$124+ Cheap flights from Reagan-National (DCA) to Las Vegas (LAS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LAS
Nov 7 — Nov 141
Round-trip
1 adult, Economy
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Find cheap flights from Reagan-National to Las Vegas with Cheapflights
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.Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Las Vegas Harry Reid Intl are usually found in August or November, booked 33 days in advance, depart on a Tuesday or Saturday and return on a Tuesday
Cheap flight deals from Reagan-National to Las Vegas
Cheapest
Best
Last-minute
One-way
Cheapest flights from Reagan-National to Las VegasExplore the most affordable flight options available from Reagan-National to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 8, 2026.
Explore the most affordable flight options available from Reagan-National to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 8, 2026.
This JetBlue deal was found by Cheapflights users on 10/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:09 pm -
1 stop10h 19m
Wed 11/187:00 am -
1 stop11h 00m
Deal found 10/5![JetBlue logo]()
$250
This Southwest deal was found by Cheapflights users on 10/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:10 am -
1 stop7h 00m
Tue 11/1012:20 pm -
2 stops8h 30m
Deal found 10/4![Southwest logo]()
$253
This Southwest deal was found by Cheapflights users on 10/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:35 pm -
Nonstop5h 25m
Thu 11/51:15 am -
1 stop7h 45m
Deal found 10/4![Southwest logo]()
$254
This Alaska Airlines deal was found by Cheapflights users on 10/4. 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 12/86:59 pm -
1 stop16h 39m
Thu 12/108:02 am -
1 stop9h 58m
Deal found 10/4![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 10/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:35 pm -
Nonstop5h 25m
Fri 11/1312:10 pm -
2 stops8h 45m
Deal found 10/4![Southwest logo]()
$259
This Southwest deal was found by Cheapflights users on 10/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:45 pm -
1 stop7h 00m
Mon 11/91:15 am -
1 stop7h 50m
Deal found 10/5![Southwest logo]()
$264
This American Airlines deal was found by Cheapflights users on 10/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/128:00 am -
Nonstop5h 31m
Tue 12/1512:06 pm -
Nonstop4h 29m
Deal found 10/6![American Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:26 pm -
1 stop8h 09m
Wed 10/2810:20 pm -
1 stop7h 25m
Deal found 10/5![Delta logo]()
$268
This JetBlue deal was found by Cheapflights users on 10/4. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:49 pm -
1 stop9h 00m
Tue 11/108:58 pm -
1 stop9h 50m
Deal found 10/4![JetBlue logo]()
$270
This JetBlue deal was found by Cheapflights users on 10/4. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/13:35 pm -
1 stop8h 35m
Sat 12/511:59 pm -
1 stop9h 11m
Deal found 10/4![JetBlue logo]()
$271
Best flights from Reagan-National to Las VegasDiscover carefully curated flight deals from Reagan-National to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 8, 2026.
Discover carefully curated flight deals from Reagan-National to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 8, 2026.
This Southwest deal was found by Cheapflights users on 10/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:00 am -
2 stops10h 20m
Tue 11/101:15 am -
1 stop7h 50m
Deal found 10/5![Southwest logo]()
$253
This JetBlue deal was found by Cheapflights users on 10/3. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/54:45 pm -
1 stop9h 04m
Mon 12/149:27 pm -
1 stop10h 00m
Deal found 10/3![JetBlue logo]()
$289
This Delta deal was found by Cheapflights users on 10/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:05 am -
1 stop8h 54m
Fri 12/411:30 pm -
1 stop6h 19m
Deal found 10/6![Delta logo]()
$308
This Southwest deal was found by Cheapflights users on 10/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:10 am -
2 stops8h 25m
Sat 11/148:30 am -
2 stops8h 25m
Deal found 10/6![Southwest logo]()
$278
This Southwest deal was found by Cheapflights users on 10/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/34:00 pm -
2 stops8h 45m
Sat 11/77:40 am -
2 stops8h 45m
Deal found 10/6![Southwest logo]()
$278
This JetBlue deal was found by Cheapflights users on 10/3. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:35 pm -
1 stop10h 14m
Tue 11/310:29 pm -
1 stop8h 30m
Deal found 10/3![JetBlue logo]()
$318
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/33:59 pm -
1 stop6h 53m
Sat 11/76:20 am -
1 stop8h 49m
Deal found 10/5![Delta logo]()
$347
This Southwest deal was found by Cheapflights users on 10/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:05 pm -
2 stops9h 00m
Tue 11/31:15 am -
1 stop7h 50m
Deal found 10/3![Southwest logo]()
$318
This JetBlue deal was found by Cheapflights users on 10/3. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/63:35 pm -
1 stop10h 14m
Sun 11/811:59 pm -
1 stop8h 11m
Deal found 10/3![JetBlue logo]()
$375
This Southwest deal was found by Cheapflights users on 10/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:40 pm -
1 stop7h 15m
Thu 10/291:45 pm -
1 stop6h 10m
Deal found 10/5![Southwest logo]()
$355
Last-minute flights from Reagan-National to Las VegasDiscover last-minute flight deals from Reagan-National to Las Vegas. Data last updated October 8, 2026 and is based on user searches.
Discover last-minute flight deals from Reagan-National to Las Vegas. Data last updated October 8, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:26 pm -
1 stop8h 09m
Wed 10/2810:20 pm -
1 stop7h 25m
Deal found 10/5![Delta logo]()
$268
This JetBlue deal was found by Cheapflights users on 10/6. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:10 am -
1 stop10h 02m
Mon 11/211:59 pm -
1 stop9h 20m
Deal found 10/6![JetBlue logo]()
$272
This Southwest deal was found by Cheapflights users on 10/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:10 am -
1 stop7h 00m
Tue 11/1012:20 pm -
2 stops8h 30m
Deal found 10/4![Southwest logo]()
$253
This Expedia deal was found by Cheapflights users on 10/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:59 pm -
1 stop19h 42m
Fri 11/68:24 pm -
1 stop16h 56m
Deal found 10/3![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 10/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:35 pm -
Nonstop5h 25m
Thu 11/51:15 am -
1 stop7h 45m
Deal found 10/4![Southwest logo]()
$254
This Southwest deal was found by Cheapflights users on 10/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:45 pm -
1 stop7h 00m
Mon 11/91:15 am -
1 stop7h 50m
Deal found 10/5![Southwest logo]()
$264
This JetBlue deal was found by Cheapflights users on 10/4. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:49 pm -
1 stop9h 00m
Tue 11/108:58 pm -
1 stop9h 50m
Deal found 10/4![JetBlue logo]()
$270
This JetBlue deal was found by Cheapflights users on 10/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:09 pm -
1 stop10h 19m
Wed 11/187:00 am -
1 stop11h 00m
Deal found 10/5![JetBlue logo]()
$250
This Southwest deal was found by Cheapflights users on 10/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:35 pm -
Nonstop5h 25m
Fri 11/1312:10 pm -
2 stops8h 45m
Deal found 10/4![Southwest logo]()
$259
This American Airlines deal was found by Cheapflights users on 10/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:00 am -
Nonstop5h 27m
Wed 11/2512:07 pm -
Nonstop4h 28m
Deal found 10/6![American Airlines logo]()
$267
One-way flights from Reagan-National to Las VegasSearch for one-way flight options from Reagan-National to Las Vegas. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.
Search for one-way flight options from Reagan-National to Las Vegas. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/3. 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 11/36:59 pm -
1 stop19h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Alaska Airlines logo]()
$124
This Southwest deal was found by Cheapflights users on 10/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:00 am -
2 stops10h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Southwest logo]()
$129
This Southwest deal was found by Cheapflights users on 10/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:35 pm -
Nonstop5h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Southwest logo]()
$130
This Super.com deal was found by Cheapflights users on 10/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:00 pm -
1 stop9h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$131
This Super.com deal was found by Cheapflights users on 10/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:00 pm -
1 stop8h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$132
This Frontier deal was found by Cheapflights users on 10/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:00 am -
1 stop10h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Frontier logo]()
$133
This Mytrip deal was found by Cheapflights users on 10/6. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:00 pm -
2 stops15h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Frontier logo]()
$135
This JetBlue deal was found by Cheapflights users on 10/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/263:35 pm -
1 stop10h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![JetBlue logo]()
$137
This JetBlue deal was found by Cheapflights users on 10/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:50 pm -
1 stop9h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![JetBlue logo]()
$138
This JetBlue deal was found by Cheapflights users on 10/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/124:45 pm -
1 stop9h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![JetBlue logo]()
$139
Find flight deals from Reagan-National to Las Vegas
Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 October 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $250 (JetBlue) |
One-way from | $124 (Alaska Airlines) |
Popular in | September |
Cheapest in | August |
Average price | $569 |
Good round-trip deal | $453 or less |
Good one-way deal | $202 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Reagan-National 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 7,457,451 searches. Data last updated October 8, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Las Vegas that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Las Vegas
DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl
DCALAS
Washington, D.C. Reagan-National
Tue 12/1
3:35 pm-9:10 pm
1 stop8h 35m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$139
Washington, D.C.Las Vegas
DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl
DCALAS
Washington, D.C. Reagan-National
Sat 12/5
4:45 pm-10:49 pm
1 stop9h 04m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$139
Washington, D.C.Las Vegas
DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl
DCALAS
Washington, D.C. Reagan-National
Fri 12/4
12:01 pm-8:17 pm
1 stop11h 16m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$144
Washington, D.C.Las Vegas
DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl
DCALAS
Washington, D.C. Reagan-National
Wed 11/18
11:40 am-4:30 pm
1 stop7h 50m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$149
Washington, D.C.Las Vegas
DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl
DCALAS
Washington, D.C. Reagan-National
Sat 10/31
4:49 pm-10:49 pm
1 stop9h 00m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$170
Washington, D.C.Las Vegas
DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl
DCALAS
Washington, D.C. Reagan-National
Mon 12/21
6:05 pm-10:38 pm
1 stop7h 33m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$174
Washington, D.C.Las Vegas
DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl
DCALAS
Washington, D.C. Reagan-National
Wed 10/28
1:09 pm-8:28 pm
1 stop10h 19m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$189
Washington, D.C.Las Vegas
DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl
DCALAS
Washington, D.C. Reagan-National
Tue 10/27
2:06 pm-8:28 pm
1 stop9h 22m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$189
Washington, D.C.Las Vegas
DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl
DCALAS
Washington, D.C. Reagan-National
Wed 11/4
7:40 am-4:03 pm
2 stops11h 23m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$194
Washington, D.C.Las Vegas
DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl
DCALAS
Washington, D.C. Reagan-National
Wed 1/6
6:00 am-2:43 pm
2 stops11h 43m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$194
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Reagan-National to Las Vegas
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Las Vegas in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Las Vegas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Las Vegas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Las Vegas flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Las Vegas flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Las Vegas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Reagan-National to Las Vegas
Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Reagan-National with our price prediction graph.
DCA-LAS
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.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Las Vegas
Prices
Airlines
Delays
More
How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Las Vegas?
The best time to book flights from Washington, D.C. Reagan-National Airport to Las Vegas is 32 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Las Vegas?
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Las Vegas (average of $395). Flying from Washington, D.C. Reagan-National Airport to Las Vegas in September is currently the most expensive (average of $585). 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.
What is the cheapest time of day to fly from DCA to LAS?
Find hourly flight availability from Reagan-National 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 October 8, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Las Vegas as you normally would.
How often are flights from Washington, D.C. to Las Vegas delayed?
About 26% of weekly flights between Washington, D.C. and Las Vegas have experienced delays in the past year, with the average delay time being 157 minutes.
What is the most punctual flight time for Washington, D.C. to Las Vegas flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Washington, D.C. to Las Vegas flights?
Over the last year, American Airlines have had the lowest number of delays on this route, with just 10% of flights being delayed.
What’s the top layover airport for flights from Washington, D.C. Reagan-National Airport to Las Vegas?
Share of 1-stop round-trip flights from Washington, D.C. Reagan-National Airport to Las Vegas chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 60% of 1-stop itineraries from Washington, D.C. Reagan-National Airport to Las Vegas on Cheapflights.
What’s the cheapest layover airport for flights from Washington, D.C. Reagan-National Airport to Las Vegas?
Average round-trip fare for 1-stop flights from Washington, D.C. Reagan-National Airport to Las Vegas, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $338.
What’s the fastest layover option from Washington, D.C. Reagan-National Airport to Las Vegas?
Shortest average travel time for 1-stop one-way flights from Washington, D.C. Reagan-National Airport to Las Vegas, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 8h 17m.
Which airport typically offers the quickest layover for flights from Washington, D.C. Reagan-National Airport to Las Vegas?
Average layover duration for 1-stop one-way flights from Washington, D.C. Reagan-National Airport to Las Vegas, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Boston (BOS) offer the fastest connection on this route, with an average layover time of 1h 17m.
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 October 8, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Las Vegas, such as Southwest,United Airlines, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Entertainment
7.5
Overall
7.9
Comfort
8.0
Crew
8.6
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Reagan-National to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Top 7 airlines flying from Reagan-National to Las Vegas
Discover the top 7 airlines that operate flights from Reagan-National 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 7,457,451 searches. Data last updated October 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$150 | Average$326 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$206 | Average$549 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$241 | Average$384 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$248 | Average$387 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$256 | Average$498 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$301 | Average$567 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$355 | Average$604 | FlexibilityNo cancel fee | On-time69% |