Cheap Flights from Seattle (SEA) to Los Alamos (LAM)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Los Alamos, NM (LAM-Los Alamos County)

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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 $442
SAF
Santa Fe Municipal
Cheapest
Average driving time to city center54 min
Flights from $442
Flights from Seattle (SEA) to Los Alamos (LAM)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Los Alamos County
Distance
1145 mi

Seattle to Los Alamos Flights

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

 

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

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

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Los Alamos County Airport (LAM) cost?
Get a cheap one-way flight or cheap return flight from Seattle - Tacoma Intl. Airport (SEA) 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 Seattle - Tacoma Intl. Airport (SEA) to Los Alamos County Airport (LAM)?
is the most affordable month to fly from SEA to LAM. Traveling outside of peak seasons is often the key to landing a great deal.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Los Alamos County Airport (LAM)?
To find the cheapest airline that'll fly you from SEA to LAM, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Los Alamos County Airport (LAM)?
You'll have to hop on a flight with a layover if you're traveling from Seattle - Tacoma Intl. Airport (SEA) to Los Alamos County Airport (LAM). There are no daily direct flights on this route. However, just 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 LAM?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*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 Los Alamos County Airport (LAM)?
To land at Los Alamos County Airport (LAM) on time, pick a flight that leaves Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Los Alamos from Seattle - Tacoma Intl. Airport (SEA)?
Albuquerque Intl. Sunport Airport (ABQ) is the only airport in Los Alamos with direct flights from Seattle - Tacoma Intl. Airport (SEA). Explore your options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Los Alamos County Airport (LAM) last-minute?
Last-minute fares from SEA to LAM are usually more expensive. For the best rates, start looking for flights well ahead of time. That said, if your travel plans are flexible, you may land a cheap ticket right before your journey.
Is it cheaper to book a SEA to LAM flight and hotel package?
Compared with arranging hotels and flights separately, booking a SEA to LAM flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place takes the hassle out of travel planning. Just secure your flights and select from our extensive range of stays, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Los Alamos County Airport (LAM)?
Typically, you can cancel or reschedule your SEA to LAM flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need more information, visit our Customer Service portal.

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