$263 Cheap Flights from Washington (IAD) to La Paz (LPB)

View $263 flight on Thu, Sep 4, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to El Alto Intl. Airport (LPB)

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Cheap Flights from Washington to La Paz (IAD-LPB)

Prices were available within the past 7 days and start at $263 for one-way flights and $579 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Sep 17 - Mon, Sep 22
IAD
Washington
LPB
La Paz
$579 Roundtrip, found 1 day ago
$579
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 17 from Washington to La Paz, returning Mon, Sep 22, priced at $579 found 1 day ago
United
Wed, Sep 17 - Mon, Sep 22
IAD
Washington
LPB
La Paz
$586 Roundtrip, found 1 day ago
$586
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 17 from Washington to La Paz, returning Mon, Sep 22, priced at $586 found 1 day ago
United
Tue, Sep 16 - Mon, Sep 22
IAD
Washington
LPB
La Paz
$593 Roundtrip, found 1 day ago
$593
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 16 from Washington to La Paz, returning Mon, Sep 22, priced at $593 found 1 day ago
United
Wed, Sep 24 - Sat, Sep 27
IAD
Washington
LPB
La Paz
$606 Roundtrip, found 2 days ago
$606
Roundtrip
found 2 days ago
Select United flight, departing Wed, Sep 24 from Washington to La Paz, returning Sat, Sep 27, priced at $606 found 2 days ago
United
Wed, Oct 15 - Tue, Oct 28
IAD
Washington
LPB
La Paz
$608 Roundtrip, found 3 days ago
$608
Roundtrip
found 3 days ago
Select United flight, departing Wed, Oct 15 from Washington to La Paz, returning Tue, Oct 28, priced at $608 found 3 days ago
United
Wed, Sep 24 - Sat, Sep 27
IAD
Washington
LPB
La Paz
$613 Roundtrip, found 2 days ago
$613
Roundtrip
found 2 days ago
Select United flight, departing Wed, Sep 24 from Washington to La Paz, returning Sat, Sep 27, priced at $613 found 2 days ago
United
Sun, Sep 28 - Wed, Oct 8
IAD
Washington
LPB
La Paz
$615 Roundtrip, found 3 days ago
$615
Roundtrip
found 3 days ago
Select United flight, departing Sun, Sep 28 from Washington to La Paz, returning Wed, Oct 8, priced at $615 found 3 days ago
United
Wed, Oct 15 - Fri, Oct 31
IAD
Washington
LPB
La Paz
$615 Roundtrip, found 3 days ago
$615
Roundtrip
found 3 days ago
Select United flight, departing Wed, Oct 15 from Washington to La Paz, returning Fri, Oct 31, priced at $615 found 3 days ago
avianca
Fri, Sep 26 - Mon, Oct 6
IAD
Washington
LPB
La Paz
$634 Roundtrip, found 3 hours ago
$634
Roundtrip
found 3 hours ago
Select avianca flight, departing Fri, Sep 26 from Washington to La Paz, returning Mon, Oct 6, priced at $634 found 3 hours ago
LATAM Airlines Group
Fri, Sep 26 - Mon, Oct 6
IAD
Washington
LPB
La Paz
$1,133 Roundtrip, found 3 hours ago
$1,133
Roundtrip
found 3 hours ago
Select LATAM Airlines Group flight, departing Fri, Sep 26 from Washington to La Paz, returning Mon, Oct 6, priced at $1,133 found 3 hours ago

Find the cheapest month to fly from Washington (IAD) to La Paz (LPB)

May is typically the cheapest month to fly

From $402 - $806 per traveler.

Graph displaying average flight prices per month

Alternative airports near La Paz

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

Select flight to El Alto Intl. LPB. Cheapest and Closest option available. Average driving time to city center is 12 minutes. Flights from $834
LPB
El Alto Intl.
CheapestClosest
Average driving time to city center12 min
Flights from $834
Flights from Washington (IAD) to La Paz (LPB)
Origin airport
Washington Dulles Intl.
Destination airport
El Alto Intl.
Airlines serving
LATAM Airlines Group, avianca
Roundtrip price
$578
Distance
3878 mi

Washington to La Paz Flights

The cheapest times to fly from Washington to La Paz

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

 

The best time to book a flight from Washington to La Paz

Sunday is one of the best days to book for cheap flights from Washington to La Paz: 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 La Paz

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 La Paz in 2025. You can also book with separate airlines for your outbound and return journeys, from $263 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 La Paz 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 La Paz 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 El Alto Intl. Airport (LPB) cost?
Discover the latest flight deals from IAD to LPB 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 LPB?
The cheapest flights from IAD to LPB 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 LPB?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from IAD to LPB. 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 El Alto Intl. Airport (LPB)?
Nonstop flights from Washington Dulles Intl. Airport (IAD) to El Alto Intl. Airport (LPB) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAD to LPB?
Typically you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can vary depending on the airline, time of year 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 El Alto Intl. Airport (LPB)?
To avoid possible delays on the Washington Dulles Intl. Airport (IAD) to El Alto Intl. Airport (LPB) route, travel before 3 PM. Later departures have a 22% higher chance of cancellation.**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 El Alto Intl. Airport (LPB) last-minute?
Holding off until just before your trip to book a ticket from IAD to LPB generally means paying more. While it's possible to find some last-minute deals, they're not always guaranteed. Allow some flexibility in your schedule to boost your chances of scoring a bargain.
Is it cheaper to book an IAD to LPB flight and hotel package?
Securing an IAD to LPB flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive 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 El Alto Intl. Airport (LPB)?
If you reserved your IAD to LPB 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 fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

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*Available to One Key members.