£112 Cheap Flights from Washington (DCA) to Las Vegas (LAS)

View £112 flight on Wed, 19 Aug 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £112 for one-way flights and £219 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Wed, 2 Sept - Wed, 9 Sept
DCA
Washington
LAS
Las Vegas
£219 Return, found 5 hours ago
£219
Return
found 5 hours ago
Select JetBlue Airways flight, departing Wed, 2 Sept from Washington to Las Vegas, returning Wed, 9 Sept, priced at £219 found 5 hours ago
Delta
Tue, 26 May - Tue, 9 Jun
DCA
Washington
LAS
Las Vegas
£255 Return, found 1 day ago
£255
Return
found 1 day ago
Select Delta flight, departing Tue, 26 May from Washington to Las Vegas, returning Tue, 9 Jun, priced at £255 found 1 day ago
Alaska Airlines
Wed, 2 Sept - Wed, 9 Sept
DCA
Washington
LAS
Las Vegas
£273 Return, found 5 hours ago
£273
Return
found 5 hours ago
Select Alaska Airlines flight, departing Wed, 2 Sept from Washington to Las Vegas, returning Wed, 9 Sept, priced at £273 found 5 hours ago
JetBlue Airways
Wed, 2 Sept - Wed, 9 Sept
DCA
Washington
LAS
Las Vegas
£275 Return, found 5 hours ago
£275
Return
found 5 hours ago
Select JetBlue Airways flight, departing Wed, 2 Sept from Washington to Las Vegas, returning Wed, 9 Sept, priced at £275 found 5 hours ago
JetBlue Airways
Wed, 2 Sept - Wed, 9 Sept
DCA
Washington
LAS
Las Vegas
£277 Return, found 5 hours ago
£277
Return
found 5 hours ago
Select JetBlue Airways flight, departing Wed, 2 Sept from Washington to Las Vegas, returning Wed, 9 Sept, priced at £277 found 5 hours ago
Alaska Airlines
Mon, 13 Jul - Wed, 15 Jul
DCA
Washington
LAS
Las Vegas
£279 Return, found 2 days ago
£279
Return
found 2 days ago
Select Alaska Airlines flight, departing Mon, 13 Jul from Washington to Las Vegas, returning Wed, 15 Jul, priced at £279 found 2 days ago
Delta
Thu, 28 May - Tue, 9 Jun
DCA
Washington
LAS
Las Vegas
£281 Return, found 1 day ago
£281
Return
found 1 day ago
Select Delta flight, departing Thu, 28 May from Washington to Las Vegas, returning Tue, 9 Jun, priced at £281 found 1 day ago
Alaska Airlines
Tue, 2 Jun - Tue, 16 Jun
DCA
Washington
LAS
Las Vegas
£283 Return, found 1 day ago
£283
Return
found 1 day ago
Select Alaska Airlines flight, departing Tue, 2 Jun from Washington to Las Vegas, returning Tue, 16 Jun, priced at £283 found 1 day ago
American Airlines
Mon, 18 May - Thu, 21 May
DCA
Washington
LAS
Las Vegas
£311 Return, found 6 hours ago
£311
Return
found 6 hours ago
Select American Airlines flight, departing Mon, 18 May from Washington to Las Vegas, returning Thu, 21 May, priced at £311 found 6 hours ago
United
Thu, 13 Aug - Fri, 14 Aug
DCA
Washington
LAS
Las Vegas
£410 Return, found 1 day ago
£410
Return
found 1 day ago
Select United flight, departing Thu, 13 Aug from Washington to Las Vegas, returning Fri, 14 Aug, priced at £410 found 1 day ago

Alternative airports near Las Vegas

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

Select flight to McCarran Intl. LAS. Cheapest and Closest option available. Average driving time to city centre is 6 minutes. Flights from £344
LAS
McCarran Intl.
CheapestClosest
Average driving time to city centre6 min
Flights from £344

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

April is typically the cheapest month to fly

From £109 - £235 per traveller.

Frequently asked questions

How much is a flight from DCA to Harry Reid Airport (formerly McCarran Airport)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight between Ronald Reagan Washington National Airport (DCA) and Harry Reid Airport (formerly McCarran Airport) was £219. Fares this cheap don't stick around for long, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from DCA to Harry Reid Airport (formerly McCarran Airport)?
When it comes to cancellation fees, each airline has a different set of terms and conditions. If you decide to cancel your trip, head to our Customer Service Portal.
How do I find cheap flights from Ronald Reagan Washington National Airport (DCA) to Harry Reid Airport (formerly McCarran 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 Ronald Reagan Washington National Airport (DCA) to Harry Reid Airport (formerly McCarran Airport) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from DCA to Harry Reid Airport (formerly McCarran Airport)?
The flight distance from Ronald Reagan Washington National Airport (DCA) to LAS is 3,400 kilometres. Bring a drink, a few snacks and an interesting novel to read. Keep yourself busy in the air and the hours will zip by.
Which airlines fly direct from National Airport to LAS?
Check out the deals on offer with American Airlines (AA) if you want to travel straight from Ronald Reagan Washington National Airport (DCA) to LAS. This carrier offers 30 flights monthly, so you're sure to find one that fits your travel plans.
Are Ronald Reagan Washington National Airport (DCA) to Harry Reid Airport (formerly McCarran Airport) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Ronald Reagan Washington National Airport (DCA) to Harry Reid Airport (formerly McCarran Airport) can be hit-or-miss. You may be able to find a bargain, but then again, you could miss out entirely! If you'd prefer to play it safe and start your trip planning ahead of time, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines list their prices that far in advance. Our top tip? Check back often as updates are made regularly.

Frequently asked questions

What is the cheapest month to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.)?
September is typically the cheapest month to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.), with average return fares of approximately £244. This is about 17% lower than the average price throughout the year. September often sees lower prices as the summer travel rush ends and before the holiday season begins, leading to reduced demand. Other cheap months to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) include January and August.
Which airlines fly direct from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Enter DCA to LAS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.)?
To find a cheap flight from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The best airline to fly with from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) will differ from traveller to traveller. If price is the most important factor, WN typically offers the lowest fares. AA offers the most daily flights from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The best time to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) is typically September. This month offers a great balance, as it's one of the cheapest times to fly, with average return flights around £244, and it's also a popular time to travel, meaning you'll have plenty of flight options to choose from. This information is based on booking data from the past year.
How many flights per day from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.)?
There are approximately 2 nonstop flights per day from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.). For even more choice, look at flights that include layovers, as there are around 132 connecting flights per day. Some common connection points include O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL), and Seattle - Tacoma Intl. (SEA).
What is the earliest flight from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The earliest flight from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid International Airport) typically departs at approximately 5:00 AM local time. This flight is operated by American Airlines and is a seasonal service active in April, May, and June. An early departure like this can help you maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.)?
You'll typically find the most flights from Washington, DC (DCA-Ronald Reagan Washington National) to Harry Reid International Airport (LAS) on a Friday, with around 106 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, Southwest Airlines, and United Airlines. Fridays offer notably more flight options compared to other days of the week.
What are the most popular departure times for flights from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.)?
The most popular departure times for flights from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) are in the early morning, from 6am to 9am. Approximately 41% of passengers prefer this time window. Many major carriers, including American Airlines, United Airlines and Frontier Airlines, offer flights during this window. These early morning flights are popular because they allow you to arrive in Las Vegas with plenty of time to start your day.
How long does it take to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.)?
A nonstop flight from DCA to LAS typically takes around 5 hours 20 minutes, covering approximately 2,084 miles. Connecting flights on this route usually add 3 hours to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.)?
Select the "Business class" and "First class" filters when looking for DCA to LAS flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) flight with Expedia?
It's easy to earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Las Vegas from Ronald Reagan Washington National (DCA)?
If you're planning to travel to Las Vegas from Ronald Reagan Washington National (DCA), you can fly directly into Harry Reid International Airport (LAS) Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Love Field (DAL), Lambert-St. Louis Intl. (STL) before reaching Las Vegas. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) at the last minute?
Typically, booking a last minute flight from Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) flight and hotel package?
Securing a Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) flight and hotel package is usually 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 stays and then add flights, activities and car rentals 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, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.)?
If you booked your Washington, DC (DCA-Ronald Reagan Washington National) to Las Vegas, NV (LAS-Harry Reid Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, United
Return price
£219
Distance
3333 km
Average flight time
3 hours 51 mins

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