Cheap Flights from Washington (IAD) to Sumter (SUM)

Popular airlines from Washington Dulles Intl. Airport (IAD) to Sumter, SC (SUM-Sumter Municipal)

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Sumter, SC (SUM-Sumter Municipal) cost?
Get a cheap one-way flight or cheap return flight from Washington Dulles Intl. Airport (IAD) to Sumter, SC (SUM-Sumter Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Sumter, SC (SUM-Sumter Municipal)?
Traveling in may help you find better deals, as it's the cheapest month for flights between IAD and SUM. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Sumter, SC (SUM-Sumter Municipal)?
To find the cheapest airline that'll fly you from IAD to SUM, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Sumter, SC (SUM-Sumter Municipal)?
Nonstop flights from Washington Dulles Intl. Airport (IAD) to Sumter, SC (SUM-Sumter Municipal) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAD to SUM?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on various factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Sumter, SC (SUM-Sumter Municipal)?
Book a flight from Washington Dulles Intl. Airport (IAD) to Sumter, SC (SUM-Sumter Municipal) that leaves before 3 PM to reduce the likelihood of delays. 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.
What airports do you fly into for Sumter from Washington Dulles Intl. Airport (IAD)?
Check out your flight options from Washington Dulles Intl. Airport (IAD) to Columbia Metropolitan Airport (CAE). This is the only airport in Sumter you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Sumter, SC (SUM-Sumter Municipal) last-minute?
Waiting until right before your break to book a ticket from IAD to SUM generally means paying more. While it's possible to find some last-minute deals, they're not always guaranteed. Keep your travel plans flexible to maximize your chances of snagging a bargain.
Is it cheaper to book an IAD to SUM flight and hotel package?
Compared with arranging flights and hotels separately, booking an IAD to SUM flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place takes the hassle out of planning your trip. Simply pick your flights and select from our extensive range of hotels, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Sumter, SC (SUM-Sumter Municipal)?
Typically, it's possible to reschedule or cancel your IAD to SUM flight. However, if it's been more than 24 hours since booking, additional charges 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 further details on our Customer Service portal.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Sumter Municipal
Distance
379 mi

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Washington to Sumter Flights

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

 

The best time to book a flight from Washington to Sumter

Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington 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 Washington 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 Washington 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.

 

Washington to Sumter Flights

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*Available to One Key members.