Route guide

Seattle to Haikou (Meilan) (SEA-HAK): Nonstop Upgrade & Award Space

Hainan Airlines flies nonstop from Seattle (SEA) to Haikou (Meilan) (HAK) just once a week. With so few departures, each one carries the only premium seats on the route that day. 2LNR tracks confirmed upgrade and award space on all of them, so a rare opening doesn't slip past you.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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1
Nonstop flights a week
6,748 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every SEA to HAK departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Seattle to Haikou (Meilan) to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each SEA to HAK departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See SEA to HAK on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Seattle to Haikou (Meilan) nonstop

Carriers operating SEA to HAK nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • Hainan Airlines
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Frequently asked questions about SEA to HAK

How far is Haikou (Meilan) from Seattle?
SEA to HAK covers about 6,748 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from SEA to HAK?
Hainan Airlines is currently the only airline flying SEA to HAK nonstop. 2LNR tracks confirmed upgrade and award space on every Hainan Airlines departure.
How often does SEA to HAK operate?
The nonstop currently runs once a week, on Hainan Airlines. Thin schedules like this change by season, and an alert will catch anything added.
How do I check upgrade or award availability on SEA to HAK?
Open the SEA to HAK calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Seattle to Haikou (Meilan) route, and 2LNR will notify you when space opens. It's free to start.

Never miss SEA to HAK upgrade or award space

Track confirmed availability, set alerts, and book with confidence. Free to start, no credit card required.

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