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Cheap flights from Washington, D.C. to La Serena from $883

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to La Serena departing on 11/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. to La Serena (WAS-LSC)

Cheap round-trip flights

LATAM Airlines Logo
1:55 pm - 12:09 pmDCA-LSC
20h 14m2 stops
LATAM Airlines Logo
6:15 pm - 12:57 pmLSC-DCA
20h 42m2 stops
$883LATAM Airlines
Find Deal
Tue, Nov 11 - Mon, Dec 1
LATAM Airlines Logo
11:00 am - 8:40 pmDCA-LSC
31h 40m2 stops
LATAM Airlines Logo
8:45 pm - 12:57 pmLSC-DCA
42h 12m3 stops
$986LATAM Airlines
Find Deal
Tue, Nov 11 - Mon, Dec 1

LATAM Airlines flights from Washington, D.C. to La Serena

Our best LATAM Airlines deals on Washington, D.C. to La Serena flight tickets
LATAM Airlines
Nov 11
DCA1:55 pmWashington, D.C. Reagan-National
20h 14m
2 stops
LSC12:09 pmLa Serena La Florida
Dec 1
LSC6:15 pmLa Serena La Florida
20h 42m
2 stops
DCA12:57 pmWashington, D.C. Reagan-National
$883
Find similar
LATAM Airlines
Nov 11
DCA11:00 amWashington, D.C. Reagan-National
31h 40m
2 stops
LSC8:40 pmLa Serena La Florida
Dec 1
LSC8:45 pmLa Serena La Florida
42h 12m
3 stops
DCA12:57 pmWashington, D.C. Reagan-National
$986
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to La Serena that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Washington, D.C. to La Serena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.La Serena

DCA - LSC

DCALSC

Washington, D.C. Reagan-National

Tue 11/11

1:55 pm-12:09 pm

2 stops20h 14m

La Serena La Florida

Mon 12/1

6:15 pm-12:57 pm

2 stops20h 42m

$883

Washington, D.C.La Serena

DCA - LSC

DCALSC

Washington, D.C. Reagan-National

Tue 11/11

11:00 am-8:40 pm

2 stops31h 40m

La Serena La Florida

Mon 12/1

8:45 pm-12:57 pm

3 stops42h 12m

$986

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Washington, D.C. to La Serena

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to La Serena?

According to our data, Friday is the cheapest day to fly to La Serena from Washington, D.C.. The lowest ticket price found for a Friday departure recently was $932. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. to La Serena for around $1,525.

What is the cheapest time of day to depart on your flight to La Serena?

Our data shows that the cheapest Washington, D.C. to La Serena flights are usually those with departure times in the afternoon. Our users have found flights to La Serena in the afternoon for as low as $947. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,487 on average. Flights to La Serena from Washington, D.C. at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Washington, D.C. to La Serena

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to La Serena according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to La Serena (WAS to LSC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to La Serena

Best Price Found

$883

Fastest flight time

20h 14m

Direct flights

None

Airports in La Serena

1 airport
The best flight deal from Washington, D.C. to La Serena found on momondo in the last 72 hours is $883
The fastest flight from Washington, D.C. to La Serena takes 20h 14m
There are no direct flights from Washington, D.C. to La Serena. Popular non-direct route for this connection is Washington, D.C. Reagan-National Airport - La Serena La Florida Airport.
There is 1 airport near La Serena: La Serena La Florida (LSC)
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  • How far is Washington, D.C. to La Serena La Florida by plane?

    The straight-line distance from Washington, D.C. to La Serena La Florida is 4765.6 mi. A reasonable flight in good conditions will take 20h 14m.

  • When did momondo last update prices for flights from Washington, D.C. to La Serena La Florida Airport?

    Prices for flights from Washington, D.C. to La Serena La Florida Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Washington, D.C. to La Serena La Florida Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to La Serena La Florida Airport.

  • What documentation or ID do you need to fly to La Serena La Florida Airport?

    The travel and health documents you'll need for your trip to La Serena La Florida Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at La Serena La Florida Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. to La Serena?

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to La Serena?

It is quick and easy to find Washington, D.C. to La Serena flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to La Serena that suits you.

Can I find flights from Washington, D.C. to La Serena with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to La Serena flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to La Serena?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to La Serena from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to La Serena right now. Can momondo alert me if prices change?

Price alerts on flights to La Serena from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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