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The cheapest order to fly Seoul, Taipei and Hong Kong from Seattle

There are 6 ways to fly these cities, and 4 of them can be priced from fares we have seen. They do not cost the same. The cheapest works out at about $906 a person and the most expensive at $1,119, a difference of $213 for visiting exactly the same places.

Fly them in this order

Seattle → Hong Kong → Seoul → Taipei → Seattle

About $906 per person in flights, based on fares recently seen on these routes, and the cheapest of the 4 ways round we could price.

The 4 we can price

  1. Seattle → Hong Kong → Seoul → Taipei → Seattle$906
    cheapest order
  2. Seattle → Hong Kong → Taipei → Seoul → Seattle$1,062
    $156 more per person
  3. Seattle → Seoul → Hong Kong → Taipei → Seattle$1,086
    $180 more per person
  4. Seattle → Seoul → Taipei → Hong Kong → Seattle$1,119
    $213 more per person

Why Hong Kong first

  1. Seattle to Hong Kong$316
  2. Hong Kong to Seoul$111
  3. Seoul to Taipei$89
  4. Taipei to Seattle$390
  • Out of Seattle, Hong Kong is the cheapest first stop at about $316. Seoul would be $513.
  • Going home, Taipei is the cheapest city to leave from at about $390, against $565 from Seoul.
  • Taipei to Hong Kong is about $59, but the other way round is $80. Same two cities, $21 apart on direction alone.
  • The dearest order pays $513 for Seattle to Seoul, a flight the cheapest order never takes.
  • Taipei to Seattle is 43% of what the cheapest order spends on flights, so it is the leg to watch.

Between the cities

  • Hong Kong to Seoul: about 2,090 km (1300 miles) as the crow flies. No train or bus we would suggest instead of flying.
  • Seoul to Taipei: about 1,490 km (930 miles) as the crow flies. No train or bus we would suggest instead of flying.

Entry rules on a US passport

  • US passport: visa-free in Hong Kong for up to 90 days. Official source
  • US passport: K-ETA may be required for South Korea (exemptions have come and gone); check before you fly. Official source
  • US passport: visa-free in Taiwan for up to 90 days. Official source

Rules change; check the official source for your passport and dates before you book.

What these numbers are

Cached one-way fares, 11 of 12 legs priced from real observations, put together on November 12, 2026, from fares departing November 13, 2026 onwards. Right for comparing one order with another, not a quote for your dates.

A plan prices your own dates and weighs hours as well as fares, so it can pick a different order from this page.

Other trips priced this way

From Seattle

Trips through the same cities

Put dates on it

Same cities on real dates, plus what one search cannot show: layovers long enough to count as a free city, two tickets that beat one, and cheaper days either side. No account and no card.

One press starts it on January 16, 2027 to January 30, 2027, 14 days, for 2 travelers. Our dates, not yours, and about two minutes.

Plan Seoul, Taipei and Hong Kong from Seattle nowOpen the form instead and pick your own dates

Signed out, 3 trips a day per address, priced from cached fares and the free sources, so some legs may be estimates and the plan says which. Signed in, your first trip also searches Google Flights live, and you can change your trips afterwards.