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Cheap flights from Seattle to Tongatapu from $1,315

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Tongatapu departing on 10/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to Tongatapu

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:44 pm - 10:35 amSEA  Seattle/Tacoma Intl-TBU Nuku‘alofa Fua'Amotu Intl
22h 51m2 stops San Francisco Nadi
Multiple Airlines Logo
5:40 am - 11:03 pmTBU  Nuku‘alofa Fua'Amotu Intl-SEA Seattle/Tacoma Intl
37h 23m2 stops Nadi San Francisco
$1,315Multiple Airlines
Sun, Oct 25 - Fri, Oct 30
Multiple Airlines Logo
5:50 pm - 1:45 amSEA  Seattle/Tacoma Intl-TBU Nuku‘alofa Fua'Amotu Intl
35h 55m2 stops San Francisco Nadi
Multiple Airlines Logo
4:55 pm - 6:32 pmTBU  Nuku‘alofa Fua'Amotu Intl-SEA Seattle/Tacoma Intl
21h 37m2 stops Nadi Vancouver Intl
$1,371Multiple Airlines
Sat, Sep 26 - Sat, Oct 3
Multiple Airlines Logo
5:59 pm - 10:35 amSEA  Seattle/Tacoma Intl-TBU Nuku‘alofa Fua'Amotu Intl
20h 36m2 stops San Francisco Nadi
Multiple Airlines Logo
5:40 am - 10:52 pmTBU  Nuku‘alofa Fua'Amotu Intl-SEA Seattle/Tacoma Intl
37h 12m3 stops Nadi Apia Faleolo Honolulu
$1,592Multiple Airlines
Sun, Oct 25 - Fri, Oct 30
Fiji Airways Logo
4:30 pm - 1:50 amSEA  Seattle/Tacoma Intl-TBU Nuku‘alofa Fua'Amotu Intl
36h 20m2 stops Los Angeles Nadi
Fiji Airways Logo
5:00 am - 6:20 pmTBU  Nuku‘alofa Fua'Amotu Intl-SEA Seattle/Tacoma Intl
34h 20m2 stops Nadi Los Angeles
$1,686Fiji Airways
Sun, Nov 29 - Thu, Dec 3
Fiji Airways Logo
4:30 pm - 1:50 amSEA  Seattle/Tacoma Intl-TBU Nuku‘alofa Fua'Amotu Intl
36h 20m2 stops Los Angeles Nadi
Fiji Airways Logo
4:00 pm - 3:30 pmTBU  Nuku‘alofa Fua'Amotu Intl-SEA Seattle/Tacoma Intl
44h 30m3 stops Nadi Apia Faleolo Honolulu
$1,749Fiji Airways
Sun, Nov 29 - Thu, Dec 3
Fiji Airways Logo
4:30 pm - 10:35 amSEA  Seattle/Tacoma Intl-TBU Nuku‘alofa Fua'Amotu Intl
21h 05m2 stops Los Angeles Nadi
Fiji Airways Logo
4:00 pm - 3:30 pmTBU  Nuku‘alofa Fua'Amotu Intl-SEA Seattle/Tacoma Intl
44h 30m3 stops Nadi Apia Faleolo Honolulu
$1,799Fiji Airways
Sun, Nov 29 - Thu, Dec 3
Fiji Airways Logo
4:30 pm - 1:50 amSEA  Seattle/Tacoma Intl-TBU Nuku‘alofa Fua'Amotu Intl
36h 20m2 stops Los Angeles Nadi
Fiji Airways Logo
5:00 am - 6:20 pmTBU  Nuku‘alofa Fua'Amotu Intl-SEA Seattle/Tacoma Intl
34h 20m2 stops Nadi Los Angeles
$1,886Fiji Airways
Sun, Nov 29 - Thu, Dec 3
Multiple Airlines Logo
4:50 pm - 12:00 pmSEA  Seattle/Tacoma Intl-TBU Nuku‘alofa Fua'Amotu Intl
47h 10m3 stops Doha Hamad Intl Adelaide Auckland Intl
Multiple Airlines Logo
9:40 pm - 12:40 pmTBU  Nuku‘alofa Fua'Amotu Intl-SEA Seattle/Tacoma Intl
59h 00m3 stops Auckland Intl Adelaide Doha Hamad Intl
$3,027Multiple Airlines
Sun, Oct 25 - Fri, Oct 30
Multiple Airlines Logo
5:50 pm - 1:45 amSEA  Seattle/Tacoma Intl-TBU Nuku‘alofa Fua'Amotu Intl
35h 55m2 stops San Francisco Nadi
Multiple Airlines Logo
5:30 pm - 9:12 amTBU  Nuku‘alofa Fua'Amotu Intl-SEA Seattle/Tacoma Intl
35h 42m3 stops Sydney Kingsford Smith Brisbane Vancouver Intl
$3,842Multiple Airlines
Sat, Sep 26 - Sat, Oct 3

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Fiji Airways flights from Seattle to Tongatapu

Our best Fiji Airways deals on Seattle to Tongatapu flight tickets
Fiji Airways
Nov 29
SEA4:30 pmSeattle/Tacoma Intl
36h 20m
2 stops
TBU1:50 amNuku‘alofa Fua'Amotu Intl
Dec 3
TBU5:00 amNuku‘alofa Fua'Amotu Intl
34h 20m
2 stops
SEA6:20 pmSeattle/Tacoma Intl
$1,686
Fiji Airways
Nov 29
SEA4:30 pmSeattle/Tacoma Intl
36h 20m
2 stops
TBU1:50 amNuku‘alofa Fua'Amotu Intl
Dec 3
TBU4:00 pmNuku‘alofa Fua'Amotu Intl
44h 30m
3 stops
SEA3:30 pmSeattle/Tacoma Intl
$1,749
Fiji Airways
Nov 29
SEA4:30 pmSeattle/Tacoma Intl
21h 05m
2 stops
TBU10:35 amNuku‘alofa Fua'Amotu Intl
Dec 3
TBU4:00 pmNuku‘alofa Fua'Amotu Intl
44h 30m
3 stops
SEA3:30 pmSeattle/Tacoma Intl
$1,799

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Tongatapu that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 13, 2026.
Use the filters below to find and compare flights from Seattle to Tongatapu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleNuku‘alofa

SEA Seattle/Tacoma Intl - TBU Nuku‘alofa Fua'Amotu Intl

SEATBU

Seattle/Tacoma Intl

Sun 10/25

3:44 pm-10:35 am

2 stops22h 51m

Nuku‘alofa Fua'Amotu Intl

Fri 10/30

5:40 am-11:03 pm

2 stops37h 23m

$1,315
Quickest round-trip

SeattleNuku‘alofa

SEA Seattle/Tacoma Intl - TBU Nuku‘alofa Fua'Amotu Intl

SEATBU

Seattle/Tacoma Intl

Sat 9/26

5:50 pm-1:45 am

2 stops35h 55m

Nuku‘alofa Fua'Amotu Intl

Sat 10/3

4:55 pm-6:32 pm

2 stops21h 37m

$1,371

SeattleNuku‘alofa

SEA Seattle/Tacoma Intl - TBU Nuku‘alofa Fua'Amotu Intl

SEATBU

Seattle/Tacoma Intl

Sun 10/25

5:59 pm-10:35 am

2 stops20h 36m

Nuku‘alofa Fua'Amotu Intl

Fri 10/30

5:40 am-10:52 pm

3 stops37h 12m

$1,592

SeattleNuku‘alofa

SEA Seattle/Tacoma Intl - TBU Nuku‘alofa Fua'Amotu Intl

SEATBU

Seattle/Tacoma Intl

Sun 11/29

4:30 pm-1:50 am

2 stops36h 20m

Nuku‘alofa Fua'Amotu Intl

Thu 12/3

5:00 am-6:20 pm

2 stops34h 20m

$1,686

SeattleNuku‘alofa

SEA Seattle/Tacoma Intl - TBU Nuku‘alofa Fua'Amotu Intl

SEATBU

Seattle/Tacoma Intl

Sun 11/29

4:30 pm-1:50 am

2 stops36h 20m

Nuku‘alofa Fua'Amotu Intl

Thu 12/3

4:00 pm-3:30 pm

3 stops44h 30m

$1,749

SeattleNuku‘alofa

SEA Seattle/Tacoma Intl - TBU Nuku‘alofa Fua'Amotu Intl

SEATBU

Seattle/Tacoma Intl

Sun 11/29

4:30 pm-10:35 am

2 stops21h 05m

Nuku‘alofa Fua'Amotu Intl

Thu 12/3

4:00 pm-3:30 pm

3 stops44h 30m

$1,799

SeattleNuku‘alofa

SEA Seattle/Tacoma Intl - TBU Nuku‘alofa Fua'Amotu Intl

SEATBU

Seattle/Tacoma Intl

Sun 11/29

4:30 pm-1:50 am

2 stops36h 20m

Nuku‘alofa Fua'Amotu Intl

Thu 12/3

5:00 am-6:20 pm

2 stops34h 20m

$1,886

SeattleNuku‘alofa

SEA Seattle/Tacoma Intl - TBU Nuku‘alofa Fua'Amotu Intl

SEATBU

Seattle/Tacoma Intl

Sun 10/25

4:50 pm-12:00 pm

3 stops47h 10m

Nuku‘alofa Fua'Amotu Intl

Fri 10/30

9:40 pm-12:40 pm

3 stops59h 00m

$3,027

SeattleNuku‘alofa

SEA Seattle/Tacoma Intl - TBU Nuku‘alofa Fua'Amotu Intl

SEATBU

Seattle/Tacoma Intl

Sat 9/26

5:50 pm-1:45 am

2 stops35h 55m

Nuku‘alofa Fua'Amotu Intl

Sat 10/3

5:30 pm-9:12 am

3 stops35h 42m

$3,842

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Seattle to Tongatapu flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Tongatapu

Fastest flight time

35h 55m

Direct flights

None
The fastest flight from Seattle to Tongatapu takes 35h 55m
There are no direct flights from Seattle to Tongatapu. There are no popular flight routes from Seattle to Tongatapu.
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Frequently asked questions about flying from Seattle to Tongatapu

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Tongatapu?

    Prices for flights from Seattle/Tacoma Intl Airport to Tongatapu are updated daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Tongatapu?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Tongatapu.

  • What documentation or ID do you need to fly to Tongatapu?

    The travel and health documents you'll need for your trip to Tongatapu may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Tongatapu. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Seattle to Tongatapu

  • How do I get Price Alerts for flights from Seattle to Tongatapu?

    Price Alerts will notify you by email when the price for flights to Tongatapu from Seattle decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Seattle to Tongatapu with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Tongatapu?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Tongatapu. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seattle to Tongatapu with flexible booking policies on momondo?

Flights from Seattle to Tongatapu with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Tongatapu?

Once you have performed a search for Seattle to Tongatapu flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Seattle to Tongatapu right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Tongatapu now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Tongatapu and let you know when they change.

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Find better results for your trip to Tongatapu

Popular cities in Tongatapu

Popular flights according to clicks in the last 7 days on momondo
Flights to Nuku‘alofafrom $1,082