Trip.com
>
Cheap Flights
>
United States
>
Nevada
>
Las Vegas
Hotels in Las Vegas
>
Flights from Portland to Las Vegas

Find the cheapest flight options from Portland to Las Vegas over the next three months. Book one-way tickets from THB 5,785 and round-trip tickets from THB 11,141.

      • PWM 12:20
        10h 48m
        1 stop
        LAS 20:08
        Portland - Las Vegas | Sun, Jan 18 | Delta Air Lines
        LAS 11:56
        9h 24m
        1 stop
        PWM 00:20
        Las Vegas - Portland | Thu, Jan 22 | Delta Air Lines
        THB 11,141 THB 13,602
        18% OFF
        18% OFF
        THB 13,602 THB 11,141
      • PWM 14:34
        10h 40m
        1 stop
        LAS 22:14
        Portland - Las Vegas | Thu, Dec 11 | Delta Air Lines
        LAS 06:00
        7h 7m
        1 stop
        PWM 16:07
        Las Vegas - Portland | Thu, Dec 18 | Delta Air Lines
        THB 11,271 THB 13,602
        17% OFF
        17% OFF
        THB 13,602 THB 11,271
      • PWM 12:20
        8h 45m
        1 stop
        LAS 18:05
        Portland - Las Vegas | Wed, Jan 28 | Delta Air Lines
        LAS 11:56
        9h 24m
        1 stop
        PWM 00:20
        Las Vegas - Portland | Tue, Feb 3 | Delta Air Lines
        THB 11,438 THB 13,602
        16% OFF
        16% OFF
        THB 13,602 THB 11,438
      • PWM 06:17
        11h 14m
        1 stop
        LAS 14:31
        Portland - Las Vegas | Sat, Jan 31 | Delta Air Lines
        LAS 10:13
        9h 16m
        1 stop
        PWM 22:29
        Las Vegas - Portland | Tue, Feb 3 | Delta Air Lines
        THB 11,641
        14% OFF
        THB 13,602 THB 11,641
      • PWM 07:00
        10h 29m
        1 stop
        LAS 14:29
        Portland - Las Vegas | Sat, Jan 10 | American Airlines
        LAS 09:00
        10h 7m
        1 stop
        PWM 22:07
        Las Vegas - Portland | Wed, Jan 14 | American Airlines
        THB 11,889
        13% OFF
        THB 13,602 THB 11,889
      • PWM 14:35
        10h 41m
        1 stop
        LAS 22:16
        Portland - Las Vegas | Thu, Jan 29 | Delta Air Lines
        LAS 11:56
        9h 24m
        1 stop
        PWM 00:20
        Las Vegas - Portland | Tue, Feb 3 | Delta Air Lines
        THB 11,916
        12% OFF
        THB 13,602 THB 11,916
      • PWM 14:34
        8h 16m
        1 stop
        LAS 19:50
        Portland - Las Vegas | Wed, Dec 10 | Delta Air Lines
        LAS 23:33
        9h 40m
        1 stop
        PWM 12:13
        Las Vegas - Portland | Mon, Dec 15 | Delta Air Lines
        THB 11,921
        12% OFF
        THB 13,602 THB 11,921
      • PWM 06:00
        9h 22m
        1 stop
        LAS 12:22
        Portland - Las Vegas | Wed, Jan 14 | American Airlines
        LAS 22:59
        10h 6m
        1 stop
        PWM 12:05
        Las Vegas - Portland | Sun, Jan 18 | American Airlines
        THB 11,961
        12% OFF
        THB 13,602 THB 11,961
      • PWM 06:17
        15h 57m
        1 stop
        LAS 19:14
        Portland - Las Vegas | Fri, Jan 30 | Delta Air Lines
        LAS 23:15
        9h 48m
        1 stop
        PWM 12:03
        Las Vegas - Portland | Wed, Feb 4 | Delta Air Lines
        THB 11,966
        12% OFF
        THB 13,602 THB 11,966
      • PWM 15:58
        9h 1m
        1 stop
        LAS 21:59
        Portland - Las Vegas | Sun, Jan 18 | American Airlines
        LAS 13:28
        7h 15m
        1 stop
        PWM 23:43
        Las Vegas - Portland | Thu, Jan 22 | American Airlines
        THB 12,105
        11% OFF
        THB 13,602 THB 12,105
      • PWM 13:00
        17h 25m
        1 stop
        LAS Invalid Date
        Portland - Las Vegas | Fri, Dec 12 | Normal Airline
        LAS 15:00
        6h
        Direct
        PWM 16:00
        Las Vegas - Portland | Sun, Dec 14 | Normal Airline
        Find More Flights
        Find More Flights

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

Flight details for Portland to Las Vegas

The distance between Portland and Las Vegas is 3,870.75km. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is September.

Cheapest one-way flight priceTHB 5,785
Cheapest return ticket priceTHB 11,141
Off-season travel monthSeptember
Peak season for travelJuly
Flight distance3,870.75km

Find the best time to fly from Portland to Las Vegas

The cheapest time for Portland to Las Vegas flights: Feb 8 to Feb 15 — one way flight prices from THB 5,500.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Portland to Las Vegas, calculated over the upcoming 10 weeks.

Flight FAQs

  • Which airlines offer the cheapest flights from Portland (PWM) to Las Vegas (LAS)?

    Based on Trip.com data, Delta Air Lines offers one-way fares as low as THB 5,785 on Cheapest nonstop routes (e.g. PWM to LAS on Thu, Dec 18), while Delta Air Lines offers Cheapest nonstop round-trips from THB 11,141 departing on Sun, Jan 18 and returning on Thu, Jan 22.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Portland 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.
  • To find best deals on flights from Portland 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 Thu, Dec 18, with one-way flights priced at just THB 5,785.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
    · 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 Portland to Las Vegas is September, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Portland to Las Vegas on December 11, 2025 with Delta Air Lines, with prices starting at THB 11,270.
  • The time difference between Las Vegas and Portland is 3h.
  • 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.

Explore More Popular Flights