$586 Cheap Flights from Redmond (RDM) to Southampton (SOU)

View $586 flight on Thu, Nov 13, 2025Opens in a new window

Popular airlines from Redmond Municipal Airport (RDM) to Southampton (SOU)

Cheap Flights from Redmond to Southampton (RDM-SOU)

Prices were available within the past 7 days and start at $586 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Robert's Field Airport (RDM) to Southampton Airport (SOU) cost?
Snag a cheap one-way flight from $586 or cheap return flight from Robert's Field Airport (RDM) 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 Robert's Field Airport (RDM) to Southampton Airport (SOU)?
The cheapest month to fly from RDM to SOU is , when there's less demand. Off-peak season is generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Robert's Field Airport (RDM) to Southampton Airport (SOU)?
To find the cheapest airline flying from RDM to SOU, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Robert's Field Airport (RDM) to Southampton Airport (SOU)?
There are no daily nonstop flights from Robert's Field Airport (RDM) to Southampton Airport (SOU). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from RDM to SOU?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Robert's Field Airport (RDM) to Southampton Airport (SOU)?
To avoid possible delays on the Robert's Field Airport (RDM) to Southampton Airport (SOU) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of being 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 Robert's Field Airport (RDM) to Southampton Airport (SOU) last-minute?
Waiting until just before your trip to book a flight from RDM to SOU often results in higher prices. While you might find some last-minute offers, they aren't always guaranteed. Keep your travel schedule open for the best chance of snagging a bargain.
Is it cheaper to book a RDM to SOU flight and hotel package?
Booking a RDM to SOU flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of accommodations and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Robert's Field Airport (RDM) to Southampton Airport (SOU)?
In most instances, you're able to cancel or reschedule your RDM to SOU flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like more details, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Robert's Field
Destination airport
Southampton
Distance
4938 mi

Book with confidence

Book with confidence

Redmond to Southampton Flights

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

 

The best time to book a flight from Redmond to Southampton

Sunday is one of the best days to book for cheap flights from Redmond 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 Redmond 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 Redmond to Southampton in 2025. You can also book with separate airlines for your outbound and return journeys, from $586 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 Redmond 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 Redmond 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.

 

Redmond to Southampton Flights

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*Available to One Key members.