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Cheap flights from Houston George Bush Intcntl Airport to London from $506

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to London departing on 6/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Houston George Bush Intcntl Airport to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:45 am - 1:45 pm
IAH
-
LTN
25h 00m
2 stops
Multiple Airlines Logo
8:00 am - 10:01 pm
LTN
-
IAH
20h 01m
2 stops
$943Multiple Airlines
Tue, Jul 7 - Wed, Jul 15
Multiple Airlines Logo
10:00 am - 10:55 pm
IAH
-
LTN
30h 55m
2 stops
Multiple Airlines Logo
4:50 pm - 1:35 pm
LTN
-
IAH
26h 45m
2 stops
$948Multiple Airlines
Mon, Aug 17 - Tue, Aug 25
Multiple Airlines Logo
10:00 am - 1:45 pm
IAH
-
LTN
21h 45m
2 stops
Multiple Airlines Logo
8:00 am - 10:01 pm
LTN
-
IAH
20h 01m
2 stops
$950Multiple Airlines
Wed, Jul 29 - Wed, Aug 12
Multiple Airlines Logo
6:45 am - 1:45 pm
IAH
-
LTN
25h 00m
2 stops
Multiple Airlines Logo
8:00 am - 10:01 pm
LTN
-
IAH
20h 01m
2 stops
$964Multiple Airlines
Tue, Jul 7 - Tue, Jul 14
Multiple Airlines Logo
6:45 am - 1:45 pm
IAH
-
LTN
25h 00m
2 stops
Multiple Airlines Logo
8:00 am - 10:01 pm
LTN
-
IAH
20h 01m
2 stops
$968Multiple Airlines
Tue, Jul 7 - Tue, Jul 14
Multiple Airlines Logo
10:00 am - 8:45 pm
IAH
-
LTN
28h 45m
3 stops
Multiple Airlines Logo
6:10 pm - 4:10 pm
LTN
-
IAH
28h 00m
2 stops
$987Multiple Airlines
Wed, Aug 19 - Wed, Aug 26
Multiple Airlines Logo
3:35 pm - 7:05 pm
IAH
-
LTN
21h 30m
2 stops
Multiple Airlines Logo
8:00 am - 10:01 pm
LTN
-
IAH
20h 01m
2 stops
$993Multiple Airlines
Mon, Jul 6 - Tue, Jul 14
Multiple Airlines Logo
11:45 am - 12:20 pm
IAH
-
LTN
18h 35m
2 stops
Multiple Airlines Logo
5:45 pm - 1:35 pm
LTN
-
IAH
25h 50m
2 stops
$999Multiple Airlines
Mon, Sep 7 - Tue, Sep 15
Multiple Airlines Logo
10:00 am - 8:45 pm
IAH
-
LTN
28h 45m
3 stops
Multiple Airlines Logo
1:45 pm - 12:05 pm
LTN
-
IAH
28h 20m
2 stops
$1,008Multiple Airlines
Wed, Aug 19 - Mon, Aug 24
Multiple Airlines Logo
10:00 am - 9:05 pm
IAH
-
LTN
29h 05m
3 stops
Multiple Airlines Logo
8:55 am - 1:35 pm
LTN
-
IAH
34h 40m
2 stops
$1,009Multiple Airlines
Mon, Sep 14 - Mon, Sep 21

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport to London Luton Airport 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, momondo users made 832,500 searches. Data last updated May 28, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to London Luton Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonLondon

IAH - LTN

IAHLTN

Houston George Bush Intcntl

Tue 7/7

6:45 am-1:45 pm

2 stops25h 00m

London Luton

Wed 7/15

8:00 am-10:01 pm

2 stops20h 01m

$943

HoustonLondon

IAH - LTN

IAHLTN

Houston George Bush Intcntl

Mon 8/17

10:00 am-10:55 pm

2 stops30h 55m

London Luton

Tue 8/25

4:50 pm-1:35 pm

2 stops26h 45m

$948

HoustonLondon

IAH - LTN

IAHLTN

Houston George Bush Intcntl

Wed 7/29

10:00 am-1:45 pm

2 stops21h 45m

London Luton

Wed 8/12

8:00 am-10:01 pm

2 stops20h 01m

$950

HoustonLondon

IAH - LTN

IAHLTN

Houston George Bush Intcntl

Tue 7/7

6:45 am-1:45 pm

2 stops25h 00m

London Luton

Tue 7/14

8:00 am-10:01 pm

2 stops20h 01m

$964

HoustonLondon

IAH - LTN

IAHLTN

Houston George Bush Intcntl

Tue 7/7

6:45 am-1:45 pm

2 stops25h 00m

London Luton

Tue 7/14

8:00 am-10:01 pm

2 stops20h 01m

$968

HoustonLondon

IAH - LTN

IAHLTN

Houston George Bush Intcntl

Wed 8/19

10:00 am-8:45 pm

3 stops28h 45m

London Luton

Wed 8/26

6:10 pm-4:10 pm

2 stops28h 00m

$987
Quickest round-trip

HoustonLondon

IAH - LTN

IAHLTN

Houston George Bush Intcntl

Mon 7/6

3:35 pm-7:05 pm

2 stops21h 30m

London Luton

Tue 7/14

8:00 am-10:01 pm

2 stops20h 01m

$993

HoustonLondon

IAH - LTN

IAHLTN

Houston George Bush Intcntl

Mon 9/7

11:45 am-12:20 pm

2 stops18h 35m

London Luton

Tue 9/15

5:45 pm-1:35 pm

2 stops25h 50m

$999

HoustonLondon

IAH - LTN

IAHLTN

Houston George Bush Intcntl

Wed 8/19

10:00 am-8:45 pm

3 stops28h 45m

London Luton

Mon 8/24

1:45 pm-12:05 pm

2 stops28h 20m

$1,008

HoustonLondon

IAH - LTN

IAHLTN

Houston George Bush Intcntl

Mon 9/14

10:00 am-9:05 pm

3 stops29h 05m

London Luton

Mon 9/21

8:55 am-1:35 pm

2 stops34h 40m

$1,009

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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When to book flights from Houston George Bush Intcntl Airport to London Luton Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to London Luton Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to London Luton Airport (IAH to LTN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to London Luton Airport

Fastest flight time

17h 25m

Direct flights

None
The fastest flight from Houston George Bush Intcntl Airport to London Luton Airport takes 17h 25m
There are no direct flights from Houston George Bush Intcntl Airport to London Luton Airport. There are no popular flight routes from Houston George Bush Intcntl Airport to London Luton Airport.
Search flight deals

Frequently asked questions about flying from Houston George Bush Intcntl Airport to London Luton Airport

  • How far is Houston George Bush Intcntl to London Luton by plane?

    The straight-line distance from Houston George Bush Intcntl to London Luton is 4813.0 mi. Flights usually cover this in 17h 25m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to London Luton Airport?

    Prices for flights from Houston George Bush Intcntl Airport to London Luton Airport refresh daily.

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to London Luton Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston George Bush Intcntl Airport to London Luton Airport.

  • What documentation or ID do you need to fly to London Luton Airport?

    The travel and health documents you'll need for your trip to London Luton Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Luton Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Houston George Bush Intcntl Airport to London Luton Airport

  • How do I get Price Alerts for flights from Houston George Bush Intcntl Airport to London Luton Airport?

    Price Alerts will notify you by email when the price for flights to London Luton Airport from Houston George Bush Intcntl Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Houston George Bush Intcntl Airport to London Luton Airport with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Dover
Hayes
Crawley
Croydon
Wembley
Slough
Stansted
Harrow
Dartford
Brentwood
Watford
Ilford
Cobham
Folkestone
Uxbridge
Guildford

Why use momondo?

Why should I use momondo to find a flight deal from Houston to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Houston to London for you.

Can I find flights from Houston to London with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to London from Houston with this policy.

How can momondo help me find flights from Houston to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Houston to London.

I’m not ready to book a flight from Houston to London right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Houston to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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