$1,302 Find Cheap Flights from Seattle to Tongatapu - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 26% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals
Booking Insights
Flight Deals
Booking Insights

Price, demand and travel trends for Seattle to Tongatapu flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What are the cheapest fares from Seattle to Tongatapu recently?

The cheapest fare from Seattle to Tongatapu in the last week was $1,302 round-trip, to Nuku‘alofa Fua'Amotu Intl (TBU).

How do fares into airports in Tongatapu compare?

Flights from Seattle to Tongatapu arrive at a single airport, Nuku‘alofa Fua'Amotu Intl (TBU). Round-trip fares average about $1,301.

What's the best time of day to fly from Seattle to Tongatapu?

It's cheapest to fly to Tongatapu at night with average prices of $1,279. The evening is the most expensive time to fly, with average prices of $1,423.

Key details for Seattle to Tongatapu flights

Cheapest flight

$1,302
The most popular month to fly with an average 29% increase in travelers.
Round-trip flight from Seattle to Nuku‘alofa

Your Seattle to Tongatapu flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • Is now a good time to book a flight from Seattle to Tongatapu?

    Fares from Seattle to Tongatapu are around their usual level right now. A round-trip under $1,279 is considered a good deal, so it's worth keeping an eye out, or setting a Price Alert to catch fare changes.

  • How much should I budget for a flight from Seattle to Tongatapu?

    Over the past 12 months, round-trip fares from Seattle to Tongatapu have typically cost between $1,279 and $1,423.

  • What are the main airports serving Tongatapu?

    Flights to Tongatapu all arrive at Nuku‘alofa Fua'Amotu Intl (TBU).

  • Which cabin classes are available from Seattle to Tongatapu?

    On flights from Seattle to Tongatapu you can only book Economy Class.

Your guide to booking Seattle to Tongatapu flights

Get tips on when to book, when to fly and what to know before your trip.
  • Flexible with your dates? Fly in September to save some money. It's typically the cheapest month on this route, while flights in June will cost you the most.
  • Fly out on a Monday to get the cheapest fares. Avoid Thursday flights, which are about 30% more expensive.
  • Start your trip in Nuku‘alofa, the most popular destination in Tongatapu. From there, it's easy to continue on to other popular spots such as Fua‘amotu, Fafa Island and Ha‘avakatolo.

More options for your flight from Seattle to Tongatapu

Complete your trip to Tongatapu with a hotel stay or car rental