Cheap Flights from Seattle (SEA) to Sumter (SUM)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Sumter, SC (SUM-Sumter Municipal)

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Sumter, SC (SUM-Sumter Municipal) cost?
Get a cheap one-way flight or cheap return flight from Seattle - Tacoma Intl. Airport (SEA) to Sumter, SC (SUM-Sumter Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Sumter, SC (SUM-Sumter Municipal)?
is the cheapest month to fly from SEA to SUM. Traveling during an off-peak travel window is often the key to scoring lower fares.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Sumter, SC (SUM-Sumter Municipal)?
To find the cheapest airline that'll fly you from SEA to SUM, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Sumter, SC (SUM-Sumter Municipal)?
You'll have to take a flight with a layover if you're traveling from Seattle - Tacoma Intl. Airport (SEA) to Sumter, SC (SUM-Sumter Municipal). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from SEA to SUM?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Sumter, SC (SUM-Sumter Municipal)?
Choose a flight from Seattle - Tacoma Intl. Airport (SEA) to Sumter, SC (SUM-Sumter Municipal) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**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 Seattle - Tacoma Intl. Airport (SEA) to Sumter, SC (SUM-Sumter Municipal) last-minute?
Booking your plane ticket from SEA to SUM right before your getaway is typically more expensive. But if you're flexible with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a SEA to SUM flight and hotel package?
Opting for a SEA to SUM flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our wide range of accommodations and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Sumter, SC (SUM-Sumter Municipal)?
Generally, it's possible to reschedule or cancel your SEA to SUM flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Sumter Municipal
Distance
2349 mi

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Seattle to Sumter Flights

The cheapest times to fly from Seattle to Sumter

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 Seattle to Sumter are during the month of . You can find some of the cheapest flights from Seattle to Sumter with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Sumter

Sunday is one of the best days to book for cheap flights from Seattle to Sumter: 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 Seattle to Sumter

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 Seattle to Sumter in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Seattle to Sumter 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 Seattle to Sumter 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.

 

Seattle to Sumter Flights

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*Available to One Key members.