Cheap Flights from Washington (IAD) to Los Alamos (LAM)

Popular airlines from Washington Dulles Intl. Airport (IAD) to Los Alamos, NM (LAM-Los Alamos County)

Alternative airports near Los Alamos

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Santa Fe Municipal SAF. Cheapest option available. Average driving time to city center is 54 minutes. Flights from $409
SAF
Santa Fe Municipal
Cheapest
Average driving time to city center54 min
Flights from $409

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Los Alamos County Airport (LAM) cost?
Get a cheap one-way flight or cheap return flight from Washington Dulles Intl. Airport (IAD) to Los Alamos County Airport (LAM) 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 Los Alamos County Airport (LAM)?
Planning your getaway for is a good way to save, as it's the cheapest month for flights between IAD and LAM. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Los Alamos County Airport (LAM)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from IAD to LAM. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Los Alamos County Airport (LAM)?
You'll have to hop on a flight with a layover when traveling from Washington Dulles Intl. Airport (IAD) to Los Alamos County Airport (LAM). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from IAD to LAM?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the season, airline 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 Washington Dulles Intl. Airport (IAD) to Los Alamos County Airport (LAM)?
To avoid possible delays on the Washington Dulles Intl. Airport (IAD) to Los Alamos County Airport (LAM) route, travel before 3 PM. Flights 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 Washington Dulles Intl. Airport (IAD) to Los Alamos County Airport (LAM) last-minute?
Booking your ticket from IAD to LAM shortly before your journey is typically more expensive. However, if you're flexible with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book an IAD to LAM flight and hotel package?
Securing an IAD to LAM flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our wide range of hotels and then add car rentals, flights and activities 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 Los Alamos County Airport (LAM)?
If you reserved your IAD to LAM 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 after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Los Alamos County
Distance
1589 mi

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Washington to Los Alamos Flights

The cheapest times to fly from Washington to Los Alamos

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

 

The best time to book a flight from Washington to Los Alamos

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

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 Los Alamos 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 Los Alamos 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 Los Alamos 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 Los Alamos Flights

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*Available to One Key members.