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Flights from Las Vegas to Seattle

Cheapest airlines flights from Las Vegas to Seattle

You can choose from 4 airlines that fly from Las Vegas to Seattle, including Alaska Airlines, Frontier Airlines, and Delta Air Lines. Frontier Airlines has lowest fares on this route.
Alaska Airlines logo Alaska Airlines
Frontier Airlines logo Frontier Airlines
Delta Air Lines logo Delta Air Lines
Hawaiian Airlines logo Hawaiian Airlines
Airlines are determined based on actual purchased flight tickets from Las Vegas to Seattle according to previous 12 months data from Trip.com.

Search for direct flights from Las Vegas to Seattle in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$20, and round-trip direct flights start at US$51.

      • Cheapest nonstop
        LAS 06:45
        2h 51m
        Nonstop
        SEA 09:36
        Las Vegas - Seattle | Fri, Jan 30 | Frontier Airlines
        SEA 13:11
        2h 39m
        Nonstop
        LAS 15:50
        Seattle - Las Vegas | Mon, Feb 2 | Frontier Airlines
        US$51 US$61
        17% off
        17% off
        US$61 US$51
      • LAS 06:45
        2h 51m
        Nonstop
        SEA 09:36
        Las Vegas - Seattle | Fri, Jan 23 | Frontier Airlines
        SEA 21:25
        2h 34m
        Nonstop
        LAS 23:59
        Seattle - Las Vegas | Thu, Jan 29 | Frontier Airlines
        US$54 US$61
        11% off
        11% off
        US$61 US$54
      • LAS 06:45
        2h 51m
        Nonstop
        SEA 09:36
        Las Vegas - Seattle | Thu, Jan 29 | Frontier Airlines
        SEA 21:25
        2h 34m
        Nonstop
        LAS 23:59
        Seattle - Las Vegas | Thu, Feb 5 | Frontier Airlines
        US$54 US$61
        10% off
        10% off
        US$61 US$54
      • LAS 13:28
        2h 54m
        Nonstop
        SEA 16:22
        Las Vegas - Seattle | Sat, Feb 28 | Frontier Airlines
        SEA 19:33
        2h 36m
        Nonstop
        LAS 22:09
        Seattle - Las Vegas | Tue, Mar 3 | Frontier Airlines
        US$55
        9% off
        US$61 US$55
      • LAS 13:28
        2h 54m
        Nonstop
        SEA 16:22
        Las Vegas - Seattle | Sat, Feb 14 | Frontier Airlines
        SEA 18:30
        2h 35m
        Nonstop
        LAS 21:05
        Seattle - Las Vegas | Tue, Feb 17 | Frontier Airlines
        US$55
        9% off
        US$61 US$55
      • LAS 17:12
        2h 56m
        Nonstop
        SEA 20:08
        Las Vegas - Seattle | Thu, Mar 5 | Frontier Airlines
        SEA 21:35
        2h 34m
        Nonstop
        LAS 00:09
        Seattle - Las Vegas | Sun, Mar 8 | Frontier Airlines
        US$56
        7% off
        US$61 US$56
      • LAS 06:45
        2h 51m
        Nonstop
        SEA 09:36
        Las Vegas - Seattle | Thu, Feb 5 | Frontier Airlines
        SEA 21:25
        2h 34m
        Nonstop
        LAS 23:59
        Seattle - Las Vegas | Sun, Feb 8 | Frontier Airlines
        US$56
        7% off
        US$61 US$56
      • LAS 06:45
        2h 51m
        Nonstop
        SEA 09:36
        Las Vegas - Seattle | Thu, Jan 22 | Frontier Airlines
        SEA 12:54
        2h 39m
        Nonstop
        LAS 15:33
        Seattle - Las Vegas | Sat, Jan 24 | Frontier Airlines
        US$56
        7% off
        US$61 US$56
      • LAS 17:12
        2h 56m
        Nonstop
        SEA 20:08
        Las Vegas - Seattle | Thu, Feb 26 | Frontier Airlines
        SEA 21:23
        2h 34m
        Nonstop
        LAS 23:57
        Seattle - Las Vegas | Sun, Mar 1 | Frontier Airlines
        US$57
        6% off
        US$61 US$57
      • LAS 06:45
        2h 51m
        Nonstop
        SEA 09:36
        Las Vegas - Seattle | Fri, Feb 6 | Frontier Airlines
        SEA 21:25
        2h 34m
        Nonstop
        LAS 23:59
        Seattle - Las Vegas | Sun, Feb 8 | Frontier Airlines
        US$57
        6% off
        US$61 US$57
      • LAS 13:00
        17h 25m
        1 stop
        SEA Invalid Date
        Las Vegas - Seattle | Mon, Jan 19 | Normal Airline
        SEA 15:00
        6h
        Nonstop
        LAS 16:00
        Seattle - Las Vegas | Wed, Jan 21 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        LAS 06:45
        2h 51m
        Nonstop
        SEA 09:36
        Las Vegas - Seattle | Fri, Jan 23 | Frontier Airlines
        US$20 US$32
        38% off
        38% off
        US$32 US$20
      • LAS 13:28
        2h 54m
        Nonstop
        SEA 16:22
        Las Vegas - Seattle | Sat, Feb 14 | Frontier Airlines
        US$28 US$32
        14% off
        14% off
        US$32 US$28
      • LAS 13:28
        2h 54m
        Nonstop
        SEA 16:22
        Las Vegas - Seattle | Sat, Feb 28 | Frontier Airlines
        US$29 US$32
        10% off
        10% off
        US$32 US$29
      • LAS 06:45
        2h 51m
        Nonstop
        SEA 09:36
        Las Vegas - Seattle | Thu, Jan 22 | Frontier Airlines
        US$29
        9% off
        US$32 US$29
      • LAS 08:00
        2h 54m
        Nonstop
        SEA 10:54
        Las Vegas - Seattle | Tue, Feb 10 | Frontier Airlines
        US$29
        8% off
        US$32 US$29
      • LAS 14:46
        2h 53m
        Nonstop
        SEA 17:39
        Las Vegas - Seattle | Fri, Mar 13 | Frontier Airlines
        US$30
        7% off
        US$32 US$30
      • LAS 08:00
        2h 54m
        Nonstop
        SEA 10:54
        Las Vegas - Seattle | Tue, Feb 24 | Frontier Airlines
        US$30
        6% off
        US$32 US$30
      • LAS 08:45
        2h 54m
        Nonstop
        SEA 11:39
        Las Vegas - Seattle | Sat, Feb 7 | Frontier Airlines
        US$30
        6% off
        US$32 US$30
      • LAS 17:12
        2h 56m
        Nonstop
        SEA 20:08
        Las Vegas - Seattle | Thu, Feb 12 | Frontier Airlines
        US$30
        6% off
        US$32 US$30
      • LAS 15:23
        2h 55m
        Nonstop
        SEA 18:18
        Las Vegas - Seattle | Tue, Mar 3 | Frontier Airlines
        US$30
        6% off
        US$32 US$30
      • LAS 13:00
        17h 25m
        1 stop
        SEA Invalid Date
        Las Vegas - Seattle | Mon, Jan 19 | Normal Airline
        Find more flights
        Find more flights

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

Las Vegas to Seattle Flight Details

The distance between Las Vegas and Seattle is about 1,394.05 km. The average flying time from Las Vegas to Seattle is around 2 hours 51 minutes. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is November.

Cheapest one-way flight priceUS$20
Cheapest return ticket priceUS$51
Cheapest monthNovember
Peak season for travelJuly
Flight distance1,394.05 km
Average flight time2 hours 51 minutes
Popular airlineAlaska Airlines
Flight statistics for the Las Vegas–Seattle route are based on aggregated booking data from Trip.com over the past 12 months.

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

Which month has the cheapest one-way flights from Las Vegas to Seattle?

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

Based on Trip.com’s data, the cheapest month for flights from Las Vegas to Seattle is Feb, with an average price of US$96; while the month with the highest flight price is usually Aug, with an average price of up to US$157.

US$157
US$127
US$96
US$66
    Cheapest
  • US$126
    Jan
  • US$96
    Feb
  • US$135
    Mar
  • US$135
    Apr
  • US$133
    May
  • US$133
    Jun
  • US$146
    Jul
  • US$157
    Aug
  • US$146
    Sep
  • US$139
    Oct
  • US$129
    Nov
  • US$106
    Dec

What is the cheapest day of the week to fly from Las Vegas to Seattle?

Average weekly flight prices from Las Vegas to Seattle by travel date (Based on Trip.com’s past 12 months of data)

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

US$183
US$149
US$115
US$82
    Cheapest
  • US$149
    Mon
  • US$140
    Tue
  • US$115
    Wed
  • US$123
    Thu
  • US$125
    Fri
  • US$141
    Sat
  • US$182
    Sun

Frequently Asked Questions

  • What are the cheapest flights from Las Vegas to Seattle (LAS-SEA)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as US$20 on Cheapest nonstop routes (e.g. LAS to SEA on Fri, Jan 23), while Frontier Airlines offers Cheapest nonstop round-trips from US$51 departing on Fri, Jan 30 and returning on Mon, Feb 2.
  • At the moment, you can catch a nonstop flight from Las Vegas to Seattle with the following airlines, including: Alaska Airlines Frontier Airlines Delta Air Lines Hawaiian Airlines 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 51 minutes to fly from Las Vegas to Seattle.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Las Vegas to Seattle 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 Las Vegas to Seattle. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: S/M/T/W/T/F/S -- DL2844 (06:14)
  • To find best deals on flights from Las Vegas to Seattle, 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 Fri, Jan 23, with one-way flights priced at just US$20.
    · 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 Seattle travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Las Vegas to Seattle is November, when demand for travel is lower.
  • After crunching the numbers on our January flight calendar, it's currently cheapest to fly from Las Vegas to Seattle on January 30, 2026 with Frontier Airlines, with prices starting at US$15.
  • You can land at any one of the following hubs in Seattle, with Harry Reid International Airport to Seattle–Tacoma International Airport (LAS-SEA) is by far the most common option on this route: King County (Boeing Field) International Airport (BFI) Kenmore Air - Lake Union (LKE) Seattle–Tacoma International Airport (SEA).
  • The time difference between Seattle and Las Vegas is 0h.
  • Tickets can only be changed or canceled 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.

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