How do I get Price Alerts for flights from State of Washington to Tongatapu?

Search flight deals from State of Washington to Tongatapu . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from State of Washington to Tongatapu with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

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.

When did momondo last update prices for flights from Washington to Tongatapu?

Prices for flights from Washington to Tongatapu refresh daily.

How old do you have to be to fly from Washington to Tongatapu?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Tongatapu.

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

The travel and health documents required for your trip to Tongatapu can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Tongatapu. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$1,319 Cheap Flights from Washington to Tongatapu in 2026

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Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 8:20 pm

SEA

TBU

32h 40m

2 stops

9:35 pm - 10:06 pm

TBU

SEA

44h 31m

2 stops

$1,319Air New Zealand

Sun, Mar 15 - Sat, Mar 21

3:25 pm - 2:35 pm

PDX

TBU

27h 10m

2 stops

10:40 pm - 7:06 pm

TBU

PDX

40h 26m

2 stops

$1,412Air New Zealand

Mon, Jul 6 - Fri, Jul 24

2:02 pm - 10:35 am

SEA

TBU

23h 33m

2 stops

11:20 am - 5:00 pm

TBU

SEA

26h 40m

2 stops

$1,484Multiple Airlines

Sun, Feb 1 - Tue, Feb 24

5:32 pm - 1:05 am

PDX

TBU

35h 33m

3 stops

10:40 pm - 4:54 pm

TBU

PDX

38h 14m

2 stops

$1,550Multiple Airlines

Mon, Jul 6 - Fri, Jul 24

6:58 pm - 10:35 am

SEA

TBU

19h 37m

2 stops

5:00 am - 6:45 pm

TBU

SEA

33h 45m

2 stops

$1,592Multiple Airlines

Wed, Jul 8 - Thu, Jul 16

5:32 pm - 1:05 am

PDX

TBU

35h 33m

3 stops

5:40 am - 4:17 pm

TBU

PDX

30h 37m

3 stops

$1,681Fiji Airways

Mon, Jul 6 - Fri, Jul 24

2:30 pm - 10:35 am

SEA

TBU

24h 05m

2 stops

4:55 pm - 3:52 pm

TBU

SEA

42h 57m

3 stops

$1,702Fiji Airways

Wed, Jul 8 - Thu, Jul 16

3:45 pm - 10:35 am

SEA

TBU

21h 50m

2 stops

5:40 am - 11:40 pm

TBU

SEA

39h 00m

3 stops

$1,785Fiji Airways

Sun, Feb 1 - Tue, Feb 24

5:50 am - 8:20 pm

SEA

TBU

42h 30m

2 stops

9:35 pm - 3:50 pm

TBU

SEA

38h 15m

3 stops

$1,884Air New Zealand

Sun, Mar 15 - Sat, Mar 21

7:22 pm - 1:45 am

SEA

TBU

34h 23m

2 stops

5:40 am - 10:49 pm

TBU

SEA

37h 09m

2 stops

$2,196Fiji Airways

Sat, Apr 4 - Tue, Apr 7

Fiji Airways flights from State of Washington to Tongatapu

Our best Fiji Airways deals on State of Washington to Tongatapu flight tickets

Fiji Airways

Jan 20

PDX3:22 pmPortland

26h 38m

2 stops

TBU3:00 pmNuku‘alofa Fua'Amotu Intl

Jan 24

TBU4:00 pmNuku‘alofa Fua'Amotu Intl

22h 52m

2 stops

PDX5:52 pmPortland

$1,534

Fiji Airways

Jan 20

PDX3:22 pmPortland

26h 38m

2 stops

TBU3:00 pmNuku‘alofa Fua'Amotu Intl

Jan 24

TBU4:00 pmNuku‘alofa Fua'Amotu Intl

22h 52m

2 stops

PDX5:52 pmPortland

$1,638

Fiji Airways

Jan 20

PDX3:22 pmPortland

26h 38m

2 stops

TBU3:00 pmNuku‘alofa Fua'Amotu Intl

Jan 24

TBU4:00 pmNuku‘alofa Fua'Amotu Intl

22h 52m

2 stops

PDX5:52 pmPortland

$1,649

Air New Zealand flights from State of Washington to Tongatapu

Our best Air New Zealand deals on State of Washington to Tongatapu flight tickets

Air New Zealand

Mar 15

SEA3:40 pmSeattle/Tacoma Intl

32h 40m

2 stops

TBU8:20 pmNuku‘alofa Fua'Amotu Intl

Mar 21

TBU9:35 pmNuku‘alofa Fua'Amotu Intl

44h 31m

2 stops

SEA10:06 pmSeattle/Tacoma Intl

$1,319

Air New Zealand

Jul 6

PDX3:25 pmPortland

27h 10m

2 stops

TBU2:35 pmNuku‘alofa Fua'Amotu Intl

Jul 24

TBU10:40 pmNuku‘alofa Fua'Amotu Intl

40h 26m

2 stops

PDX7:06 pmPortland

$1,412

Air New Zealand

Mar 15

SEA5:50 amSeattle/Tacoma Intl

42h 30m

2 stops

TBU8:20 pmNuku‘alofa Fua'Amotu Intl

Mar 21

TBU9:35 pmNuku‘alofa Fua'Amotu Intl

38h 15m

3 stops

SEA3:50 pmSeattle/Tacoma Intl

$1,884

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Tongatapu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Sun 3/15

3:40 pm-8:20 pm

2 stops32h 40m

Nuku‘alofa Fua'Amotu Intl

Sat 3/21

9:35 pm-10:06 pm

2 stops44h 31m

$1,319

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Mon 7/6

3:25 pm-2:35 pm

2 stops27h 10m

Nuku‘alofa Fua'Amotu Intl

Fri 7/24

10:40 pm-7:06 pm

2 stops40h 26m

$1,412

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Sun 2/1

2:02 pm-10:35 am

2 stops23h 33m

Nuku‘alofa Fua'Amotu Intl

Tue 2/24

11:20 am-5:00 pm

2 stops26h 40m

$1,484

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Mon 7/6

5:32 pm-1:05 am

3 stops35h 33m

Nuku‘alofa Fua'Amotu Intl

Fri 7/24

10:40 pm-4:54 pm

2 stops38h 14m

$1,550

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Wed 7/8

6:58 pm-10:35 am

2 stops19h 37m

Nuku‘alofa Fua'Amotu Intl

Thu 7/16

5:00 am-6:45 pm

2 stops33h 45m

$1,592

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Mon 7/6

5:32 pm-1:05 am

3 stops35h 33m

Nuku‘alofa Fua'Amotu Intl

Fri 7/24

5:40 am-4:17 pm

3 stops30h 37m

$1,681

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Wed 7/8

2:30 pm-10:35 am

2 stops24h 05m

Nuku‘alofa Fua'Amotu Intl

Thu 7/16

4:55 pm-3:52 pm

3 stops42h 57m

$1,702

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Sun 2/1

3:45 pm-10:35 am

2 stops21h 50m

Nuku‘alofa Fua'Amotu Intl

Tue 2/24

5:40 am-11:40 pm

3 stops39h 00m

$1,785

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Sun 3/15

5:50 am-8:20 pm

2 stops42h 30m

Nuku‘alofa Fua'Amotu Intl

Sat 3/21

9:35 pm-3:50 pm

3 stops38h 15m

$1,884

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Sat 4/4

7:22 pm-1:45 am

2 stops34h 23m

Nuku‘alofa Fua'Amotu Intl

Tue 4/7

5:40 am-10:49 pm

2 stops37h 09m

$2,196

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap State of Washington to Tongatapu flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Tongatapu

Fastest flight time	19h 37m
Direct flights	None

The fastest flight from State of Washington to Tongatapu takes 19h 37m

There are no direct flights from State of Washington to Tongatapu. There are no popular flight routes from State of Washington to Tongatapu.

Search flight deals

When did momondo last update prices for flights from Washington to Tongatapu?
Prices for flights from Washington to Tongatapu refresh daily.
How old do you have to be to fly from Washington to Tongatapu?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Tongatapu.
What documentation or ID do you need to fly to Tongatapu?
The travel and health documents required for your trip to Tongatapu can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Tongatapu. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

How do I get Price Alerts for flights from State of Washington to Tongatapu?
Search flight deals from State of Washington to Tongatapu. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from State of Washington to Tongatapu with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
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 Washington to Tongatapu?

Finding the right flight to Tongatapu from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Tongatapu quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Washington to Tongatapu flights to just show those with flexible booking policies.

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

Once you have performed a search for Washington 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 Washington to Tongatapu right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington to Tongatapu flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Wed 2/11

Wed 2/18

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Popular cities in Tongatapu

Flights to Nuku‘alofafrom $979

Cheap flights from Washington to Tongatapu from $1,319

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Tongatapu departing on 3/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Washington to Tongatapu

Cheap round-trip flights

Fiji Airways flights from State of Washington to Tongatapu

Our best Fiji Airways deals on State of Washington to Tongatapu flight tickets

Air New Zealand flights from State of Washington to Tongatapu

Our best Air New Zealand deals on State of Washington to Tongatapu flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Tongatapu that are best for you.

Cheap State of Washington to Tongatapu flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Tongatapu

Fastest flight time

Direct flights

When did momondo last update prices for flights from Washington to Tongatapu?

How old do you have to be to fly from Washington to Tongatapu?

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

How do I get Price Alerts for flights from State of Washington to Tongatapu?

How can I save money on flights from State of Washington to Tongatapu with momondo?

How does momondo find its flight prices?

Why use momondo?

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

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

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

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

An easier way to manage your Tongatapu trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Tongatapu

Popular cities in Tongatapu

Popular flights according to clicks in the last 7 days on momondo