$44 Cheap Flights from Baltimore (BWI) to Las Vegas (LAS)

View $44 flight on Wed, Aug 20, 2025Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Harry Reid Intl. Airport (LAS)

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Cheap Flights from Baltimore to Las Vegas (BWI-LAS)

Prices were available within the past 7 days and start at $44 for one-way flights and $115 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Wed, Aug 20 - Fri, Aug 22
BWI
Baltimore
LAS
Las Vegas
$115 Roundtrip, just found
$115
Roundtrip
just found
Select Spirit Airlines flight, departing Wed, Aug 20 from Baltimore to Las Vegas, returning Fri, Aug 22, priced at $115 just found
Spirit Airlines
Wed, Aug 20 - Sat, Aug 23
BWI
Baltimore
LAS
Las Vegas
$118 Roundtrip, found 1 hour ago
$118
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Wed, Aug 20 from Baltimore to Las Vegas, returning Sat, Aug 23, priced at $118 found 1 hour ago
Spirit Airlines
Tue, Aug 19 - Wed, Aug 20
BWI
Baltimore
LAS
Las Vegas
$125 Roundtrip, found 17 hours ago
$125
Roundtrip
found 17 hours ago
Select Spirit Airlines flight, departing Tue, Aug 19 from Baltimore to Las Vegas, returning Wed, Aug 20, priced at $125 found 17 hours ago
Spirit Airlines
Wed, Aug 20 - Sun, Aug 24
BWI
Baltimore
LAS
Las Vegas
$135 Roundtrip, just found
$135
Roundtrip
just found
Select Spirit Airlines flight, departing Wed, Aug 20 from Baltimore to Las Vegas, returning Sun, Aug 24, priced at $135 just found
Spirit Airlines
Wed, Aug 13 - Tue, Aug 26
BWI
Baltimore
LAS
Las Vegas
$138 Roundtrip, found 6 days ago
$138
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Wed, Aug 13 from Baltimore to Las Vegas, returning Tue, Aug 26, priced at $138 found 6 days ago
Spirit Airlines
Thu, Aug 21 - Wed, Aug 27
BWI
Baltimore
LAS
Las Vegas
$142 Roundtrip, just found
$142
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, Aug 21 from Baltimore to Las Vegas, returning Wed, Aug 27, priced at $142 just found
Sun Country Airlines
Mon, Sep 1 - Thu, Oct 2
BWI
Baltimore
LAS
Las Vegas
$283 Roundtrip, found 7 hours ago
$283
Roundtrip
found 7 hours ago
Select Sun Country Airlines flight, departing Mon, Sep 1 from Baltimore to Las Vegas, returning Thu, Oct 2, priced at $283 found 7 hours ago
Southwest Airlines
Mon, Sep 22 - Sat, Sep 27
BWI
Baltimore
LAS
Las Vegas
$301 Roundtrip, just found
$301
Roundtrip
just found
Select Southwest Airlines flight, departing Mon, Sep 22 from Baltimore to Las Vegas, returning Sat, Sep 27, priced at $301 just found
Delta
Tue, Sep 16 - Wed, Sep 17
BWI
Baltimore
LAS
Las Vegas
$315 Roundtrip, found 3 hours ago
$315
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Sep 16 from Baltimore to Las Vegas, returning Wed, Sep 17, priced at $315 found 3 hours ago
United
Tue, Oct 14 - Sat, Oct 18
BWI
Baltimore
LAS
Las Vegas
$322 Roundtrip, found 2 hours ago
$322
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Oct 14 from Baltimore to Las Vegas, returning Sat, Oct 18, priced at $322 found 2 hours ago

Find the cheapest month to fly from Baltimore (BWI) to Las Vegas (LAS)

September is typically the cheapest month to fly

From $96 - $153 per traveler.

Graph displaying average flight prices per month

Alternative airports near Las Vegas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to McCarran Intl. LAS. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $182
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $182
Flights from Baltimore (BWI) to Las Vegas (LAS)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$114
Distance
2100 mi
Average flight time
2 hours 3 mins

Baltimore to Las Vegas Flights

The cheapest times to fly from Baltimore to Las Vegas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Baltimore to Las Vegas are during the month of August. You can find some of the cheapest flights from Baltimore to Las Vegas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baltimore to Las Vegas

Sunday is one of the best days to book for cheap flights from Baltimore to Las Vegas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Baltimore to Las Vegas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Baltimore to Las Vegas in 2025. You can also book with separate airlines for your outbound and return journeys, from $44 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Baltimore to Las Vegas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Baltimore to Las Vegas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Harry Reid Intl. Airport (LAS) cost?
Cheap round-trip fares from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Harry Reid Intl. Airport (LAS) start from $124. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Spirit Airlines and Frontier Airlines flight leaving BWI on August 16 2025 and touching down at LAS. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from BWI to LAS?
The cheapest flights from BWI to LAS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Harry Reid Intl. Airport (LAS)?
When setting off from Baltimore Washington Intl. Thurgood Marshall Airport (BWI), you can jump on a nonstop flight to Harry Reid Intl. Airport (LAS) with Southwest Airlines.
What is the cheapest airline that flies from BWI to LAS?
Currently, the cheapest airline operating one-way flights from BWI to LAS is Spirit Airlines. You can take off on this route from $71. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BWI on October 18 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Harry Reid Intl. Airport (LAS)?
When departing from Baltimore Washington Intl. Thurgood Marshall Airport (BWI), you can choose from an average of 5 daily direct flights to Harry Reid Intl. Airport (LAS).
What are the most popular departure times for flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Harry Reid Intl. Airport (LAS)?
Flights between BWI and LAS are busiest at 10 AM. If you want a more relaxed experience and possibly cheaper prices, look for a departure outside the usual busy windows.
What day of the week has the most flights from BWI to LAS?
If you jet off on a Friday, you'll get the widest range of choices for flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Harry Reid Intl. Airport (LAS).
What is the earliest flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Harry Reid Intl. Airport (LAS)?
Baltimore Washington Intl. Thurgood Marshall Airport (BWI)'s earliest flight to Harry Reid Intl. Airport (LAS) leaves at approximately 6:05AM UTC-5. With a total travel time of 5h 30m, you'll touch down at around 8:35AM UTC-8.
How long does it take to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Harry Reid Intl. Airport (LAS)?
Typically, it takes 5 hours and 33 minutes to fly the 2,100 mi from BWI to LAS.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Harry Reid Intl. Airport (LAS)?
Choose a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Harry Reid Intl. Airport (LAS) that takes off before 3 PM to reduce the risk of cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Las Vegas from Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Check out your flight options from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Harry Reid Intl. Airport (LAS). This is the only Las Vegas airport you can touch down at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Harry Reid Intl. Airport (LAS) last-minute?
Holding off until just before your departure to book a ticket from BWI to LAS generally means paying more. While you may find some last-minute discounts, they aren't always guaranteed. Keep your travel plans flexible for a better chance of scoring a bargain.
Is it cheaper to book a BWI to LAS flight and hotel package?
You'll generally save money by securing a BWI to LAS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your ideal accommodations and flights, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Harry Reid Intl. Airport (LAS)?
If you reserved your BWI to LAS flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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