$548 Cheap Flights from Phoenix (PHX) to Southampton (SOU)

View $548 flight on Tue, Apr 14, 2026Opens 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 $548 for one-way flights and $894 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Oct 18 - Tue, Nov 4
PHX
Phoenix
SOU
Southampton
$894 Roundtrip, found 12 hours ago
$894
Roundtrip
found 12 hours ago
Select Delta flight, departing Sat, Oct 18 from Phoenix to Southampton, returning Tue, Nov 4, priced at $894 found 12 hours ago
Delta
Sat, Oct 18 - Tue, Nov 4
PHX
Phoenix
SOU
Southampton
$894 Roundtrip, found 12 hours ago
$894
Roundtrip
found 12 hours ago
Select Delta flight, departing Sat, Oct 18 from Phoenix to Southampton, returning Tue, Nov 4, priced at $894 found 12 hours ago
Delta
Tue, Oct 21 - Fri, Oct 31
PHX
Phoenix
SOU
Southampton
$895 Roundtrip, found 5 days ago
$895
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Oct 21 from Phoenix to Southampton, returning Fri, Oct 31, priced at $895 found 5 days ago
Delta
Sat, Oct 18 - Tue, Nov 4
PHX
Phoenix
SOU
Southampton
$900 Roundtrip, found 12 hours ago
$900
Roundtrip
found 12 hours ago
Select Delta flight, departing Sat, Oct 18 from Phoenix to Southampton, returning Tue, Nov 4, priced at $900 found 12 hours ago
Virgin Atlantic
Sun, Sep 21 - Tue, Sep 30
PHX
Phoenix
SOU
Southampton
$901 Roundtrip, found 1 day ago
$901
Roundtrip
found 1 day ago
Select Virgin Atlantic flight, departing Sun, Sep 21 from Phoenix to Southampton, returning Tue, Sep 30, priced at $901 found 1 day ago
Delta
Sat, Jan 17 - Mon, Jan 26
PHX
Phoenix
SOU
Southampton
$903 Roundtrip, found 6 hours ago
$903
Roundtrip
found 6 hours ago
Select Delta flight, departing Sat, Jan 17 from Phoenix to Southampton, returning Mon, Jan 26, priced at $903 found 6 hours ago
Delta
Sat, Jan 17 - Mon, Jan 26
PHX
Phoenix
SOU
Southampton
$910 Roundtrip, found 6 hours ago
$910
Roundtrip
found 6 hours ago
Select Delta flight, departing Sat, Jan 17 from Phoenix to Southampton, returning Mon, Jan 26, priced at $910 found 6 hours ago
KLM
Sat, Oct 18 - Tue, Nov 4
PHX
Phoenix
SOU
Southampton
$926 Roundtrip, found 12 hours ago
$926
Roundtrip
found 12 hours ago
Select KLM flight, departing Sat, Oct 18 from Phoenix to Southampton, returning Tue, Nov 4, priced at $926 found 12 hours ago
Aer Lingus
Wed, Oct 29 - Wed, Nov 5
PHX
Phoenix
SOU
Southampton
$1,014 Roundtrip, found 2 days ago
$1,014
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Wed, Oct 29 from Phoenix to Southampton, returning Wed, Nov 5, priced at $1,014 found 2 days ago
British Airways
Thu, May 14 - Wed, May 20
PHX
Phoenix
SOU
Southampton
$1,973 Roundtrip, found 4 days ago
$1,973
Roundtrip
found 4 days ago
Select British Airways flight, departing Thu, May 14 from Phoenix to Southampton, returning Wed, May 20, priced at $1,973 found 4 days ago

Alternative airports near Southampton

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Southampton SOU. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $894
SOU
Southampton
CheapestClosest
Average driving time to city center10 min
Flights from $894
Flights from Phoenix (PHX) to Southampton (SOU)
Origin airport
Sky Harbor Intl.
Destination airport
Southampton
Airlines serving
Aer Lingus, British Airways, Delta, KLM, Virgin Atlantic
Roundtrip price
$893
Distance
5248 mi

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 October. 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 $548 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.

 

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 $548 or cheap return flight from $894 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)?
October 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.

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*Available to One Key members.