$66 Cheap Flights from Pasco (PSC) to Las Vegas (LAS)

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Pasco (PSC) to Las Vegas (LAS) at a glance

Travel from Pasco (PSC) to Las Vegas (LAS) with a range of airlines offering convenient options on this domestic short-haul route. Compare flights from Pasco to Las Vegas to discover itineraries that align with your budget and travel plans as you prepare to explore the iconic sights and vibrant neighborhoods of Las Vegas. Check out the essential details for your journey from Tri-Cities Airport (PSC) to Harry Reid International Airport (LAS).

• Fastest flight duration: around 3h 45m in-flight, plus roughly 1h 15m layover with one stop
• Route distance: roughly 700 miles (1,130 km)
• Flights per week: around 20+ flights with multiple daily departures on average
• Typical fares (one-way): economy tickets often range from $100–$355, depending on seasonality and how far ahead you book

Flights from Tri-Cities Airport (PSC) to Harry Reid International Airport (LAS)

According to recent traveler bookings, here are the most popular airlines flying from Pasco to Las Vegas, especially favored for one-stop and multi-stop flights. Common layover points include Seattle-Tacoma International Airport (SEA) with a 1 hour and 15-minute layover, San Francisco International Airport (SFO) at about 1 hour and 45 minutes, and Salt Lake City International Airport (SLC) with a layover of approximately 2 hours. These options allow you to compare prices, total travel times, and cabin classes to create the ideal itinerary.

• Delta: As a full-service airline, Delta provides one-stop flights, generally priced between $100 and $360 for one-way tickets. It holds around 46% of the departures on this route, featuring an in-flight duration of 3 hours and 45 minutes, with the total travel time nearing 5 hours, including layovers.
• Alaska Airlines: This full-service airline offers both one-stop and multi-stop options, with one-way fares typically ranging from $115 to $410. Alaska Airlines covers about 30% of departures on this route, providing an in-flight experience of 3 hours and 45 minutes and a total journey time close to 5 hours.
• United: United Airlines, another full-service carrier, features one-stop service with one-way fares generally between $100 and $360. It accounts for approximately 18% of the departures on this route, with an in-flight duration of 3 hours and 45 minutes and a total travel time of about 5 hours, including layovers.
• American Airlines: Offering one-stop service, American Airlines has one-way fares that typically range from $115 to $375. This carrier represents around 5% of the departures on this route, with an in-flight time of 3 hours and 45 minutes and a total journey duration of roughly 5 hours, including layovers.
• Hawaiian Airlines: As a full-service airline, Hawaiian Airlines provides one-stop service with one-way ticket prices typically ranging from $140 to $310. It accounts for about 1% of departures on this route, with an in-flight time of 3 hours and 45 minutes and an overall travel time of approximately 5 hours, including layovers.

Travelers have the option to upgrade their flight from Pasco to Las Vegas. Delta provides first class and premium economy cabins, while Alaska Airlines features first class and business class service for a more comfortable journey.

Best time to fly from Pasco (PSC) to Las Vegas (LAS)

The most popular months for travelers flying from Pasco to Las Vegas are February, March, and April, when peak temperatures in Las Vegas reach up to 66.4°F in April. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 82.6°F. For better deals, August usually offers the lowest average one-way fare around $178. Flight availability peaks in March, with approximately 24 flights per week, making it easier to find convenient departure times. July has the fewest flights, with approximately 17 flights per week.

• Cheapest time to fly: August usually offers good deals with average one-way fare around $178, roughly 13% cheaper than the yearly average.
• More budget-friendly months to fly: May, September, and July typically offer average one-way fares of around $190.
• Most flight options: March has the highest number of flights from Pasco to Las Vegas, with approximately 24 flights per week, giving you more flexibility in scheduling your trip.

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Pasco (PSC) to Las Vegas (LAS)

• Walla Walla to Las Vegas (ALW-LAS): Walla Walla Regional Airport (ALW) is located approximately 42 miles from Tri-Cities Airport (PSC). One-way economy ticket prices for this route generally fall between $120 and $375, influenced by the time of year and how far in advance you book. Most travelers will find one-stop flights, primarily connecting through Seattle - Tacoma International Airport (SEA). Leading airlines servicing this route include Alaska Airlines and Hawaiian Airlines. Additionally, business and first-class service options are available for those seeking more comfort.

How to find the best prices for flights from Pasco (PSC) to Las Vegas (LAS)

Getting some of the best deals on flights from Pasco to Las Vegas is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are typically available when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Morning departures from 5 am to 12 pm usually offer lower prices and are the most popular flight times. Additionally, flying on Wednesday often yields cheaper prices, although Thursday remains the most favored travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Harry Reid International Airport from Tri-Cities Airport

Las Vegas welcomes travelers from Pasco with a range of transport options based on price, convenience, and proximity. Here's how to reach Las Vegas efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Las Vegas, with private rides that can be arranged in advance.
• Car rental: Renting a car from Harry Reid International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Harry Reid International Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Harry Reid International Airport, Las Vegas International Airport Station (a train station) is just a short 0.1-mile walk away, while South Strip Transit Terminal (a bus station) is located about 2.5 miles away by car, and MGM Grand Monorail Station (a metro station) is approximately 3.4 miles away by car, providing various options for your onward journey.

Pasco to Las Vegas Flights

The cheapest times to fly from Pasco 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 Pasco to Las Vegas are during the month of January. You can find some of the cheapest flights from Pasco to Las Vegas with Expedia's search tool and vast selection of airlines.

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

Sunday is one of the best days to book for cheap flights from Pasco 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 Pasco 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 Pasco to Las Vegas in 2026. You can also book with separate airlines for your outbound and return journeys, from $66 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 Pasco 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 Pasco 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 Pasco, WA (PSC-Tri-Cities) to Las Vegas, NV (LAS-Harry Reid Intl.) cost?

You can find cheap one-way flights from $66 and cheap return flights $100 Pasco, WA (PSC-Tri-Cities) to Las Vegas, NV (LAS-Harry Reid Intl.) with Expedia. One-way flights usually range from $166 to $863, and return flights typically cost between $325 and $1176. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Pasco, WA (PSC-Tri-Cities) to Las Vegas, NV (LAS-Harry Reid Intl.) ticket fares go up or down.

*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

What is the cheapest month to fly from Pasco, WA (PSC-Tri-Cities) to Las Vegas, NV (LAS-Harry Reid Intl.)?

January is the cheapest month to fly from Pasco, WA (PSC) to Las Vegas, NV (LAS), with average round-trip fares around $338. This is about 7% lower than the average price throughout the year, as January is often a quieter month for travel. Other economical months to consider are June and August.

*Averages based on flights available on Expedia in the last year.

Which airlines fly direct from Pasco, WA (PSC-Tri-Cities) to Las Vegas, NV (LAS-Harry Reid Intl.)?

Enter PSC to LAS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

What is the cheapest airline that flies from Pasco, WA (PSC-Tri-Cities) to Las Vegas, NV (LAS-Harry Reid Intl.)?

Delta is one of the cheapest airlines offering connecting flights from Tri-Cities (PSC) to Harry Reid Intl. (LAS), with round-trip tickets starting from around $165 with a layover in Salt Lake City Intl. (SLC). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

*Prices based on flights available on Expedia in the last year.

How do I find cheap flights from Pasco, WA (PSC-Tri-Cities) to Las Vegas, NV (LAS-Harry Reid Intl.)?

To find a cheap flight from Pasco, WA (PSC-Tri-Cities) to Las Vegas, NV (LAS-Harry Reid Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

What is the best time to fly from Pasco, WA (PSC-Tri-Cities) to Las Vegas, NV (LAS-Harry Reid Intl.)?

For flights from Pasco, WA (PSC) to Las Vegas, NV (LAS), January and August are your best bets. Both months feature return flights averaging around $338, making them the cheapest times to fly. January offers a quieter travel experience post-holidays, while August allows you to enjoy the summer vibes in Las Vegas.

*Prices based on flights available on Expedia in the last year.

What is the earliest flight from Pasco, WA (PSC-Tri-Cities) to Las Vegas, NV (LAS-Harry Reid Intl.)?

The earliest flight from Tri-Cities Airport (PSC) to Harry Reid International Airport (LAS) typically leaves at around 5:00 AM, operated by American Airlines. This seasonal service is available in February, perfect for those looking to kick off their Las Vegas adventure early. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

What are the most popular departure times for flights from Pasco, WA (PSC-Tri-Cities) to Las Vegas, NV (LAS-Harry Reid Intl.)?

For flights from Pasco (PSC) to Las Vegas (LAS), the most popular departure times are in the early afternoon, from 12pm to 3pm. About 30% of passengers choose this time window. Delta Airlines, United Airlines, and Alaska Airlines all operate flights during this window. This timing is popular because it allows travelers to enjoy a leisurely morning before heading to Las Vegas.

How long does it take to fly from Pasco, WA (PSC-Tri-Cities) to Las Vegas, NV (LAS-Harry Reid Intl.)?

Flying from PSC to LAS with a connection usually takes about 6 hours 20 minutes, traveling roughly 732 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Can you fly business or first class from Pasco, WA (PSC-Tri-Cities) to Las Vegas, NV (LAS-Harry Reid Intl.)?

First class seats are offered on the PSC to LAS route. First class cabins are available on:

• Delta Air Lines
• United Airlines
• American Airlines

How do I earn miles on a Pasco, WA (PSC-Tri-Cities) to Las Vegas, NV (LAS-Harry Reid Intl.) flight with Expedia?

It's easy to earn miles on a Pasco, WA (PSC-Tri-Cities) to Las Vegas, NV (LAS-Harry Reid Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

What airports do you fly into for Las Vegas from Tri-Cities (PSC)?

From Tri-Cities (PSC), you can fly into Harry Reid International Airport (LAS) to reach Las Vegas. Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Denver Intl. (DEN), San Francisco Intl. (SFO) before reaching Las Vegas. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Is it cheaper to buy a plane ticket from Pasco, WA (PSC-Tri-Cities) to Las Vegas, NV (LAS-Harry Reid Intl.) at the last minute?

Typically, booking a last minute flight from Pasco, WA (PSC-Tri-Cities) to Las Vegas, NV (LAS-Harry Reid Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Is it cheaper to book a Pasco, WA (PSC-Tri-Cities) to Las Vegas, NV (LAS-Harry Reid Intl.) flight and hotel package?

Securing a Pasco, WA (PSC-Tri-Cities) to Las Vegas, NV (LAS-Harry Reid Intl.) Las Vegas Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

Can I cancel or change the date of my flight from Pasco, WA (PSC-Tri-Cities) to Las Vegas, NV (LAS-Harry Reid Intl.)?

If you booked your Pasco, WA (PSC-Tri-Cities) to Las Vegas, NV (LAS-Harry Reid Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.