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Alaska Airlines (AS) Guide

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Planning a trip on Alaska? Here are its Seattle routes, fleet, cabins, luggage rules and check-in steps, with ideas for a lower fare. Ask a question
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In short

Alaska Airlines is a major US airline headquartered near Seattle, with Seattle–Tacoma, Anchorage and Portland among its hubs. It flies to 120+ destinations in the USA, Alaska, Hawaii, Canada, Mexico, Central America, Asia and Europe. Alaska is a Oneworld member and its loyalty scheme is Atmos Rewards. Cabins are First Class, Premium Class and Main Cabin.

Alaska Airlines is a major US airline headquartered in SeaTac, near Seattle. With its regional partners Horizon Air and SkyWest, it serves a network focused on the West Coast and has expanded to long-haul flights from Seattle to Asia and Europe. It is a Oneworld member.

Please note: bookingMentor is an independent travel service and is not affiliated with Alaska Airlines. Routes, schedules, fleet and baggage rules change, so always confirm the details of your booking with the airline.

What to expect

Alaska Airlines (IATA: AS, ICAO: ASA) is a major United States airline headquartered in SeaTac, Washington, and owned by Alaska Air Group, which also owns Hawaiian Airlines. From its main hub at Seattle–Tacoma International Airport and five other hubs on the West Coast and in Alaska, it serves about 128 destinations, and it suits travellers flying along the Pacific coast, across the US, to Hawaii and Mexico, and increasingly overseas from Seattle.

From McGee Airways in 1932 to a major carrier

The company traces its origins to McGee Airways, founded on 14 April 1932, and it began operating on 6 June 1944. In 2024 it was the fifth-largest airline in North America by scheduled passengers. In 2025 Alaska Airlines had about 22,377 employees and revenue of US$9.1 billion.

The 2024 purchase of Hawaiian Airlines

Alaska Air Group completed its purchase of Hawaiian Airlines on 18 September 2024, paying US$1.9 billion in cash and taking on about US$900 million of debt. Both brands remain in use.

Seattle–Tacoma and the other hubs

Seattle–Tacoma is the primary hub. Anchorage, Portland, San Francisco, Los Angeles and San Diego are also hubs, and Boise is a focus city. The network is strongest on the West Coast, with many routes from those cities to the rest of the US, Hawaii, Mexico and Central America.

Fact-checked by the bookingMentor Travel Desk Reviewed · Updated when rules or prices change

Checked against trusted sources:
Alaska official website

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  1. Alaska official website
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Good to know

  • Founded1932
  • Other gatewaysANC / PDX / SFO / LAX / SAN

Everything you should know

Airline codes

AS · ASA

IATA · ICAO · callsign “ALASKA”

Alaska’s IATA code is AS, its ICAO code is ASA, and the radio callsign is ALASKA. Type AS and your flight number into a status search to follow an Alaska flight.

Key facts

Main hub

Seattle (SEA)

Seattle–Tacoma International

Also flies abroad fromAnchorage (ANC) · Portland (PDX) · San Francisco (SFO) · Los Angeles (LAX) · San Diego (SAN)

Network

120+ destinations

USA · Alaska · Hawaii · Canada · Mexico · Central America · Asia · Europe

Alaska’s hubs are Seattle, Anchorage, Portland, San Francisco, Los Angeles and San Diego. It flies along the West Coast, across the US, to Hawaii, Mexico and Central America, and from Seattle to Tokyo, Seoul, Rome and Reykjavík.

Destinations

Cabin classes

First

and Premium, Main Cabin

Three cabins on mainline jets: First Class, Premium Class and Main Cabin. Mainline jets have three cabins: First Class with wider recliner seats and complimentary food and drinks, Premium Class with extra legroom behind first, and the Main Cabin, where Saver fares are the cheapest option.

Compare cabins

Good to know

Alaska residents can join Club 49 for perks such as free checked bags. Alaska’s official website is alaskaair.com.

Frequent flyer

Atmos Rewards

Member of Oneworld

Alaska belongs to oneworld, so miles from AS flights can usually go into a partner scheme in the alliance as well as Atmos Rewards.

How it works

Start a new search

Search your dates on bookingMentor to see Alaska next to the other airlines flying from Seattle, then pick the fare that suits your trip.

Wishing you a smooth trip with Alaska.

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At a glance

Alaska Airlines (IATA: AS, ICAO: ASA) is a major US airline headquartered near Seattle. Founded in 1932 and a Oneworld member, it flies Boeing 737, 787 and Embraer 175 aircraft from hubs including Seattle, Anchorage and Portland to over 120 destinations in the US, Canada, Mexico, Central America, Asia and Europe.

Key facts about Alaska Airlines
HeadquartersSeaTac, Washington, United States
Fleet typesBoeing 737 family, 787-9 and Embraer 175
Frequent flyerAtmos Rewards
Official websitealaskaair.com

Flight routes

Destinations and routes

Direct routes
Destinations listed in Alaska’s published network, grouped by region. Seasonal and new Alaska routes come and go, so check the schedule for your dates. Search flights

Alaska

Seattle (SEA) departures8 destinations

Check all

Fleet and aircraft

The Alaska fleet numbers about 351 aircraft. Mainline flights use Boeing 737s, including the 737-800, 737-900ER and 737 MAX 9, and regional flights use Embraer 175s. The group has 17 Boeing 787s and 24 Airbus A330s for long-haul, and it plans to run 12 intercontinental routes from Seattle by 2030. In January 2026 Alaska announced an order for 110 Boeing aircraft, the largest in its history, after earlier orders for 52 737 MAX jets in October 2022 and 23 737 MAX 9s in December 2020.

  • Boeing 737-700 Narrow-body The long-serving core of the mainline network
  • Boeing 737-800 Narrow-body The long-serving core of the mainline network
  • Boeing 737-900ER Narrow-body The long-serving core of the mainline network
  • Boeing 737 MAX 8 Narrow-body Newest mainline narrow-bodies in the fleet
  • Boeing 737 MAX 9 Narrow-body Newest mainline narrow-bodies in the fleet
  • Boeing 787-9 Wide-body · 5 in service Long-haul routes from Seattle
  • Embraer 175 Regional jet · 92 in service Regional routes (Horizon and SkyWest)

Cabin classes

On Alaska you can choose from First Class, Premium Class and Main Cabin, depending on the route and the aircraft.

First Class Mainline

Domestic first class

First Class with wider recliner seats, priority boarding and complimentary food and drinks.

Wider 2-2 seatsPriority boardingFree meals and drinks

Premium Class Mainline

Extra-legroom economy

Rows behind First Class with extra legroom.

More legroomPriority boarding

Main Cabin All flights

Economy

Economy, with Saver fares as the cheapest option.

Wi-Fi and streaming entertainment

Atmos Rewards

Earn points on AS flights with Atmos Rewards, which you can join on the Alaska website.

Atmos Rewards (which replaced Mileage Plan) lets members earn points on Alaska flights and with Oneworld and other partners, and redeem them for award flights.

Alaska Airlines joined oneworld on 31 March 2021, so its passengers can earn and use rewards across the alliance. The loyalty programme is Atmos Rewards.

Baggage allowance

Alaska does not give every passenger the same allowance: the route, the cabin and the fare you buy each change it. Your AS e-ticket shows what you have.

Checked baggage
On your e-ticket
Cabin baggage
Set by your fare
Extra bags
Add online before you fly
Power banks
Cabin bag only

Alaska Airlines sets the checked bag rules by cabin, fare and Atmos Rewards status, and Saver is the cheapest Main Cabin fare. Your booking shows what is included.

Pro tip: if your trip combines Alaska and Hawaiian Airlines flights, check the allowance on each flight number.
Travel day

Online Check-in

Here is the order to follow for an AS flight: check in, sort your documents, meet the airport deadline and drop your bags.

  1. Step 1

    Check in online

    Online check-in for AS flights is on the official Alaska website. You need the AS booking reference or e-ticket number and the passenger’s surname.

    Booking ref + surname
  2. Step 2

    Prepare your documents

    Before leaving for the airport, check that your passport is valid and that you hold any visa or entry document needed at the other end of your Alaska flight. Domestic AS passengers should bring a photo ID the airline accepts.

    Passport · visa · ID
  3. Step 3

    Arrive early

    Alaska closes its check-in counters before departure, and passengers who miss the cut-off can be refused boarding. Leave room for bag drop and security at SEA.

    Check your deadline
  4. Step 4

    Drop your bags

    Hand in checked luggage at the Alaska counter or bag drop, then keep your boarding pass and passport ready for security and the gate.

    Alaska counter
Ready to check in? Check in and manage your booking on the official Alaska website.
Check in with Alaska
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Cheap tickets

Ways to pay less for an Alaska ticket, from the dates you choose to the fare type you buy.

  1. 01

    Try midweek AS flights

    Compare a full week of Alaska departures; midweek days are often priced below Fridays and Sundays.

    Midweek flights
  2. 02

    Avoid peak holiday dates

    Fares rise around Thanksgiving, Christmas, spring break and summer. Book early for Hawaii and Alaska in peak season.

    School holidays · festivals
  3. 03

    Price the bundle, not the base fare

    An Alaska fare that includes a checked bag, seat choice or cheaper changes can cost less overall than adding those extras later.

    Baggage & changes
  4. 04

    Plan popular routes ahead

    On busy Alaska routes such as SEA to Tokyo, booking several weeks ahead usually leaves more fares to choose from.

    Popular routes
  5. 05

    Join Atmos Rewards

    Join Atmos Rewards before your first Alaska flight so the trip earns points from day one.

    Before you fly

  6. Ready to compare fares?

    Search Alaska alongside every other airline on your route, with flexible dates.

    Search Alaska flights

Reviews and questions

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Frequently Asked Questions (FAQs)

Everything travellers ask before flying Alaska Airlines.
Last reviewed on 10 October 2026 against alaskaair.com and published airline records.

Getting there

Alaska Airlines has been a member of oneworld since March 2021. That means you can connect with partners such as American Airlines, British Airways, Cathay Pacific and Qantas, and oneworld status benefits apply when you fly with them.