SEATTLE- Alaska Airlines (AS) launches a new nonstop flight from Seattle (SEA) to Seoul Incheon (ICN), starting September 12, 2025, operated by Hawaiian Airlines (HA) on a Boeing 787-9 Dreamliner. Exclusive offers include a Buy One, Get One deal and award redemptions from 20,000 points one way.
This route marks a key step in transforming Seattle (SEA) into a global hub, with limited-time promotions and enhanced loyalty rewards for travelers. The service connects passengers to South Korea’s vibrant capital during the festive Chuseok holiday.
Photo: Clément AlloingAlaska Airlines Nonstop Seoul flights
Alaska Airlines (AS) is positioning Seattle Airport as the West Coast’s premier global hub, with the new Seattle (SEA) to Seoul Incheon (ICN) route launching on September 12, 2025.
Operated by Hawaiian Airlines (HA) using the advanced Boeing 787-9 Dreamliner, this five times weekly service strengthens ties between the Pacific Northwest and South Korea’s dynamic capital.
The route aligns with Alaska’s goal to serve 12 nonstop international destinations from Seattle by 2030, following the introduction of daily Seattle to Tokyo Narita (NRT) flights on May 12, 2025.
The 5,216-mile flight offers seamless connections to other Asian destinations through Alaska’s global partners, including oneworld alliance members.
The launch coincides with Chuseok, South Korea’s harvest festival in early October, enabling travelers to visit family and friends during this culturally significant holiday.
Seoul Incheon Airport; Photo- WikipediaFlight Schedule and Aircraft Details
The Seattle (SEA) to Seoul Incheon (ICN) route operates with the following schedule (all times local):
- Outbound (HA871): Departs Seattle at 2:50 PM, arrives Seoul Incheon at 6:35 PM the next day, on Wednesday, Thursday, Friday, Saturday, and Sunday.
- Return (HA872): Departs Seoul Incheon at 8:35 PM, arrives Seattle at 2:45 PM, on Monday, Thursday, Friday, Saturday, and Sunday.
The Boeing 787-9 Dreamliner, marking its first international service from Seattle for Alaska Air Group, features 34 enclosed Business Class suites with lie flat seats, privacy doors, 18-inch HD monitors, and wireless charging.
The aircraft’s long range capability and fuel efficiency enhance the travel experience, with plans to install ultra fast Starlink Wi-Fi in 2026.
Alaska will establish a 787-9 hub in Seattle, deploying up to 17 Dreamliners and opening a new pilot base to support operations by spring 2026.
Photo: ca350 | FlickrExclusive Launch Promotions
To celebrate the inaugural flight, Alaska Airlines (AS) offers limited-time deals for travel between September 12 and December 15, 2025.
The Buy One, Get One promotion allows passengers to purchase one economy fare on the Seattle to Seoul Incheon route, with a companion ticket available for just taxes and fees.
Alternatively, Atmos Rewards members can book award redemptions for as low as 20,000 points one way in the main cabin or 40,000 points round-trip.
Tickets must be booked by September 12, 2025, via the official website. Both travelers in the BOGO offer earn Atmos Rewards points and status points based on miles flown, while award ticket travelers earn one status point per mile, approximately 5,200 points for the one way trip.
Photo: Hawaiian AirlinesAtmos Rewards Loyalty Program
Atmos Rewards unites Alaska’s Mileage Plan and Hawaiian’s HawaiianMiles into one streamlined program. Members benefit from:
- Redeemable points for flights, upgrades, and partner services.
- Status points earned on both paid and award tickets, recognizing loyalty by miles flown.
- Access to 1,000+ destinations through partnerships with Hawaiian Airlines, the oneworld alliance, and over 30 additional global carriers.
This program gives travelers expanded choice, global reach, and meaningful rewards across Alaska’s growing long-haul network.
Photo: Alaska AirlinesStrategic Growth and Connectivity
The Seattle to Seoul Incheon route is a cornerstone of Alaska Airlines’ (AS) expansion, leveraging its merger with Hawaiian Airlines (HA) to access larger aircraft and global markets.
Seattle, the largest airline hub on the West Coast with 104 nonstop destinations, facilitates convenient connections for passengers from across North America.
The route supports business and leisure travel to Seoul, a key Asian market, with further connections to other destinations via Alaska’s partners.
Additional 787-9 routes, including Seattle to Tokyo Narita starting January 6, 2026, and new flights to London and Rome in spring 2026, underscore Alaska’s commitment to global growth.
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