Latest deals
FAQs
Price Alerts

Cheap flights from Portland to Tonga from $1,249

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Tonga departing on 9/21. 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
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland to Tonga

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:35 pm - 10:35 am
PDX
-
TBU
21h 00m
2 stops
Multiple Airlines Logo
11:20 am - 8:50 pm
TBU
-
PDX
29h 30m
2 stops
$1,249Multiple Airlines
Mon, Sep 21 - Wed, Sep 30
Multiple Airlines Logo
2:50 pm - 10:35 am
PDX
-
TBU
23h 45m
2 stops
Multiple Airlines Logo
11:20 am - 8:36 pm
TBU
-
PDX
29h 16m
2 stops
$1,268Multiple Airlines
Mon, Sep 21 - Wed, Sep 30
Multiple Airlines Logo
10:30 am - 1:05 am
PDX
-
TBU
42h 35m
3 stops
Multiple Airlines Logo
11:20 am - 8:50 pm
TBU
-
PDX
29h 30m
2 stops
$1,399Multiple Airlines
Mon, Sep 21 - Wed, Sep 30
Multiple Airlines Logo
10:30 am - 10:35 am
PDX
-
TBU
52h 05m
3 stops
Multiple Airlines Logo
11:20 am - 8:50 pm
TBU
-
PDX
29h 30m
2 stops
$1,445Multiple Airlines
Mon, Sep 21 - Wed, Sep 30
Fiji Airways Logo
5:32 pm - 1:45 am
PDX
-
TBU
36h 13m
2 stops
Fiji Airways Logo
11:20 am - 10:39 pm
TBU
-
PDX
31h 19m
2 stops
$1,816Fiji Airways
Sat, Aug 15 - Wed, Aug 19
Fiji Airways Logo
5:32 pm - 1:45 am
PDX
-
TBU
36h 13m
2 stops
Fiji Airways Logo
11:20 am - 8:50 pm
TBU
-
PDX
29h 30m
2 stops
$1,820Fiji Airways
Sat, Aug 15 - Wed, Aug 19
Fiji Airways Logo
5:32 pm - 1:45 am
PDX
-
TBU
36h 13m
2 stops
Fiji Airways Logo
11:20 am - 10:39 pm
TBU
-
PDX
31h 19m
2 stops
$1,850Fiji Airways
Sat, Aug 15 - Wed, Aug 19

Fiji Airways flights from Portland to Tonga

Our best Fiji Airways deals on Portland to Tonga flight tickets
Fiji Airways
Aug 15
PDX5:32 pmPortland
36h 13m
2 stops
TBU1:45 amNuku‘alofa Fua'Amotu Intl
Aug 19
TBU11:20 amNuku‘alofa Fua'Amotu Intl
31h 19m
2 stops
PDX10:39 pmPortland
$1,816
Fiji Airways
Aug 15
PDX5:32 pmPortland
36h 13m
2 stops
TBU1:45 amNuku‘alofa Fua'Amotu Intl
Aug 19
TBU11:20 amNuku‘alofa Fua'Amotu Intl
29h 30m
2 stops
PDX8:50 pmPortland
$1,820
Fiji Airways
Aug 15
PDX5:32 pmPortland
36h 13m
2 stops
TBU1:45 amNuku‘alofa Fua'Amotu Intl
Aug 19
TBU11:20 amNuku‘alofa Fua'Amotu Intl
31h 19m
2 stops
PDX10:39 pmPortland
$1,850

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Tonga 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 3, 2026.
Use the filters below to find and compare flights from Portland to Tonga that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Mon 9/21

5:35 pm-10:35 am

2 stops21h 00m

Nuku‘alofa Fua'Amotu Intl

Wed 9/30

11:20 am-8:50 pm

2 stops29h 30m

$1,249

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Mon 9/21

2:50 pm-10:35 am

2 stops23h 45m

Nuku‘alofa Fua'Amotu Intl

Wed 9/30

11:20 am-8:36 pm

2 stops29h 16m

$1,268

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Mon 9/21

10:30 am-1:05 am

3 stops42h 35m

Nuku‘alofa Fua'Amotu Intl

Wed 9/30

11:20 am-8:50 pm

2 stops29h 30m

$1,399

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Mon 9/21

10:30 am-10:35 am

3 stops52h 05m

Nuku‘alofa Fua'Amotu Intl

Wed 9/30

11:20 am-8:50 pm

2 stops29h 30m

$1,445

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Sat 8/15

5:32 pm-1:45 am

2 stops36h 13m

Nuku‘alofa Fua'Amotu Intl

Wed 8/19

11:20 am-10:39 pm

2 stops31h 19m

$1,816

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Sat 8/15

5:32 pm-1:45 am

2 stops36h 13m

Nuku‘alofa Fua'Amotu Intl

Wed 8/19

11:20 am-8:50 pm

2 stops29h 30m

$1,820

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Sat 8/15

5:32 pm-1:45 am

2 stops36h 13m

Nuku‘alofa Fua'Amotu Intl

Wed 8/19

11:20 am-10:39 pm

2 stops31h 19m

$1,850

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Portland to Tonga flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Tonga

Fastest flight time

23h 45m

Direct flights

None
The fastest flight from Portland to Tonga takes 23h 45m
There are no direct flights from Portland to Tonga. There are no popular flight routes from Portland to Tonga.
Search flight deals

Frequently asked questions about flying from Portland to Tonga

  • When did momondo last update prices for flights from Portland Airport to Tonga?

    Prices for flights from Portland Airport to Tonga were last updated today.

  • How old do you have to be to fly from Portland Airport to Tonga?

    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 Portland Airport to Tonga.

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

    The travel and health documents required for your trip to Tonga 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 Tonga. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Portland to Tonga

  • How do I get Price Alerts for flights from Portland to Tonga?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Portland from Tonga. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Portland to Tonga 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 Portland to Tonga?

Finding the right flight to Tonga from Portland 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 Tonga quick and easy, saving you time and money.

Can I find flights from Portland to Tonga with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Tonga from Portland with this policy.

How can momondo help me find flights from Portland to Tonga?

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

Yes momondo offers price alerts on flights to Tonga from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Tonga 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 6/2
Tue 6/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Tonga

Popular cities in Tonga

Popular flights according to clicks in the last 7 days on momondo
Flights to Nuku‘alofafrom $919