Cheap Flights from Sanford (SFM) to Washington (IAD)

Featured airlines

American Airlines
United
Southwest Airlines
Delta
Spirit Airlines
JetBlue Airways
Frontier Airlines
Air India
Hawaiian Airlines

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Find available prices by choosing your travel dates.
Flights from Sanford (SFM) to Washington (IAD)
Origin airport
Sanford Seacoast Regional
Destination airport
Washington Dulles Intl.
Distance
465 mi

Sanford to Washington Flights

The cheapest times to fly from Sanford to Washington

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

 

The best time to book a flight from Sanford to Washington

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

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 Sanford to Washington 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 Sanford to Washington 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 Sanford to Washington 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 Sanford, ME (SFM-Sanford Seacoast Regional) to Washington Dulles Intl. Airport (IAD) cost?
Discover the latest flight deals from SFM to IAD by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SFM to IAD?
The cheapest flights from SFM to IAD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Sanford, ME (SFM-Sanford Seacoast Regional) to Washington Dulles Intl. Airport (IAD)?
There are no direct flights from Sanford, ME (SFM-Sanford Seacoast Regional) to Washington Dulles Intl. Airport (IAD). However, there are other airports that offer nonstop flights. Board your plane at Portland Intl. Jetport Airport (PWM) and fly straight to Washington without any detours.
What is the cheapest airline that flies from SFM to IAD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SFM to IAD. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Sanford, ME (SFM-Sanford Seacoast Regional) to Washington Dulles Intl. Airport (IAD)?
You’ll need to take a flight with a layover if you’re traveling from Sanford, ME (SFM-Sanford Seacoast Regional) to Washington Dulles Intl. Airport (IAD). Direct flights don’t operate daily on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from SFM to IAD?
Typically you’ll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But 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 Sanford, ME (SFM-Sanford Seacoast Regional) to Washington Dulles Intl. Airport (IAD)?
Select a flight from Sanford, ME (SFM-Sanford Seacoast Regional) to Washington Dulles Intl. Airport (IAD) that leaves 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 Sanford, ME (SFM-Sanford Seacoast Regional) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your flight from SFM to IAD right before your journey is typically more expensive. However, if you’re flexible with your departure dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a SFM to IAD flight and hotel package?
You can save money by booking a SFM to IAD flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one convenient place. After choosing your preferred flights and accommodations, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Sanford, ME (SFM-Sanford Seacoast Regional) to Washington Dulles Intl. Airport (IAD)?
If you booked your SFM to IAD flight in 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 this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Explore a world of travel with Expedia

*Available to One Key members.