getting infuriatingly impatient for their bags coz one container was not delivered. Finally after much argument by some other passengers Maria condescended to go to the “ramp” and within 5 minutes the baggage was delivered miraculously. Question is why couldn’t she have done it one hour earlier ? Poor poor experience once again on Business Class BA.

Cheap Flight Fares would not provide booking info. I canceled the reservation and we arbitrated with American Express. They provided erroneous info to Amex and it was determined that C.F.F. deserved the price of the ticket. Worse experience I've ever had.

Seating space is appalling. Seats and all surrounding area in "Economy" is built for individuals shorter than 4' 10" and below 120 lbs. Ridiculous. While I'm not expecting fine dining, the food was the worst airplane food that I can recall.

Business class lounge for my gate was closed and no email was sent, causing me to walk back and forth to different gates, etc for over 20 minutes one way. Flight entertainment was mediocre with very poor choices especially for business class cabin. Original flight was cancelled and rebooking was difficult and no reason given for cancellation.

Very comfortable flight and simple and directed one way and back. Amazing price.

We loved our flight attendant, Emma from Scotland, the meal and entertainment offerings were wonderful, the flight was smooth, and enough leg room to stretch. We would fly with you again!

Everything you need to know for your flight from London to Houston

Information on your arrival and departure airports