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Cheap flights from Houston George Bush Intcntl Airport to London from £365

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 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Houston George Bush Intcntl Airport to London

Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
15:20 - 08:45
IAH
-
SOU
11h 25m
1 stop
Delta Logo
17:20 - 13:15
SOU
-
IAH
25h 55m
1 stop
£619Delta
Mon, 24 Aug - Mon, 31 Aug
Delta Logo
12:38 - 16:50
IAH
-
SOU
22h 12m
2 stops
Delta Logo
17:20 - 13:15
SOU
-
IAH
25h 55m
1 stop
£623Delta
Wed, 15 Apr - Wed, 22 Apr
Delta Logo
15:20 - 08:45
IAH
-
SOU
11h 25m
1 stop
Delta Logo
09:05 - 21:03
SOU
-
IAH
17h 58m
2 stops
£627Delta
Tue, 25 Aug - Fri, 4 Sep
Delta Logo
12:38 - 16:50
IAH
-
SOU
22h 12m
2 stops
Delta Logo
09:05 - 23:41
SOU
-
IAH
20h 36m
2 stops
£630Delta
Wed, 15 Apr - Wed, 22 Apr
KLM Logo
15:20 - 16:50
IAH
-
SOU
19h 30m
1 stop
KLM Logo
09:15 - 13:15
SOU
-
IAH
34h 00m
1 stop
£656KLM
Sun, 29 Mar - Sun, 5 Apr
Delta Logo
15:20 - 08:45
IAH
-
SOU
11h 25m
1 stop
Delta Logo
17:20 - 13:15
SOU
-
IAH
25h 55m
1 stop
£656Delta
Mon, 24 Aug - Fri, 4 Sep
Delta Logo
07:15 - 08:45
IAH
-
SOU
19h 30m
2 stops
Delta Logo
17:30 - 13:15
SOU
-
IAH
25h 45m
1 stop
£660Delta
Mon, 24 Aug - Sun, 30 Aug
Delta Logo
15:20 - 08:45
IAH
-
SOU
11h 25m
1 stop
Delta Logo
17:30 - 16:28
SOU
-
IAH
28h 58m
2 stops
£664Delta
Tue, 25 Aug - Sun, 30 Aug
Delta Logo
08:15 - 08:45
IAH
-
SOU
18h 30m
2 stops
Delta Logo
17:20 - 13:15
SOU
-
IAH
25h 55m
1 stop
£676Delta
Mon, 24 Aug - Wed, 2 Sep
Delta Logo
15:20 - 17:35
IAH
-
SOU
20h 15m
1 stop
Delta Logo
17:20 - 13:15
SOU
-
IAH
25h 55m
1 stop
£709Delta
Thu, 27 Aug - Thu, 3 Sep

KLM flights from Houston George Bush Intcntl Airport to Southampton

Our best KLM deals on Houston George Bush Intcntl Airport to Southampton flight tickets
KLM
29 Mar
IAH15:20Houston George Bush Intcntl
19h 30m
1 stop
SOU16:50Southampton Eastleigh
5 Apr
SOU09:15Southampton Eastleigh
34h 00m
1 stop
IAH13:15Houston George Bush Intcntl
£656
KLM
29 Mar
IAH15:20Houston George Bush Intcntl
19h 30m
1 stop
SOU16:50Southampton Eastleigh
5 Apr
SOU09:15Southampton Eastleigh
20h 44m
2 stops
IAH23:59Houston George Bush Intcntl
£716

Delta flights from Houston George Bush Intcntl Airport to Southampton

Our best Delta deals on Houston George Bush Intcntl Airport to Southampton flight tickets
Delta
24 Aug
IAH15:20Houston George Bush Intcntl
11h 25m
1 stop
SOU08:45Southampton Eastleigh
31 Aug
SOU17:20Southampton Eastleigh
25h 55m
1 stop
IAH13:15Houston George Bush Intcntl
£619
Delta
15 Apr
IAH12:38Houston George Bush Intcntl
22h 12m
2 stops
SOU16:50Southampton Eastleigh
22 Apr
SOU17:20Southampton Eastleigh
25h 55m
1 stop
IAH13:15Houston George Bush Intcntl
£623
Delta
25 Aug
IAH15:20Houston George Bush Intcntl
11h 25m
1 stop
SOU08:45Southampton Eastleigh
4 Sept
SOU09:05Southampton Eastleigh
17h 58m
2 stops
IAH21:03Houston George Bush Intcntl
£627

momondo Fare Finder

 
Customise your flight search to find flights from Houston George Bush Intcntl Airport to Southampton 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 279,928 searches. Data last updated 3 March 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Mon 24/8

15:20-08:45

1 stop11h 25m

Southampton Eastleigh

Mon 31/8

17:20-13:15

1 stop25h 55m

£619

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Wed 15/4

12:38-16:50

2 stops22h 12m

Southampton Eastleigh

Wed 22/4

17:20-13:15

1 stop25h 55m

£623

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Tue 25/8

15:20-08:45

1 stop11h 25m

Southampton Eastleigh

Fri 4/9

09:05-21:03

2 stops17h 58m

£627

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Wed 15/4

12:38-16:50

2 stops22h 12m

Southampton Eastleigh

Wed 22/4

09:05-23:41

2 stops20h 36m

£630

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Sun 29/3

15:20-16:50

1 stop19h 30m

Southampton Eastleigh

Sun 5/4

09:15-13:15

1 stop34h 00m

£656

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Mon 24/8

15:20-08:45

1 stop11h 25m

Southampton Eastleigh

Fri 4/9

17:20-13:15

1 stop25h 55m

£656

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Mon 24/8

07:15-08:45

2 stops19h 30m

Southampton Eastleigh

Sun 30/8

17:30-13:15

1 stop25h 45m

£660

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Tue 25/8

15:20-08:45

1 stop11h 25m

Southampton Eastleigh

Sun 30/8

17:30-16:28

2 stops28h 58m

£664

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Mon 24/8

08:15-08:45

2 stops18h 30m

Southampton Eastleigh

Wed 2/9

17:20-13:15

1 stop25h 55m

£676

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Thu 27/8

15:20-17:35

1 stop20h 15m

Southampton Eastleigh

Thu 3/9

17:20-13:15

1 stop25h 55m

£709

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Southampton

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Houston George Bush Intcntl to Southampton Eastleigh?

Delta and Aer Lingus are the most popular carriers operating from Houston George Bush Intcntl to Southampton Eastleigh

Which airlines fly to Southampton?

British Airways, United Airlines and Lufthansa are the top three most popular airlines that fly to Southampton from Houston George Bush Intcntl Airport according to our data. British Airways is the first choice among our users, with 51% of people opting to fly with this airline when travelling to Southampton. Keep in mind that there are 5 different airlines that fly to Southampton on a routine basis, so you have a few additional options to choose from.

When to book flights from Houston George Bush Intcntl Airport to Southampton

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

Cheap Houston George Bush Intcntl Airport to Southampton (IAH to SOU) flight deals and tips

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

Fastest flight time

17h 25m

Direct flights

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

  • How far is Houston George Bush Intcntl to Southampton Eastleigh by plane?

    Houston George Bush Intcntl and Southampton Eastleigh are 4797.8 mi apart from one another. In terms of flight time, this usually takes a little over 17h 25m.

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

    Prices for flights from Houston George Bush Intcntl Airport to Southampton Eastleigh Airport are updated daily.

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to Southampton Eastleigh 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 Southampton Eastleigh Airport.

  • What documentation or ID do you need to fly to Southampton Eastleigh Airport?

    The travel and health documents required for your trip to Southampton Eastleigh Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Southampton Eastleigh Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Portsmouth

Why use momondo?

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

It is quick and easy to find Houston to Southampton flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Southampton that suits you.

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

All flight searches from Houston to Southampton on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Southampton from Houston.

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

If you are simply researching potential flights to Southampton, momondo offers a useful price alert feature which will track prices for flights to Southampton from Houston and alert you when they change.

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