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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.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Houston to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
3:25 pm - 4:50 pm
IAH
-
SOU
19h 25m
1 stop
KLM Logo
5:20 pm - 1:20 pm
SOU
-
IAH
26h 00m
1 stop
$1,029KLM
Tue, Oct 6 - Tue, Oct 20
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
$1,030Delta
Tue, Oct 6 - Tue, Oct 20
Delta Logo
11:20 am - 8:45 am
IAH
-
SOU
15h 25m
2 stops
Delta Logo
5:20 pm - 1:15 pm
SOU
-
IAH
25h 55m
1 stop
$1,034Delta
Tue, Oct 6 - Tue, Oct 20
Delta Logo
6:45 pm - 4:50 pm
IAH
-
SOU
16h 05m
2 stops
Delta Logo
5:20 pm - 1:15 pm
SOU
-
IAH
25h 55m
1 stop
$1,035Delta
Mon, Oct 5 - Mon, Oct 12
Delta Logo
3:20 pm - 4:50 pm
IAH
-
SOU
19h 30m
1 stop
Delta Logo
9:05 am - 10:15 pm
SOU
-
IAH
19h 10m
2 stops
$1,040Delta
Mon, Oct 5 - Thu, Oct 15
KLM Logo
9:42 am - 8:45 am
IAH
-
SOU
17h 03m
2 stops
KLM Logo
9:05 am - 11:57 pm
SOU
-
IAH
20h 52m
2 stops
$1,043KLM
Tue, Oct 6 - Tue, Oct 20
Delta Logo
2:59 pm - 4:50 pm
HOU
-
SOU
19h 51m
2 stops
Delta Logo
9:05 am - 11:09 pm
SOU
-
HOU
20h 04m
2 stops
$1,043Delta
Tue, Oct 6 - Tue, Oct 20
KLM Logo
9:42 am - 8:45 am
IAH
-
SOU
17h 03m
2 stops
KLM Logo
9:05 am - 11:57 pm
SOU
-
IAH
20h 52m
2 stops
$1,044KLM
Tue, Oct 6 - Tue, Oct 20
Delta Logo
2:59 pm - 4:50 pm
HOU
-
SOU
19h 51m
2 stops
Delta Logo
9:05 am - 11:09 pm
SOU
-
HOU
20h 04m
2 stops
$1,044Delta
Tue, Oct 6 - Tue, Oct 20
Delta Logo
3:20 pm - 4:50 pm
IAH
-
SOU
19h 30m
1 stop
Delta Logo
5:20 pm - 1:15 pm
SOU
-
IAH
25h 55m
1 stop
$1,080Delta
Thu, Oct 8 - Mon, Oct 12

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KLM flights from Houston to Southampton

Our best KLM deals on Houston to Southampton flight tickets
KLM
Oct 6
IAH3:25 pmHouston George Bush Intcntl
19h 25m
1 stop
SOU4:50 pmSouthampton Eastleigh
Oct 20
SOU5:20 pmSouthampton Eastleigh
26h 00m
1 stop
IAH1:20 pmHouston George Bush Intcntl
$1,029
KLM
Oct 6
IAH9:42 amHouston George Bush Intcntl
17h 03m
2 stops
SOU8:45 amSouthampton Eastleigh
Oct 20
SOU9:05 amSouthampton Eastleigh
20h 52m
2 stops
IAH11:57 pmHouston George Bush Intcntl
$1,043
KLM
Oct 6
IAH9:42 amHouston George Bush Intcntl
17h 03m
2 stops
SOU8:45 amSouthampton Eastleigh
Oct 20
SOU9:05 amSouthampton Eastleigh
20h 52m
2 stops
IAH11:57 pmHouston George Bush Intcntl
$1,044

Delta flights from Houston to Southampton

Our best Delta deals on Houston to Southampton flight tickets
Delta
Oct 6
IAH3:20 pmHouston George Bush Intcntl
11h 25m
1 stop
SOU8:45 amSouthampton Eastleigh
Oct 20
SOU5:20 pmSouthampton Eastleigh
25h 55m
1 stop
IAH1:15 pmHouston George Bush Intcntl
$1,030
Delta
Oct 6
IAH11:20 amHouston George Bush Intcntl
15h 25m
2 stops
SOU8:45 amSouthampton Eastleigh
Oct 20
SOU5:20 pmSouthampton Eastleigh
25h 55m
1 stop
IAH1:15 pmHouston George Bush Intcntl
$1,034
Delta
Oct 5
IAH6:45 pmHouston George Bush Intcntl
16h 05m
2 stops
SOU4:50 pmSouthampton Eastleigh
Oct 12
SOU5:20 pmSouthampton Eastleigh
25h 55m
1 stop
IAH1:15 pmHouston George Bush Intcntl
$1,035

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 July 9, 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

Tue 10/6

3:25 pm-4:50 pm

1 stop19h 25m

Southampton Eastleigh

Tue 10/20

5:20 pm-1:20 pm

1 stop26h 00m

$1,029
Quickest round-trip

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Tue 10/6

3:20 pm-8:45 am

1 stop11h 25m

Southampton Eastleigh

Tue 10/20

5:20 pm-1:15 pm

1 stop25h 55m

$1,030

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Tue 10/6

11:20 am-8:45 am

2 stops15h 25m

Southampton Eastleigh

Tue 10/20

5:20 pm-1:15 pm

1 stop25h 55m

$1,034

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Mon 10/5

6:45 pm-4:50 pm

2 stops16h 05m

Southampton Eastleigh

Mon 10/12

5:20 pm-1:15 pm

1 stop25h 55m

$1,035

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Mon 10/5

3:20 pm-4:50 pm

1 stop19h 30m

Southampton Eastleigh

Thu 10/15

9:05 am-10:15 pm

2 stops19h 10m

$1,040

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Tue 10/6

9:42 am-8:45 am

2 stops17h 03m

Southampton Eastleigh

Tue 10/20

9:05 am-11:57 pm

2 stops20h 52m

$1,043

HoustonSouthampton

HOU - SOU

HOUSOU

Houston Hobby

Tue 10/6

2:59 pm-4:50 pm

2 stops19h 51m

Southampton Eastleigh

Tue 10/20

9:05 am-11:09 pm

2 stops20h 04m

$1,043

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Tue 10/6

9:42 am-8:45 am

2 stops17h 03m

Southampton Eastleigh

Tue 10/20

9:05 am-11:57 pm

2 stops20h 52m

$1,044

HoustonSouthampton

HOU - SOU

HOUSOU

Houston Hobby

Tue 10/6

2:59 pm-4:50 pm

2 stops19h 51m

Southampton Eastleigh

Tue 10/20

9:05 am-11:09 pm

2 stops20h 04m

$1,044

HoustonSouthampton

IAH - SOU

IAHSOU

Houston George Bush Intcntl

Thu 10/8

3:20 pm-4:50 pm

1 stop19h 30m

Southampton Eastleigh

Mon 10/12

5:20 pm-1:15 pm

1 stop25h 55m

$1,080

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 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?

Delta 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 46% of people opting to fly with this airline when traveling to Southampton. Keep in mind that there are 14 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 25m

Direct flights

None
The fastest flight from Houston to Southampton takes 11h 25m
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 25m.

  • 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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