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Flights from Las Vegas to Washington D.C.

Cheapest airlines flights from Las Vegas to Washington D.C.

You can choose from 3 airlines that fly from Las Vegas to Washington D.C., including Frontier Airlines, United Airlines, and American Airlines. United Airlines has lowest fares on this route.
Frontier Airlines logo Frontier Airlines
United Airlines logo United Airlines
American Airlines logo American Airlines
Airlines are determined based on actual purchased flight tickets from Las Vegas to Washington D.C. according to previous 12 months data from Trip.com.

Search for direct flights from Las Vegas to Washington D.C. in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$134, and round-trip direct flights start at US$223.

      • Cheapest nonstop
        LAS 12:28
        4h 32m
        Nonstop
        DCA 20:00
        Las Vegas - Washington D.C. | Sat, Feb 28 | American Airlines
        DCA 07:00
        5h 31m
        Nonstop
        LAS 09:31
        Washington D.C. - Las Vegas | Wed, Mar 4 | American Airlines
        US$223 US$380
        41% off
        41% off
        US$380 US$223
      • LAS 08:41
        4h 27m
        Nonstop
        IAD 16:08
        Las Vegas - Washington D.C. | Mon, Mar 2 | United Airlines
        IAD 16:10
        9h 32m
        Nonstop
        LAS 22:42
        Washington D.C. - Las Vegas | Sat, Mar 7 | United Airlines
        US$353 US$380
        7% off
        7% off
        US$380 US$353
      • LAS 05:30
        8h 29m
        1 stop
        DCA 16:59
        Las Vegas - Washington D.C. | Sun, Mar 1 | Frontier Airlines
        DCA 08:00
        9h 6m
        1 stop
        LAS 14:06
        Washington D.C. - Las Vegas | Tue, Mar 3 | Frontier Airlines
        US$155 US$380
        59% off
        59% off
        US$380 US$155
      • LAS 00:59
        13h
        1 stop
        DCA 16:59
        Las Vegas - Washington D.C. | Sat, Feb 14 | Frontier Airlines
        DCA 08:00
        9h 30m
        1 stop
        LAS 14:30
        Washington D.C. - Las Vegas | Mon, Feb 16 | Frontier Airlines
        US$166
        56% off
        US$380 US$166
      • LAS 00:59
        13h
        1 stop
        DCA 16:59
        Las Vegas - Washington D.C. | Wed, Feb 11 | Frontier Airlines
        DCA 08:00
        9h 4m
        1 stop
        LAS 14:04
        Washington D.C. - Las Vegas | Mon, Feb 16 | Frontier Airlines
        US$177
        53% off
        US$380 US$177
      • LAS 00:59
        9h 16m
        1 stop
        DCA 13:15
        Las Vegas - Washington D.C. | Wed, Feb 25 | Frontier Airlines
        DCA 14:00
        12h 44m
        1 stop
        LAS 23:44
        Washington D.C. - Las Vegas | Sun, Mar 1 | Frontier Airlines
        US$179
        53% off
        US$380 US$179
      • LAS 00:59
        9h 1m
        1 stop
        DCA 13:00
        Las Vegas - Washington D.C. | Sat, Feb 28 | Frontier Airlines
        DCA 08:00
        18h 59m
        1 stop
        LAS 23:59
        Washington D.C. - Las Vegas | Thu, Mar 5 | Frontier Airlines
        US$194
        49% off
        US$380 US$194
      • LAS 06:00
        7h 59m
        1 stop
        DCA 16:59
        Las Vegas - Washington D.C. | Tue, Mar 31 | Frontier Airlines
        DCA 18:00
        8h 42m
        1 stop
        LAS 23:42
        Washington D.C. - Las Vegas | Sun, Apr 5 | Frontier Airlines
        US$194
        49% off
        US$380 US$194
      • LAS 18:40
        15h 35m
        1 stop
        DCA 13:15
        Las Vegas - Washington D.C. | Tue, Mar 3 | Frontier Airlines
        DCA 18:00
        8h 40m
        1 stop
        LAS 23:40
        Washington D.C. - Las Vegas | Sun, Mar 8 | Frontier Airlines
        US$198
        48% off
        US$380 US$198
      • LAS 07:05
        7h 52m
        1 stop
        IAD 17:57
        Las Vegas - Washington D.C. | Fri, Feb 27 | Frontier Airlines
        IAD 11:15
        7h 52m
        1 stop
        LAS 16:07
        Washington D.C. - Las Vegas | Mon, Mar 2 | Frontier Airlines
        US$217
        43% off
        US$380 US$217
      • LAS 05:30
        8h 29m
        1 stop
        DCA 16:59
        Las Vegas - Washington D.C. | Sat, Feb 21 | Frontier Airlines
        DCA 08:00
        9h 6m
        1 stop
        LAS 14:06
        Washington D.C. - Las Vegas | Thu, Feb 26 | Frontier Airlines
        US$219
        42% off
        US$380 US$219
      • LAS 23:03
        29h 21m
        1 stop
        IAD 07:24
        Las Vegas - Washington D.C. | Fri, Mar 6 | Frontier Airlines
        DCA 18:00
        8h 40m
        1 stop
        LAS 23:40
        Washington D.C. - Las Vegas | Tue, Mar 10 | Frontier Airlines
        US$220
        42% off
        US$380 US$220
      • LAS 13:00
        17h 25m
        1 stop
        WAS Invalid Date
        Las Vegas - Washington D.C. | Thu, Feb 12 | Normal Airline
        WAS 15:00
        6h
        Nonstop
        LAS 16:00
        Washington D.C. - Las Vegas | Sat, Feb 14 | Normal Airline
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      • Cheapest nonstop
        LAS 13:55
        4h 25m
        Nonstop
        IAD 21:20
        Las Vegas - Washington D.C. | Wed, Mar 4 | United Airlines
        US$134 US$145
        8% off
        8% off
        US$145 US$134
      • LAS 08:41
        4h 27m
        Nonstop
        IAD 16:08
        Las Vegas - Washington D.C. | Tue, Mar 3 | United Airlines
        US$134 US$145
        8% off
        8% off
        US$145 US$134
      • LAS 00:59
        9h 6m
        1 stop
        DCA 13:05
        Las Vegas - Washington D.C. | Tue, Feb 24 | Frontier Airlines
        US$73 US$145
        50% off
        50% off
        US$145 US$73
      • LAS 00:59
        9h 1m
        1 stop
        DCA 13:00
        Las Vegas - Washington D.C. | Sat, Feb 28 | Frontier Airlines
        US$74
        49% off
        US$145 US$74
      • LAS 23:59
        7h 34m
        1 stop
        IAD 10:33
        Las Vegas - Washington D.C. | Wed, Feb 25 | Frontier Airlines
        US$74
        49% off
        US$145 US$74
      • LAS 00:59
        9h 16m
        1 stop
        DCA 13:15
        Las Vegas - Washington D.C. | Wed, Feb 18 | Frontier Airlines
        US$75
        48% off
        US$145 US$75
      • LAS 05:30
        28h 30m
        1 stop
        DCA 13:00
        Las Vegas - Washington D.C. | Fri, Feb 20 | Frontier Airlines
        US$78
        46% off
        US$145 US$78
      • LAS 07:05
        7h 52m
        1 stop
        IAD 17:57
        Las Vegas - Washington D.C. | Thu, Feb 26 | Frontier Airlines
        US$78
        46% off
        US$145 US$78
      • LAS 00:59
        14h 26m
        1 stop
        IAD 18:25
        Las Vegas - Washington D.C. | Sun, Feb 22 | Frontier Airlines
        US$78
        46% off
        US$145 US$78
      • LAS 15:16
        24h 43m
        1 stop
        DCA 18:59
        Las Vegas - Washington D.C. | Tue, Feb 17 | Frontier Airlines
        US$88
        39% off
        US$145 US$88
      • LAS 06:00
        12h 59m
        1 stop
        DCA 21:59
        Las Vegas - Washington D.C. | Tue, Mar 24 | Frontier Airlines
        US$89
        39% off
        US$145 US$89
      • LAS 18:40
        15h 35m
        1 stop
        DCA 13:15
        Las Vegas - Washington D.C. | Mon, Mar 2 | Frontier Airlines
        US$89
        39% off
        US$145 US$89
      • LAS 13:00
        17h 25m
        1 stop
        WAS Invalid Date
        Las Vegas - Washington D.C. | Thu, Feb 12 | Normal Airline
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Displayed flight fares from Las Vegas to Washington D.C. are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Las Vegas to Washington D.C. Flight Details

The distance between Las Vegas and Washington D.C. is about 3,354.7 km. The average flying time from Las Vegas to Washington D.C. is around 4 hours 54 minutes. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is August.

Cheapest one-way flight priceUS$73
Cheapest return ticket priceUS$155
Cheapest monthAugust
Peak season for travelJuly
Flight distance3,354.7 km
Average flight time4 hours 54 minutes
Popular airlineFrontier Airlines
Flight statistics for the Las Vegas–Washington D.C. route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Las Vegas to Washington D.C.

Which month has the cheapest one-way flights from Las Vegas to Washington D.C.?

The average price of one-way flights from Las Vegas to Washington D.C. purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Las Vegas to Washington D.C. is Jun, with an average price of US$171; while the month with the highest flight price is usually Feb, with an average price of up to US$491.

US$491
US$331
US$171
US$11
    Cheapest
  • US$491
    Feb
  • US$195
    Mar
  • US$230
    Apr
  • US$177
    May
  • US$171
    Jun
  • US$211
    Jul
  • US$179
    Aug
  • US$209
    Sep
  • US$266
    Oct
  • US$368
    Nov
  • US$284
    Dec
  • US$226
    Jan

What is the cheapest day of the week to fly from Las Vegas to Washington D.C.?

Average weekly flight prices from Las Vegas to Washington D.C. by travel date (Based on Trip.com’s past 12 months of data)

Based on Trip.com’s past 12 months of flight data, the cheapest day to fly from Las Vegas to Washington D.C. is Wed, with average prices lower than on other days. Avoid Sun, as prices are usually highest then.

US$359
US$275
US$191
US$107
    Cheapest
  • US$253
    Mon
  • US$202
    Tue
  • US$191
    Wed
  • US$193
    Thu
  • US$238
    Fri
  • US$207
    Sat
  • US$359
    Sun

Frequently Asked Questions

  • What are the cheapest flights from Las Vegas to Washington D.C. (LAS-WAS)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as US$73 on Cheapest nonstop routes (e.g. LAS to DCA on Tue, Feb 24), while Frontier Airlines offers Cheapest nonstop round-trips from US$155 departing on Sun, Mar 1 and returning on Tue, Mar 3.
  • At the moment, you can catch a nonstop flight from Las Vegas to Washington D.C. with the following airlines, including: United Airlines Frontier Airlines American Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 4 hours 54 minutes to fly from Las Vegas to Washington D.C..
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Las Vegas to Washington D.C. is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 26 flight per week flying from Las Vegas to Washington D.C.. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA2382 (14:00) American Airlines: S/M/T/-/-/-/- -- AA2859 (13:24)
  • To find best deals on flights from Las Vegas to Washington D.C., you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Feb 24, with one-way flights priced at just US$73.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Washington D.C. travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Las Vegas to Washington D.C. is August, when demand for travel is lower.
  • After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Las Vegas to Washington D.C. on February 28, 2026 with Frontier Airlines, with prices starting at US$58.
  • You can land at any one of the following hubs in Washington D.C., with Harry Reid International Airport to Ronald Reagan Washington National Airport (LAS-DCA) is by far the most common option on this route: Ronald Reagan Washington National Airport (DCA) Dulles International Airport (IAD).
  • The time difference between Washington D.C. and Las Vegas is 3h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Trip.com Airline Insights on Flights from Las Vegas to Washington D.C.

Which airline offers the cheapest direct flights from Las Vegas to Washington D.C.?

Data is based on the average price of all nonstop flights from Las Vegas to Washington D.C. on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Alaska Airlines provides the lowest-priced direct flights from Las Vegas to Washington D.C., with fares starting at US$142.

US$76
US$142
US$209
US$275
US$341
Alaska Airlines
US$142
Alaska Airlines
Frontier Airlines
US$156
Frontier Airlines
Delta Air Lines
US$163
Delta Air Lines
American Airlines
US$286
American Airlines
United Airlines
US$341
United Airlines

Which airline operates the most flights from Las Vegas to Washington D.C.?

Total flights from Las Vegas to Washington D.C. across all airlines. (Based on Trip.com data from the past month)

Based on Trip.com’s data from the past month, United Airlines operates the most frequent flights from Las Vegas to Washington D.C., with 26 flights per week.

0
5
16
26
United Airlines
26
United Airlines
Brussels Airlines
7
Brussels Airlines
American Airlines
7
American Airlines
Ethiopian Airlines
6
Ethiopian Airlines
Austrian Airlines
5
Austrian Airlines

How many flights fly from Las Vegas to Washington D.C. daily?

The data is based on the flight numbers for each day of the week from Las Vegas to Washington D.C. within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from Las Vegas to Washington D.C. is the highest on Friday and the lowest on Tuesday.

42
30
17
5
Highest
33
Mon
17
Tue
28
Wed
30
Thu
42
Fri
35
Sat
31
Sun

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