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$120+ Cheap flights from Las Vegas (LAS) to Dulles Intl (IAD)

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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — IAD
Jul 30 — Aug 61
From?
To?
Tue 7/30
Tue 8/6
1 adult, Economy
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The best prices from Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl are usually found in March or November, booked 58 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Las Vegas to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Dulles Intl (IAD). 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 25, 2024.

Popular in

February

Cheapest in

March

Round-trip from

$284
(mytrip.com)

One-way from

$120
(Cheapflightsfares)
High demand for flights, 20% potential price rise
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Best time to find cheap flights, 18% potential price drop
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From Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl
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One-way flight from Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl
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What is the cheapest day to fly round-trip from Las Vegas to Washington, D.C. Dulles Intl Airport?

Departing on a Wednesday is a good option for securing a great price. You can expect to save up to 71% when planning your travel around this day of the week.

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

Users have found that booking a flight from Las Vegas to Washington, D.C. Dulles Intl Airport at least 32 days early can save you up to 125% on average compared to booking a flight this week. If booking 32 days before your flight isn’t an option for you, users have found flights from Las Vegas to Washington, D.C. Dulles Intl Airport for as little as $267 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $473 for flights departing within the next 3 days.

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

Flights from Las Vegas to Washington, D.C. Dulles Intl Airport lean towards being more expensive in June. Prices are generally better when you fly from Las Vegas to Washington, D.C. Dulles Intl Airport in January, with the cheapest ticket starting at $153.

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

It’s optimal to fly from Las Vegas to Washington, D.C. Dulles Intl Airport in the afternoon. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight at noon.

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

Find cheap flight options from Las Vegas to Dulles Intl 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 25, 2024.
Listed are some of the best fares we've found on flights departing from Las Vegas to Washington, D.C. in 2024. Check back regularly for other flight deals.
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.
Thu 7/2510:25 pmLAS - IAD
1 stop7h 20mDelta
Wed 7/3110:05 amIAD - LAS
1 stop6h 37mDelta
Deal found 7/24$236
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 8/237:09 pmLAS - IAD
3 stops42h 01mMultiple Airlines
Tue 8/278:25 amIAD - LAS
3 stops28h 55mMultiple Airlines
Deal found 7/25$280
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.
Thu 8/228:20 pmLAS - IAD
3 stops21h 30mMultiple Airlines
Wed 8/2812:55 pmIAD - LAS
2 stops11h 07mMultiple Airlines
Deal found 7/25$283
This mytrip.com deal was found by Cheapflights users on 7/23. 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 8/215:00 amLAS - IAD
3 stops23h 20mMultiple Airlines
Wed 8/2812:55 pmIAD - LAS
2 stops11h 07mMultiple Airlines
Deal found 7/23$284
This FareScan 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/75:40 pmLAS - IAD
1 stop14h 37mMultiple Airlines
Thu 8/85:14 pmIAD - LAS
1 stop29h 16mMultiple Airlines
Deal found 7/24$287
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.
Fri 8/99:34 pmLAS - IAD
2 stops10h 46mMultiple Airlines
Sun 8/2512:55 pmIAD - LAS
3 stops24h 25mMultiple Airlines
Deal found 7/24$293
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 8/238:20 pmLAS - IAD
3 stops36h 15mMultiple Airlines
Tue 8/2712:55 pmIAD - LAS
2 stops11h 07mMultiple Airlines
Deal found 7/25$294
This Sun Country Air 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/75:40 pmLAS - IAD
1 stop14h 37mSun Country Air
Sun 8/111:53 pmIAD - LAS
1 stop12h 00mSun Country Air
Deal found 7/24$295
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 8/216:05 pmLAS - IAD
1 stop14h 15mSun Country Air
Wed 8/2811:25 amIAD - LAS
1 stop8h 47mSun Country Air
Deal found 7/24$299

Las Vegas to Dulles Intl 2024 flight deals

Discover exclusive flight deals for travel between Las Vegas and Dulles Intl 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 25, 2024.
Listed are some of the best fares we've found on flights departing from Las Vegas to Washington, D.C. in 2024. Check back regularly for other flight deals.
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.
Thu 7/2510:25 pmLAS - IAD
1 stop7h 20mDelta
Wed 7/3110:05 amIAD - LAS
1 stop6h 37mDelta
Deal found 7/24$236
This Sun Country Air 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/246:25 pmLAS - IAD
1 stop14h 31mSun Country Air
Sun 11/31:00 pmIAD - LAS
1 stop26h 29mSun Country Air
Deal found 7/24$275
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 8/237:09 pmLAS - IAD
3 stops42h 01mMultiple Airlines
Tue 8/278:25 amIAD - LAS
3 stops28h 55mMultiple Airlines
Deal found 7/25$280
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.
Thu 8/228:20 pmLAS - IAD
3 stops21h 30mMultiple Airlines
Wed 8/2812:55 pmIAD - LAS
2 stops11h 07mMultiple Airlines
Deal found 7/25$283
This mytrip.com deal was found by Cheapflights users on 7/23. 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 8/215:00 amLAS - IAD
3 stops23h 20mMultiple Airlines
Wed 8/2812:55 pmIAD - LAS
2 stops11h 07mMultiple Airlines
Deal found 7/23$284
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.
Fri 9/64:27 pmLAS - IAD
1 stop22h 26mAlaska Airlines
Mon 9/95:38 pmIAD - LAS
1 stop8h 07mAlaska Airlines
Deal found 7/25$286
This FareScan 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 FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/75:40 pmLAS - IAD
1 stop14h 37mMultiple Airlines
Thu 8/85:14 pmIAD - LAS
1 stop29h 16mMultiple Airlines
Deal found 7/24$287
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/276:48 pmLAS - IAD
1 stop20h 05mAlaska Airlines
Tue 10/15:27 pmIAD - LAS
1 stop26h 53mAlaska Airlines
Deal found 7/24$292
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.
Fri 8/99:34 pmLAS - IAD
2 stops10h 46mMultiple Airlines
Sun 8/2512:55 pmIAD - LAS
3 stops24h 25mMultiple Airlines
Deal found 7/24$293

Las Vegas to Dulles Intl flights leaving soon

Find last-minute flight options from Las Vegas to Dulles Intl 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 25, 2024.
Consider one of these great deals we found on last-minute flights from Las Vegas to Washington, D.C.. It's wise to confirm all flight details are correct before booking.
This mytrip.com deal was found by Cheapflights users on 7/23. 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 8/26:40 pmLAS - IAD
1 stop15h 30mMultiple Airlines
Sat 8/108:25 amIAD - LAS
2 stops16h 33mMultiple Airlines
Deal found 7/23$304
This mytrip.com deal was found by Cheapflights users on 7/23. 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 8/26:40 pmLAS - IAD
1 stop15h 30mMultiple Airlines
Tue 8/612:55 pmIAD - LAS
2 stops14h 42mMultiple Airlines
Deal found 7/23$312
This mytrip.com deal was found by Cheapflights users on 7/23. 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 8/210:55 amLAS - IAD
3 stops21h 25mMultiple Airlines
Tue 8/612:55 pmIAD - LAS
2 stops14h 42mMultiple Airlines
Deal found 7/23$320
This Sun Country Air deal was found by Cheapflights users on 7/23. 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.
Tue 7/3012:00 pmLAS - IAD
1 stop19h 30mSun Country Air
Sun 8/111:53 pmIAD - LAS
1 stop12h 00mSun Country Air
Deal found 7/23$325
This mytrip.com deal was found by Cheapflights users on 7/23. 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 7/3112:17 amLAS - IAD
1 stop13h 03mMultiple Airlines
Tue 8/68:25 amIAD - LAS
2 stops19h 12mMultiple Airlines
Deal found 7/23$327
This eDestinos deal was found by Cheapflights users on 7/23. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/26:40 pmLAS - IAD
1 stop15h 30mMultiple Airlines
Tue 8/612:55 pmIAD - LAS
3 stops30h 10mMultiple Airlines
Deal found 7/23$332
This mytrip.com deal was found by Cheapflights users on 7/23. 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 7/305:55 amLAS - IAD
2 stops25h 35mMultiple Airlines
Sun 8/111:53 pmIAD - LAS
1 stop13h 06mMultiple Airlines
Deal found 7/23$334
This eDestinos deal was found by Cheapflights users on 7/23. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/3112:17 amLAS - IAD
1 stop13h 03mMultiple Airlines
Tue 8/68:25 amIAD - LAS
3 stops34h 40mMultiple Airlines
Deal found 7/23$341
This mytrip.com deal was found by Cheapflights users on 7/23. 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 7/305:55 amLAS - IAD
2 stops25h 35mMultiple Airlines
Sun 8/115:14 pmIAD - LAS
2 stops22h 30mMultiple Airlines
Deal found 7/23$344

One-way flights to Dulles Intl from Las Vegas

Search for one-way flight options from Las Vegas to Dulles Intl. 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 25, 2024.
Some of the best available deals we've found on one-way flights from Las Vegas to Washington, D.C.. Users needing a return flight from Las Vegas to Washington, D.C. should utilize 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.
Wed 8/286:10 pmLAS - IAD
1 stop13h 56mSun Country Air
Deal found 7/25$120
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.
Sat 8/247:50 amLAS - IAD
1 stop10h 06mMultiple Airlines
Deal found 7/24$126
This eDestinos deal was found by Cheapflights users on 7/23. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1011:59 pmLAS - IAD
1 stop7h 37mSun Country Air
Deal found 7/23$127
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.
Tue 8/208:20 pmLAS - IAD
3 stops21h 30mMultiple Airlines
Deal found 7/24$130
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.
Sat 8/178:20 pmLAS - IAD
3 stops21h 45mMultiple Airlines
Deal found 7/24$134
This Sun Country Air 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/136:20 pmLAS - IAD
1 stop23h 06mSun Country Air
Deal found 7/24$138
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.
Thu 10/36:25 pmLAS - IAD
1 stop15h 31mSun Country Air
Deal found 7/24$140
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.
Thu 8/158:20 pmLAS - IAD
3 stops21h 30mMultiple Airlines
Deal found 7/24$142
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/64:27 pmLAS - IAD
1 stop22h 26mAlaska Airlines
Deal found 7/24$144

Find flights from Las Vegas to Dulles Intl within your budget

Customize your flight search to find flights from Las Vegas to Dulles Intl 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 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$284 - $371

Route

Depart

Return

Price

Las Vegas Harry Reid IntlWashington, D.C. Dulles Intl

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Wed 8/21

3 stops23h 20m

Washington, D.C. Dulles Intl

Wed 8/28

2 stops11h 07m

$284

Las Vegas Harry Reid IntlWashington, D.C. Dulles Intl

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Fri 9/6

1 stop22h 26m

Washington, D.C. Dulles Intl

Mon 9/9

1 stop8h 07m

$286

Las Vegas Harry Reid IntlWashington, D.C. Dulles Intl

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Wed 8/7

1 stop14h 37m

Washington, D.C. Dulles Intl

Thu 8/8

1 stop29h 16m

$287

Las Vegas Harry Reid IntlWashington, D.C. Dulles Intl

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Fri 9/27

1 stop20h 05m

Washington, D.C. Dulles Intl

Tue 10/1

1 stop26h 53m

$292

Las Vegas Harry Reid IntlWashington, D.C. Dulles Intl

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Wed 8/7

1 stop14h 37m

Washington, D.C. Dulles Intl

Sun 8/11

1 stop12h 00m

$295

Las Vegas Harry Reid IntlWashington, D.C. Dulles Intl

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Thu 10/10

Nonstop4h 38m

Washington, D.C. Dulles Intl

Sun 10/13

Nonstop5h 01m

$299

Las Vegas Harry Reid IntlWashington, D.C. Dulles Intl

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Wed 8/14

1 stop21h 50m

Washington, D.C. Dulles Intl

Wed 8/21

1 stop8h 39m

$300

Las Vegas Harry Reid IntlWashington, D.C. Dulles Intl

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Thu 8/15

1 stop6h 57m

Washington, D.C. Dulles Intl

Tue 8/20

1 stop7h 30m

$318

Las Vegas Harry Reid IntlWashington, D.C. Dulles Intl

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Wed 10/9

1 stop7h 48m

Washington, D.C. Dulles Intl

Sat 10/19

2 stops9h 10m

$371

Flights are sorted by cheapest first

Deals found on 7/23

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

Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to Dulles Intl. Price data was last updated on July 23, 2024.
Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Las Vegas to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

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

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

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Las Vegas 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 Dulles Intl by month

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

WAS

Temperature

35.6 - 80.6 °F

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated July 25, 2024.
Read reviews from past customers who have flown Delta, Sun Country Air and American Airlines from Las Vegas to Washington, D.C.. 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

Entertainment

7.2

Overall

8.1

Food

7.2

Comfort

7.9

Boarding

8.2

Crew

8.6

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

Entertainment

7.2

Overall

8.1

Food

7.2

Comfort

7.9

Boarding

8.2

Crew

8.6

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

Entertainment

7.2

Overall

8.1

Food

7.2

Comfort

7.9

Boarding

8.2

Crew

8.6

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

Entertainment

7.2

Overall

8.1

Food

7.2

Comfort

7.9

Boarding

8.2

Crew

8.6

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

Entertainment

7.2

Overall

8.1

Food

7.2

Comfort

7.9

Boarding

8.2

Crew

8.6

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

Entertainment

7.2

Overall

8.1

Food

7.2

Comfort

7.9

Boarding

8.2

Crew

8.6

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 Las Vegas to Dulles Intl. 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 from for flights from Las Vegas to Washington, D.C. Dulles Intl?

    Las Vegas Harry Reid Intl (LAS) is the airport you will fly out of if you book a flight from Las Vegas to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Harry Reid Intl; the airport handles an average of 1 outbound flight to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the Las Vegas airport to Washington, D.C. Dulles Intl. It is only a 6.2 mi journey to Harry Reid Intl (LAS) from Las Vegas’s city center.

  • Can I find flights from Las Vegas to Washington, D.C. Dulles Intl Airport for under $300 on Cheapflights?

    Yes, there are multiple flights from Las Vegas to Washington, D.C. Dulles Intl Airport for under $300. The cheapest flight booked recently is on Multiple Airlines for just $284, but on average you can expect to pay $300.

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

    Cheapflights has at least 20 direct flights from Las Vegas to Washington, D.C. Dulles Intl Airport under $300. A good price for a nonstop flight from Las Vegas to Washington, D.C. Dulles Intl Airport is less than $436.

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

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

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

    Nonstop flights can be found on the following days: Thursday, Friday, Saturday.

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

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

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

    Alaska Airlines, Sun Country Air, and United Airlines can get you from Las Vegas to Washington, D.C. Dulles Intl Airport in just under 4h 38m. Your travel time can differ by up to 17h 48m. There are 2072 mi between Las Vegas and Washington, D.C. Dulles Intl Airport. This flight may include one or multiple stops.

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

    Flying on Alaska Airlines is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $286. Additional round-trip tickets that might be worth considering are offered by Sun Country Air and United Airlines, with the lowest prices starting at $295 and $299, respectively. Users have found that Alaska Airlines is 29% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is Sun Country Air, with whom users have recently found tickets for as low as $120. However, be on the lookout for offers from Alaska Airlines and Delta, as they are both options that can get you from Las Vegas to Washington, D.C. Dulles Intl Airport for a low price.

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

    No one likes to see their flight delayed. When booking a flight from Las Vegas to Washington, D.C. Dulles Intl Airport consider choosing Austrian Airlines (86%), Brussels Airlines (86%) or United Airlines (74%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from Las Vegas to Washington, D.C. Dulles Intl Airport is generally $957, our data shows the cheapest flight currently is $144. When looking at the most popular route, (Las Vegas Harry Reid Intl - Washington, D.C. Dulles Intl), you can expect to pay $189 for that flight.

  • What does LAS to IAD mean?

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

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

    The amount of baggage you can bring on your Las Vegas to Dulles Intl 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 Las Vegas to Dulles Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Las Vegas to Dulles Intl 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 Las Vegas to Dulles Intl that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Las Vegas to Dulles Intl 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 Las Vegas to Dulles Intl that allow pets onboard?

    Many airlines flying from Las Vegas to Dulles Intl 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 Las Vegas to Dulles Intl?

    Yes, you can often find last-minute deals on Las Vegas to Dulles Intl 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 Las Vegas to Washington, D.C. Dulles Intl Airport flight deals updated?

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

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

    The most popular airlines flying from Las Vegas to Washington, D.C. Dulles Intl Airport are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

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

    Currently, September is the cheapest month in which you can book a flight from Las Vegas to Washington, D.C. Dulles Intl Airport (average of $278). Flying from Las Vegas to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $378). 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

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

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Top 5 airlines flying from Las Vegas to Dulles Intl

Discover the top 5 airlines that operate flights from Las Vegas to Dulles Intl. 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 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$143Average$242FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$144Average$255FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$229Average$435FlexibilityNo cancel feeOn-time69%
DeltaCheapest$256Average$308FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$259Average$362FlexibilityNo cancel feeOn-time71%
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Search flights from Las Vegas to Dulles Intl by cabin class

Find flights from Las Vegas to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Las Vegas to Dulles Intl

Find hourly flight availability from Las Vegas to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 25, 2024.
1%of flight departuresEarly morningMidnight to 6 am
27%of flight departuresMorning6 am to noon
57%of flight departuresAfternoonNoon to 6 pm
15%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Las Vegas to Dulles Intl

Explore weekly flight availability from Las Vegas to Dulles Intl. 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 25, 2024.
Sunday2daily flights
Monday2daily flights
Tuesday2daily flights
Wednesday2daily flights
Thursday2daily flights
Friday2daily flights
Saturday1daily flight

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