Find Cheapest Airlines Flying from Seattle to Las Vegas

Choose from 2 carriers that fly from Seattle to Las Vegas, including Alaska Airlines, Delta Air Lines, Enjoy the cheapest tickets on this route with Frontier Airlines.
Alaska Airlines logo Alaska Airlines
Delta Air Lines logo Delta Air Lines
Airlines are determined based on actual purchased flight tickets from Seattle to Las Vegas according to previous 12 months data from Trip.com.

Explore the cheapest flights from Seattle to Las Vegas in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at AU$ 41, and round-trip direct tickets start at AU$ 81.

Displayed flight fares from Seattle to Las Vegas are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Seattle to Las Vegas Flight Details

The distance between Seattle and Las Vegas is approximately 1,394.05km. It takes around 3 hours 2 minutes on average to fly from Seattle to Las Vegas. Based on Trip.com's data travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight priceAU$ 41
Cheapest return ticket priceAU$ 81
Off-season for travelNovember
Peak season for travelJuly
Flight distance1,394.05km
Average flight time3 hours 2 minutes
Popular airlineAlaska Airlines
Flight statistics for the Seattle–Las Vegas route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Seattle to Las Vegas

What is the cheapest month for one-way flights from Seattle to Las Vegas?

Average price of one-way flights from Seattle to Las Vegas purchased by Trip.com users by month over the past 12 months.

According to Trip.com's data, the cheapest month for flights from Seattle to Las Vegas is February, with an average price of AU$ 135. Conversely, the most expensive month is typically May, with an average price of up to AU$ 217.

AU$ 217
AU$ 176
AU$ 135
AU$ 94
    Cheapest
  • AU$ 151
    Mar
  • AU$ 196
    Apr
  • AU$ 217
    May
  • AU$ 193
    Jun
  • AU$ 212
    Jul
  • AU$ 187
    Aug
  • AU$ 207
    Sep
  • AU$ 204
    Oct
  • AU$ 184
    Nov
  • AU$ 206
    Dec
  • AU$ 187
    Jan
  • AU$ 135
    Feb

What is the cheapest month for round-trip flights from Seattle to Las Vegas?

Average price of round-trip flights from Seattle to Las Vegas purchased by Trip.com users by month over the past 12 months.

According to historical data from Trip.com, the lowest prices for flights from Seattle to Las Vegas are found during December, with an average price of AU$ 215. Conversely, the highest prices are found during November, with an average price of up to AU$ 534.

AU$ 534
AU$ 375
AU$ 215
AU$ 56
    Cheapest
  • AU$ 397
    Mar
  • AU$ 458
    Apr
  • AU$ 514
    May
  • AU$ 365
    Jun
  • AU$ 437
    Jul
  • AU$ 330
    Aug
  • AU$ 258
    Sep
  • AU$ 423
    Oct
  • AU$ 534
    Nov
  • AU$ 215
    Dec
  • AU$ 342
    Jan
  • AU$ 337
    Feb

What's the cheapest day to fly from Seattle to Las Vegas?

Data is based on the average flight price for each day of the week from Seattle to Las Vegas on Trip.com over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to fly from Seattle to Las Vegas is Tuesday, with average prices lower than on other days. Avoid Friday, as prices are usually highest then.

AU$ 229
AU$ 193
AU$ 157
AU$ 121
  • AU$ 161
    Mon
  • AU$ 157
    Tue
  • AU$ 212
    Wed
  • AU$ 225
    Thu
  • AU$ 229
    Fri
  • AU$ 184
    Sat
  • AU$ 187
    Sun

When is the cheapest day to fly from Seattle to Las Vegas during Good Friday?

Data is based on the lowest one-way fares from Seattle to Las Vegas during Good Friday, sourced from the Trip.com database over the last 3 days.

During Good Friday, the cheapest flights from Seattle to Las Vegas are on Mar 31, with the lowest fare of AU$ 162.

AU$ 244
AU$ 203
AU$ 162
AU$ 121
  • AU$ 162
    Mar 31
  • AU$ 182
    Apr 1
  • AU$ 244
    Apr 2
  • AU$ 238
    Apr 3
  • AU$ 204
    Apr 4
  • AU$ 242
    Apr 5

Flight FAQs

  • Which airlines offer the cheapest flights from Seattle (SEA) to Las Vegas (LAS)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as AU$ 41 on Cheapest nonstop routes (e.g. SEA to LAS on Sun, Mar 29), while Frontier Airlines offers Cheapest nonstop round-trips from AU$ 81 departing on Fri, Apr 24 and returning on Fri, May 1.
  • At the moment, you can catch a direct flight from Seattle to Las Vegas with the following airlines, including: Alaska Airlines Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 3 hours 2 minutes to fly from Seattle (SEA) to Las Vegas (LAS).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Las Vegas is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 78 flight per week flying from Seattle to Las Vegas. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: S/M/T/W/T/F/S -- DL2922 (07:26)
  • To find best deals on flights from Seattle to Las Vegas, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Mar 29, with one-way flights priced at just AU$ 41.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Las Vegas travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seattle to Las Vegas is November, when demand for travel is lower.
  • After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Seattle to Las Vegas on March 15, 2026 with Frontier Airlines, with prices starting at AU$ 29.
  • You can land at any one of the following hubs in Las Vegas, with Seattle-Tacoma International Airport to Harry Reid International Airport (SEA-LAS) is by far the most common option on this route: Boulder City Municipal Airport (BLD) Henderson Executive Airport (HSH) Harry Reid International Airport (LAS) Nellis Air Force Base (LSV).
  • The time difference between Las Vegas and Seattle is 0h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Trip.com Airline Insights on Flights from Seattle toLas Vegas

Which airlines offer the cheapest nonstop flights from Seattle to Las Vegas?

Data is based on the average price of all nonstop flights from Seattle to Las Vegas on Trip.com in the past 12 months.

Based on Trip.com data from the past 12 months, Frontier Airlines offers the cheapest nonstop flights from Seattle to Las Vegas, with an average price of AU$ 150.

AU$ 112
AU$ 150
AU$ 189
AU$ 227
AU$ 265
Frontier Airlines
AU$ 150
Frontier Airlines
Spirit Airlines
AU$ 180
Spirit Airlines
Delta Air Lines
AU$ 227
Delta Air Lines
Alaska Airlines
AU$ 241
Alaska Airlines
Hawaiian Airlines
AU$ 265
Hawaiian Airlines

Which airlines operate the most flights from Seattle to Las Vegas?

Data is based on the number of flights from Seattle to Las Vegas operated by each airline on Trip.com in the past month.

Based on Trip.com data from the past month, Alaska Airlines/Air Tahiti Nui/Hawaiian Airlines operates the most flights from Seattle to Las Vegas, with 55 flight per week.

19
31
43
55
Alaska Airlines
55
Alaska Airlines
Air Tahiti Nui
55
Air Tahiti Nui
Hawaiian Airlines
55
Hawaiian Airlines
Delta Air Lines
36
Delta Air Lines
Qatar Airways
33
Qatar Airways
Korean Air
31
Korean Air

How many flights are there each day from Seattle to Las Vegas?

The data is based on the flight numbers for each day of the week from Seattle to Las Vegas within the Trip.com database over the past month.

Based on Trip.com data from the past month, the most flights from Seattle to Las Vegas depart on Saturday, and the fewest flights depart on Wednesday.

255
223
190
158
Highest
226
Mon
226
Tue
190
Wed
239
Thu
249
Fri
255
Sat
213
Sun

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, regulatory fees, etc) with all fees confirmed before payment. Fees for baggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.