Airlines operating flights from Seattle to Los Angeles

Choose from 6 airlines flying from Seattle to Los Angeles, including Frontier Airlines, Alaska Airlines and United Airlines. Frontier Airlines currently offers the cheapest ticket on this route.
Frontier Airlines logo Frontier Airlines
Alaska Airlines logo Alaska Airlines
United Airlines logo United Airlines
Delta Air Lines logo Delta Air Lines
American Airlines logo American Airlines
Hawaiian Airlines logo Hawaiian Airlines
Airlines are determined based on actual purchased flight tickets from Seattle to Los Angeles according to previous 12 months data from Trip.com.

Find the cheapest direct flight options from Seattle to Los Angeles over the next three months. Book one-way tickets from NZD 139 and round-trip tickets from NZD 222.

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

Flight details for Seattle to Los Angeles

The distance between Seattle and Los Angeles is 1,538 km. It takes around 2 hours 55 minutes on average to fly from Seattle to Los Angeles. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is October.

Cheapest one-way flight priceNZD 139
Cheapest round-trip ticket priceNZD 222
Off-season for travelOctober
Peak season for travelJuly
Flight distance1,538 km
Average flight time2 hours 55 minutes
Popular airlineFrontier Airlines
Flight statistics for the Seattle–Los Angeles route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from Seattle to Los Angeles

What is the cheapest month for one-way flights from Seattle to Los Angeles?

The average one way ticket price paid by Trip.com users from Seattle to Los Angeles in each month over the past 12 months.

Based on Trip.com data, the cheapest month to fly from Seattle to Los Angeles is June, with an average price of NZD 271. The most expensive month is usually February, with average prices reaching NZD 406.

NZD 406
NZD 339
NZD 271
NZD 204
  • NZD 271
    Jun
  • NZD 345
    Jul
  • NZD 350
    Aug
  • NZD 320
    Sep
  • NZD 359
    Oct
  • NZD 388
    Nov
  • NZD 377
    Dec
  • NZD 352
    Jan
  • NZD 406
    Feb
  • NZD 316
    Mar
  • NZD 349
    Apr
  • NZD 322
    May

What is the cheapest month for return flights from Seattle to Los Angeles?

Average price of return flights from Seattle to Los Angeles purchased by Trip.com users by month over the past 12 months

Based on Trip.com's historical data, January is often the cheapest month for fly from Seattle to Los Angeles, with an average price of NZD 395. July is usually the most expensive period, with prices averaging as high as NZD 704.

NZD 704
NZD 550
NZD 395
NZD 241
    Cheapest
  • NZD 549
    Jun
  • NZD 704
    Jul
  • NZD 548
    Aug
  • NZD 518
    Sep
  • NZD 571
    Oct
  • NZD 586
    Nov
  • NZD 496
    Dec
  • NZD 395
    Jan
  • NZD 399
    Feb
  • NZD 431
    Mar
  • NZD 434
    Apr
  • NZD 446
    May

Which day of the week is cheapest to fly from Seattle to Los Angeles?

Data is based on the past 12 months and shows the average weekly airfare from Seattle to Los Angeles on different days of the week according to Trip.com.

Based on Trip.com data from the past 12 months, the cheapest day to fly from Seattle to Los Angeles is Thursday. The average fare on this day is usually lower than on other days. Try to avoid flying on Sunday as fares are usually the highest.

NZD 374
NZD 345
NZD 316
NZD 287
    Cheapest
  • NZD 331
    Mon
  • NZD 331
    Tue
  • NZD 343
    Wed
  • NZD 316
    Thu
  • NZD 364
    Fri
  • NZD 326
    Sat
  • NZD 374
    Sun

During the Juneteenth National Independence Day, which day is cheapest to fly from Seattle to Los Angeles?

Data is based on the lowest one-way price from Seattle to Los Angeles during Juneteenth National Independence Day in the Trip.com database over the past three days.

Juneteenth National Independence Day is scheduled for Jun 19. The lowest flight fares from Seattle to Los Angeles are available on Jun 17, starting from NZD 299.

NZD 364
NZD 332
NZD 299
NZD 267
  • NZD 313
    16
    Jun
  • NZD 299
    17
  • NZD 328
    18
  • NZD 314
    19
  • NZD 314
    20
  • NZD 364
    21

Flight FAQs

  • What are the cheapest flights from Seattle to Los Angeles (SEA-LAX)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as NZD 139 on Cheapest nonstop routes (e.g. SEA to LAX on Thu, Jun 18), while Frontier Airlines offers Cheapest nonstop round-trips from NZD 222 departing on Sat, Jul 4 and returning on Wed, Jul 8.
  • At the moment, you can catch a nonstop flight from Seattle to Los Angeles with the following airlines, including: Frontier Airlines Alaska Airlines United Airlines Delta Air Lines American Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 2 hours 55 minutes to fly from Seattle (SEA) to Los Angeles (LAX).
  • 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 Los Angeles 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 153 flight per week flying from Seattle to Los Angeles. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: S/M/T/W/T/-/S -- DL4070 (08:50)
  • To find best deals on flights from Seattle to Los Angeles, 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, Jun 18, with one-way flights priced at just NZD 139.
    · 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 Los Angeles travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seattle to Los Angeles is October, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Seattle to Los Angeles on June 25, 2026 with Delta Air Lines, with prices starting at NZD 112.
  • You can land at any one of the following hubs in Los Angeles, with Seattle-Tacoma International Airport to Los Angeles International Airport (SEA-LAX) is by far the most common option on this route: Los Angeles International Airport (LAX) Ontario International Airport (ONT) Van Nuys Airport (VNY).
  • The time difference between Los Angeles and Seattle 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.

Trip.com airline insights on flights from Seattle to Los Angeles

Which airlines offer the cheapest direct flights from Seattle to Los Angeles?

Data is based on the past 12 months and reflects the average fare of all direct flights from Seattle to Los Angeles on Trip.com.

Based on Trip.com data from the past 12 months, the airline offering the cheapest direct flights from Seattle to Los Angeles is Frontier Airlines, with an average fare of NZD 254.

NZD 186
NZD 254
NZD 322
NZD 390
NZD 458
Frontier Airlines
NZD 254
Frontier Airlines
Delta Air Lines
NZD 375
Delta Air Lines
Alaska Airlines
NZD 397
Alaska Airlines
Hawaiian Airlines
NZD 410
Hawaiian Airlines
American Airlines
NZD 428
American Airlines
United Airlines
NZD 458
United Airlines

Which airlines operate the most flights from Seattle to Los Angeles?

The data is based on the past month and shows the number of flights each airline has from Seattle to Los Angeles on Trip.com.

According to Trip.com data from the past month, the airline with the most flights from Seattle to Los Angeles is Alaska Airlines, operating 101 flights per week.

38
59
80
101
Alaska Airlines
101
Alaska Airlines
Air Tahiti Nui
85
Air Tahiti Nui
Delta Air Lines
83
Delta Air Lines
Qatar Airways
76
Qatar Airways
Korean Air
65
Korean Air
Virgin Atlantic
59
Virgin Atlantic

How many flights fly from Seattle to Los Angeles each day?

The data is based on the past month and shows the number of flights per day of the week from Seattle to Los Angeles on Trip.com.

Based on Trip.com data from the past month, flights from Seattle to Los Angeles are most frequent on Friday, while the fewest flights operate on Tuesday.

669
571
472
374
Highest
541
Mon
472
Tue
483
Wed
475
Thu
669
Fri
608
Sat
565
Sun