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Cheap flights from Houston George Bush Intcntl Airport to London from $489

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 5/10. 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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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.
Delta Logo
3:20 pm - 8:45 am
IAH
-
SOU
11h 25m
1 stop
Delta Logo
5:20 pm - 1:15 pm
SOU
-
IAH
25h 55m
1 stop
$830Delta
Mon, Aug 24 - Mon, Aug 31
Delta Logo
12:38 pm - 4:50 pm
IAH
-
SOU
22h 12m
2 stops
Delta Logo
5:20 pm - 1:15 pm
SOU
-
IAH
25h 55m
1 stop
$835Delta
Wed, Apr 15 - Wed, Apr 22
Delta Logo
3:20 pm - 8:45 am
IAH
-
SOU
11h 25m
1 stop
Delta Logo
5:20 pm - 4:28 pm
SOU
-
IAH
29h 08m
2 stops
$840Delta
Tue, Aug 25 - Tue, Sep 1
Delta Logo
12:38 pm - 4:50 pm
IAH
-
SOU
22h 12m
2 stops
Delta Logo
9:05 am - 10:54 pm
SOU
-
IAH
19h 49m
2 stops
$845Delta
Wed, Apr 15 - Wed, Apr 22
KLM Logo
3:20 pm - 4:50 pm
IAH
-
SOU
19h 30m
1 stop
KLM Logo
9:15 am - 1:15 pm
SOU
-
IAH
34h 00m
1 stop
$879KLM
Sun, Mar 29 - Sun, Apr 5
Delta Logo
3:20 pm - 8:45 am
IAH
-
SOU
11h 25m
1 stop
Delta Logo
5:20 pm - 1:15 pm
SOU
-
IAH
25h 55m
1 stop
$880Delta
Mon, Aug 24 - Fri, Sep 4
Delta Logo
7:15 am - 8:45 am
IAH
-
SOU
19h 30m
2 stops
Delta Logo
5:30 pm - 1:15 pm
SOU
-
IAH
25h 45m
1 stop
$885Delta
Mon, Aug 24 - Sun, Aug 30
Delta Logo
3:20 pm - 8:45 am
IAH
-
SOU
11h 25m
1 stop
Delta Logo
5:30 pm - 4:28 pm
SOU
-
IAH
28h 58m
2 stops
$890Delta
Tue, Aug 25 - Sun, Aug 30
Delta Logo
8:15 am - 8:45 am
IAH
-
SOU
18h 30m
2 stops
Delta Logo
5:20 pm - 1:15 pm
SOU
-
IAH
25h 55m
1 stop
$906Delta
Mon, Aug 24 - Wed, Sep 2
Delta Logo
3:20 pm - 5:35 pm
IAH
-
SOU
20h 15m
1 stop
Delta Logo
5:20 pm - 1:15 pm
SOU
-
IAH
25h 55m
1 stop
$951Delta
Thu, Aug 27 - Tue, Sep 1

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
Mar 29
IAH3:20 pmHouston George Bush Intcntl
19h 30m
1 stop
SOU4:50 pmSouthampton Eastleigh
Apr 5
SOU9:15 amSouthampton Eastleigh
34h 00m
1 stop
IAH1:15 pmHouston George Bush Intcntl
$879
KLM
Mar 29
IAH3:20 pmHouston George Bush Intcntl
19h 30m
1 stop
SOU4:50 pmSouthampton Eastleigh
Apr 5
SOU9:15 amSouthampton Eastleigh
20h 44m
2 stops
IAH11:59 pmHouston George Bush Intcntl
$960

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
Aug 24
IAH3:20 pmHouston George Bush Intcntl
11h 25m
1 stop
SOU8:45 amSouthampton Eastleigh
Aug 31
SOU5:20 pmSouthampton Eastleigh
25h 55m
1 stop
IAH1:15 pmHouston George Bush Intcntl
$830
Delta
Apr 15
IAH12:38 pmHouston George Bush Intcntl
22h 12m
2 stops
SOU4:50 pmSouthampton Eastleigh
Apr 22
SOU5:20 pmSouthampton Eastleigh
25h 55m
1 stop
IAH1:15 pmHouston George Bush Intcntl
$835
Delta
Aug 25
IAH3:20 pmHouston George Bush Intcntl
11h 25m
1 stop
SOU8:45 amSouthampton Eastleigh
Sep 1
SOU5:20 pmSouthampton Eastleigh
29h 08m
2 stops
IAH4:28 pmHouston George Bush Intcntl
$840

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 March 3, 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 8/24

3:20 pm-8:45 am

1 stop11h 25m

Southampton Eastleigh

Mon 8/31

5:20 pm-1:15 pm

1 stop25h 55m

$830

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Wed 4/15

12:38 pm-4:50 pm

2 stops22h 12m

Southampton Eastleigh

Wed 4/22

5:20 pm-1:15 pm

1 stop25h 55m

$835

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Tue 8/25

3:20 pm-8:45 am

1 stop11h 25m

Southampton Eastleigh

Tue 9/1

5:20 pm-4:28 pm

2 stops29h 08m

$840

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Wed 4/15

12:38 pm-4:50 pm

2 stops22h 12m

Southampton Eastleigh

Wed 4/22

9:05 am-10:54 pm

2 stops19h 49m

$845

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Sun 3/29

3:20 pm-4:50 pm

1 stop19h 30m

Southampton Eastleigh

Sun 4/5

9:15 am-1:15 pm

1 stop34h 00m

$879

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Mon 8/24

3:20 pm-8:45 am

1 stop11h 25m

Southampton Eastleigh

Fri 9/4

5:20 pm-1:15 pm

1 stop25h 55m

$880

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Mon 8/24

7:15 am-8:45 am

2 stops19h 30m

Southampton Eastleigh

Sun 8/30

5:30 pm-1:15 pm

1 stop25h 45m

$885

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Tue 8/25

3:20 pm-8:45 am

1 stop11h 25m

Southampton Eastleigh

Sun 8/30

5:30 pm-4:28 pm

2 stops28h 58m

$890

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Mon 8/24

8:15 am-8:45 am

2 stops18h 30m

Southampton Eastleigh

Wed 9/2

5:20 pm-1:15 pm

1 stop25h 55m

$906

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Thu 8/27

3:20 pm-5:35 pm

1 stop20h 15m

Southampton Eastleigh

Tue 9/1

5:20 pm-1:15 pm

1 stop25h 55m

$951

Flights are sorted by cheapest round-trip 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

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

17h 40m

Direct flights

None
The fastest flight from Houston George Bush Intcntl Airport to Southampton takes 17h 40m
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?

    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 17h 40m.

  • 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.

Traveling 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?

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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