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Cheap Flights from Seattle to Las Vegas

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 S$ 33, and round-trip direct tickets start at S$ 74.

      • Cheapest nonstop
        SEA 20:20
        2h 39m
        Direct
        LAS 22:59
        Seattle - Las Vegas | Mon, Jun 1 | Frontier Airlines
        LAS 07:44
        2h 52m
        Direct
        SEA 10:36
        Las Vegas - Seattle | Sun, Jun 7 | Frontier Airlines
        S$ 74 S$ 157
        53% off
        53% off
        S$ 157 S$ 74
      • SEA 20:20
        2h 39m
        Direct
        LAS 22:59
        Seattle - Las Vegas | Fri, Jun 5 | Frontier Airlines
        LAS 07:45
        2h 50m
        Direct
        SEA 10:35
        Las Vegas - Seattle | Tue, Jun 9 | Frontier Airlines
        S$ 78 S$ 157
        50% off
        50% off
        S$ 157 S$ 78
      • SEA 20:20
        2h 39m
        Direct
        LAS 22:59
        Seattle - Las Vegas | Thu, Jun 4 | Frontier Airlines
        LAS 07:45
        2h 50m
        Direct
        SEA 10:35
        Las Vegas - Seattle | Tue, Jun 9 | Frontier Airlines
        S$ 78 S$ 157
        50% off
        50% off
        S$ 157 S$ 78
      • SEA 20:20
        2h 39m
        Direct
        LAS 22:59
        Seattle - Las Vegas | Mon, Jun 8 | Frontier Airlines
        LAS 07:45
        2h 50m
        Direct
        SEA 10:35
        Las Vegas - Seattle | Wed, Jun 10 | Frontier Airlines
        S$ 93
        41% off
        S$ 157 S$ 93
      • SEA 20:20
        2h 39m
        Direct
        LAS 22:59
        Seattle - Las Vegas | Sat, Jun 6 | Frontier Airlines
        LAS 07:45
        2h 50m
        Direct
        SEA 10:35
        Las Vegas - Seattle | Wed, Jun 10 | Frontier Airlines
        S$ 107
        32% off
        S$ 157 S$ 107
      • SEA 20:12
        2h 35m
        Direct
        LAS 22:47
        Seattle - Las Vegas | Wed, Jun 10 | Frontier Airlines
        LAS 07:45
        2h 50m
        Direct
        SEA 10:35
        Las Vegas - Seattle | Tue, Jun 16 | Frontier Airlines
        S$ 115
        27% off
        S$ 157 S$ 115
      • SEA 20:20
        2h 39m
        Direct
        LAS 22:59
        Seattle - Las Vegas | Fri, May 29 | Frontier Airlines
        LAS 07:44
        2h 52m
        Direct
        SEA 10:36
        Las Vegas - Seattle | Thu, Jun 4 | Frontier Airlines
        S$ 129
        18% off
        S$ 157 S$ 129
      • SEA 20:20
        2h 39m
        Direct
        LAS 22:59
        Seattle - Las Vegas | Sat, May 30 | Frontier Airlines
        LAS 07:44
        2h 52m
        Direct
        SEA 10:36
        Las Vegas - Seattle | Mon, Jun 1 | Frontier Airlines
        S$ 137
        13% off
        S$ 157 S$ 137
      • SEA 20:20
        2h 39m
        Direct
        LAS 22:59
        Seattle - Las Vegas | Sun, Jun 7 | Frontier Airlines
        LAS 07:45
        2h 50m
        Direct
        SEA 10:35
        Las Vegas - Seattle | Wed, Jun 10 | Frontier Airlines
        S$ 144
        8% off
        S$ 157 S$ 144
      • SEA 20:12
        2h 35m
        Direct
        LAS 22:47
        Seattle - Las Vegas | Tue, Jun 30 | Frontier Airlines
        LAS 07:45
        2h 54m
        Direct
        SEA 10:39
        Las Vegas - Seattle | Mon, Jul 6 | Frontier Airlines
        S$ 146
        7% off
        S$ 157 S$ 146
      • SEA 13:00
        17h 25m
        1 stop
        LAS 14:00
        Seattle - Las Vegas | Thu, May 14 | Normal Airline
        LAS 15:00
        6h
        Direct
        SEA 16:00
        Las Vegas - Seattle | Sat, May 16 | Normal Airline
        Find more flights
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      • Cheapest nonstop
        SEA 20:20
        2h 39m
        Direct
        LAS 22:59
        Seattle - Las Vegas | Mon, Jun 1 | Frontier Airlines
        S$ 33 S$ 90
        63% off
        63% off
        S$ 90 S$ 33
      • SEA 20:12
        2h 35m
        Direct
        LAS 22:47
        Seattle - Las Vegas | Tue, Jun 9 | Frontier Airlines
        S$ 37 S$ 90
        59% off
        59% off
        S$ 90 S$ 37
      • SEA 20:20
        2h 39m
        Direct
        LAS 22:59
        Seattle - Las Vegas | Mon, May 25 | Frontier Airlines
        S$ 39 S$ 90
        56% off
        56% off
        S$ 90 S$ 39
      • SEA 20:20
        2h 39m
        Direct
        LAS 22:59
        Seattle - Las Vegas | Thu, Jun 4 | Frontier Airlines
        S$ 43
        52% off
        S$ 90 S$ 43
      • SEA 20:20
        2h 39m
        Direct
        LAS 22:59
        Seattle - Las Vegas | Mon, Jun 8 | Frontier Airlines
        S$ 43
        52% off
        S$ 90 S$ 43
      • SEA 20:20
        2h 39m
        Direct
        LAS 22:59
        Seattle - Las Vegas | Thu, May 28 | Frontier Airlines
        S$ 44
        51% off
        S$ 90 S$ 44
      • SEA 20:20
        2h 39m
        Direct
        LAS 22:59
        Seattle - Las Vegas | Sun, Jun 7 | Frontier Airlines
        S$ 44
        51% off
        S$ 90 S$ 44
      • SEA 11:37
        2h 43m
        Direct
        LAS 14:20
        Seattle - Las Vegas | Mon, May 18 | Frontier Airlines
        S$ 59
        34% off
        S$ 90 S$ 59
      • SEA 20:12
        2h 35m
        Direct
        LAS 22:47
        Seattle - Las Vegas | Wed, Jul 1 | Frontier Airlines
        S$ 83
        8% off
        S$ 90 S$ 83
      • SEA 20:12
        2h 35m
        Direct
        LAS 22:47
        Seattle - Las Vegas | Wed, Jun 10 | Frontier Airlines
        S$ 83
        8% off
        S$ 90 S$ 83
      • SEA 13:00
        17h 25m
        1 stop
        LAS 14:00
        Seattle - Las Vegas | Thu, May 14 | Normal Airline
        Find more flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

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

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

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

Based on Trip.com’s data, the cheapest month for flights from to Las Vegas is February, with an average price of S$ 123, and the most expensive month is May, with an average price of up to S$ 209.

S$ 209
S$ 166
S$ 123
S$ 80
    Cheapest
  • S$ 209
    May
  • S$ 175
    Jun
  • S$ 192
    Jul
  • S$ 170
    Aug
  • S$ 188
    Sep
  • S$ 185
    Oct
  • S$ 167
    Nov
  • S$ 187
    Dec
  • S$ 170
    Jan
  • S$ 123
    Feb
  • S$ 186
    Mar
  • S$ 190
    Apr

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

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

Based on Trip.com’s data, the cheapest month for round-trip flights from to Las Vegas is December, with an average price of S$ 195, and the most expensive month is May, with an average price of up to S$ 500.

S$ 500
S$ 348
S$ 195
S$ 43
    Cheapest
  • S$ 500
    May
  • S$ 331
    Jun
  • S$ 397
    Jul
  • S$ 299
    Aug
  • S$ 234
    Sep
  • S$ 384
    Oct
  • S$ 485
    Nov
  • S$ 195
    Dec
  • S$ 311
    Jan
  • S$ 306
    Feb
  • S$ 413
    Mar
  • S$ 208
    Apr

What is the cheapest day to fly from Seattle to Las Vegas during Hari Raya Haji?

Based on Trip.com's data over the past 3 days, these are the lowest one-way airfares from Seattle to Las Vegas during Hari Raya Haji.

Hari Raya Haji is scheduled on May 27. The flights from Seattle to Las Vegas are cheapest on May 26, with the lowest fare of S$ 106.

S$ 166
S$ 136
S$ 106
S$ 76
    Cheapest
  • S$ 132
    24
    May
  • S$ 122
    25
  • S$ 106
    26
  • S$ 166
    27
  • S$ 136
    28
  • S$ 136
    29

Frequently Asked Questions

  • 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 S$ 33 on Cheapest nonstop routes (e.g. SEA to LAS on Mon, Jun 1), while Frontier Airlines offers Cheapest nonstop round-trips from S$ 74 departing on Mon, Jun 1 and returning on Sun, Jun 7.
  • 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 2 hours 37 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 79 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 (07:25)
  • 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 Mon, Jun 1, with one-way flights priced at just S$ 33.
    · 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 May flight calendar, it's currently cheapest to fly from Seattle to Las Vegas on May 31, 2026 with Frontier Airlines, with prices starting at S$ 26.
  • 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: Harry Reid International Airport (LAS) Boulder City Municipal Airport (BLD) Henderson Executive Airport (HSH) 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.

Find Cheap Flights & Deals on Trip.com

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

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.