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Cheap flights from Houston 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 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.
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0 bags

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Find the cheapest flights from Houston to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
3:25 pm - 8:45 am
IAH
-
SOU
11h 20m
1 stop
Delta Logo
6:05 pm - 1:20 pm
SOU
-
IAH
25h 15m
1 stop
$1,090Delta
Sun, Aug 9 - Tue, Aug 25
Delta Logo
11:28 am - 8:45 am
IAH
-
SOU
15h 17m
2 stops
Delta Logo
6:05 pm - 1:20 pm
SOU
-
IAH
25h 15m
1 stop
$1,095Delta
Sun, Aug 9 - Tue, Aug 25
Delta Logo
3:25 pm - 8:45 am
IAH
-
SOU
11h 20m
1 stop
Delta Logo
9:15 am - 9:20 pm
SOU
-
IAH
18h 05m
2 stops
$1,100Delta
Sun, Aug 9 - Fri, Aug 21
Delta Logo
11:28 am - 8:45 am
IAH
-
SOU
15h 17m
2 stops
Delta Logo
9:15 am - 9:20 pm
SOU
-
IAH
18h 05m
2 stops
$1,104Delta
Sun, Aug 9 - Fri, Aug 21
Delta Logo
5:00 pm - 8:45 am
IAH
-
SOU
33h 45m
2 stops
Delta Logo
6:05 pm - 1:20 pm
SOU
-
IAH
25h 15m
1 stop
$1,107Delta
Sat, Aug 15 - Wed, Aug 26
Delta Logo
3:25 pm - 5:35 pm
IAH
-
SOU
20h 10m
1 stop
Delta Logo
6:05 pm - 1:20 pm
SOU
-
IAH
25h 15m
1 stop
$1,140Delta
Thu, Aug 13 - Wed, Aug 26
KLM Logo
12:12 pm - 8:45 am
IAH
-
SOU
14h 33m
2 stops
KLM Logo
5:30 pm - 1:20 pm
SOU
-
IAH
25h 50m
1 stop
$1,195KLM
Fri, Aug 7 - Sat, Aug 22
Virgin Atlantic Logo
10:09 am - 8:45 am
HOU
-
SOU
16h 36m
2 stops
Virgin Atlantic Logo
5:30 pm - 4:23 pm
SOU
-
HOU
28h 53m
2 stops
$3,500Virgin Atlantic
Sun, Jul 5 - Sun, Jul 12
KLM Logo
10:27 am - 8:35 am
HOU
-
SOU
16h 08m
2 stops
KLM Logo
9:05 am - 9:43 pm
SOU
-
HOU
18h 38m
2 stops
$3,657KLM
Thu, Jun 4 - Thu, Jun 25
KLM Logo
10:27 am - 8:35 am
HOU
-
SOU
16h 08m
2 stops
KLM Logo
9:05 am - 9:43 pm
SOU
-
HOU
18h 38m
2 stops
$5,422KLM
Thu, Jun 4 - Fri, Jun 26

Delta flights from Houston to Southampton

Our best Delta deals on Houston to Southampton flight tickets
Delta
Aug 9
IAH3:25 pmHouston George Bush Intcntl
11h 20m
1 stop
SOU8:45 amSouthampton Eastleigh
Aug 25
SOU6:05 pmSouthampton Eastleigh
25h 15m
1 stop
IAH1:20 pmHouston George Bush Intcntl
$1,090
Delta
Aug 9
IAH11:28 amHouston George Bush Intcntl
15h 17m
2 stops
SOU8:45 amSouthampton Eastleigh
Aug 25
SOU6:05 pmSouthampton Eastleigh
25h 15m
1 stop
IAH1:20 pmHouston George Bush Intcntl
$1,095
Delta
Aug 9
IAH3:25 pmHouston George Bush Intcntl
11h 20m
1 stop
SOU8:45 amSouthampton Eastleigh
Aug 21
SOU9:15 amSouthampton Eastleigh
18h 05m
2 stops
IAH9:20 pmHouston George Bush Intcntl
$1,100

KLM flights from Houston to Southampton

Our best KLM deals on Houston to Southampton flight tickets
KLM
Aug 7
IAH12:12 pmHouston George Bush Intcntl
14h 33m
2 stops
SOU8:45 amSouthampton Eastleigh
Aug 22
SOU5:30 pmSouthampton Eastleigh
25h 50m
1 stop
IAH1:20 pmHouston George Bush Intcntl
$1,195
KLM
Jun 2
IAH10:45 amHouston George Bush Intcntl
15h 50m
2 stops
SOU8:35 amSouthampton Eastleigh
Jun 27
SOU5:20 pmSouthampton Eastleigh
26h 00m
1 stop
IAH1:20 pmHouston George Bush Intcntl
$1,517
KLM
Jun 2
IAH5:54 pmHouston George Bush Intcntl
16h 56m
2 stops
SOU4:50 pmSouthampton Eastleigh
Jun 27
SOU9:15 amSouthampton Eastleigh
20h 41m
2 stops
IAH11:56 pmHouston George Bush Intcntl
$1,526

momondo Fare Finder

 
Customize your flight search to find flights from Houston 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 25, 2026.
Use the filters below to find and compare flights from Houston 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 8/9

3:25 pm-8:45 am

1 stop11h 20m

Southampton Eastleigh

Tue 8/25

6:05 pm-1:20 pm

1 stop25h 15m

$1,090

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Sun 8/9

11:28 am-8:45 am

2 stops15h 17m

Southampton Eastleigh

Tue 8/25

6:05 pm-1:20 pm

1 stop25h 15m

$1,095
Quickest round-trip

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Sun 8/9

3:25 pm-8:45 am

1 stop11h 20m

Southampton Eastleigh

Fri 8/21

9:15 am-9:20 pm

2 stops18h 05m

$1,100

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Sun 8/9

11:28 am-8:45 am

2 stops15h 17m

Southampton Eastleigh

Fri 8/21

9:15 am-9:20 pm

2 stops18h 05m

$1,104

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Sat 8/15

5:00 pm-8:45 am

2 stops33h 45m

Southampton Eastleigh

Wed 8/26

6:05 pm-1:20 pm

1 stop25h 15m

$1,107

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Thu 8/13

3:25 pm-5:35 pm

1 stop20h 10m

Southampton Eastleigh

Wed 8/26

6:05 pm-1:20 pm

1 stop25h 15m

$1,140

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Fri 8/7

12:12 pm-8:45 am

2 stops14h 33m

Southampton Eastleigh

Sat 8/22

5:30 pm-1:20 pm

1 stop25h 50m

$1,195

HoustonSouthampton

HOU - SOU

HOUSOU

Houston Hobby

Sun 7/5

10:09 am-8:45 am

2 stops16h 36m

Southampton Eastleigh

Sun 7/12

5:30 pm-4:23 pm

2 stops28h 53m

$3,500

HoustonSouthampton

HOU - SOU

HOUSOU

Houston Hobby

Thu 6/4

10:27 am-8:35 am

2 stops16h 08m

Southampton Eastleigh

Thu 6/25

9:05 am-9:43 pm

2 stops18h 38m

$3,657

HoustonSouthampton

HOU - SOU

HOUSOU

Houston Hobby

Thu 6/4

10:27 am-8:35 am

2 stops16h 08m

Southampton Eastleigh

Fri 6/26

9:05 am-9:43 pm

2 stops18h 38m

$5,422

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Houston 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 to Southampton Eastleigh?

KLM is the most popular carrier operating from Houston to Southampton Eastleigh

What airlines fly to Southampton?

United Airlines, British Airways and American Airlines are the top three most popular airlines that fly to Southampton from Houston according to our data. United Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Southampton. Keep in mind that there are 12 different airlines that fly to Southampton on a routine basis, so you have a few additional options to choose from.

Cheap Houston to Southampton flight deals and tips

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

Fastest flight time

11h 20m

Direct flights

None
The fastest flight from Houston to Southampton takes 11h 20m
There are no direct flights from Houston to Southampton. There are no popular flight routes from Houston to Southampton.
Search flight deals

Frequently asked questions about flying from Houston to Southampton

  • How far is Houston to Southampton Eastleigh by plane?

    The distance between Houston and Southampton Eastleigh is about 4810.6 mi. A reasonable flight in good conditions will take 11h 20m.

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

    Prices for flights from Houston to Southampton Eastleigh Airport were last updated today.

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

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

    The travel and health documents you'll need for your trip to Southampton Eastleigh 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 Southampton Eastleigh Airport. It is always advisable to seek advice from your airline or a trusted 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?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Southampton from Houston.

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

momondo does allow users to show only those flights to Southampton from Houston which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Houston to Southampton flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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