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Cheap flights from Southampton to Houston from £341

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — HOU
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Southampton to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 September 2025.

Round-trip from

£717

One-way from

£341

Popular in

July

Cheapest in

March

Average price

£640
KLM
  • KLM
  • 2/10-23/10
  • 2 total stops
  • 45h 10m total
  • Southampton to Houston
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2/10
  • 2/10
  • 2 total stops
  • 32h 43m total
  • Southampton to Houston
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£92 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from Southampton to Houston

Cheapest flights from Southampton to Houston
Explore the most affordable flight options available from Southampton to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Wed 1/1009:20SOU - IAH
1 stop33h 55mKLM
Thu 23/1015:30IAH - SOU
1 stop19h 30mKLM
Deal found 14/9£717
Wed 1/1017:35SOU - IAH
1 stop25h 40mDelta
Thu 23/1012:55IAH - SOU
2 stops22h 05mDelta
Deal found 14/9£717
Thu 2/1017:35SOU - IAH
1 stop25h 40mKLM
Thu 23/1009:42IAH - SOU
2 stops17h 03mKLM
Deal found 14/9£720
Tue 28/1017:30SOU - HOU
2 stops29h 18mVirgin Atlantic
Tue 4/1118:44HOU - SOU
2 stops31h 36mVirgin Atlantic
Deal found 13/9£720
Wed 1/1009:20SOU - HOU
2 stops19h 17mDelta
Thu 23/1006:00HOU - SOU
2 stops20h 45mDelta
Deal found 14/9£721
Thu 2/1009:20SOU - HOU
2 stops19h 17mKLM
Thu 23/1010:13HOU - SOU
2 stops16h 32mKLM
Deal found 14/9£727
Mon 29/917:35SOU - IAH
1 stop25h 40mDelta
Wed 22/1015:30IAH - SOU
1 stop19h 30mDelta
Deal found 14/9£746
Mon 29/917:35SOU - IAH
1 stop25h 40mDelta
Thu 23/1013:29IAH - SOU
2 stops21h 31mDelta
Deal found 14/9£747
Wed 1/1017:35SOU - IAH
1 stop25h 40mKLM
Sat 25/1015:30IAH - SOU
1 stop12h 20mKLM
Deal found 14/9£749
Thu 2/1017:35SOU - IAH
1 stop25h 40mDelta
Fri 24/1010:50IAH - SOU
2 stops15h 55mDelta
Deal found 14/9£750
Tue 30/909:20SOU - IAH
2 stops16h 46mDelta
Wed 22/1011:49IAH - SOU
2 stops14h 56mDelta
Deal found 14/9£751
Wed 1/1009:20SOU - IAH
1 stop33h 55mKLM
Fri 24/1010:50IAH - SOU
2 stops15h 55mKLM
Deal found 14/9£752

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Houston 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, Cheapflights users made 858,174 searches. Data last updated 15 September 2025.
Use the filters below to find and compare flights from Southampton to Houston that are best for you.

Fly from

Southampton

Fly to

Houston

Route

Depart

Return

Price

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Wed 1/10

09:20-13:15

1 stop33h 55m

Houston George Bush Intcntl

Thu 23/10

15:30-17:00

1 stop19h 30m

£717

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Wed 1/10

17:35-13:15

1 stop25h 40m

Houston George Bush Intcntl

Thu 23/10

12:55-17:00

2 stops22h 05m

£717

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Thu 2/10

17:35-13:15

1 stop25h 40m

Houston George Bush Intcntl

Thu 23/10

09:42-08:45

2 stops17h 03m

£720

SouthamptonHouston

SOU - HOU

SOUHOU

Southampton Eastleigh

Tue 28/10

17:30-17:48

2 stops29h 18m

Houston Hobby

Tue 4/11

18:44-08:20

2 stops31h 36m

£720

SouthamptonHouston

SOU - HOU

SOUHOU

Southampton Eastleigh

Wed 1/10

09:20-22:37

2 stops19h 17m

Houston Hobby

Thu 23/10

06:00-08:45

2 stops20h 45m

£721

SouthamptonHouston

SOU - HOU

SOUHOU

Southampton Eastleigh

Thu 2/10

09:20-22:37

2 stops19h 17m

Houston Hobby

Thu 23/10

10:13-08:45

2 stops16h 32m

£727

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Thu 2/10

17:35-13:15

1 stop25h 40m

Houston George Bush Intcntl

Wed 22/10

15:30-17:00

1 stop19h 30m

£746

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Mon 29/9

17:35-13:15

1 stop25h 40m

Houston George Bush Intcntl

Wed 22/10

15:30-17:00

1 stop19h 30m

£746

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Mon 29/9

17:35-13:15

1 stop25h 40m

Houston George Bush Intcntl

Thu 23/10

15:30-17:00

1 stop19h 30m

£746

SouthamptonHouston

SOU - IAH

SOUIAH

Southampton Eastleigh

Mon 29/9

17:35-13:15

1 stop25h 40m

Houston George Bush Intcntl

Tue 21/10

15:30-17:00

1 stop19h 30m

£746

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 38 results
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Best time to book a flight from Southampton to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Southampton with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Southampton to Houston

What is the cheapest month to book a flight from Southampton to Houston?

Currently, January is the cheapest month in which you can book a flight from Southampton to Houston (average of £765). Flying from Southampton to Houston in July is currently the most expensive (average of £1,114). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Southampton to Houston?

    Southampton Eastleigh (SOU) is the airport you will fly out of if you book a flight from Southampton to Houston. You should not have trouble finding flights to Houston from Eastleigh; the airport handles an average of 0 outbound flights to Houston per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Southampton airport to Houston. It is only a 3.5 mi journey to Eastleigh (SOU) from Southampton’s city center.

  • How long is the flight from Southampton to Houston?

    A quick flight from Southampton to Houston can take about 25h 40m. KLM provides one of the quickest options available for as low as £717. There are 4799 mi between Southampton and Houston. This flight may include one or multiple stops.

  • Can I find deals for flights from Southampton to Houston that include hotel bookings?

    Yes. In addition to deals on Southampton to Houston flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southampton to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Houston.

  • Can I find deals for business class flights from Southampton to Houston?

    Yes. Cheapflights offers flight deals from Southampton to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Southampton to Houston?

    Currently, January is the cheapest month in which you can book a flight from Southampton to Houston (average of £765). Flying from Southampton to Houston in July is currently the most expensive (average of £1,114). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Southampton to Houston

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Southampton to Houston?

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Why should you use Cheapflights to find cheap flight tickets from Southampton to Houston?

Cheapflights simply makes it quick and affordable to book flights from Southampton to Houston by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Southampton to Houston with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Southampton to Houston flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Southampton to Houston become cheaper?

Not ready to book yet? You can track prices for flights from Southampton to Houston on Cheapflights with our Price Alert feature and get notified when better prices are available.

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