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Harry Reid Intl. Airport to Dulles International Airport flight

Explore the cheapest one-way and round-trip flights from Harry Reid Intl. Airport to Dulles International Airport over the next 90 days, with one-way fares from $96 and round-trip from $173. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        LAS 10:43 PM
        4h 37m
        Nonstop
        IAD 6:20 AM
        Las Vegas - Washington D.C. | Sat, Oct 24 | Frontier Airlines
        IAD 6:00 AM
        5h 4m
        Nonstop
        LAS 8:04 AM
        Washington D.C. - Las Vegas | Wed, Oct 28 | Frontier Airlines
        $186 $329
        43% off
        43% off
        $329 $186
      • LAS 10:43 PM
        4h 37m
        Nonstop
        IAD 6:20 AM
        Las Vegas - Washington D.C. | Mon, Oct 12 | Frontier Airlines
        IAD 6:00 AM
        5h 4m
        Nonstop
        LAS 8:04 AM
        Washington D.C. - Las Vegas | Sat, Oct 17 | Frontier Airlines
        $218 $329
        34% off
        34% off
        $329 $218
      • LAS 10:43 PM
        4h 37m
        Nonstop
        IAD 6:20 AM
        Las Vegas - Washington D.C. | Wed, Oct 21 | Frontier Airlines
        IAD 6:00 AM
        5h 4m
        Nonstop
        LAS 8:04 AM
        Washington D.C. - Las Vegas | Wed, Oct 28 | Frontier Airlines
        $240 $329
        27% off
        27% off
        $329 $240
      • LAS 7:00 AM
        7h 36m
        1 stop
        IAD 5:36 PM
        Las Vegas - Washington D.C. | Sat, Oct 31 | Frontier Airlines
        DCA 6:00 PM
        8h 31m
        1 stop
        LAS 11:31 PM
        Washington D.C. - Las Vegas | Wed, Nov 4 | Frontier Airlines
        $173
        47% off
        $329 $173
      • LAS 10:15 PM
        17h 54m
        1 stop
        IAD 7:09 PM
        Las Vegas - Washington D.C. | Thu, Oct 29 | Frontier Airlines
        DCA 6:00 PM
        8h 31m
        1 stop
        LAS 11:31 PM
        Washington D.C. - Las Vegas | Sat, Oct 31 | Frontier Airlines
        $176
        47% off
        $329 $176
      • LAS 11:43 PM
        8h 28m
        1 stop
        IAD 11:11 AM
        Las Vegas - Washington D.C. | Thu, Dec 3 | Frontier Airlines
        IAD 12:06 PM
        11h 20m
        1 stop
        LAS 8:26 PM
        Washington D.C. - Las Vegas | Thu, Dec 10 | Frontier Airlines
        $199
        40% off
        $329 $199
      • LAS 6:55 AM
        7h 17m
        1 stop
        IAD 5:12 PM
        Las Vegas - Washington D.C. | Sun, Nov 15 | Frontier Airlines
        IAD 6:07 PM
        8h 1m
        1 stop
        LAS 11:08 PM
        Washington D.C. - Las Vegas | Fri, Nov 20 | Frontier Airlines
        $211
        36% off
        $329 $211
      • LAS 8:43 AM
        6h 36m
        1 stop
        IAD 6:19 PM
        Las Vegas - Washington D.C. | Thu, Oct 29 | Delta Air Lines
        DCA 6:00 PM
        8h 31m
        1 stop
        LAS 11:31 PM
        Washington D.C. - Las Vegas | Sat, Oct 31 | Frontier Airlines
        $216
        34% off
        $329 $216
      • LAS 10:46 PM
        4h 34m
        Nonstop
        IAD 6:20 AM
        Las Vegas - Washington D.C. | Sun, Oct 11 | Frontier Airlines
        IAD 6:32 PM
        8h 46m
        1 stop
        LAS 12:18 AM
        Washington D.C. - Las Vegas | Wed, Oct 14 | Delta Air Lines
        $233
        28% off
        $329 $233
      • LAS 7:00 AM
        7h 50m
        1 stop
        IAD 5:50 PM
        Las Vegas - Washington D.C. | Sat, Oct 31 | Alaska Airlines
        DCA 7:00 AM
        7h 56m
        1 stop
        LAS 11:56 AM
        Washington D.C. - Las Vegas | Wed, Nov 4 | Frontier Airlines
        $234
        28% off
        $329 $234
      • LAS 5:46 PM
        8h 58m
        1 stop
        IAD 5:44 AM
        Las Vegas - Washington D.C. | Sun, Nov 15 | Alaska Airlines
        IAD 6:07 PM
        8h 1m
        1 stop
        LAS 11:08 PM
        Washington D.C. - Las Vegas | Fri, Nov 20 | Frontier Airlines
        $235
        28% off
        $329 $235
      • LAS 3:50 PM
        10h 54m
        1 stop
        IAD 5:44 AM
        Las Vegas - Washington D.C. | Mon, Nov 16 | Alaska Airlines
        IAD 7:46 AM
        10h 18m
        1 stop
        LAS 3:04 PM
        Washington D.C. - Las Vegas | Thu, Nov 19 | Alaska Airlines
        $238
        28% off
        $329 $238
      • LAS 1:00 PM
        17h 25m
        1 stop
        WAS 2:00 PM
        Las Vegas - Washington D.C. | Fri, Oct 9 | Normal Airline
        WAS 3:00 PM
        6h
        Nonstop
        LAS 4:00 PM
        Washington D.C. - Las Vegas | Sun, Oct 11 | Normal Airline
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      • Cheapest nonstop
        LAS 10:43 PM
        4h 37m
        Nonstop
        IAD 6:20 AM
        Las Vegas - Washington D.C. | Sat, Oct 24 | Frontier Airlines
        $99 $164
        40% off
        40% off
        $164 $99
      • LAS 9:47 PM
        4h 23m
        Nonstop
        IAD 5:10 AM
        Las Vegas - Washington D.C. | Mon, Nov 23 | Frontier Airlines
        $106 $164
        35% off
        35% off
        $164 $106
      • LAS 7:20 AM
        6h 52m
        1 stop
        IAD 5:12 PM
        Las Vegas - Washington D.C. | Mon, Nov 2 | Frontier Airlines
        $96 $164
        41% off
        41% off
        $164 $96
      • LAS 7:20 AM
        6h 52m
        1 stop
        IAD 5:12 PM
        Las Vegas - Washington D.C. | Fri, Nov 6 | Frontier Airlines
        $96
        41% off
        $164 $96
      • LAS 7:20 AM
        6h 52m
        1 stop
        IAD 5:12 PM
        Las Vegas - Washington D.C. | Fri, Oct 30 | Frontier Airlines
        $97
        41% off
        $164 $97
      • LAS 9:43 PM
        23h
        1 stop
        IAD 11:43 PM
        Las Vegas - Washington D.C. | Sun, Nov 15 | Frontier Airlines
        $104
        37% off
        $164 $104
      • LAS 9:43 PM
        23h
        1 stop
        IAD 11:43 PM
        Las Vegas - Washington D.C. | Thu, Nov 12 | Frontier Airlines
        $105
        36% off
        $164 $105
      • LAS 6:00 AM
        11h 12m
        1 stop
        IAD 8:12 PM
        Las Vegas - Washington D.C. | Fri, Dec 4 | Frontier Airlines
        $112
        32% off
        $164 $112
      • LAS 7:20 AM
        6h 52m
        1 stop
        IAD 5:12 PM
        Las Vegas - Washington D.C. | Sat, Nov 7 | Frontier Airlines
        $112
        32% off
        $164 $112
      • LAS 11:43 PM
        12h 6m
        1 stop
        IAD 2:49 PM
        Las Vegas - Washington D.C. | Sun, Dec 6 | Frontier Airlines
        $114
        30% off
        $164 $114
      • LAS 6:00 AM
        8h 39m
        1 stop
        IAD 5:39 PM
        Las Vegas - Washington D.C. | Fri, Dec 4 | Alaska Airlines
        $117
        28% off
        $164 $117
      • LAS 12:08 PM
        8h 51m
        1 stop
        IAD 11:59 PM
        Las Vegas - Washington D.C. | Fri, Oct 30 | Alaska Airlines
        $119
        27% off
        $164 $119
      • LAS 1:00 PM
        17h 25m
        1 stop
        WAS 2:00 PM
        Las Vegas - Washington D.C. | Fri, Oct 9 | Normal Airline
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Displayed flight fares from Harry Reid Intl. Airport to Dulles 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 Harry Reid Intl. Airport to Dulles International Airport

What is the cheapest month for one-way flights from Harry Reid Intl. Airport to Dulles International Airport?

Data is based on average one-way flight prices from Harry Reid Intl. Airport to Dulles International Airport in Trip.com's database over the past 12 months.

Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from Harry Reid Intl. Airport to Dulles International Airport, the best time to buy is in September, with an average price of $218. You’ll want to avoid November, when the average price can reach as high as $530.

$530
$374
$218
$62
    Cheapest
  • $317
    Oct
  • $530
    Nov
  • $355
    Dec
  • $265
    Jan
  • $336
    Feb
  • $398
    Mar
  • $358
    Apr
  • $244
    May
  • $262
    Jun
  • $241
    Jul
  • $277
    Aug
  • $218
    Sep

What is the cheapest day of the week to fly from Harry Reid Intl. Airport to Dulles International Airport?

The data is based on the past 12 months and shows the average ticket prices from Harry Reid Intl. Airport to Dulles International Airport for each day of the week in the Trip.com database.

Based on Trip.com’s data from the past 12 months, the cheapest day to depart from Harry Reid Intl. Airport to Dulles International Airport is Wednesday, with average fares typically lower than other days. You’ll want to avoid flying on Sunday, as ticket prices are usually the highest that day.

$406
$300
$194
$88
    Cheapest
  • $322
    Mon
  • $244
    Tue
  • $194
    Wed
  • $215
    Thu
  • $332
    Fri
  • $309
    Sat
  • $406
    Sun

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

The cheapest airline flying from Harry Reid Intl. Airport to Dulles International Airport is Frontier Airlines (from $96) among 8 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From $96
Alaska Airlines
From $117
Delta Air Lines
From $128
United Airlines
From $176
American Airlines
From $196
Sun Country Airlines
From $248
Air Canada
From $304
Jetblue Airways
From $340

Find more flights and airlines

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

Check the schedule for flights from Las Vegas to Washington D.C. and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. F93494

    Harry Reid Intl. Airport

    10:14 PM

    LAS

    4h 28m

    5:42 AM

    IAD

    S M T W T F S
    Search

  2. F91116

    Harry Reid Intl. Airport

    7:30 AM

    LAS

    4h 9m

    Nonstop

    2:39 PM

    ATL

    S M T W T F S
    Search

  3. F94410

    Hartsfield–Jackson Atlanta International Airport

    3:25 PM

    ATL

    1h 53m

    Nonstop

    5:18 PM

    IAD

    S M T W T F S

  4. DL1659

    Harry Reid Intl. Airport

    1:20 PM

    LAS

    1h 29m

    Nonstop

    3:49 PM

    SLC

    S M T W T F S
    Search

  5. DL847

    Salt Lake City International Airport

    5:50 PM

    SLC

    3h 56m

    Nonstop

    11:46 PM

    IAD

    S M T W T F S

  6. AS785

    Harry Reid Intl. Airport

    11:50 AM

    LAS

    2h 52m

    Nonstop

    2:42 PM

    SEA

    S M T W T F S
    Search

  7. AS366

    Seattle Tacoma Intl. Airport

    3:56 PM

    SEA

    5h 3m

    Nonstop

    11:59 PM

    IAD

    S M T W T F S

  8. DL1282

    Harry Reid Intl. Airport

    6:25 AM

    LAS

    3h 11m

    Nonstop

    11:36 AM

    MSP

    S M T W T F S
    Search

  9. DL3783

    Minneapolis-Saint Paul International Airport

    2:45 PM

    MSP

    2h 34m

    Nonstop

    6:19 PM

    IAD

    S M T W T - S

  10. F93886

    Harry Reid Intl. Airport

    8:17 AM

    LAS

    2h 52m

    Nonstop

    1:09 PM

    DFW

    S M T W T F S
    Search

  11. F93208

    Dallas Fort Worth International Airport

    5:06 PM

    DFW

    2h 55m

    Nonstop

    9:01 PM

    IAD

    S M T - T F -

  12. AS676

    Harry Reid Intl. Airport

    9:45 AM

    LAS

    2h 49m

    Nonstop

    12:34 PM

    SEA

    S M T W T F S
    Search

  13. AS366

    Seattle Tacoma Intl. Airport

    3:56 PM

    SEA

    5h 3m

    Nonstop

    11:59 PM

    IAD

    S M T W T F S

  14. F92428

    Harry Reid Intl. Airport

    10:04 PM

    LAS

    3h 56m

    Nonstop

    5:00 AM

    ATL

    S M T W T F S
    Search

  15. F94410

    Hartsfield–Jackson Atlanta International Airport

    3:25 PM

    ATL

    1h 53m

    Nonstop

    5:18 PM

    IAD

    S M T W T F S

  16. F92428

    Harry Reid Intl. Airport

    10:04 PM

    LAS

    3h 56m

    Nonstop

    5:00 AM

    ATL

    S M T W T F S
    Search

  17. F93692

    Hartsfield–Jackson Atlanta International Airport

    10:24 PM

    ATL

    1h 46m

    Nonstop

    12:10 AM

    IAD

    S M T W T F S
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About Harry Reid Intl. Airport and Dulles International Airport

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

Flight distance 3,320.34 km
Cheapest one-way ticket price $96
Cheapest return ticket price $173

FAQs for Harry Reid Intl. Airport to Dulles International Airport Flights

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

    Harry Reid Intl. Airport to Dulles International Airport takes about 4 hours 40 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 4 daily flights from Harry Reid Intl. Airport (LAS) to Dulles International Airport (IAD).
  • The earliest flight from Harry Reid Intl. Airport to Dulles International Airport departs at 08:20, and the last departs at 23:57, with about 5 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Harry Reid Intl. Airport (LAS) to Dulles International Airport (IAD) is quite popular. Without considering departure times or holidays, tickets cost around $305 in October, the most expensive month to book this route.
  • The earliest flight departs from Harry Reid Intl. Airport (LAS) at 07:34 and arrives in Dulles International Airport (IAD) at 18:21.
  • The latest flight departs from Harry Reid Intl. Airport (LAS) at 19:10 and arrives in Dulles International Airport (IAD) at 06:48.
  • United Airlines is a very popular airline operating an average of 4002 flights per month.
  • One-way flights from Harry Reid Intl. Airport to Dulles International Airport currently start from $96, and round-trip fares start from $173. The current lowest fare is a Frontier Airlines flight departing on Mon, Nov 2; prices may vary depending on availability.
  • Yes. United Airlines and Frontier Airlines operate direct flights from Harry Reid Intl. Airport to Dulles International Airport, with an average flight time of 5 hours 8 minutes, and around 34 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 Harry Reid Intl. Airport to Dulles International Airport is $243. Prices may vary depending on the departure date, airline, and availability.
  • Frontier Airlines and Volaris are the most popular budget airlines flying from Harry Reid Intl. Airport to Dulles International Airport, with one-way fares starting from $96. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Harry Reid Intl. Airport to Dulles International Airport operates around 35 weekly flights, mainly by United Airlines and Frontier Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Harry Reid Intl. Airport and Dulles 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 estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.