$355 Cheap Flights from Washington (IAD) to Santa Fe (SFN)

View $355 flight on Sat, Sep 27, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Washington to Santa Fe (IAD-SFN)

Prices were available within the past 7 days and start at $355 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Washington (IAD) to Santa Fe (SFN)
Origin airport
Washington Dulles Intl.
Destination airport
Sauce Viejo
Distance
4997 mi

Washington to Santa Fe Flights

The cheapest times to fly from Washington to Santa Fe

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

 

The best time to book a flight from Washington to Santa Fe

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

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 Santa Fe in 2025. You can also book with separate airlines for your outbound and return journeys, from $355 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 Santa Fe 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 Santa Fe 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 Washington Dulles Intl. Airport (IAD) to Sauce Viejo Airport (SFN) cost?
Discover the latest flight deals from IAD to SFN 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 IAD to SFN?
The cheapest flights from IAD to SFN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from IAD to SFN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from IAD to SFN. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Sauce Viejo Airport (SFN)?
There aren’t any daily direct flights available from Washington Dulles Intl. Airport (IAD) to Sauce Viejo Airport (SFN). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you’ll be on your way before you know it.
What day of the week has the most flights from IAD to SFN?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on a number of factors, including 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 Washington Dulles Intl. Airport (IAD) to Sauce Viejo Airport (SFN)?
To reach Sauce Viejo Airport (SFN) on schedule, pick a flight that takes off from Washington Dulles Intl. Airport (IAD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Washington Dulles Intl. Airport (IAD) to Sauce Viejo Airport (SFN) last-minute?
Waiting until right before your break to book your flight from IAD to SFN generally means paying more. Although you may find some last-minute offers, they aren’t always guaranteed. Be flexible with your itinerary to maximize your chances of snagging a bargain.
Is it cheaper to book an IAD to SFN flight and hotel package?
Booking an IAD to SFN flight and hotel package tends to be 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 Washington Dulles Intl. Airport (IAD) to Sauce Viejo Airport (SFN)?
It’s generally possible to cancel or reschedule your IAD to SFN flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are possible and whether any costs are involved. You’ll also find more details on our Customer Service portal.

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*Available to One Key members.