$478 Cheap Flights from Portland (PDX) to Southampton (SOU)

View $478 flight on Sun, Mar 22, 2026Opens in a new window

Popular airlines from Portland International Airport (PDX) to Southampton (SOU)

Cheap Flights from Portland to Southampton (PDX-SOU)

Prices were available within the past 7 days and start at $478 for one-way flights and $789 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Nov 24 - Tue, Dec 2
PDX
Portland
SOU
Southampton
$789 Roundtrip, found 17 hours ago
$789
Roundtrip
found 17 hours ago
Select Delta flight, departing Mon, Nov 24 from Portland to Southampton, returning Tue, Dec 2, priced at $789 found 17 hours ago
Delta
Tue, Nov 18 - Tue, Dec 2
PDX
Portland
SOU
Southampton
$794 Roundtrip, found 17 hours ago
$794
Roundtrip
found 17 hours ago
Select Delta flight, departing Tue, Nov 18 from Portland to Southampton, returning Tue, Dec 2, priced at $794 found 17 hours ago
Delta
Tue, Nov 18 - Thu, Dec 4
PDX
Portland
SOU
Southampton
$795 Roundtrip, found 5 days ago
$795
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Nov 18 from Portland to Southampton, returning Thu, Dec 4, priced at $795 found 5 days ago
Delta
Wed, Jan 28 - Tue, Feb 10
PDX
Portland
SOU
Southampton
$799 Roundtrip, found 5 days ago
$799
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Jan 28 from Portland to Southampton, returning Tue, Feb 10, priced at $799 found 5 days ago
Virgin Atlantic
Wed, Nov 19 - Thu, Dec 11
PDX
Portland
SOU
Southampton
$799 Roundtrip, found 1 day ago
$799
Roundtrip
found 1 day ago
Select Virgin Atlantic flight, departing Wed, Nov 19 from Portland to Southampton, returning Thu, Dec 11, priced at $799 found 1 day ago
Delta
Mon, Jan 26 - Tue, Feb 10
PDX
Portland
SOU
Southampton
$803 Roundtrip, found 5 days ago
$803
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Jan 26 from Portland to Southampton, returning Tue, Feb 10, priced at $803 found 5 days ago
Delta
Sun, Nov 16 - Wed, Dec 3
PDX
Portland
SOU
Southampton
$805 Roundtrip, found 5 days ago
$805
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Nov 16 from Portland to Southampton, returning Wed, Dec 3, priced at $805 found 5 days ago
Virgin Atlantic
Wed, Nov 5 - Thu, Nov 20
PDX
Portland
SOU
Southampton
$807 Roundtrip, found 5 days ago
$807
Roundtrip
found 5 days ago
Select Virgin Atlantic flight, departing Wed, Nov 5 from Portland to Southampton, returning Thu, Nov 20, priced at $807 found 5 days ago
KLM
Sun, Nov 2 - Thu, Nov 20
PDX
Portland
SOU
Southampton
$815 Roundtrip, found 1 day ago
$815
Roundtrip
found 1 day ago
Select KLM flight, departing Sun, Nov 2 from Portland to Southampton, returning Thu, Nov 20, priced at $815 found 1 day ago
Aer Lingus
Sun, May 10 - Fri, May 22
PDX
Portland
SOU
Southampton
$1,166 Roundtrip, found 5 days ago
$1,166
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Sun, May 10 from Portland to Southampton, returning Fri, May 22, priced at $1,166 found 5 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 $901
SOU
Southampton
CheapestClosest
Average driving time to city center10 min
Flights from $901
Flights from Portland (PDX) to Southampton (SOU)
Origin airport
Portland Intl.
Destination airport
Southampton
Airlines serving
Delta, KLM, Virgin Atlantic
Roundtrip price
$789
Distance
4902 mi

Portland to Southampton Flights

The cheapest times to fly from Portland 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 Portland to Southampton are during the month of November. You can find some of the cheapest flights from Portland to Southampton with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Southampton

Sunday is one of the best days to book for cheap flights from Portland 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 Portland 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 Portland to Southampton in 2025. You can also book with separate airlines for your outbound and return journeys, from $478 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 Portland 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 Portland 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 Portland Intl. Airport (PDX) to Southampton Airport (SOU) cost?
Grab a cheap one-way flight from $478 or cheap return flight from $789 from Portland Intl. Airport (PDX) to Southampton Airport (SOU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Southampton Airport (SOU)?
Planning your trip for November is a good way to save, as it's the cheapest month for flights between PDX and SOU. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Southampton Airport (SOU)?
To find the cheapest airline that'll fly you from PDX to SOU, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Portland Intl. Airport (PDX) to Southampton Airport (SOU)?
There aren't any daily direct flights departing from Portland Intl. Airport (PDX) to Southampton Airport (SOU). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from PDX to SOU?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a range of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Southampton Airport (SOU)?
Book a flight from Portland Intl. Airport (PDX) to Southampton Airport (SOU) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time 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 Portland Intl. Airport (PDX) to Southampton Airport (SOU) last-minute?
Holding off until just before your trip to book your flight from PDX to SOU often results in higher prices. While you might find some last-minute discounts, there's no guarantee. Keep your travel plans flexible to boost your chances of landing a bargain.
Is it cheaper to book a PDX to SOU flight and hotel package?
Compared with arranging hotels and flights separately, booking a PDX to SOU flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place takes the hassle out of travel planning. Just pick your flights and select from our extensive range of stays, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Southampton Airport (SOU)?
If you reserved your PDX to SOU flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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*Available to One Key members.