How do I get Price Alerts for flights from Washington, D.C. to La Serena?

Confirm your travel details to search for the latest offers for flights from Washington, D.C. to La Serena . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Washington, D.C. to La Serena with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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 many operators does momondo search for flights from Washington, D.C. to La Serena La Florida Airport?

As of October 2026, there is 1 operator available to choose from for flights from Washington, D.C. to La Serena La Florida Airport.

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.

$973 Cheap Flights from Washington, D.C. to La Serena in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to La Serena

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:05 pm - 5:43 pmDCA Washington, D.C. Reagan-National-LSC La Serena La Florida

23h 38m2 stops New York John F Kennedy Intl Santiago Arturo Merino Benitez

6:54 pm - 11:31 amLSC La Serena La Florida-DCA Washington, D.C. Reagan-National

17h 37m2 stops Santiago Arturo Merino Benitez Atlanta Hartsfield-Jackson

$1,068LATAM Airlines

Sun, Oct 25 - Thu, Oct 29

1:45 pm - 3:11 pmDCA Washington, D.C. Reagan-National-LSC La Serena La Florida

23h 26m2 stops Miami Santiago Arturo Merino Benitez

12:54 pm - 2:04 pmLSC La Serena La Florida-DCA Washington, D.C. Reagan-National

27h 10m2 stops Santiago Arturo Merino Benitez Miami

$1,068LATAM Airlines

Tue, Nov 3 - Wed, Nov 11

11:05 am - 11:27 amDCA Washington, D.C. Reagan-National-LSC La Serena La Florida

23h 22m2 stops New York John F Kennedy Intl Santiago Arturo Merino Benitez

4:16 pm - 4:37 pmLSC La Serena La Florida-DCA Washington, D.C. Reagan-National

25h 21m2 stops Santiago Arturo Merino Benitez New York John F Kennedy Intl

$1,068LATAM Airlines

Mon, Oct 26 - Fri, Oct 30

2:00 pm - 8:19 pmDCA Washington, D.C. Reagan-National-LSC La Serena La Florida

28h 19m3 stops Miami Buenos Aires Ministro Pistarini Santiago Arturo Merino Benitez

11:30 am - 1:56 pmLSC La Serena La Florida-DCA Washington, D.C. Reagan-National

28h 26m2 stops Santiago Arturo Merino Benitez Miami

$1,092LATAM Airlines

Thu, Dec 31 - Thu, Mar 4

2:00 pm - 10:14 amDCA Washington, D.C. Reagan-National-LSC La Serena La Florida

18h 14m2 stops Miami Santiago Arturo Merino Benitez

1:56 pm - 1:56 pmLSC La Serena La Florida-DCA Washington, D.C. Reagan-National

26h 00m2 stops Santiago Arturo Merino Benitez Miami

$1,092LATAM Airlines

Thu, Dec 31 - Thu, Mar 4

6:10 am - 3:31 pmDCA Washington, D.C. Reagan-National-LSC La Serena La Florida

32h 21m2 stops New York John F Kennedy Intl Santiago Arturo Merino Benitez

5:20 pm - 4:37 pmLSC La Serena La Florida-DCA Washington, D.C. Reagan-National

25h 17m2 stops Santiago Arturo Merino Benitez New York John F Kennedy Intl

$1,100Multiple Airlines

Thu, Oct 29 - Thu, Nov 5

11:05 am - 6:19 pmDCA Washington, D.C. Reagan-National-LSC La Serena La Florida

30h 14m2 stops New York John F Kennedy Intl Santiago Arturo Merino Benitez

10:07 am - 4:37 pmLSC La Serena La Florida-DCA Washington, D.C. Reagan-National

31h 30m2 stops Santiago Arturo Merino Benitez New York John F Kennedy Intl

$1,100LATAM Airlines

Mon, Oct 26 - Fri, Oct 30

11:05 am - 11:27 amDCA Washington, D.C. Reagan-National-LSC La Serena La Florida

23h 22m2 stops New York John F Kennedy Intl Santiago Arturo Merino Benitez

4:16 pm - 4:37 pmLSC La Serena La Florida-DCA Washington, D.C. Reagan-National

25h 21m2 stops Santiago Arturo Merino Benitez New York John F Kennedy Intl

$1,100LATAM Airlines

Mon, Oct 26 - Fri, Oct 30

11:05 am - 11:27 amDCA Washington, D.C. Reagan-National-LSC La Serena La Florida

23h 22m2 stops New York John F Kennedy Intl Santiago Arturo Merino Benitez

10:07 am - 4:37 pmLSC La Serena La Florida-DCA Washington, D.C. Reagan-National

31h 30m2 stops Santiago Arturo Merino Benitez New York John F Kennedy Intl

$1,193LATAM Airlines

Mon, Oct 26 - Fri, Oct 30

4:00 pm - 9:51 pmDCA Washington, D.C. Reagan-National-LSC La Serena La Florida

27h 51m3 stops Montreal Pierre Elliott Trudeau Intl Bogotá El Dorado Santiago Arturo Merino Benitez

9:20 pm - 6:18 pmLSC La Serena La Florida-DCA Washington, D.C. Reagan-National

46h 58m3 stops Concepción Carriel Sur Santiago Arturo Merino Benitez Toronto Pearson Intl

$1,379Multiple Airlines

Tue, Nov 3 - Wed, Nov 11

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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

Oct 25

DCA5:05 pmWashington, D.C. Reagan-National

23h 38m

2 stops

LSC5:43 pmLa Serena La Florida

Oct 29

LSC6:54 pmLa Serena La Florida

17h 37m

2 stops

DCA11:31 amWashington, D.C. Reagan-National

$1,068

LATAM Airlines

Dec 31

DCA2:00 pmWashington, D.C. Reagan-National

28h 19m

3 stops

LSC8:19 pmLa Serena La Florida

Mar 4

LSC11:30 amLa Serena La Florida

28h 26m

2 stops

DCA1:56 pmWashington, D.C. Reagan-National

$1,092

LATAM Airlines

Oct 26

DCA11:05 amWashington, D.C. Reagan-National

30h 14m

2 stops

LSC6:19 pmLa Serena La Florida

Oct 30

LSC10:07 amLa Serena La Florida

31h 30m

2 stops

DCA4:37 pmWashington, D.C. Reagan-National

$1,100

momondo Fare Finder

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

Cheapest round-trip

Quickest round-trip

Washington, D.C.La Serena

DCA Washington, D.C. Reagan-National - LSC La Serena La Florida

DCALSC

Washington, D.C. Reagan-National

Sun 10/25

5:05 pm-5:43 pm

2 stops23h 38m

La Serena La Florida

Thu 10/29

6:54 pm-11:31 am

2 stops17h 37m

$1,068

Washington, D.C.La Serena

DCA Washington, D.C. Reagan-National - LSC La Serena La Florida

DCALSC

Washington, D.C. Reagan-National

Tue 11/3

1:45 pm-3:11 pm

2 stops23h 26m

La Serena La Florida

Wed 11/11

12:54 pm-2:04 pm

2 stops27h 10m

$1,068

Washington, D.C.La Serena

DCA Washington, D.C. Reagan-National - LSC La Serena La Florida

DCALSC

Washington, D.C. Reagan-National

Mon 10/26

11:05 am-11:27 am

2 stops23h 22m

La Serena La Florida

Fri 10/30

4:16 pm-4:37 pm

2 stops25h 21m

$1,068

Washington, D.C.La Serena

DCA Washington, D.C. Reagan-National - LSC La Serena La Florida

DCALSC

Washington, D.C. Reagan-National

Thu 12/31

2:00 pm-8:19 pm

3 stops28h 19m

La Serena La Florida

Thu 3/4

11:30 am-1:56 pm

2 stops28h 26m

$1,092

Washington, D.C.La Serena

DCA Washington, D.C. Reagan-National - LSC La Serena La Florida

DCALSC

Washington, D.C. Reagan-National

Thu 12/31

2:00 pm-10:14 am

2 stops18h 14m

La Serena La Florida

Thu 3/4

1:56 pm-1:56 pm

2 stops26h 00m

$1,092

Washington, D.C.La Serena

DCA Washington, D.C. Reagan-National - LSC La Serena La Florida

DCALSC

Washington, D.C. Reagan-National

Thu 10/29

6:10 am-3:31 pm

2 stops32h 21m

La Serena La Florida

Thu 11/5

5:20 pm-4:37 pm

2 stops25h 17m

$1,100

Washington, D.C.La Serena

DCA Washington, D.C. Reagan-National - LSC La Serena La Florida

DCALSC

Washington, D.C. Reagan-National

Mon 10/26

11:05 am-6:19 pm

2 stops30h 14m

La Serena La Florida

Fri 10/30

10:07 am-4:37 pm

2 stops31h 30m

$1,100

Washington, D.C.La Serena

DCA Washington, D.C. Reagan-National - LSC La Serena La Florida

DCALSC

Washington, D.C. Reagan-National

Mon 10/26

11:05 am-11:27 am

2 stops23h 22m

La Serena La Florida

Fri 10/30

4:16 pm-4:37 pm

2 stops25h 21m

$1,100

Washington, D.C.La Serena

DCA Washington, D.C. Reagan-National - LSC La Serena La Florida

DCALSC

Washington, D.C. Reagan-National

Mon 10/26

11:05 am-11:27 am

2 stops23h 22m

La Serena La Florida

Fri 10/30

10:07 am-4:37 pm

2 stops31h 30m

$1,193

Washington, D.C.La Serena

DCA Washington, D.C. Reagan-National - LSC La Serena La Florida

DCALSC

Washington, D.C. Reagan-National

Tue 11/3

4:00 pm-9:51 pm

3 stops27h 51m

La Serena La Florida

Wed 11/11

9:20 pm-6:18 pm

3 stops46h 58m

$1,379

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first

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	$973
Fastest flight time	28h 19m
Direct flights	None

The best one-way flight to La Serena from Washington, D.C. in the past 72 hours is $973. The best round-trip flight deal from Washington, D.C. to La Serena found on momondo in the last 72 hours is $1,068.

The fastest flight from Washington, D.C. to La Serena takes 28h 19m

There are no direct flights from Washington, D.C. to La Serena. There are no popular flight routes from Washington, D.C. to La Serena.

Search flight deals

Frequently asked questions about flying from Washington, D.C. to La Serena

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 28h 19m.
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 many operators does momondo search for flights from Washington, D.C. to La Serena La Florida Airport?
As of October 2026, there is 1 operator available to choose from for flights from Washington, D.C. to La Serena La Florida Airport.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to La Serena is LATAM Airlines (100% of total bookings).

Best airlines flying from Washington, D.C. to La Serena

Compare and see reviews for airlines that fly from Washington, D.C. to La Serena with momondo

Airline	Rating	Free Cancellation	Price
LATAM Airlines	PriceFrom $891	Free Cancellation	Rating 7.4 1,975 reviews		Search LATAM Airlines flights

Frequently asked questions about flying from Washington, D.C. to La Serena

How do I get Price Alerts for flights from Washington, D.C. to La Serena?
Confirm your travel details to search for the latest offers for flights from Washington, D.C. to La Serena. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Washington, D.C. to La Serena with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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.