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Cheap Flights from Las Vegas (LAS) to Washington D.C. (WASA)

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      Compare Harry Reid International to Washington D.C. flight deals

      Find the cheapest month or even day of the year to fly to Washington D.C.

      Book the best Washington D.C. fare with no extra fees

      Flight deals from Harry Reid International to Washington D.C.

      Looking for a cheap last-minute deal or the best return flight from Harry Reid International Airport to Washington D.C.? If you want to travel next month, return fares start from $233. Find the lowest prices on one-way and return tickets right here.
      Washington D.C..$171 per passenger.Departing Wed, 30 Sep, returning Tue, 6 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Harry Reid International on Wed, 30 Sep, arriving in Washington Dulles.Inbound direct flight with Frontier Airlines departs from Washington Dulles on Tue, 6 Oct, arriving in Harry Reid International.Price includes taxes and charges.From $171, select.
      Washington D.C..$233 per passenger.Departing Sat, 3 Oct, returning Tue, 6 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Harry Reid International on Sat, 3 Oct, arriving in Washington Dulles.Inbound direct flight with Frontier Airlines departs from Washington Dulles on Tue, 6 Oct, arriving in Harry Reid International.Price includes taxes and charges.From $233, select.
      Washington D.C..$305 per passenger.Departing Fri, 30 Oct, returning Tue, 3 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Fri, 30 Oct, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Tue, 3 Nov, arriving in Harry Reid International.Price includes taxes and charges.From $305, select.
      Washington D.C..$336 per passenger.Departing Mon, 9 Nov, returning Sat, 14 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Mon, 9 Nov, arriving in Washington Dulles.Inbound indirect flight with Frontier Airlines, departs from Washington Dulles on Sat, 14 Nov, arriving in Harry Reid International.Price includes taxes and charges.From $336, select.
      Washington D.C..$373 per passenger.Departing Tue, 8 Dec, returning Tue, 15 Dec.Return flight with United.Outbound indirect flight with United, departs from Harry Reid International on Tue, 8 Dec, arriving in Baltimore Washington International.Inbound indirect flight with United, departs from Baltimore Washington International on Tue, 15 Dec, arriving in Harry Reid International.Price includes taxes and charges.From $373, select.
      Washington D.C..$377 per passenger.Departing Wed, 23 Sep, returning Thu, 24 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Wed, 23 Sep, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Thu, 24 Sep, arriving in Harry Reid International.Price includes taxes and charges.From $377, select.
      Washington D.C..$438 per passenger.Departing Wed, 9 Sep, returning Sat, 12 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Harry Reid International on Wed, 9 Sep, arriving in Washington Dulles.Inbound direct flight with Frontier Airlines departs from Washington Dulles on Sat, 12 Sep, arriving in Harry Reid International.Price includes taxes and charges.From $438, select.
      Washington D.C..$447 per passenger.Departing Thu, 31 Dec, returning Fri, 8 Jan.Return flight with American Airlines.Outbound indirect flight with American Airlines, departs from Harry Reid International on Thu, 31 Dec, arriving in Baltimore Washington International.Inbound indirect flight with American Airlines, departs from Baltimore Washington International on Fri, 8 Jan, arriving in Harry Reid International.Price includes taxes and charges.From $447, select.
      Washington D.C..$503 per passenger.Departing Wed, 25 Nov, returning Wed, 2 Dec.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Harry Reid International on Wed, 25 Nov, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Wed, 2 Dec, arriving in Harry Reid International.Price includes taxes and charges.From $503, select.
      Washington D.C..$522 per passenger.Departing Wed, 25 Nov, returning Sun, 29 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Harry Reid International on Wed, 25 Nov, arriving in Washington Dulles.Inbound direct flight with Frontier Airlines departs from Washington Dulles on Sun, 29 Nov, arriving in Harry Reid International.Price includes taxes and charges.From $522, select.
      Washington D.C..$561 per passenger.Departing Sat, 31 Oct, returning Wed, 4 Nov.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Harry Reid International on Sat, 31 Oct, arriving in Washington Ronald Reagan.Inbound direct flight with Southwest Airlines departs from Washington Ronald Reagan on Wed, 4 Nov, arriving in Harry Reid International.Price includes taxes and charges.From $561, select.
      Washington D.C..$563 per passenger.Departing Wed, 2 Dec, returning Sat, 12 Dec.Return flight with United.Outbound direct flight with United departs from Harry Reid International on Wed, 2 Dec, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sat, 12 Dec, arriving in Harry Reid International.Price includes taxes and charges.From $563, select.
      Washington D.C..$565 per passenger.Departing Wed, 25 Nov, returning Wed, 2 Dec.Return flight with United.Outbound direct flight with United departs from Harry Reid International on Wed, 25 Nov, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Wed, 2 Dec, arriving in Harry Reid International.Price includes taxes and charges.From $565, select.
      Washington D.C..$577 per passenger.Departing Tue, 15 Jun, returning Fri, 18 Jun.Return flight with United.Outbound indirect flight with United, departs from Harry Reid International on Tue, 15 Jun, arriving in Baltimore Washington International.Inbound indirect flight with United, departs from Baltimore Washington International on Fri, 18 Jun, arriving in Harry Reid International.Price includes taxes and charges.From $577, select.
      Washington D.C..$593 per passenger.Departing Tue, 23 Mar, returning Tue, 6 Apr.Return flight with United.Outbound indirect flight with United, departs from Harry Reid International on Tue, 23 Mar, arriving in Washington Ronald Reagan.Inbound indirect flight with United, departs from Washington Ronald Reagan on Tue, 6 Apr, arriving in Harry Reid International.Price includes taxes and charges.From $593, select.
      Washington D.C..$613 per passenger.Departing Sat, 20 Feb, returning Thu, 25 Feb.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Harry Reid International on Sat, 20 Feb, arriving in Washington Ronald Reagan.Inbound direct flight with Southwest Airlines departs from Washington Ronald Reagan on Thu, 25 Feb, arriving in Harry Reid International.Price includes taxes and charges.From $613, select.

      Find the cheapest month to fly from Harry Reid International to Washington D.C.

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Harry Reid International to Washington D.C. flights are currently cheapest in October.
      Sep
      from $377
      Oct
      from $233
      Nov
      from $336
      Dec
      from $373
      Jan
      from $673
      Feb
      from $613
      Mar
      from $681
      Apr
      from $696
      May
      from $757
      Jun
      from $577
      Jul
      Find prices
      Aug
      Find prices

      Direct flights from Harry Reid International to Washington D.C.

      American Airlines
      Austrian Airlines
      Brussels Airlines
      Ethiopian Airlines
      Frontier Airlines
      ITA Airways
      Qantas
      Southwest Airlines
      United
      Volaris

      Alternative Harry Reid International to Washington D.C. routes

      Looking for the cheapest, fastest or easiest route from Harry Reid International to Washington D.C.? You could fly into the following airports instead.

      Washington Ronald Reagan

      5km from central Washington D.C.
      Closest
      from $413
      Search flights

      Washington Dulles

      37km from central Washington D.C.
      Cheapest
      from $171
      Search flights

      Baltimore Washington International

      44km from central Washington D.C.
      from $305
      Search flights

      Las Vegas to Washington D.C.: Flight information

      The things to know before you go.
      Cheapest flight found$171
      Cheapest month to flySeptember
      Average flight time4 hrs, 31 mins
      Most popular airlineSouthwest Airlines
      Average flights per week156

      Finding cheap flights from Harry Reid International to Washington D.C.: Frequently asked questions

      There are 3 airports in Washington D.C.: Washington Ronald Reagan, Washington Dulles and Baltimore Washington International.
      The best price we found for a return flight from Harry Reid International to Washington D.C. is $171. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      4 hours and 31 minutes is the average flight time from Harry Reid International to Washington D.C..
      Southwest Airlines, United and American Airlines fly direct from Harry Reid International to Washington D.C..
      As of September 2026, there are 156 flights per week flying from Harry Reid International to Washington D.C..
      The cheapest month to fly from Harry Reid International to Washington D.C. is usually September.
      If you're flying from Harry Reid International Airport, the cheapest airport near Washington D.C. is Washington Dulles – which is 36.6 km away from the centre of Washington D.C.. We've found flights into this airport from $171.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Harry Reid International Airport to Washington D.C. on Wednesday, 30 September 2026.
      Yes – the average flight time is 4 hours and 31 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington D.C. but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.

      In September, the average temperature is usually around 22°C. July is typically the warmest month in Washington D.C., when it usually averages around 32°C. You can expect the least rain in November. The coldest month is January, with temperatures averaging -1°C. The rainiest month is July.
      Currently, Frontier Airlines offers the cheapest flight tickets to Washington D.C..

      Flying from Harry Reid Airport (formerly McCarran Airport) (LAS) to Washington DC: what you need to know

      • Around 5 hours 10 minutes is how long you can expect to be travelling on a direct flight from Harry Reid Airport (formerly McCarran Airport) to Washington DC.

      • Washington DC is three hours ahead of Las Vegas, where Harry Reid Airport (formerly McCarran Airport) is located. Washington DC follows the UTC-4 timezone.

      • Harry Reid Airport (formerly McCarran Airport) (LAS) to Washington Dulles International Airport (IAD) is the most traveled route, with 25 weekly departures to pick from. If you have things to finalize before heading off, the last flight from LAS to IAD is with United Airlines at 23:55. Opt for the first departure with United Airlines at 07:00 if you want to fly out earlier.

      • For hassle-free travel, arrive at the airport two hours ahead of international flights and one hour before domestic departures. That way, you won't have to rush to catch your LAS to Washington DC flight.

      • Flying over a peak time like October? School holidays and other popular periods can mean longer queues and delays at check-in and security. Play it safe and arrive up to four hours ahead of international flights and two hours before a domestic departure.

      • Book a direct Harry Reid Airport (formerly McCarran Airport) to Washington DC ticket and make your trip as simple as possible. LAS offers nonstop flights to these Washington DC airports:

        • Ronald Reagan National Airport (DCA)

        • Washington Dulles International Airport (IAD)

        • Baltimore/Wash International Thurgood Marshall Airport (BWI)

      • Direct flights from Harry Reid Airport (formerly McCarran Airport) to Washington DC are offered by a variety of airlines. Book your seat with any of these:

      • LAS is about 10 kilometres from central Las Vegas. If you're ride-sharing, driving or catching a taxi from the centre, it'll take you 15 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the journey time to be around 1 hour.

      • Want a stress-free start to your trip? Stay near LAS. Whether you're taking an early flight from Harry Reid Airport (formerly McCarran Airport) to Washington DC or just don't want to be rushed, these hotels are worth a look:

      • Harry Reid Airport (formerly McCarran Airport) has an excellent on-time performance, so you're less likely to experience disruptions. Departures from LAS touch down on schedule 82.07% of the time.

      • The address for LAS is 5757 Wayne Newton Boulevard.

      How to find the cheapest flights from Harry Reid Airport (formerly McCarran Airport) (LAS) to Washington DC

      • $148 is currently the lowest price for a one-way Harry Reid Airport (formerly McCarran Airport) to Washington DC flight. A return plane ticket starts at $171. These prices can change based on demand and availability.

      • Score cheap flights from LAS to Washington DC by booking two months ahead. Based on our research, that's the sweet spot for bagging a bargain.

      • Organise your trip for June. That's the best month for scoring an incredible deal on Harry Reid Airport (formerly McCarran Airport) to Washington DC tickets. If you're open to different travel dates, use the 'Whole month' tool to find the lowest price across every month.

      • Never miss a deal on cheap flights from LAS to Washington DC by setting up a Price Alert. You'll receive an email or push notification on the app when a lower fare pops up.

      • Select your preferred departure and arrival times, airlines and number of stops with our filters. Then, sort the results for your flight from Harry Reid Airport (formerly McCarran Airport) to Washington DC by 'Cheapest,' 'Fastest' or 'Best.'

      Airports in Washington DC

      Ronald Reagan National Airport (DCA)

      • Ronald Reagan National Airport (DCA) to the centre of Washington DC takes around 15 minutes by car. The centre is roughly 8 kilometres away.

      • Getting to the centre by public transport takes around 45 minutes.

      • If you're arriving on a late flight from Harry Reid Airport (formerly McCarran Airport) to Washington DC, few things beat the convenience of staying near the terminal. Grab your luggage from the carousel and then be showered and relaxing soon after at one of these accommodation options near DCA:

      • Fast-track your adventure by picking up a Ronald Reagan National Airport rental car. Grab a set of wheels from Thrifty, Sixt or Dollar and explore beyond Washington DC's main sights.

      • Lock in the best deal by booking your ride from Ronald Reagan National Airport about four weeks in advance of your flight from LAS to Washington DC.

      • You'll find DCA at 1 Aviation Circle.

      Washington Dulles International Airport (IAD)

      • Washington Dulles International Airport (IAD) is around 56 kilometres from the centre of Washington DC. Following your flight from Harry Reid Airport (formerly McCarran Airport) to Washington DC, it'll take you around 50 minutes to get to the heart of the city in a cab or ride-share.

      • Public transport will get you there in about 1 hour 10 minutes.

      • There are some great places to call home for the night near IAD. Settle in and get cosy after your LAS to Washington DC flight at one of these well-located options:

      • Dollar, Thrifty and Sixt make collecting a Washington Dulles International Airport rental car simple. These companies are located in or around the terminal and will have you on the road before long.

      • Avoid potential price surges. Reserving your ride one week ahead of your arrival at IAD will save you money.

      • You'll find Washington Dulles International Airport at 1 Saarinen Circle.

      Baltimore/Wash International Thurgood Marshall Airport (BWI)

      • Baltimore/Wash International Thurgood Marshall Airport (BWI) is about 48 kilometres from central Washington DC. It takes about 50 minutes to get to the city centre by car after your flight from Harry Reid Airport (formerly McCarran Airport) to Washington DC.

      • If you go by public transport, the journey time is about 1 hour 30 minutes.

      • Enjoy a restful, unhurried start to your trip by choosing a hotel near BWI after your LAS to Washington DC flight. Rest up after a long day of travel or simply give yourself time to find your footing in a new place at:

      • Stay in control of the next part of your trip with a Baltimore/Wash International Thurgood Marshall Airport rental car. Dollar, Thrifty and Budget are dependable companies for booking.

      • If you're after a specific model or make, lock in your ride from BWI about two weeks ahead of your flight from Harry Reid Airport (formerly McCarran Airport) to Washington DC. This gives you a better shot at getting your preferred car, as well as a better price.

      Best time to go to Washington DC

      • Plan your trip to Washington DC during peak season if you like a busy atmosphere, but remember that prices may be higher. Alternatively, book flights from Harry Reid Airport (formerly McCarran Airport) to Washington DC in the off-season when prices are cheaper and it's quieter.

      • When booking your Harry Reid Airport (formerly McCarran Airport) to Washington DC plane ticket, think about the kind of weather forecast you're hoping for. July is the warmest month in Washington DC, with temperatures ranging from 19ºC (66ºF) to 33ºC (91ºF).

      • Look for cheap tickets from LAS to Washington DC in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -6ºC (21ºF) and 10ºC (50ºF) on average.

      More about Washington DC

      Explore more of United States

      • You've seen Washington DC, now it's time to discover other parts of United States. Journey around 322 kilometres north-east to New York to tick off its top attractions. From Statue of Liberty to Central Park and Empire State Building, your itinerary will be busy.

      • Philadelphia is another must-experience destination in United States and is around 193 kilometres north-east of Washington DC. No trip is complete without seeing Liberty Bell, Independence Hall and Philadelphia Museum of Art.

      Plan smart, explore more

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      Plan the rest of your trip from Las Vegas to Washington D.C.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.