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Cheap flights from Houston George Bush Intcntl Airport to London from $421

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 10/14. 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

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.
KLM Logo
3:20 pm - 4:50 pm
IAH
-
SOU
19h 30m
1 stop
KLM Logo
8:40 am - 1:30 pm
SOU
-
IAH
34h 50m
1 stop
$1,032KLM
Sun, Sep 20 - Wed, Nov 11
KLM Logo
10:45 am - 8:35 am
IAH
-
SOU
15h 50m
2 stops
KLM Logo
8:40 am - 1:30 pm
SOU
-
IAH
34h 50m
1 stop
$1,037KLM
Sun, Sep 20 - Wed, Nov 11
KLM Logo
10:45 am - 8:35 am
IAH
-
SOU
15h 50m
2 stops
KLM Logo
8:40 am - 9:10 pm
SOU
-
IAH
18h 30m
2 stops
$1,046KLM
Sun, Sep 20 - Wed, Nov 11
Delta Logo
7:15 am - 8:35 am
IAH
-
SOU
19h 20m
2 stops
Delta Logo
9:20 am - 1:15 pm
SOU
-
IAH
33h 55m
1 stop
$1,087Delta
Sun, Oct 11 - Sat, Oct 17
Delta Logo
5:50 pm - 8:35 am
IAH
-
SOU
32h 45m
2 stops
Delta Logo
9:20 am - 1:15 pm
SOU
-
IAH
33h 55m
1 stop
$1,099Delta
Sat, Oct 10 - Sat, Oct 17
Delta Logo
8:15 am - 8:35 am
IAH
-
SOU
18h 20m
2 stops
Delta Logo
5:20 pm - 12:19 pm
SOU
-
IAH
48h 59m
2 stops
$1,103Delta
Sun, Oct 11 - Sun, Oct 18
Delta Logo
5:50 pm - 8:35 am
IAH
-
SOU
32h 45m
2 stops
Delta Logo
5:20 pm - 12:19 pm
SOU
-
IAH
48h 59m
2 stops
$1,110Delta
Sat, Oct 10 - Sun, Oct 18
Delta Logo
3:25 pm - 8:45 am
IAH
-
SOU
11h 20m
1 stop
Delta Logo
5:30 pm - 1:20 pm
SOU
-
IAH
25h 50m
1 stop
$1,132Delta
Fri, Aug 7 - Sat, Aug 22
Delta Logo
3:25 pm - 8:45 am
IAH
-
SOU
11h 20m
1 stop
Delta Logo
5:30 pm - 1:20 pm
SOU
-
IAH
25h 50m
1 stop
$1,133Delta
Fri, Aug 7 - Sat, Aug 22
Delta Logo
10:53 am - 8:45 am
IAH
-
SOU
15h 52m
2 stops
Delta Logo
5:30 pm - 1:20 pm
SOU
-
IAH
25h 50m
1 stop
$1,137Delta
Fri, Aug 7 - Sat, Aug 22

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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
Sep 20
IAH3:20 pmHouston George Bush Intcntl
19h 30m
1 stop
SOU4:50 pmSouthampton Eastleigh
Nov 11
SOU8:40 amSouthampton Eastleigh
34h 50m
1 stop
IAH1:30 pmHouston George Bush Intcntl
$1,032
KLM
Sep 20
IAH10:45 amHouston George Bush Intcntl
15h 50m
2 stops
SOU8:35 amSouthampton Eastleigh
Nov 11
SOU8:40 amSouthampton Eastleigh
34h 50m
1 stop
IAH1:30 pmHouston George Bush Intcntl
$1,037
KLM
Sep 20
IAH10:45 amHouston George Bush Intcntl
15h 50m
2 stops
SOU8:35 amSouthampton Eastleigh
Nov 11
SOU8:40 amSouthampton Eastleigh
18h 30m
2 stops
IAH9:10 pmHouston George Bush Intcntl
$1,046

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
Oct 11
IAH10:45 amHouston George Bush Intcntl
15h 50m
2 stops
SOU8:35 amSouthampton Eastleigh
Oct 18
SOU5:20 pmSouthampton Eastleigh
25h 55m
1 stop
IAH1:15 pmHouston George Bush Intcntl
$1,087
Delta
Oct 10
IAH5:50 pmHouston George Bush Intcntl
32h 45m
2 stops
SOU8:35 amSouthampton Eastleigh
Oct 17
SOU9:20 amSouthampton Eastleigh
33h 55m
1 stop
IAH1:15 pmHouston George Bush Intcntl
$1,099
Delta
Oct 11
IAH8:15 amHouston George Bush Intcntl
18h 20m
2 stops
SOU8:35 amSouthampton Eastleigh
Oct 18
SOU5:20 pmSouthampton Eastleigh
48h 59m
2 stops
IAH12:19 pmHouston George Bush Intcntl
$1,103

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated May 5, 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

Cheapest round-trip

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Sun 9/20

3:20 pm-4:50 pm

1 stop19h 30m

Southampton Eastleigh

Wed 11/11

8:40 am-1:30 pm

1 stop34h 50m

$1,032

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Sun 9/20

10:45 am-8:35 am

2 stops15h 50m

Southampton Eastleigh

Wed 11/11

8:40 am-1:30 pm

1 stop34h 50m

$1,037
Quickest round-trip

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Sun 9/20

10:45 am-8:35 am

2 stops15h 50m

Southampton Eastleigh

Wed 11/11

8:40 am-9:10 pm

2 stops18h 30m

$1,046

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Sun 10/11

7:15 am-8:35 am

2 stops19h 20m

Southampton Eastleigh

Sat 10/17

9:20 am-1:15 pm

1 stop33h 55m

$1,087

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Sat 10/10

5:50 pm-8:35 am

2 stops32h 45m

Southampton Eastleigh

Sat 10/17

9:20 am-1:15 pm

1 stop33h 55m

$1,099

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Sun 10/11

8:15 am-8:35 am

2 stops18h 20m

Southampton Eastleigh

Sun 10/18

5:20 pm-12:19 pm

2 stops48h 59m

$1,103

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Sat 10/10

5:50 pm-8:35 am

2 stops32h 45m

Southampton Eastleigh

Sun 10/18

5:20 pm-12:19 pm

2 stops48h 59m

$1,110

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Fri 8/7

3:25 pm-8:45 am

1 stop11h 20m

Southampton Eastleigh

Sat 8/22

5:30 pm-1:20 pm

1 stop25h 50m

$1,132

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Fri 8/7

3:25 pm-8:45 am

1 stop11h 20m

Southampton Eastleigh

Sat 8/22

5:30 pm-1:20 pm

1 stop25h 50m

$1,133

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Fri 8/7

10:53 am-8:45 am

2 stops15h 52m

Southampton Eastleigh

Sat 8/22

5:30 pm-1:20 pm

1 stop25h 50m

$1,137

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

Can stopping save me money on Houston George Bush Intcntl Airport to Southampton flights?

You could potentially save up to 7% on your flight if you consider stops on a Houston George Bush Intcntl Airport to Southampton flight.

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 round-trip 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

11h 20m

Direct flights

None
The fastest flight from Houston George Bush Intcntl Airport to Southampton takes 11h 20m
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

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

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

    The distance between Houston George Bush Intcntl and Southampton Eastleigh is about 4797.8 mi. In terms of flight time, this usually takes a little over 11h 20m.

  • 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 refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Southampton Eastleigh Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Southampton Eastleigh Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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Why use momondo?

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

Finding the right flight to Southampton from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Southampton quick and easy, saving you time and money.

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

Flights from Houston to Southampton with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

Yes momondo offers price alerts on flights to Southampton from Houston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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