S$166 Cheap Flights from Las Vegas to Washington

View S$166 flight on Tue, 22 Jul, 2025Opens in a new window

Popular airlines from Harry Reid Intl. Airport (LAS) to Ronald Reagan Washington National Airport (DCA)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 40% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Las Vegas to Washington (LAS-DCA)

Prices were available within the past 7 days and start at S$166 for one-way flights and S$332 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 6 Aug - Wed, 13 Aug
LAS
Las Vegas
DCA
Washington
S$332 Return, found 2 days ago
S$332
Return
found 2 days ago
Select Delta flight, departing Wed, 6 Aug from Las Vegas to Washington, returning Wed, 13 Aug, priced at S$332 found 2 days ago
American Airlines
Wed, 6 Aug - Wed, 13 Aug
LAS
Las Vegas
DCA
Washington
S$333 Return, found 2 days ago
S$333
Return
found 2 days ago
Select American Airlines flight, departing Wed, 6 Aug from Las Vegas to Washington, returning Wed, 13 Aug, priced at S$333 found 2 days ago
American Airlines
Wed, 6 Aug - Wed, 13 Aug
LAS
Las Vegas
DCA
Washington
S$335 Return, found 2 days ago
S$335
Return
found 2 days ago
Select American Airlines flight, departing Wed, 6 Aug from Las Vegas to Washington, returning Wed, 13 Aug, priced at S$335 found 2 days ago
American Airlines
Wed, 6 Aug - Wed, 13 Aug
LAS
Las Vegas
DCA
Washington
S$407 Return, found 2 days ago
S$407
Return
found 2 days ago
Select American Airlines flight, departing Wed, 6 Aug from Las Vegas to Washington, returning Wed, 13 Aug, priced at S$407 found 2 days ago
Delta
Wed, 6 Aug - Wed, 13 Aug
LAS
Las Vegas
DCA
Washington
S$412 Return, found 2 days ago
S$412
Return
found 2 days ago
Select Delta flight, departing Wed, 6 Aug from Las Vegas to Washington, returning Wed, 13 Aug, priced at S$412 found 2 days ago
American Airlines
Wed, 6 Aug - Wed, 13 Aug
LAS
Las Vegas
DCA
Washington
S$456 Return, found 2 days ago
S$456
Return
found 2 days ago
Select American Airlines flight, departing Wed, 6 Aug from Las Vegas to Washington, returning Wed, 13 Aug, priced at S$456 found 2 days ago
American Airlines
Wed, 6 Aug - Wed, 13 Aug
LAS
Las Vegas
DCA
Washington
S$462 Return, found 2 days ago
S$462
Return
found 2 days ago
Select American Airlines flight, departing Wed, 6 Aug from Las Vegas to Washington, returning Wed, 13 Aug, priced at S$462 found 2 days ago
United
Wed, 6 Aug - Wed, 13 Aug
LAS
Las Vegas
DCA
Washington
S$553 Return, found 2 days ago
S$553
Return
found 2 days ago
Select United flight, departing Wed, 6 Aug from Las Vegas to Washington, returning Wed, 13 Aug, priced at S$553 found 2 days ago
United
Wed, 6 Aug - Wed, 13 Aug
LAS
Las Vegas
DCA
Washington
S$554 Return, found 2 days ago
S$554
Return
found 2 days ago
Select United flight, departing Wed, 6 Aug from Las Vegas to Washington, returning Wed, 13 Aug, priced at S$554 found 2 days ago
American Airlines
Wed, 6 Aug - Wed, 13 Aug
LAS
Las Vegas
DCA
Washington
S$582 Return, found 2 days ago
S$582
Return
found 2 days ago
Select American Airlines flight, departing Wed, 6 Aug from Las Vegas to Washington, returning Wed, 13 Aug, priced at S$582 found 2 days ago

Find the cheapest month to fly from Las Vegas (LAS) to Washington (DCA)

February is typically the cheapest month to fly

From S$177 - S$333 per traveller.

Graph displaying average flight prices per month

Las Vegas to Washington route information
Origin airport
Harry Reid Intl.
Destination airport
Ronald Reagan Washington National
Return price
S$331
Distance
3333 km
Average flight time
9 hours 16 mins

Perfect flights from Las Vegas to Washington

Your Journey from Las Vegas to Washington

Start your unforgettable journey with Expedia. Our broad selection of flights from Las Vegas to Washington caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, American Airlines, United. Our selection of flights from Harry Reid Intl. to Ronald Reagan Washington National caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Las Vegas to Washington Flights

Experience the joy of finding cheap flights from Harry Reid Intl. to Ronald Reagan Washington National that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$166 and roundtrip prices from S$332*.
 

Pre-Flight Essentials

Ensure a smooth journey from Las Vegas to Washington with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Washington

Picture yourself stepping off the plane in Washington and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Las Vegas to Washington Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Las Vegas to Washington.
 

Beyond the Flight – Exploring Washington

With Expedia, your adventure extends beyond the flight. Explore Washington at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Las Vegas to Washington with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Las Vegas to Washington with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Harry Reid Airport (formerly McCarran Airport) to Ronald Reagan Washington National Airport (DCA)?
Round-trip flights from LAS to Ronald Reagan Washington National Airport (DCA) start from S$332. This price is based on fares advertised within the last 7 days on Expedia for flights departing within the next year --- make your booking ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from LAS to National Airport?
Each airline has its own terms and conditions. If you decide to cancel your trip, head to our Customer Service Portal.
How do I find cheap flights from LAS to National Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Harry Reid Airport (formerly McCarran Airport) to DCA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Harry Reid Airport (formerly McCarran Airport) to National Airport?
The flight distance from Las Vegas to Arlington is 3,400 kilometres. Bring a snack, a drink and an interesting novel to read. Keep yourself occupied and time will zip by.
Which airlines fly direct from Harry Reid Airport (formerly McCarran Airport) to Ronald Reagan Washington National Airport (DCA)?
Offering 30 flights every month, American Airlines (AA) is a great choice when flying straight from LAS to Ronald Reagan Washington National Airport (DCA).
Are Harry Reid Airport (formerly McCarran Airport) to National Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to nab great last-minute deals from Harry Reid Airport (formerly McCarran Airport) to National Airport, but it can also be hit-or-miss. As many airlines release seats up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to book when you see a good bargain. Expedia compares carrier prices and updates flight deals regularly, so you can rest easy knowing you're always getting the latest offers.

Explore a world of travel with Expedia

*Available to Expedia members.