$99 Cheap Delta flights Los Angeles (LAX) to Seattle (SEA)

View $99 flight on Wed, Oct 29, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$99 Cheap Delta flights Los Angeles (LAX) to Seattle (SEA)

Prices were available within the past 7 days and start at $99 for one-way flights and $157 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Oct 21 - Sat, Oct 25
LAX
Los Angeles
SEA
Seattle
$157 Roundtrip, just found
$157
Roundtrip
just found
Select Delta flight, departing Tue, Oct 21 from Los Angeles to Seattle, returning Sat, Oct 25, priced at $157 just found
Flights from Los Angeles (LAX) to Seattle (SEA)
Origin airport
Los Angeles Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, Spirit Airlines, United
Popular airline
Alaska Airlines
Distance
954 mi
Average flight time
2 hours 44 mins

Frequently asked questions

How much is a Delta Air Lines flight from Los Angeles Intl. Airport (LAX) to Seattle - Tacoma Intl. Airport (SEA)?
Scoring cheap one-way Delta Air Lines flights from LAX to SEA from $99 on Expedia is a cinch — just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from $157 for your next adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from LAX to SEA with Delta Air Lines?
January is one of the least expensive months to jet off to Seattle with Delta Air Lines. You could also find great deals on one-way and round-trip fares in February.
What is the cheapest time to book flights from Los Angeles Intl. Airport (LAX) to Seattle - Tacoma Intl. Airport (SEA) with Delta Air Lines?
For cheap Delta Air Lines fares from Los Angeles Intl. Airport (LAX) to Seattle - Tacoma Intl. Airport (SEA), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect the overall price. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Los Angeles Intl. Airport (LAX) to Seattle - Tacoma Intl. Airport (SEA)?
Delta Air Lines operates direct flights from Los Angeles Intl. Airport (LAX) to Seattle - Tacoma Intl. Airport (SEA), with 35 departures each week. Simply apply the "Nonstop" and "Airline" filters while searching on Expedia to see all direct Delta Air Lines flights to SEA.
How long does it take to fly from LAX to SEA with Delta Air Lines?
Take off from Los Angeles Intl. Airport (LAX) for Seattle - Tacoma Intl. Airport (SEA) on a direct Delta Air Lines flight, and you'll be in the skies for approximately 3h.
Which day of the week has the most Delta Air Lines flights from Los Angeles Intl. Airport (LAX) to Seattle - Tacoma Intl. Airport (SEA)?
Thursday has the most Delta Air Lines flights from Los Angeles Intl. Airport (LAX) to Seattle - Tacoma Intl. Airport (SEA). With 5 daily departures, this is a great day to find something that will work for your schedule.
What is the earliest Delta Air Lines flight from LAX to SEA?
The first flight from LAX to SEA with Delta Air Lines departs at 7:00AM UTC-8. You'll touch down at 10:05AM UTC-8. The last Delta Air Lines flight of the day takes off at 7:20PM UTC-8 and arrives at 10:21PM UTC-8. With 20% fewer cancellations for departures before midday, beginning your travel day early is typically the wisest option.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Seattle?
Delta Air Lines flights from Los Angeles Intl. Airport (LAX) to Seattle touch down at Seattle - Tacoma Intl. Airport (SEA) and Snohomish County - Paine Field Airport (PAE). The primary Seattle hub served by this airline is SEA. It's always worth comparing flights arriving at nearby airports on Expedia as they may have lower prices.
Why fly with Delta Air Lines from LAX to SEA?
Delta Air Lines makes traveling from LAX to SEA enjoyable with a rewarding loyalty program and an excellent in-flight experience. You could even start collecting points with Delta SkyMiles. Don't forget to join Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does Delta Air Lines fly from Los Angeles Intl. Airport (LAX) to Seattle - Tacoma Intl. Airport (SEA)?
For the Los Angeles Intl. Airport (LAX) to Seattle - Tacoma Intl. Airport (SEA) route, Delta Air Lines typically flies Boeing 737-800 and Boeing 737-900 planes. Keep in mind that last-minute changes can occur for operational demands, meaning your flight could be on another aircraft.
Can I change or cancel my Delta Air Lines flight from Los Angeles Intl. Airport (LAX) to Seattle - Tacoma Intl. Airport (SEA)?
It's usually possible to reschedule or cancel your flight, although there may be a charge if you booked over 24 hours ago. Want to keep your options open? Apply the "Changes included" and "No cancel fee" filters to find flights that won't charge you extra if you need to alter your plans. To modify your booking, visit "Trips," select your flight and click on "Manage Booking" for more details.

Explore a world of travel with Expedia

*Available to One Key members.