HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

$130+ Cheap flights from Dulles Intl (IAD) to Las Vegas (LAS)

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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LAS
Jul 31 — Aug 71
From?
To?
Wed 7/31
Wed 8/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Leverage Cheapflights for Your Next Trip

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Washington, D.C. Dulles Intl to Las Vegas Harry Reid Intl are usually found in September or November, booked 52 days in advance, depart on a Tuesday or Saturday and return on a Thursday

Cheap flight deals from Dulles Intl to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Las Vegas (LAS). 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 July 26, 2024.

Popular in

March

Cheapest in

September

Round-trip from

$152

One-way from

$130
(Cheapflightsfares)
High demand for flights, 16% potential price rise
Search Deals
Best time to find cheap flights, 14% potential price drop
Search Deals
From Washington, D.C. Dulles Intl to Las Vegas Harry Reid Intl
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Las Vegas Harry Reid Intl
Search Deals

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Las Vegas?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Las Vegas?

To save on the cost of your flight from Washington, D.C. Dulles Intl Airport to Las Vegas, book at least 24 days before your planned departure. Booking around this time can save you about 39% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $363 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $526.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Las Vegas?

The best pricing can be found in the month of January. Prices to Las Vegas from Washington, D.C. Dulles Intl Airport average $386. You can even find prices in January for less than $386, as users have found deals to Las Vegas from as low as $144. The month of June appears to be one of the more expensive times to travel to Las Vegas from Washington, D.C. Dulles Intl Airport. Flying in the targeted month can save you up to 17%.

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

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Las Vegas is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 25% on airfare.

Cheap Dulles Intl to Las Vegas flights in July & August 2024

Find cheap flight options from Dulles Intl to Las Vegas specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on July 26, 2024.
These are some of the most attractive deals on flights from Washington, D.C. to Las Vegas in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
This deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/116:52 amIAD - LAS
2 stops11h 16mAmerican Airlines
Tue 8/2011:32 amLAS - IAD
2 stops9h 46mAmerican Airlines
Deal found 7/24$215
This deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/172:53 pmIAD - LAS
1 stop8h 12mDelta
Sun 8/2511:05 pmLAS - IAD
1 stop8h 04mDelta
Deal found 7/25$216
This Cheapflightsfares deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2111:26 amIAD - LAS
1 stop8h 39mSun Country Air
Wed 8/286:10 pmLAS - IAD
1 stop13h 56mSun Country Air
Deal found 7/24$240
This Cheapflightsfares deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/251:13 pmIAD - LAS
1 stop12h 37mSun Country Air
Wed 8/286:10 pmLAS - IAD
1 stop13h 56mSun Country Air
Deal found 7/25$250
This mytrip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2111:26 amIAD - LAS
1 stop8h 39mMultiple Airlines
Sat 8/248:20 pmLAS - IAD
3 stops21h 45mMultiple Airlines
Deal found 7/24$252
This mytrip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2111:26 amIAD - LAS
1 stop8h 39mMultiple Airlines
Thu 8/227:09 pmLAS - IAD
3 stops22h 41mMultiple Airlines
Deal found 7/24$259
This mytrip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2111:26 amIAD - LAS
1 stop8h 39mMultiple Airlines
Wed 8/288:20 pmLAS - IAD
3 stops21h 30mMultiple Airlines
Deal found 7/24$262
This Sun Country Air deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2111:26 amIAD - LAS
1 stop8h 39mSun Country Air
Wed 8/286:10 pmLAS - IAD
1 stop13h 56mSun Country Air
Deal found 7/25$265
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2612:55 pmIAD - LAS
3 stops24h 25mMultiple Airlines
Wed 8/287:09 pmLAS - IAD
3 stops22h 41mMultiple Airlines
Deal found 7/25$268

Dulles Intl to Las Vegas 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and Las Vegas in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 26, 2024.
These are some of the most attractive deals on flights from Washington, D.C. to Las Vegas in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
This deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/116:52 amIAD - LAS
2 stops11h 16mAmerican Airlines
Tue 8/2011:32 amLAS - IAD
2 stops9h 46mAmerican Airlines
Deal found 7/24$215
This deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/172:53 pmIAD - LAS
1 stop8h 12mDelta
Sun 8/2511:05 pmLAS - IAD
1 stop8h 04mDelta
Deal found 7/25$216
This Cheapflightsfares deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2111:26 amIAD - LAS
1 stop8h 39mSun Country Air
Wed 8/286:10 pmLAS - IAD
1 stop13h 56mSun Country Air
Deal found 7/24$240
This Cheapflightsfares deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/251:13 pmIAD - LAS
1 stop12h 37mSun Country Air
Wed 8/286:10 pmLAS - IAD
1 stop13h 56mSun Country Air
Deal found 7/25$250
This mytrip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2111:26 amIAD - LAS
1 stop8h 39mMultiple Airlines
Sat 8/248:20 pmLAS - IAD
3 stops21h 45mMultiple Airlines
Deal found 7/24$252
This mytrip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2111:26 amIAD - LAS
1 stop8h 39mMultiple Airlines
Thu 8/227:09 pmLAS - IAD
3 stops22h 41mMultiple Airlines
Deal found 7/24$259
This mytrip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2111:26 amIAD - LAS
1 stop8h 39mMultiple Airlines
Wed 8/288:20 pmLAS - IAD
3 stops21h 30mMultiple Airlines
Deal found 7/24$262
This Sun Country Air deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2111:26 amIAD - LAS
1 stop8h 39mSun Country Air
Wed 8/286:10 pmLAS - IAD
1 stop13h 56mSun Country Air
Deal found 7/25$265
This Trip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/145:38 pmIAD - LAS
1 stop8h 07mAlaska Airlines
Sat 9/217:05 amLAS - IAD
1 stop7h 48mAlaska Airlines
Deal found 7/25$267

Dulles Intl to Las Vegas flights leaving soon

Find last-minute flight options from Dulles Intl to Las Vegas for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 26, 2024.
Users seeking a last-minute flight from Washington, D.C. to Las Vegas should consider booking one of these fares. To prevent any unwanted surprises, users should verify their flight info before booking.
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/45:10 pmIAD - LAS
2 stops25h 55mMultiple Airlines
Wed 8/712:17 amLAS - IAD
1 stop13h 07mMultiple Airlines
Deal found 7/25$367
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/412:55 pmIAD - LAS
3 stops36h 26mMultiple Airlines
Wed 8/712:17 amLAS - IAD
1 stop13h 07mMultiple Airlines
Deal found 7/25$379
This Cheapflightsfares deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/41:53 pmIAD - LAS
1 stop12h 00mSun Country Air
Wed 8/75:40 pmLAS - IAD
1 stop14h 37mSun Country Air
Deal found 7/25$382
This Sun Country Air deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/41:53 pmIAD - LAS
1 stop12h 00mSun Country Air
Tue 8/61:30 pmLAS - IAD
1 stop18h 00mSun Country Air
Deal found 7/25$390
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/28:25 amIAD - LAS
2 stops17h 00mMultiple Airlines
Tue 8/69:34 pmLAS - IAD
2 stops20h 16mMultiple Airlines
Deal found 7/25$394
This Cheapflightsfares deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/41:53 pmIAD - LAS
1 stop12h 00mSun Country Air
Fri 8/96:40 pmLAS - IAD
1 stop14h 30mSun Country Air
Deal found 7/25$397
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/45:10 pmIAD - LAS
2 stops25h 55mMultiple Airlines
Thu 8/89:34 pmLAS - IAD
2 stops30h 36mMultiple Airlines
Deal found 7/25$398
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/210:15 pmIAD - LAS
2 stops26h 43mMultiple Airlines
Wed 8/79:34 pmLAS - IAD
2 stops15h 36mMultiple Airlines
Deal found 7/25$405
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/210:15 pmIAD - LAS
2 stops26h 43mMultiple Airlines
Mon 8/511:35 pmLAS - IAD
3 stops18h 15mMultiple Airlines
Deal found 7/25$407

One-way flights to Las Vegas from Dulles Intl

Search for one-way flight options from Dulles Intl to Las Vegas. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 26, 2024.
Users in need of a one-way flight from Washington, D.C. to Las Vegas can choose from these deals. Users can also find round-trip Washington, D.C. to Las Vegas flights by using the search form above.
This Cheapflightsfares deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/251:13 pmIAD - LAS
1 stop12h 37mSun Country Air
Deal found 7/25$130
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2612:55 pmIAD - LAS
3 stops24h 25mMultiple Airlines
Deal found 7/25$134
This mytrip.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/278:25 amIAD - LAS
2 stops15h 37mMultiple Airlines
Deal found 7/26$136
This Alaska Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/275:38 pmIAD - LAS
1 stop8h 07mAlaska Airlines
Deal found 7/26$138
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2712:55 pmIAD - LAS
2 stops11h 07mMultiple Airlines
Deal found 7/25$139
This Cheapflightsfares deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1411:30 amIAD - LAS
1 stop8h 11mSun Country Air
Deal found 7/24$140
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2512:55 pmIAD - LAS
3 stops24h 25mMultiple Airlines
Deal found 7/25$141
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/315:38 pmIAD - LAS
1 stop27h 30mAlaska Airlines
Deal found 7/25$144
This Sun Country Air deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/136:00 pmIAD - LAS
1 stop19h 55mSun Country Air
Deal found 7/26$148

Find flights from Dulles Intl to Las Vegas within your budget

Customize your flight search to find flights from Dulles Intl to Las Vegas 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 2,752,877 searches. Data last updated July 26, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$152 - $268

Route

Depart

Return

Price

Washington, D.C. Dulles IntlLas Vegas Harry Reid Intl

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Mon 8/26

1 stop9h 08m

Las Vegas Harry Reid Intl

Wed 9/4

1 stop18h 45m

$152

Washington, D.C. Dulles IntlLas Vegas Harry Reid Intl

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Mon 8/26

1 stop9h 08m

Las Vegas Harry Reid Intl

Wed 9/4

1 stop18h 45m

$153

Washington, D.C. Dulles IntlLas Vegas Harry Reid Intl

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sun 8/18

2 stops10h 40m

Las Vegas Harry Reid Intl

Sat 8/24

2 stops11h 05m

$154

Washington, D.C. Dulles IntlLas Vegas Harry Reid Intl

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sun 8/18

2 stops10h 40m

Las Vegas Harry Reid Intl

Sat 8/24

2 stops8h 22m

$157

Washington, D.C. Dulles IntlLas Vegas Harry Reid Intl

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sun 8/18

2 stops10h 40m

Las Vegas Harry Reid Intl

Sat 8/24

2 stops10h 07m

$158

Washington, D.C. Dulles IntlLas Vegas Harry Reid Intl

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Fri 8/16

1 stop6h 31m

Las Vegas Harry Reid Intl

Fri 8/23

1 stop6h 27m

$173

Washington, D.C. Dulles IntlLas Vegas Harry Reid Intl

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sun 8/25

1 stop12h 37m

Las Vegas Harry Reid Intl

Wed 8/28

1 stop13h 56m

$250

Washington, D.C. Dulles IntlLas Vegas Harry Reid Intl

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 8/10

Nonstop4h 59m

Las Vegas Harry Reid Intl

Sat 8/10

1 stop7h 48m

$266

Washington, D.C. Dulles IntlLas Vegas Harry Reid Intl

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Mon 8/26

3 stops24h 25m

Las Vegas Harry Reid Intl

Wed 8/28

3 stops22h 41m

$268

Flights are sorted by cheapest first

Deals found on 7/25

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Las Vegas. Price data was last updated on July 23, 2024.
The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Las Vegas may vary depending on when you book. For the best chance of a lower fare, look to book 52 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Las Vegas?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Las Vegas. Price data was last updated on July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Las Vegas flight should consider departing on Monday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Dulles Intl to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Dulles Intl with our price prediction graph.
Estimated round-trip 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.

Temperature and rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature and rainfall totals by month.

LAS

Temperature

48.2 - 93.2 °F

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. 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 Las Vegas. Reviews last updated July 26, 2024.
See what other customers who have flown with Delta, Alaska Airlines and Sun Country Air from Washington, D.C. to Las Vegas have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,365 reviews

Crew

8.6

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Alaska Airlines
8.1
Very good
9,365 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Crew

8.6

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Delta
8.0
Very good
9,630 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Crew

8.6

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

United Airlines
7.4
Good
10,000 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Crew

8.6

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

American Airlines
7.3
Good
10,000 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Crew

8.6

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Sun Country Air
7.1
Good
515 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Crew

8.6

Entertainment

7.2

Comfort

7.9

Boarding

8.2

Overall

8.1

Food

7.2

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Las Vegas. 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 into for flights to Las Vegas from Washington, D.C. Dulles Intl?

    Las Vegas Harry Reid Intl (LAS), located 6.2 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Las Vegas. 7 airlines have flights to Harry Reid Intl from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Las Vegas Harry Reid Intl should not be difficult; the airport handles an average of 4 inbound flights from Washington, D.C. Dulles Intl per day.

  • Can I find flights from Washington, D.C. Dulles Intl Airport to Las Vegas for under $200 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Las Vegas for under $200. The cheapest flight booked recently is on Alaska Airlines for just $152, but on average you can expect to pay $212.

  • Are there nonstop flights from Washington, D.C. Dulles Intl Airport to Las Vegas for under $300 on Cheapflights?

    Cheapflights has at least 20 direct flights from Washington, D.C. Dulles Intl Airport to Las Vegas under $300. A good price for a nonstop flight from Washington, D.C. Dulles Intl Airport to Las Vegas is less than $360.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Las Vegas for under $400?

    There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to Las Vegas within the next 7 days for less than $400.

  • What days are nonstop flights available from Washington, D.C. Dulles Intl Airport to Las Vegas?

    Nonstop flights are available for this route on the following days: Tuesday, Friday, Saturday.

  • How many flights depart from Washington, D.C. Dulles Intl Airport to Las Vegas on average per day?

    3 flight departures from Washington, D.C. Dulles Intl Airport to Las Vegas per day on average.
    Evening (6pm - Midnight) - 100% of flight departures

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Las Vegas?

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Las Vegas in 6h 31m. Fly via Alaska Airlines, American Airlines, or Delta to get the fastest option. Airlines will cover a distance of 2072 mi. This flight may include one or multiple stops.

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

    Flying on Alaska Airlines is currently your cheapest option to Las Vegas, with prices starting at $152. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $154 and $173, respectively. These flights start at 67% lower than the current average price 3 months from now.

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

    The cheapest airline one-way is Sun Country Air, with whom users have recently found tickets for as low as $130. However, be on the lookout for offers from Alaska Airlines and United Airlines, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Las Vegas for a low price.

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

    The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Las Vegas are United Airlines (90%), Ethiopian Air (75%) and Brussels Airlines (71%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Las Vegas?

    Looking at all options, your cheapest flight can be booked for $177. While the most popular route (Washington, D.C. Dulles Intl - Las Vegas Harry Reid Intl) can be booked for $188 on average our data indicates $1,044 when flying from Washington, D.C. Dulles Intl Airport to Las Vegas.

  • What does IAD to LAS mean?

    Great question - IAD to LAS just means Washington, D.C. Dulles Intl Airport to Las Vegas Harry Reid Intl Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Dulles Intl to Las Vegas that include extra baggage allowance?

    The amount of baggage you can bring on your Dulles Intl to Las Vegas flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Dulles Intl to Las Vegas with specific airlines?

    Yes, Cheapflights allows you to browse and filter Dulles Intl to Las Vegas flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Dulles Intl to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Las Vegas?

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

  • Can I find deals for business class flights from Dulles Intl to Las Vegas?

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

  • Can I find deals for flights from Dulles Intl to Las Vegas that allow pets onboard?

    Many airlines flying from Dulles Intl to Las Vegas offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Dulles Intl to Las Vegas?

    Yes, you can often find last-minute deals on Dulles Intl to Las Vegas flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Washington, D.C. Dulles Intl Airport to Las Vegas flight deals updated?

    The Washington, D.C. Dulles Intl Airport to Las Vegas flight deals you see on this page were last updated on 7/25.

  • What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Las Vegas?

    Consider American Airlines, Alaska Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Washington, D.C. Dulles Intl Airport to Las Vegas.

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

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Las Vegas (average of $194). Flying from Washington, D.C. Dulles Intl Airport to Las Vegas in May is currently the most expensive (average of $256). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Las Vegas
See prices for flight routes from nearby airports that may be better suited for you.

Baltimore to Las Vegas flights
Reagan-National to Las Vegas flights
Dulles Intl to Reno flights
Baltimore to Reno flights
Reagan-National to Reno flights
Dulles Intl to Twin Falls flights
Baltimore to Twin Falls flights
Baltimore to Elko flights
Reagan-National to Twin Falls flights
Reagan-National to Elko flights
Dulles Intl to Elko flights

Top 7 airlines flying from Dulles Intl to Las Vegas

Discover the top 7 airlines that operate flights from Dulles Intl to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 26, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$111Average$252FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$121Average$356FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$132Average$290FlexibilityNo cancel feeOn-time83%
FrontierCheapest$150Average$268FlexibilityNo cancel feeOn-time62%
DeltaCheapest$199Average$358FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$269Average$499FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$294Average$422FlexibilityNo cancel feeOn-time71%
Minneapolis to Seattle flights
San Francisco to Orlando flights
Boston to Washington, D.C. flights
Houston to New Orleans flights
Baltimore to Miami flights
Charlotte to Orlando flights
Nashville to Los Angeles flights
Sacramento to Los Angeles flights
Denver to Portland flights
Nashville to Orlando flights
Los Angeles to Chicago O'Hare Intl Airport flights
Washington, D.C. Dulles Intl Airport to Lawton flights

Search flights from Dulles Intl to Las Vegas by cabin class

Find flights from Dulles Intl to Las Vegas, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from Dulles Intl to Las Vegas

Find hourly flight availability from Dulles Intl to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 26, 2024.
1%of flight departuresEarly morningMidnight to 6 am
29%of flight departuresMorning6 am to noon
45%of flight departuresAfternoonNoon to 6 pm
25%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Dulles Intl to Las Vegas

Explore weekly flight availability from Dulles Intl to Las Vegas. 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 July 26, 2024.
Sunday3daily flights
Monday6daily flights
Tuesday4daily flights
Wednesday5daily flights
Thursday6daily flights
Friday5daily flights
Saturday4daily flights

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Abha
Flights to Komatsu
Flights to Skardu
Flights to Laayoune Hassan I
Flights to Aqaba King Hussein Intl
Flights to Nampula
Flights to Bourgas
Flights to Riverton
Flights to Alpena Phelps/Collins
Flights to Palmas
Flights to Newport State
Flights to Antofagasta Cerro Moreno
Flights to Nuku‘alofa Fua'Amotu Intl
Flights to Ndola
Flights to Fort Dodge
Flights to Miri
Flights to Rhinelander Oneida County
Flights to Seattle Lake Union Spb
Flights to Portsmouth Pease Intl
Flights to Tumbes
Flights to Jigiga
Flights to Diyarbakir
Flights to Akureyri
Flights to Brainerd Crow Wing County
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines