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Cheap flights from Las Vegas to District of Columbia from $56

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to District of Columbia departing on 8/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Las Vegas to District of Columbia

Cheap round-trip flights

Frontier Logo
11:00 pm - 6:34 amLAS-IAD
4h 34mnonstop
Frontier Logo
7:30 am - 9:29 amIAD-LAS
4h 59mnonstop
$163Frontier
Find Deal
Fri, Aug 15 - Mon, Aug 18
Frontier Logo
11:00 pm - 6:34 amLAS-IAD
4h 34mnonstop
Frontier Logo
8:00 am - 9:59 amIAD-LAS
4h 59mnonstop
$165Frontier
Find Deal
Thu, Aug 14 - Thu, Aug 21
United Airlines Logo
10:45 pm - 6:20 amLAS-IAD
4h 35mnonstop
United Airlines Logo
7:59 pm - 9:58 pmIAD-LAS
4h 59mnonstop
$181United Airlines
Find Deal
Thu, Sep 18 - Sun, Sep 21
American Airlines Logo
12:27 pm - 8:15 pmLAS-DCA
4h 48mnonstop
American Airlines Logo
9:30 am - 11:37 amDCA-LAS
5h 07mnonstop
$181American Airlines
Find Deal
Wed, Sep 17 - Wed, Sep 24
United Airlines Logo
10:45 pm - 6:20 amLAS-IAD
4h 35mnonstop
United Airlines Logo
7:59 pm - 9:58 pmIAD-LAS
4h 59mnonstop
$196United Airlines
Find Deal
Fri, Aug 22 - Tue, Sep 2
Southwest Logo
8:25 am - 4:00 pmLAS-DCA
4h 35mnonstop
Southwest Logo
6:05 am - 8:05 amDCA-LAS
5h 00mnonstop
$214Southwest
Find Deal
Sun, Aug 31 - Sat, Sep 6
American Airlines Logo
12:27 pm - 8:15 pmLAS-DCA
4h 48mnonstop
American Airlines Logo
9:00 am - 11:26 amDCA-LAS
5h 26mnonstop
$219American Airlines
Find Deal
Wed, Sep 17 - Sat, Sep 20
Southwest Logo
8:00 am - 3:35 pmLAS-DCA
4h 35mnonstop
Southwest Logo
4:40 pm - 7:55 pmDCA-LAS
6h 15m1 stop
$220Southwest
Find Deal
Sat, Aug 30 - Mon, Sep 1
Delta Logo
10:15 pm - 9:14 amLAS-DCA
7h 59m1 stop
Delta Logo
12:20 pm - 5:15 pmDCA-LAS
7h 55m1 stop
$257Delta
Find Deal
Thu, Aug 21 - Wed, Aug 27
Delta Logo
11:31 pm - 11:23 amLAS-IAD
8h 52m1 stop
Delta Logo
7:22 am - 12:09 pmIAD-LAS
7h 47m1 stop
$257Delta
Find Deal
Fri, Aug 22 - Sun, Aug 24

Alaska Airlines flights from Las Vegas to District of Columbia

Our best Alaska Airlines deals on Las Vegas to District of Columbia flight tickets
Alaska Airlines
Sep 25
LAS5:14 pmLas Vegas Harry Reid Intl
20h 38m
1 stop
IAD4:52 pmWashington, D.C. Dulles Intl
Sep 29
IAD5:52 pmWashington, D.C. Dulles Intl
8h 34m
1 stop
LAS11:26 pmLas Vegas Harry Reid Intl
$201
Find similar
Alaska Airlines
Sep 18
LAS7:47 pmLas Vegas Harry Reid Intl
18h 05m
1 stop
IAD4:52 pmWashington, D.C. Dulles Intl
Sep 21
IAD5:52 pmWashington, D.C. Dulles Intl
8h 34m
1 stop
LAS11:26 pmLas Vegas Harry Reid Intl
$228
Find similar
Alaska Airlines
Aug 20
LAS5:14 pmLas Vegas Harry Reid Intl
20h 33m
1 stop
IAD4:47 pmWashington, D.C. Dulles Intl
Aug 24
IAD5:52 pmWashington, D.C. Dulles Intl
8h 34m
1 stop
LAS11:26 pmLas Vegas Harry Reid Intl
$230
Find similar

Frontier flights from Las Vegas to District of Columbia

Our best Frontier deals on Las Vegas to District of Columbia flight tickets
Frontier
Aug 15
LAS11:00 pmLas Vegas Harry Reid Intl
4h 34m
IAD6:34 amWashington, D.C. Dulles Intl
Aug 18
IAD7:30 amWashington, D.C. Dulles Intl
4h 59m
LAS9:29 amLas Vegas Harry Reid Intl
$163
Find similar
Frontier
Aug 14
LAS11:00 pmLas Vegas Harry Reid Intl
4h 34m
IAD6:34 amWashington, D.C. Dulles Intl
Aug 21
IAD8:00 amWashington, D.C. Dulles Intl
4h 59m
LAS9:59 amLas Vegas Harry Reid Intl
$165
Find similar
Frontier
Aug 14
LAS11:00 pmLas Vegas Harry Reid Intl
4h 34m
IAD6:34 amWashington, D.C. Dulles Intl
Aug 17
IAD7:30 amWashington, D.C. Dulles Intl
4h 59m
LAS9:29 amLas Vegas Harry Reid Intl
$180
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Las Vegas to District of Columbia 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, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Las Vegas to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Fri 8/15

11:00 pm-6:34 am

Nonstop4h 34m

Washington, D.C. Dulles Intl

Mon 8/18

7:30 am-9:29 am

Nonstop4h 59m

$163

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Thu 8/14

11:00 pm-6:34 am

Nonstop4h 34m

Washington, D.C. Dulles Intl

Thu 8/21

8:00 am-9:59 am

Nonstop4h 59m

$165

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Thu 9/18

10:45 pm-6:20 am

Nonstop4h 35m

Washington, D.C. Dulles Intl

Sun 9/21

7:59 pm-9:58 pm

Nonstop4h 59m

$181

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Wed 9/17

12:27 pm-8:15 pm

Nonstop4h 48m

Washington, D.C. Reagan-National

Wed 9/24

9:30 am-11:37 am

Nonstop5h 07m

$181

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Fri 8/22

10:45 pm-6:20 am

Nonstop4h 35m

Washington, D.C. Dulles Intl

Tue 9/2

7:59 pm-9:58 pm

Nonstop4h 59m

$196

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Sun 8/31

8:25 am-4:00 pm

Nonstop4h 35m

Washington, D.C. Reagan-National

Sat 9/6

6:05 am-8:05 am

Nonstop5h 00m

$214

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Wed 9/17

12:27 pm-8:15 pm

Nonstop4h 48m

Washington, D.C. Reagan-National

Sat 9/20

9:00 am-11:26 am

Nonstop5h 26m

$219

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Sat 8/30

8:00 am-3:35 pm

Nonstop4h 35m

Washington, D.C. Reagan-National

Mon 9/1

4:40 pm-7:55 pm

1 stop6h 15m

$220

Las VegasWashington, D.C.

LAS - DCA

LASDCA

Las Vegas Harry Reid Intl

Thu 8/21

10:15 pm-9:14 am

1 stop7h 59m

Washington, D.C. Reagan-National

Wed 8/27

12:20 pm-5:15 pm

1 stop7h 55m

$257

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

Fri 8/22

11:31 pm-11:23 am

1 stop8h 52m

Washington, D.C. Dulles Intl

Sun 8/24

7:22 am-12:09 pm

1 stop7h 47m

$257

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to District of Columbia from

How to get the cheapest flight ticket from Las Vegas to District of Columbia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to District of Columbia?

In general, August is the cheapest month to fly from Las Vegas to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $206. If you don’t want to visit District of Columbia in August, then you should wait until July to fly from Las Vegas, when ticket prices are also cheap, with an average price of $281.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Thursday when prices can be found for as low as $376. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Las Vegas because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $618.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from Las Vegas in the evening is the least expensive time of day to depart. momondo users have found prices as low as $335 when looking at flights departing in the evening. Flights to District of Columbia are more costly in the morning, with an average ticket price of $509. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Las Vegas Harry Reid Intl to District of Columbia flight route?

Fly from Las Vegas Harry Reid Intl to Washington, D.C. Dulles Intl for the best Las Vegas Harry Reid Intl - District of Columbia flight prices

How far in advance should I book a flight to District of Columbia?

You are more likely to see cheaper flights to District of Columbia from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $289 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Las Vegas for as low as $200 on momondo.

What cabin class options are available on Las Vegas Harry Reid Intl to District of Columbia flights?

There are 4 cabin classes available to choose from on Las Vegas Harry Reid Intl to District of Columbia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Las Vegas to District of Columbia flights?

No. A direct flight is the cheapest option for a flight between Las Vegas to District of Columbia.

Cheap Las Vegas to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to District of Columbia

Best Price Found

$56

Fastest flight time

4h 19m

Direct flights

Every day

Airports in District of Columbia

2 airports
The best one-way flight to District of Columbia from Las Vegas in the past 72 hours is $56. The best round-trip flight deal from Las Vegas to District of Columbia found on momondo in the last 72 hours is $163.
The fastest flight from Las Vegas to District of Columbia takes 4h 19m
Direct flights go from Las Vegas to District of Columbia every day.
There are 2 airports near District of Columbia: Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD)
Search flight deals

  • When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to District of Columbia?

    Prices for flights from Las Vegas Harry Reid Intl Airport to District of Columbia are refreshed on a daily basis.

  • How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to District of Columbia?

  • How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to District of Columbia?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The travel and health documents you'll need for your trip to District of Columbia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at District of Columbia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Las Vegas to District of Columbia?

Best airlines flying from Las Vegas to District of Columbia

Compare and see reviews for airlines that fly from Las Vegas to District of Columbia with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $93Free CancellationRating
5.9
3,239 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $123Free CancellationRating
6.3
8,049 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $217Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
SouthwestPriceFrom $252Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
DeltaPriceFrom $256Free CancellationRating
8.0
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $259Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas to District of Columbia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to District of Columbia from Las Vegas.

Can I find flights from Las Vegas to District of Columbia with flexible booking policies on momondo?

All flight searches from Las Vegas to District of Columbia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Las Vegas to District of Columbia?

Once you have performed a search for Las Vegas to District of Columbia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Las Vegas to District of Columbia right now. Can momondo alert me if prices change?

Price alerts on flights to District of Columbia from Las Vegas are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your District of Columbia trip

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