$105+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — LAS
Oct 22 — Oct 291
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 September 22, 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 September 22, 2026.
This deal was found by Cheapflights users on 9/21. 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 10/47:00 am -
1 stop6h 46m
Thu 10/811:56 am -
1 stop7h 03m
Deal found 9/21![Frontier logo]()
$207
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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.
Sat 10/177:00 am -
1 stop15h 43m
Tue 10/209:45 am -
1 stop23h 19m
Deal found 9/17![Frontier logo]()
$212
This Frontier deal was found by Cheapflights users on 9/17. 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.
Wed 12/27:00 am -
1 stop13h 59m
Sat 12/58:53 am -
1 stop10h 06m
Deal found 9/17![Frontier logo]()
$214
This CheapOair deal was found by Cheapflights users on 9/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 pm -
1 stop8h 43m
Wed 10/289:37 am -
1 stop9h 13m
Deal found 9/18![Frontier logo]()
$215
This CheapOair deal was found by Cheapflights users on 9/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 pm -
1 stop8h 43m
Tue 11/176:45 am -
1 stop7h 02m
Deal found 9/17![Frontier logo]()
$217
This Trip.com deal was found by Cheapflights users on 9/17. 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 10/176:00 pm -
1 stop8h 43m
Sat 10/2411:38 am -
1 stop7h 21m
Deal found 9/17![Frontier logo]()
$219
This Frontier deal was found by Cheapflights users on 9/17. 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.
Sat 10/106:00 pm -
1 stop8h 43m
Sat 10/176:45 am -
1 stop12h 14m
Deal found 9/17![Frontier logo]()
$223
This CheapOair deal was found by Cheapflights users on 9/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 am -
1 stop15h 43m
Sat 10/2411:38 am -
1 stop7h 21m
Deal found 9/17![Frontier logo]()
$224
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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.
Tue 10/137:00 am -
1 stop15h 43m
Sat 10/179:38 am -
1 stop9h 21m
Deal found 9/17![Frontier logo]()
$226
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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.
Mon 12/71:40 pm -
1 stop13h 10m
Tue 12/159:09 pm -
1 stop12h 46m
Deal found 9/17![Frontier logo]()
$230
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 September 22, 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 September 22, 2026.
This Southwest deal was found by Cheapflights users on 9/21. 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 11/411:40 am -
1 stop9h 50m
Sat 11/71:35 pm -
Nonstop4h 25m
Deal found 9/21![Southwest logo]()
$287
This Delta deal was found by Cheapflights users on 9/19. 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 12/112:30 pm -
1 stop9h 16m
Sat 12/56:00 am -
1 stop8h 25m
Deal found 9/19![Delta logo]()
$297
This JetBlue deal was found by Cheapflights users on 9/18. 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.
Wed 10/143:38 pm -
1 stop10h 53m
Wed 10/218:44 pm -
1 stop8h 03m
Deal found 9/18![JetBlue logo]()
$328
This Southwest deal was found by Cheapflights users on 9/17. 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 12/85:35 pm -
Nonstop5h 25m
Thu 12/109:25 am -
Nonstop4h 20m
Deal found 9/17![Southwest logo]()
$300
This Delta deal was found by Cheapflights users on 9/17. 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.
Wed 1/131:45 pm -
1 stop9h 31m
Mon 1/1811:25 pm -
1 stop6h 19m
Deal found 9/17![Delta logo]()
$308
This Southwest deal was found by Cheapflights users on 9/20. 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 11/108:25 am -
2 stops10h 05m
Fri 11/1312:40 pm -
2 stops8h 15m
Deal found 9/20![Southwest logo]()
$327
This Delta deal was found by Cheapflights users on 9/17. 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 1/256:25 pm -
1 stop7h 30m
Fri 1/2912:10 pm -
1 stop7h 04m
Deal found 9/17![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 9/20. 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.
Sun 11/86:40 pm -
Nonstop5h 20m
Wed 11/1112:25 pm -
1 stop8h 25m
Deal found 9/20![Southwest logo]()
$357
This Southwest deal was found by Cheapflights users on 9/21. 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 11/184:00 pm -
2 stops8h 50m
Sat 11/2110:45 am -
2 stops7h 50m
Deal found 9/21![Southwest logo]()
$377
This Southwest deal was found by Cheapflights users on 9/21. 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 10/177:30 am -
Nonstop5h 10m
Sat 10/2412:40 pm -
Nonstop4h 40m
Deal found 9/21![Southwest logo]()
$377
This Southwest deal was found by Cheapflights users on 9/19. 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 2/13:55 pm -
Nonstop5h 25m
Fri 2/55:05 am -
1 stop7h 50m
Deal found 9/19![Southwest logo]()
$419
This Southwest deal was found by Cheapflights users on 9/18. 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 10/214:40 pm -
Nonstop5h 05m
Mon 10/2611:35 pm -
1 stop5h 55m
Deal found 9/18![Southwest logo]()
$429
Last-minute flights from Reagan-National to Las VegasDiscover last-minute flight deals from Reagan-National to Las Vegas. Data last updated September 22, 2026 and is based on user searches.
Discover last-minute flight deals from Reagan-National to Las Vegas. Data last updated September 22, 2026 and is based on user searches.
This deal was found by Cheapflights users on 9/21. 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 10/47:00 am -
1 stop6h 46m
Thu 10/811:56 am -
1 stop7h 03m
Deal found 9/21![Frontier logo]()
$207
This Frontier deal was found by Cheapflights users on 9/17. 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.
Sat 10/106:00 pm -
1 stop8h 43m
Sat 10/176:45 am -
1 stop7h 11m
Deal found 9/17![Frontier logo]()
$223
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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.
Tue 10/137:00 am -
1 stop15h 43m
Sat 10/179:38 am -
1 stop9h 21m
Deal found 9/17![Frontier logo]()
$226
This Expedia deal was found by Cheapflights users on 9/16. 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 10/137:00 am -
1 stop28h 34m
Tue 10/206:45 am -
1 stop7h 11m
Deal found 9/16![Frontier logo]()
$228
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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.
Sat 10/176:00 pm -
1 stop8h 43m
Sat 10/246:45 am -
1 stop12h 14m
Deal found 9/17![Frontier logo]()
$212
This CheapOair deal was found by Cheapflights users on 9/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 am -
1 stop15h 43m
Sat 10/2411:38 am -
1 stop7h 21m
Deal found 9/17![Frontier logo]()
$224
This Cheapflightsfares deal was found by Cheapflights users on 9/18. 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 10/217:00 am -
1 stop15h 43m
Mon 10/268:48 pm -
1 stop16h 59m
Deal found 9/18![Frontier logo]()
$230
This CheapOair deal was found by Cheapflights users on 9/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 pm -
1 stop8h 43m
Wed 10/289:37 am -
1 stop9h 13m
Deal found 9/18![Frontier logo]()
$215
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 September 22, 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 September 22, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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.
Sat 12/56:00 pm -
1 stop8h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$105
This Super.com deal was found by Cheapflights users on 9/18. 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.
Sat 11/76:00 pm -
1 stop8h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$106
This Priceline deal was found by Cheapflights users on 9/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 pm -
1 stop8h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$107
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 10/217:00 am -
1 stop15h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$111
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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.
Sat 10/241:00 pm -
1 stop9h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$112
This Super.com deal was found by Cheapflights users on 9/17. 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.
Tue 10/66:00 pm -
1 stop8h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$113
This deal was found by Cheapflights users on 9/17. 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 10/106:00 pm -
1 stop8h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$114
This Trip.com deal was found by Cheapflights users on 9/17. 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.
Tue 11/37:00 am -
1 stop10h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$117
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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.
Tue 10/137:00 am -
1 stop15h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$118
This Mytrip deal was found by Cheapflights users on 9/17. 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.
Wed 10/77:00 am -
1 stop19h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:00 pm -
1 stop8h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$121
This Super.com deal was found by Cheapflights users on 9/16. 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.
Mon 11/91:00 pm -
1 stop9h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$123
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 September 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $207 |
One-way from | $105 (Cheapflightsfares) |
Popular in | September |
Cheapest in | August |
Average price | $586 |
Good round-trip deal | $476 or less |
Good one-way deal | $233 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 September 22, 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
Quickest 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 11/3
5:35 pm-8:00 pm
Nonstop5h 25m
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
Wed 11/4
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
$139
Washington, D.C.Las Vegas
DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl
DCALAS
Washington, D.C. Reagan-National
Sun 12/13
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
$147
Washington, D.C.Las Vegas
DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl
DCALAS
Washington, D.C. Reagan-National
Sun 11/1
3:54 pm-11:40 pm
1 stop10h 46m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$148
Washington, D.C.Las Vegas
DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl
DCALAS
Washington, D.C. Reagan-National
Sat 10/24
6:10 am-11:30 am
2 stops8h 20m
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
Thu 12/17
12:30 pm-6:44 pm
1 stop9h 14m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$163
Washington, D.C.Las Vegas
DCA Washington, D.C. Reagan-National - LAS Las Vegas Harry Reid Intl
DCALAS
Washington, D.C. Reagan-National
Thu 12/3
5:35 pm-8:00 pm
Nonstop5h 25m
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 10/13
5:00 pm-11:31 pm
1 stop9h 31m
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
Mon 10/19
5:00 pm-11:31 pm
1 stop9h 31m
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
Thu 12/17
6:15 am-11:39 am
1 stop8h 24m
Las Vegas Harry Reid Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$194
Showing 1-10 of 24 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 September.
| 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
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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 $586). 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 September 22, 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 156 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 Sunday 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 September 22, 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.
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
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.
Traveling to a place near Las Vegas?
Book flights to Las Vegas if you plan to visit one of these locationsParadise
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Other flights to Las Vegas
Explore flights to Las Vegas departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 22, 2026.
Reagan-National and Las Vegas flights
Browse other Reagan-National and Las Vegas flight options. Last updated on September 22, 2026.
Other flights from Reagan-National
Browse through other flights departing from Reagan-National. Flights are based on user searches made on Cheapflights and were last updated on September 22, 2026.
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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 September 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$150 | Average$319 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$188 | Average$387 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$206 | Average$552 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$241 | Average$384 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$256 | Average$502 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$305 | Average$568 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$355 | Average$635 | FlexibilityNo cancel fee | On-time69% |