$524 Cheap Flights from Phoenix (PHX) to Southampton (SOU)

View $524 flight on Mon, Dec 8, 2025Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Southampton (SOU)

Cheap Flights from Phoenix to Southampton (PHX-SOU)

Prices were available within the past 7 days and start at $524 for one-way flights and $805 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Atlantic
Mon, Dec 8 - Mon, Dec 15
PHX
Phoenix
SOU
Southampton
$805 Roundtrip, found 13 hours ago
$805
Roundtrip
found 13 hours ago
Select Virgin Atlantic flight, departing Mon, Dec 8 from Phoenix to Southampton, returning Mon, Dec 15, priced at $805 found 13 hours ago
Delta
Thu, Feb 5 - Thu, Feb 12
PHX
Phoenix
SOU
Southampton
$813 Roundtrip, found 8 hours ago
$813
Roundtrip
found 8 hours ago
Select Delta flight, departing Thu, Feb 5 from Phoenix to Southampton, returning Thu, Feb 12, priced at $813 found 8 hours ago
Virgin Atlantic
Wed, Jan 7 - Fri, Jan 16
PHX
Phoenix
SOU
Southampton
$814 Roundtrip, found 4 days ago
$814
Roundtrip
found 4 days ago
Select Virgin Atlantic flight, departing Wed, Jan 7 from Phoenix to Southampton, returning Fri, Jan 16, priced at $814 found 4 days ago
Delta
Sat, Jan 17 - Mon, Jan 26
PHX
Phoenix
SOU
Southampton
$820 Roundtrip, found 1 day ago
$820
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Jan 17 from Phoenix to Southampton, returning Mon, Jan 26, priced at $820 found 1 day ago
Virgin Atlantic
Fri, Nov 28 - Sun, Dec 7
PHX
Phoenix
SOU
Southampton
$832 Roundtrip, found 3 days ago
$832
Roundtrip
found 3 days ago
Select Virgin Atlantic flight, departing Fri, Nov 28 from Phoenix to Southampton, returning Sun, Dec 7, priced at $832 found 3 days ago
Virgin Atlantic
Mon, Dec 1 - Tue, Dec 16
PHX
Phoenix
SOU
Southampton
$832 Roundtrip, found 4 days ago
$832
Roundtrip
found 4 days ago
Select Virgin Atlantic flight, departing Mon, Dec 1 from Phoenix to Southampton, returning Tue, Dec 16, priced at $832 found 4 days ago
Virgin Atlantic
Thu, Feb 5 - Thu, Feb 12
PHX
Phoenix
SOU
Southampton
$839 Roundtrip, found 8 hours ago
$839
Roundtrip
found 8 hours ago
Select Virgin Atlantic flight, departing Thu, Feb 5 from Phoenix to Southampton, returning Thu, Feb 12, priced at $839 found 8 hours ago
Delta
Tue, Feb 24 - Thu, Mar 12
PHX
Phoenix
SOU
Southampton
$839 Roundtrip, found 4 days ago
$839
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Feb 24 from Phoenix to Southampton, returning Thu, Mar 12, priced at $839 found 4 days ago
KLM
Sat, Jan 17 - Mon, Jan 26
PHX
Phoenix
SOU
Southampton
$846 Roundtrip, found 1 day ago
$846
Roundtrip
found 1 day ago
Select KLM flight, departing Sat, Jan 17 from Phoenix to Southampton, returning Mon, Jan 26, priced at $846 found 1 day ago
British Airways
Fri, Jun 12 - Mon, Jun 29
PHX
Phoenix
SOU
Southampton
$2,741 Roundtrip, found 2 days ago
$2,741
Roundtrip
found 2 days ago
Select British Airways flight, departing Fri, Jun 12 from Phoenix to Southampton, returning Mon, Jun 29, priced at $2,741 found 2 days ago

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Southampton Airport (SOU) cost?
Lock in a cheap one-way flight from $524 or cheap return flight from $805 from Sky Harbor Intl. Airport (PHX) to Southampton Airport (SOU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Sky Harbor Intl. Airport (PHX) to Southampton Airport (SOU)?
December is the most affordable month to fly from PHX to SOU. Avoiding peak travel times is often the key to scoring lower fares.
What is the cheapest airline that flies from Sky Harbor Intl. Airport (PHX) to Southampton Airport (SOU)?
To find the cheapest airline that'll fly you from PHX to SOU, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Southampton Airport (SOU)?
Nonstop flights from Sky Harbor Intl. Airport (PHX) to Southampton Airport (SOU) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PHX to SOU?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Southampton Airport (SOU)?
Opt for a flight from Sky Harbor Intl. Airport (PHX) to Southampton Airport (SOU) that takes off before 3 PM to reduce the risk of cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to Southampton Airport (SOU) last-minute?
Waiting until just before your departure to book your flight from PHX to SOU generally means paying more. Although you may find some last-minute discounts, they aren't always guaranteed. Be flexible with your itinerary for a better chance of scoring a bargain.
Is it cheaper to book a PHX to SOU flight and hotel package?
Compared with arranging flights and hotels separately, booking a PHX to SOU flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place will take the stress out of planning your trip. Just pick your flights and choose from our wide range of stays, then tailor your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Southampton Airport (SOU)?
In most cases, you're able to reschedule or cancel your PHX to SOU flight. However, there may be additional charges, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you need further information, visit our Customer Service portal.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Southampton
Airlines serving
Aer Lingus, Delta, KLM, Virgin Atlantic
Roundtrip price
$804
Distance
5248 mi

Book with confidence

Phoenix to Southampton Flights

The cheapest times to fly from Phoenix to Southampton

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phoenix to Southampton are during the month of December. You can find some of the cheapest flights from Phoenix to Southampton with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to Southampton

Sunday is one of the best days to book for cheap flights from Phoenix to Southampton: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Phoenix to Southampton

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phoenix to Southampton in 2025. You can also book with separate airlines for your outbound and return journeys, from $524 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phoenix to Southampton flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phoenix to Southampton airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Phoenix to Southampton Flights

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*Available to One Key members.