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Cheap flights from Seattle to Tongatapu from $1,579

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 7/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Seattle to Tongatapu

Cheap round-trip flights

Enter your travel dates to find the best prices.
Fiji Airways Logo
5:36 pm - 1:45 am
SEA
-
TBU
36h 09m
2 stops
Fiji Airways Logo
5:40 am - 9:45 pm
TBU
-
SEA
36h 05m
2 stops
$1,579Fiji Airways
Wed, Jul 1 - Sat, Jul 11
Multiple Airlines Logo
3:59 pm - 3:55 pm
SEA
-
TBU
27h 56m
2 stops
Multiple Airlines Logo
5:40 am - 9:45 pm
TBU
-
SEA
36h 05m
2 stops
$1,602Multiple Airlines
Thu, Jun 25 - Sat, Jul 11
Multiple Airlines Logo
6:10 pm - 3:55 pm
SEA
-
TBU
25h 45m
2 stops
Multiple Airlines Logo
5:40 am - 8:01 pm
TBU
-
SEA
34h 21m
2 stops
$1,607Multiple Airlines
Thu, Jun 25 - Sat, Jul 11
Fiji Airways Logo
6:25 pm - 3:55 pm
SEA
-
TBU
25h 30m
3 stops
Fiji Airways Logo
5:40 am - 9:45 pm
TBU
-
SEA
36h 05m
2 stops
$1,894Fiji Airways
Thu, Jun 25 - Sat, Jul 11
Fiji Airways Logo
6:25 pm - 3:55 pm
SEA
-
TBU
25h 30m
3 stops
Fiji Airways Logo
5:40 am - 9:45 pm
TBU
-
SEA
36h 05m
2 stops
$1,911Fiji Airways
Thu, Jun 25 - Sat, Jul 11
Multiple Airlines Logo
8:25 pm - 3:55 pm
SEA
-
TBU
47h 30m
3 stops
Multiple Airlines Logo
5:40 am - 9:45 pm
TBU
-
SEA
36h 05m
2 stops
$1,946Multiple Airlines
Wed, Jul 1 - Sat, Jul 11
Multiple Airlines Logo
6:25 pm - 3:55 pm
SEA
-
TBU
25h 30m
3 stops
Multiple Airlines Logo
4:55 pm - 10:58 pm
TBU
-
SEA
26h 03m
2 stops
$2,002Multiple Airlines
Thu, Jun 25 - Sat, Jul 11
Multiple Airlines Logo
9:18 pm - 1:45 am
SEA
-
TBU
56h 27m
2 stops
Multiple Airlines Logo
5:40 am - 11:59 pm
TBU
-
SEA
38h 19m
3 stops
$2,078Multiple Airlines
Fri, Jun 12 - Fri, Jun 26
Air New Zealand Logo
8:15 pm - 10:45 am
SEA
-
TBU
42h 30m
2 stops
Air New Zealand Logo
10:40 pm - 7:38 pm
TBU
-
SEA
40h 58m
2 stops
$2,275Air New Zealand
Fri, Jun 12 - Fri, Jun 26
Fiji Airways Logo
2:40 pm - 1:05 am
SEA
-
TBU
38h 25m
2 stops
Fiji Airways Logo
4:25 pm - 9:49 pm
TBU
-
SEA
25h 24m
2 stops
$2,290Fiji Airways
Mon, Jun 22 - Mon, Jun 29

Fiji Airways flights from Seattle to Tongatapu

Our best Fiji Airways deals on Seattle to Tongatapu flight tickets
Fiji Airways
Jul 1
SEA5:36 pmSeattle/Tacoma Intl
36h 09m
2 stops
TBU1:45 amNuku‘alofa Fua'Amotu Intl
Jul 11
TBU5:40 amNuku‘alofa Fua'Amotu Intl
36h 05m
2 stops
SEA9:45 pmSeattle/Tacoma Intl
$1,579
Fiji Airways
Jun 25
SEA6:25 pmSeattle/Tacoma Intl
25h 30m
3 stops
TBU3:55 pmNuku‘alofa Fua'Amotu Intl
Jul 11
TBU5:40 amNuku‘alofa Fua'Amotu Intl
36h 05m
2 stops
SEA9:45 pmSeattle/Tacoma Intl
$1,894
Fiji Airways
Jun 25
SEA6:25 pmSeattle/Tacoma Intl
25h 30m
3 stops
TBU3:55 pmNuku‘alofa Fua'Amotu Intl
Jul 11
TBU5:40 amNuku‘alofa Fua'Amotu Intl
36h 05m
2 stops
SEA9:45 pmSeattle/Tacoma Intl
$1,911

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 May 11, 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 - TBU

SEATBU

Seattle/Tacoma Intl

Wed 7/1

5:36 pm-1:45 am

2 stops36h 09m

Nuku‘alofa Fua'Amotu Intl

Sat 7/11

5:40 am-9:45 pm

2 stops36h 05m

$1,579

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Thu 6/25

3:59 pm-3:55 pm

2 stops27h 56m

Nuku‘alofa Fua'Amotu Intl

Sat 7/11

5:40 am-9:45 pm

2 stops36h 05m

$1,602

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Thu 6/25

6:10 pm-3:55 pm

2 stops25h 45m

Nuku‘alofa Fua'Amotu Intl

Sat 7/11

5:40 am-8:01 pm

2 stops34h 21m

$1,607

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Thu 6/25

6:25 pm-3:55 pm

3 stops25h 30m

Nuku‘alofa Fua'Amotu Intl

Sat 7/11

5:40 am-9:45 pm

2 stops36h 05m

$1,894

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Thu 6/25

6:25 pm-3:55 pm

3 stops25h 30m

Nuku‘alofa Fua'Amotu Intl

Sat 7/11

5:40 am-9:45 pm

2 stops36h 05m

$1,911

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Wed 7/1

8:25 pm-3:55 pm

3 stops47h 30m

Nuku‘alofa Fua'Amotu Intl

Sat 7/11

5:40 am-9:45 pm

2 stops36h 05m

$1,946
Quickest round-trip

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Thu 6/25

6:25 pm-3:55 pm

3 stops25h 30m

Nuku‘alofa Fua'Amotu Intl

Sat 7/11

4:55 pm-10:58 pm

2 stops26h 03m

$2,002

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Fri 6/12

9:18 pm-1:45 am

2 stops56h 27m

Nuku‘alofa Fua'Amotu Intl

Fri 6/26

5:40 am-11:59 pm

3 stops38h 19m

$2,078

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Fri 6/12

8:15 pm-10:45 am

2 stops42h 30m

Nuku‘alofa Fua'Amotu Intl

Fri 6/26

10:40 pm-7:38 pm

2 stops40h 58m

$2,275

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Mon 6/22

2:40 pm-1:05 am

2 stops38h 25m

Nuku‘alofa Fua'Amotu Intl

Mon 6/29

4:25 pm-9:49 pm

2 stops25h 24m

$2,290

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

36h 50m

Direct flights

None
The fastest flight from Seattle to Tongatapu takes 36h 50m
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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Popular cities in Tongatapu

Popular flights according to clicks in the last 7 days on momondo
Flights to Nuku‘alofafrom $935