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Cheap flights from Las Vegas to Washington, D.C. from £63

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — WAS
20 Jul — 27 Jul1
1 adult

Cheap flight deals from Las Vegas to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 July 2025.

Round-trip from

£118

One-way from

£63

Popular in

December

Cheapest in

August

Average price

£209
Southwest
  • Southwest
  • 15/8-23/8
  • Nonstop
  • 9h 35m total
  • Las Vegas to Washington, D.C.
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American Airlines
  • American Airlines
  • 19/11
  • Nonstop
  • 4h 30m total
  • Las Vegas to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£25 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Find flight deals from Las Vegas to Washington, D.C.

Cheapest flights from Las Vegas to Washington, D.C.
Explore the most affordable flight options available from Las Vegas to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 July 2025.

Fri 15/809:20LAS - DCA
Nonstop4h 35mSouthwest
Sat 23/806:05DCA - LAS
Nonstop5h 00mSouthwest
Deal found 13/7£118
Thu 14/808:30LAS - IAD
Nonstop4h 37mUnited Airlines
Sat 23/819:59IAD - LAS
Nonstop4h 59mUnited Airlines
Deal found 14/7£118
Wed 27/810:17LAS - DCA
1 stop8h 42mHawaiian Airlines
Mon 1/909:59DCA - LAS
1 stop9h 35mHawaiian Airlines
Deal found 13/7£149
Wed 6/807:00LAS - IAD
1 stop8h 59mHawaiian Airlines
Mon 11/817:25IAD - LAS
1 stop8h 34mHawaiian Airlines
Deal found 15/7£149
Wed 27/810:17LAS - DCA
1 stop8h 42mAlaska Airlines
Mon 1/909:59DCA - LAS
1 stop9h 35mAlaska Airlines
Deal found 15/7£149
Thu 7/808:30LAS - IAD
1 stop7h 49mAlaska Airlines
Mon 11/817:25IAD - LAS
1 stop8h 34mAlaska Airlines
Deal found 15/7£149
Wed 13/807:10LAS - DCA
1 stop7h 10mDelta
Sat 16/816:05DCA - LAS
1 stop7h 38mDelta
Deal found 13/7£191
Wed 30/713:11LAS - IAD
1 stop7h 05mDelta
Sat 9/817:46IAD - LAS
1 stop7h 25mDelta
Deal found 13/7£191
Fri 8/818:30LAS - IAD
1 stop14h 31mSun Country Air
Mon 11/820:50IAD - LAS
1 stop18h 34mSun Country Air
Deal found 15/7£197
Mon 25/821:25LAS - DCA
1 stop7h 38mJetBlue
Sat 30/817:10DCA - LAS
1 stop8h 28mJetBlue
Deal found 14/7£204
Fri 29/820:59LAS - IAD
2 stops16h 31mFrontier
Fri 5/910:12IAD - LAS
1 stop14h 19mFrontier
Deal found 15/7£217
Thu 7/811:55LAS - IAD
1 stop7h 55mSouthwest
Sun 10/807:40IAD - LAS
2 stops7h 50mSouthwest
Deal found 15/7£224

Cheapflights Fare Finder

Customise your flight search to find flights from Las Vegas to Washington, D.C. 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, Cheapflights users made 858,174 searches. Data last updated 15 July 2025.
Use the filters below to find and compare flights from Las Vegas to Washington, D.C. that are best for you.

Fly from

Las Vegas

Fly to

Washington, D.C.

Route

Depart

Return

Price

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Fri 15/8

09:20-16:55

Nonstop4h 35m

Washington, D.C. Reagan-National

Sat 23/8

06:05-08:05

Nonstop5h 00m

£118

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Thu 14/8

08:30-16:07

Nonstop4h 37m

Washington, D.C. Dulles Intl

Sat 23/8

19:59-21:58

Nonstop4h 59m

£118

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Wed 27/8

10:17-21:59

1 stop8h 42m

Washington, D.C. Reagan-National

Mon 1/9

09:59-16:34

1 stop9h 35m

£149

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Wed 6/8

07:00-18:59

1 stop8h 59m

Washington, D.C. Dulles Intl

Mon 11/8

17:25-22:59

1 stop8h 34m

£149

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Wed 27/8

10:17-21:59

1 stop8h 42m

Washington, D.C. Reagan-National

Mon 1/9

09:59-16:34

1 stop9h 35m

£149

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Thu 7/8

08:30-19:19

1 stop7h 49m

Washington, D.C. Dulles Intl

Mon 11/8

17:25-22:59

1 stop8h 34m

£149

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Wed 13/8

07:10-17:20

1 stop7h 10m

Washington, D.C. Reagan-National

Sat 16/8

16:05-20:43

1 stop7h 38m

£191

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Wed 30/7

13:11-23:16

1 stop7h 05m

Washington, D.C. Dulles Intl

Sat 9/8

17:46-22:11

1 stop7h 25m

£191

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Fri 8/8

18:30-12:01

1 stop14h 31m

Washington, D.C. Dulles Intl

Mon 11/8

20:50-12:24

1 stop18h 34m

£197

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Mon 25/8

21:25-08:03

1 stop7h 38m

Washington, D.C. Reagan-National

Sat 30/8

17:10-22:38

1 stop8h 28m

£204

Flights are sorted by cheapest return flights first.

Deals found on 15/7

Showing 1-10 of 29 results
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Best time to book a flight from Las Vegas to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Las Vegas with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Las Vegas to Washington, D.C.

How far ahead should I book a flight from Las Vegas to Washington, D.C.?

Use this chart to determine the optimal time to book a return flight from Las Vegas to Washington, D.C.. Price data was last updated on 11 July 2025.

The price you pay for your flight from Las Vegas to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 74 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Las Vegas to Washington, D.C.?

Currently, January is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. (average of £599). Flying from Las Vegas to Washington, D.C. in July is currently the most expensive (average of £947). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LAS to WAS?

Find hourly flight availability from Las Vegas to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 July 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Las Vegas to Washington, D.C. as you normally would.

Weekly flight availability from Las Vegas to Washington, D.C.

Explore weekly flight availability from Las Vegas to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 15 July 2025.

The most flights from LAS to WAS are scheduled on a Monday (12 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (8 on average).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated 15 July 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, andDelta from Las Vegas to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very Good
10,000 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Southwest
8.0
Very Good
4,242 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very Good
7,957 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Hawaiian Airlines
7.8
Good
2,578 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
United Airlines
7.4
Good
8,863 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Las Vegas to Washington, D.C.?

    Located just 6.2 mi from the city center, Las Vegas Harry Reid Intl is the airport most travelers will use when flying to Washington, D.C. from Las Vegas. Booking flights from Harry Reid Intl (LAS) to Washington, D.C. should be relatively easy as there are 10 daily outbound flights to Washington, D.C. from 0 different airlines.

  • What are the cheapest airlines flying from Las Vegas to Washington, D.C. round-trip?

    According to our current data, Southwest (£118), United Airlines (£118), and Hawaiian Airlines (£149) offers the cheapest pricing from Las Vegas to Washington, D.C.. Southwest is priced at 52% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Las Vegas to Washington, D.C. one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at £63. United Airlines flights start at £67 while deals on Hawaiian Airlines start at £68 one-way.

  • What are the most reliable airlines from Las Vegas to Washington, D.C.?

    Consider Austrian Airlines (87%), Brussels Airlines (87%) or United Airlines (86%) when booking your flight. These represent the most reliable airlines when flying from Las Vegas to Washington, D.C..

  • Can I find deals for flights from Las Vegas to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Las Vegas to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Las Vegas to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Washington, D.C..

  • Can I find deals for business class flights from Las Vegas to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Las Vegas to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Las Vegas to Washington, D.C.?

    Currently, January is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. (average of £599). Flying from Las Vegas to Washington, D.C. in July is currently the most expensive (average of £947). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Arlington
Woodbridge
College Park
Laurel
Tysons

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Can Cheapflights notify me if prices for flights from Las Vegas to Washington, D.C. become cheaper?

Yes, Cheapflights offers price alerts on Las Vegas to Washington, D.C. flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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