How much should you expect to spend for a flight from Seattle to Semarang?

Flight prices from Seattle to Semarang change depending on demand and time of booking.

Pick a travel date to see today’s available fares.

Studies show that flying midweek — like on a Tuesday or Wednesday — can be cheaper than weekend flights. Still, airfares change frequently, so check updated prices on Jetcost.

Which airports serve Seattle and Semarang?

When planning a trip of about 13317 km, it's a good idea to check flights from surrounding airports too.

• Airports in Seattle: Seattle is connected to 2 airports - Boeing Field, Lake Union.
• Airports in Semarang: The only active airport in Semarang is Semarang - Achmadyani.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Customize your flight from Seattle to Semarang

Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from the best airlines and travel agencies.

Other popular destinations

Thinking about Indonesia? You might also consider: Bali, Jakarta, Lombok, Medan, Surabaya.

You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.