How far in advance should I book tickets for a flight with Southwest from Washington, D.C. Reagan-National Airport to Las Vegas?

Generally, when trying to get a below average price for your ticket, try to book around 13 days before departure. For the cheapest possible price, our data suggests booking 54 days before departure.

Is Southwest the cheapest airline to fly with from Washington, D.C. Reagan-National Airport to Las Vegas?

With an average price of $463 return, Southwest is not the cheapest airline to fly from Washington, D.C. Reagan-National Airport to Las Vegas with. Instead, for the lowest price, our data suggests flying with Spirit Airlines, where a return flight costs $237 on average.

Does Southwest fly direct to Las Vegas from Washington, D.C. Reagan-National Airport?

Yes, Southwest does offer direct flights for the route, with around 7 flights per week.

What’s the cheapest day of the week to fly from Washington, D.C. Reagan-National Airport to Las Vegas with Southwest?

On average, the cheapest day of the week to fly from Washington, D.C. Reagan-National Airport to Las Vegas with Southwest is Sunday, when prices are around $81. The most expensive day is generally Wednesday, where the average price is around $189.

What’s the cheapest month to fly from Washington, D.C. Reagan-National Airport to Las Vegas with Southwest?

The cheapest month for Southwest flights to Las Vegas from Washington, D.C. Reagan-National Airport is generally May, where plane tickets cost $214 on average. If possible, try to avoid the most expensive months of March and January, where tickets cost $314 and $322 respectively.

$130 Cheap Southwest Flights from Washington, D.C. Reagan-National Airport to Las Vegas

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Flight Deals

Cheap Southwest Flight Deals from Washington, D.C. Reagan-National Airport to Las Vegas

Here are some of the best deals found on KAYAK recently from Southwest for round-trip flights from Washington, D.C. Reagan-National Airport to Las Vegas that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip Southwest flight deals from Washington, D.C. Reagan-National Airport to Las Vegas

Thu, Dec 4 - Mon, Dec 8

6:10 am - 12:25 pmDCA-LAS

9h 15m1 stop

11:40 pm - 10:15 amLAS-DCA

7h 35m1 stop

$259Southwest

Find Deal

Sat, Feb 14 - Wed, Feb 18

1:30 pm - 8:25 pmDCA-LAS

9h 55m2 stops

1:10 pm - 11:15 pmLAS-DCA

7h 05m1 stop

$264Southwest

Find Deal

Wed, Feb 11 - Sat, Feb 14

2:45 pm - 8:50 pmDCA-LAS

9h 05m1 stop

7:45 am - 3:15 pmLAS-DCA

4h 30mnonstop

$286Southwest

Find Deal

Sun, Nov 2 - Tue, Nov 4

7:30 pm - 11:55 pmDCA-LAS

7h 25m1 stop

11:05 am - 9:55 pmLAS-DCA

7h 50m2 stops

$294Southwest

Find Deal

Wed, Dec 24 - Wed, Dec 31

1:40 pm - 6:40 pmDCA-LAS

8h 00m1 stop

11:40 pm - 10:15 amLAS-DCA

7h 35m1 stop

$296Southwest

Find Deal

Fri, Dec 5 - Mon, Dec 8

6:55 pm - 11:00 pmDCA-LAS

7h 05m1 stop

11:40 pm - 10:15 amLAS-DCA

7h 35m1 stop

$299Southwest

Find Deal

Wed, Dec 24 - Wed, Dec 31

2:45 pm - 10:00 pmDCA-LAS

10h 15m1 stop

7:55 am - 5:50 pmLAS-DCA

6h 55m1 stop

$301Southwest

Find Deal

Tue, Dec 2 - Fri, Dec 5

6:10 pm - 10:00 pmDCA-LAS

6h 50m1 stop

9:15 am - 8:30 pmLAS-DCA

8h 15m2 stops

$304Southwest

Find Deal

Wed, Dec 24 - Wed, Dec 31

2:45 pm - 10:00 pmDCA-LAS

10h 15m1 stop

7:55 am - 7:05 pmLAS-DCA

8h 10m2 stops

$307Southwest

Find Deal

Fri, Feb 20 - Sat, Feb 21

4:15 pm - 6:35 pmDCA-LAS

5h 20mnonstop

7:45 am - 3:15 pmLAS-DCA

4h 30mnonstop

$313Southwest

Find Deal

Useful Info

Low season	August
High season	December
Cheapest flight	$130
Average price round-trip	$426

Best time to beat the crowds with an average 16% drop in price.

Most popular time to fly with an average 19% increase in price.

Flight from Reagan Washington National Airport to Las Vegas

(price for this month)

When to Book Flights with Southwest from Washington, D.C. Reagan-National Airport to Las Vegas

Average price per month

Flight prices as travel date approaches

How far in advance should I book tickets for a flight with Southwest from Washington, D.C. Reagan-National Airport to Las Vegas?
Generally, when trying to get a below average price for your ticket, try to book around 13 days before departure. For the cheapest possible price, our data suggests booking 54 days before departure.
Is Southwest the cheapest airline to fly with from Washington, D.C. Reagan-National Airport to Las Vegas?
With an average price of $463 return, Southwest is not the cheapest airline to fly from Washington, D.C. Reagan-National Airport to Las Vegas with. Instead, for the lowest price, our data suggests flying with Spirit Airlines, where a return flight costs $237 on average.
What is the cheapest Southwest flight from Washington, D.C. Reagan-National Airport to Las Vegas?
In the last 3 days, the lowest price for a flight with Southwest from Washington, D.C. Reagan-National Airport to Las Vegas was $267 for a return flight and $123 for a one-way flight.
Does Southwest fly direct to Las Vegas from Washington, D.C. Reagan-National Airport?
Yes, Southwest does offer direct flights for the route, with around 7 flights per week.
What’s the cheapest day of the week to fly from Washington, D.C. Reagan-National Airport to Las Vegas with Southwest?
On average, the cheapest day of the week to fly from Washington, D.C. Reagan-National Airport to Las Vegas with Southwest is Sunday, when prices are around $81. The most expensive day is generally Wednesday, where the average price is around $189.
What’s the cheapest month to fly from Washington, D.C. Reagan-National Airport to Las Vegas with Southwest?
The cheapest month for Southwest flights to Las Vegas from Washington, D.C. Reagan-National Airport is generally May, where plane tickets cost $214 on average. If possible, try to avoid the most expensive months of March and January, where tickets cost $314 and $322 respectively.

8.0

Very good4,235 verified ratings

8.0Comfort

8.6Crew

7.0Food

7.5Entertainment

8.1Boarding

Pros +

Cons -

Show reviews that mention

2.0 Poor

TODD, Oct 2025

CMH-MDW

2.5 hours late but no one said why.

10.0 Wonderful

Aleksandar, Oct 2025

OAK-SAN

On time, and it was not full flight

4.0 Mediocre

Annette, Oct 2025

LGA-MCI

Flight was delayed due to plane not passing inspection And one of the crew had to time out and we had to wait for another one A 3 hour delay

10.0 Wonderful

Gerald, Oct 2025

SJC-PDX

Boarding quick & efficient. Crew was friendly. Arrived early

6.0 Okay

Hung, Oct 2025

PHX-ABQ

mandatory demand customer to check their carry on because not enough people check bags.

8.0 Very good

Annette, Oct 2025

MCI-LGA

Good non stop is always good

10.0 Wonderful

Gabriel, Sep 2025

DEN-SMF

Connecting flight is on time and boarding was a breeze!

10.0 Wonderful

Gabriel, Sep 2025

LGA-DEN

Easy boarding process. No delays!

10.0 Wonderful

Melissa, Sep 2025

MDW-DTW

Excellent

10.0 Wonderful

Melissa, Sep 2025

MSY-MDW

Excellent. Would encourage Southwest to keep current boarding procedures with free style seating. Makes for a fantastic experience

Everything you need to know for your flight from Washington, D.C. Reagan-National Airport to Las Vegas

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Cabin class types available on flights to Las Vegas

First Class flights from Washington, D.C. Reagan-National Airport to Las Vegas

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$130 Find Cheap Southwest Flights from Washington, D.C. Reagan-National Airport to Las Vegas

Search hundreds of travel sites at once for deals on Southwest flights from Washington, D.C. Reagan-National Airport to Las Vegas

Cheap Southwest Flight Deals from Washington, D.C. Reagan-National Airport to Las Vegas

Recent round-trip Southwest flight deals from Washington, D.C. Reagan-National Airport to Las Vegas

Recent one-way Southwest flight deals from Washington, D.C. Reagan-National Airport to Las Vegas

Recent last minute Southwest flight deals from Washington, D.C. Reagan-National Airport to Las Vegas

Recent direct Southwest flight deals from Washington, D.C. Reagan-National Airport to Las Vegas

Good to know

When to Book Flights with Southwest from Washington, D.C. Reagan-National Airport to Las Vegas

FAQs for flying to Las Vegas with Southwest

How far in advance should I book tickets for a flight with Southwest from Washington, D.C. Reagan-National Airport to Las Vegas?

Is Southwest the cheapest airline to fly with from Washington, D.C. Reagan-National Airport to Las Vegas?

What is the cheapest Southwest flight from Washington, D.C. Reagan-National Airport to Las Vegas?

Does Southwest fly direct to Las Vegas from Washington, D.C. Reagan-National Airport?

What’s the cheapest day of the week to fly from Washington, D.C. Reagan-National Airport to Las Vegas with Southwest?

What’s the cheapest month to fly from Washington, D.C. Reagan-National Airport to Las Vegas with Southwest?

Southwest Customer Reviews

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Everything you need to know for your flight from Washington, D.C. Reagan-National Airport to Las Vegas

Cabin class types available on flights to Las Vegas

Cabin classes available on flights to Washington, D.C. Reagan-National Airport. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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Top Southwest flights

The most popular destinations for flights with Southwest according to clicks from KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.