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Dulles International Airport to Harry Reid International Airport flight

Explore the cheapest one-way and round-trip flights from Dulles International Airport to Harry Reid International Airport over the next 90 days, with one-way fares from £62 and round-trip from £117. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        IAD 06:00
        5h 4m
        Nonstop
        LAS 08:04
        Washington D.C. - Las Vegas | Tue, Oct 20 | Frontier Airlines
        LAS 22:43
        4h 37m
        Nonstop
        IAD 06:20
        Las Vegas - Washington D.C. | Sat, Oct 24 | Frontier Airlines
        £117 £253
        54% off
        54% off
        £253 £117
      • IAD 06:00
        5h 4m
        Nonstop
        LAS 08:04
        Washington D.C. - Las Vegas | Wed, Oct 21 | Frontier Airlines
        LAS 22:43
        4h 37m
        Nonstop
        IAD 06:20
        Las Vegas - Washington D.C. | Sat, Oct 24 | Frontier Airlines
        £128 £253
        49% off
        49% off
        £253 £128
      • IAD 06:00
        5h 4m
        Nonstop
        LAS 08:04
        Washington D.C. - Las Vegas | Thu, Oct 22 | Frontier Airlines
        LAS 22:43
        4h 37m
        Nonstop
        IAD 06:20
        Las Vegas - Washington D.C. | Mon, Oct 26 | Frontier Airlines
        £146 £253
        42% off
        42% off
        £253 £146
      • IAD 13:09
        5h 22m
        Nonstop
        LAS 15:31
        Washington D.C. - Las Vegas | Tue, Nov 24 | Frontier Airlines
        LAS 21:47
        4h 23m
        Nonstop
        IAD 05:10
        Las Vegas - Washington D.C. | Thu, Nov 26 | Frontier Airlines
        £161
        36% off
        £253 £161
      • IAD 06:00
        5h 4m
        Nonstop
        LAS 08:04
        Washington D.C. - Las Vegas | Wed, Oct 14 | Frontier Airlines
        LAS 22:43
        4h 37m
        Nonstop
        IAD 06:20
        Las Vegas - Washington D.C. | Tue, Oct 20 | Frontier Airlines
        £170
        33% off
        £253 £170
      • IAD 13:38
        13h 14m
        1 stop
        LAS 23:52
        Washington D.C. - Las Vegas | Sat, Oct 17 | Frontier Airlines
        LAS 22:46
        4h 34m
        Nonstop
        IAD 06:20
        Las Vegas - Washington D.C. | Thu, Oct 22 | Frontier Airlines
        £128
        49% off
        £253 £128
      • IAD 12:31
        13h 37m
        1 stop
        LAS 23:08
        Washington D.C. - Las Vegas | Tue, Oct 27 | Frontier Airlines
        LAS 07:20
        6h 52m
        1 stop
        IAD 17:12
        Las Vegas - Washington D.C. | Sat, Oct 31 | Frontier Airlines
        £147
        42% off
        £253 £147
      • IAD 07:02
        9h 23m
        1 stop
        LAS 13:25
        Washington D.C. - Las Vegas | Tue, Oct 27 | Alaska Airlines
        LAS 07:20
        6h 52m
        1 stop
        IAD 17:12
        Las Vegas - Washington D.C. | Sat, Oct 31 | Frontier Airlines
        £152
        40% off
        £253 £152
      • IAD 09:38
        11h 31m
        1 stop
        LAS 18:09
        Washington D.C. - Las Vegas | Sat, Oct 31 | Alaska Airlines
        LAS 07:20
        6h 52m
        1 stop
        IAD 17:12
        Las Vegas - Washington D.C. | Wed, Nov 4 | Frontier Airlines
        £160
        37% off
        £253 £160
      • IAD 13:09
        5h 22m
        Nonstop
        LAS 15:31
        Washington D.C. - Las Vegas | Fri, Nov 27 | Frontier Airlines
        LAS 23:43
        8h 28m
        1 stop
        IAD 11:11
        Las Vegas - Washington D.C. | Tue, Dec 1 | Frontier Airlines
        £163
        36% off
        £253 £163
      • IAD 08:13
        7h 5m
        1 stop
        LAS 12:18
        Washington D.C. - Las Vegas | Tue, Oct 27 | Delta Air Lines
        LAS 07:20
        6h 52m
        1 stop
        IAD 17:12
        Las Vegas - Washington D.C. | Sat, Oct 31 | Frontier Airlines
        £173
        32% off
        £253 £173
      • IAD 13:09
        5h 22m
        Nonstop
        LAS 15:31
        Washington D.C. - Las Vegas | Thu, Nov 26 | Frontier Airlines
        LAS 21:09
        12h 39m
        1 stop
        DCA 12:48
        Las Vegas - Washington D.C. | Tue, Dec 1 | Frontier Airlines
        £177
        30% off
        £253 £177
      • WAS 13:00
        17h 25m
        1 stop
        LAS 14:00
        Washington D.C. - Las Vegas | Mon, Oct 5 | Normal Airline
        LAS 15:00
        6h
        Nonstop
        WAS 16:00
        Las Vegas - Washington D.C. | Wed, Oct 7 | Normal Airline
        More cheap flights
        More cheap flights
      • Cheapest nonstop
        IAD 06:00
        4h 58m
        Nonstop
        LAS 07:58
        Washington D.C. - Las Vegas | Tue, Oct 6 | Frontier Airlines
        £62 £130
        52% off
        52% off
        £130 £62
      • IAD 06:00
        5h 4m
        Nonstop
        LAS 08:04
        Washington D.C. - Las Vegas | Wed, Oct 21 | Frontier Airlines
        £71 £130
        45% off
        45% off
        £130 £71
      • IAD 06:00
        5h 4m
        Nonstop
        LAS 08:04
        Washington D.C. - Las Vegas | Sat, Oct 24 | Frontier Airlines
        £71 £130
        45% off
        45% off
        £130 £71
      • IAD 06:00
        5h 4m
        Nonstop
        LAS 08:04
        Washington D.C. - Las Vegas | Mon, Oct 19 | Frontier Airlines
        £74
        43% off
        £130 £74
      • IAD 12:06
        11h 20m
        1 stop
        LAS 20:26
        Washington D.C. - Las Vegas | Wed, Dec 2 | Frontier Airlines
        £75
        42% off
        £130 £75
      • IAD 21:06
        17h 57m
        1 stop
        LAS 11:03
        Washington D.C. - Las Vegas | Sat, Oct 31 | Frontier Airlines
        £78
        40% off
        £130 £78
      • IAD 08:05
        18h 3m
        1 stop
        LAS 23:08
        Washington D.C. - Las Vegas | Tue, Nov 10 | Frontier Airlines
        £79
        39% off
        £130 £79
      • IAD 21:06
        29h 2m
        1 stop
        LAS 23:08
        Washington D.C. - Las Vegas | Fri, Nov 13 | Frontier Airlines
        £83
        36% off
        £130 £83
      • IAD 08:05
        18h 3m
        1 stop
        LAS 23:08
        Washington D.C. - Las Vegas | Wed, Nov 11 | Frontier Airlines
        £87
        33% off
        £130 £87
      • IAD 21:06
        28h 46m
        1 stop
        LAS 22:52
        Washington D.C. - Las Vegas | Fri, Oct 16 | Frontier Airlines
        £90
        31% off
        £130 £90
      • IAD 07:02
        12h 9m
        1 stop
        LAS 16:11
        Washington D.C. - Las Vegas | Sat, Oct 31 | Alaska Airlines
        £90
        31% off
        £130 £90
      • IAD 07:50
        18h 2m
        1 stop
        LAS 22:52
        Washington D.C. - Las Vegas | Mon, Oct 26 | Frontier Airlines
        £91
        30% off
        £130 £91
      • WAS 13:00
        17h 25m
        1 stop
        LAS 14:00
        Washington D.C. - Las Vegas | Mon, Oct 5 | Normal Airline
        More cheap flights
        More cheap flights

Displayed flight fares from Dulles International Airport to Harry Reid International Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from Dulles International Airport to Harry Reid International Airport

Which month offers the lowest one-way fares when flying from Dulles International Airport to Harry Reid International Airport?

Data is based on the past 12 months. It shows the average one-way fares by month for flights from Dulles International Airport to Harry Reid International Airport on Trip.com.

Based on Trip.com data from the past 12 months, for cheaper one-way flights from Dulles International Airport to Harry Reid International Airport, it is best to book in February, when average fares are £99. Try to avoid March, as fares peak at around £422.

£422
£261
£99
0
    Cheapest
  • £138
    Sep
  • £281
    Oct
  • £189
    Nov
  • £237
    Dec
  • £192
    Jan
  • £99
    Feb
  • £422
    Mar
  • £327
    Apr
  • £163
    May
  • £194
    Jun
  • £187
    Jul
  • £127
    Aug

Which day of the week offers the cheapest flights from Dulles International Airport to Harry Reid International Airport?

Data is based on the past 12 months. It shows the average fares by day of the week for flights from Dulles International Airport to Harry Reid International Airport on Trip.com.

Based on Trip.com data from the past 12 months, the cheapest day to depart from Dulles International Airport to Harry Reid International Airport is Wednesday, when average fares are usually lower than other days. Avoid departing on Sunday, as fares are typically the highest.

£238
£194
£150
£106
    Cheapest
  • £183
    Mon
  • £171
    Tue
  • £150
    Wed
  • £220
    Thu
  • £210
    Fri
  • £172
    Sat
  • £238
    Sun

Which airline offers the cheapest flights from Dulles International Airport to Harry Reid International Airport?

The cheapest airline flying from Dulles International Airport to Harry Reid International Airport is Frontier Airlines (from £62) among 8 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From £62
Alaska Airlines
From £90
Delta Air Lines
From £95
Allegiant Air
From £98
United Airlines
From £130
American Airlines
From £140
Sun Country Airlines
From £143
Air Canada
From £186

Find more flights and airlines

What is the flight schedule from Dulles International Airport to Harry Reid International Airport?

Check on the flight schedule from Washington D.C. to Las Vegas to find the flight that matches your travel plan.

Flight info.
Departure
Arrival
Weekly Schedule

  1. F94277

    Dulles International Airport

    06:30

    IAD

    4h 57m

    08:27

    LAS

    S M T W T F S
    Search

  2. AS409

    Dulles International Airport

    07:02

    IAD

    5h 42m

    Nonstop

    09:44

    SEA

    S M T W T F S
    Search

  3. AS728

    Seattle-Tacoma International Airport

    13:36

    SEA

    2h 35m

    Nonstop

    16:11

    LAS

    S - - W T F S

  4. F94409

    Dulles International Airport

    21:04

    IAD

    2h 1m

    Nonstop

    23:05

    ATL

    S M T W T F S
    Search

  5. F94891

    Hartsfield–Jackson Atlanta International Airport

    10:10

    ATL

    4h 43m

    Nonstop

    11:53

    LAS

    S M T W T F S

  6. F94707

    Dulles International Airport

    07:50

    IAD

    2h 3m

    Nonstop

    09:53

    ATL

    S M T W T F S
    Search

  7. F91115

    Hartsfield–Jackson Atlanta International Airport

    20:59

    ATL

    4h 27m

    Nonstop

    22:26

    LAS

    S M T W T F S

  8. F94409

    Dulles International Airport

    21:04

    IAD

    2h 1m

    Nonstop

    23:05

    ATL

    S M T W T F S
    Search

  9. F94211

    Hartsfield–Jackson Atlanta International Airport

    16:19

    ATL

    2h 29m

    Nonstop

    17:48

    AUS

    S M T W T F S

  10. F93645

    Austin-Bergstrom International Airport

    12:12

    AUS

    2h 59m

    Nonstop

    13:11

    LAS

    S M T W - F S

  11. F94409

    Dulles International Airport

    21:04

    IAD

    2h 1m

    Nonstop

    23:05

    ATL

    S M T W T F S
    Search

  12. F91115

    Hartsfield–Jackson Atlanta International Airport

    20:59

    ATL

    4h 27m

    Nonstop

    22:26

    LAS

    S M T W T F S
Find more flights and airlines

About Dulles International Airport and Harry Reid International Airport

Learn about Dulles International Airport (IAD) and Harry Reid International Airport (LAS) — including location, terminals, transportation, and travel tips.

Flight distance 3,320.34 km
Cheapest one-way ticket price £62
Cheapest return ticket price £117

FAQs for Dulles International Airport to Harry Reid International Airport Flights

  • How long is the flight from Dulles International Airport to Harry Reid International Airport?

    Dulles International Airport to Harry Reid International Airport takes about 4 hours 51 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 5 daily flights from Dulles International Airport (IAD) to Harry Reid International Airport (LAS).
  • The earliest flight from Dulles International Airport to Harry Reid International Airport departs at 06:00, and the last departs at 18:00, with about 6 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Dulles International Airport (IAD) to Harry Reid International Airport (LAS) is quite popular. Without considering departure times or holidays, tickets cost around £211 in October, the most expensive month to book this route.
  • The earliest flight departs from Dulles International Airport at 08:20 and arrives in Harry Reid International Airport at 10:33.
  • The latest flight departs from Dulles International Airport at 20:25 and arrives in Harry Reid International Airport at 22:45.
  • United Airlines is a very popular airline operating an average of 2880 flights per month.
  • One-way flights from Dulles International Airport to Harry Reid International Airport currently start from £62, and round-trip fares start from £117. The current lowest fare is a Frontier Airlines flight departing on Tue, Oct 6; prices may vary depending on availability.
  • Yes. United Airlines and Frontier Airlines operate direct flights from Dulles International Airport to Harry Reid International Airport, with an average flight time of 5 hours 7 minutes, and around 36 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Dulles International Airport to Harry Reid International Airport is £194. Prices may vary depending on the departure date, airline, and availability.
  • Frontier Airlines and Volaris are the most popular budget airlines flying from Dulles International Airport to Harry Reid International Airport, with one-way fares starting from £62. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Dulles International Airport to Harry Reid International Airport operates around 34 weekly flights, mainly by United Airlines and Frontier Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Dulles International Airport and Harry Reid International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.