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Cheap flights from Portland to Tonga from $1,284

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 10/11. 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 Portland to Tonga

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:48 pm - 10:35 amPDX  Portland-TBU Nuku‘alofa Fua'Amotu Intl
20h 47m2 stops San Francisco Nadi
Multiple Airlines Logo
11:20 am - 8:50 pmTBU  Nuku‘alofa Fua'Amotu Intl-PDX Portland
29h 30m2 stops Nadi San Francisco
$1,284Multiple Airlines
Sun, Oct 11 - Sat, Oct 31
Fiji Airways Logo
2:30 pm - 10:35 amPDX  Portland-TBU Nuku‘alofa Fua'Amotu Intl
23h 05m2 stops San Francisco Nadi
Fiji Airways Logo
5:00 am - 5:52 pmTBU  Nuku‘alofa Fua'Amotu Intl-PDX Portland
33h 52m2 stops Nadi Los Angeles
$1,377Fiji Airways
Sun, Jan 31 - Thu, Feb 4
Fiji Airways Logo
5:55 pm - 1:05 amPDX  Portland-TBU Nuku‘alofa Fua'Amotu Intl
34h 10m2 stops San Francisco Nadi
Fiji Airways Logo
11:20 am - 4:45 pmTBU  Nuku‘alofa Fua'Amotu Intl-PDX Portland
50h 25m3 stops Nadi Apia Faleolo Honolulu
$1,594Fiji Airways
Sun, Jan 31 - Thu, Feb 4
Fiji Airways Logo
10:30 am - 1:05 amPDX  Portland-TBU Nuku‘alofa Fua'Amotu Intl
41h 35m3 stops Honolulu Christmas Island Nadi
Fiji Airways Logo
11:00 am - 4:34 pmTBU  Nuku‘alofa Fua'Amotu Intl-PDX Portland
26h 34m2 stops Nadi San Francisco
$1,649Fiji Airways
Mon, Nov 2 - Fri, Nov 6
Fiji Airways Logo
10:30 am - 6:05 pmPDX  Portland-TBU Nuku‘alofa Fua'Amotu Intl
58h 35m3 stops Honolulu Christmas Island Nadi
Fiji Airways Logo
11:00 am - 8:47 pmTBU  Nuku‘alofa Fua'Amotu Intl-PDX Portland
30h 47m2 stops Nadi San Francisco
$1,700Fiji Airways
Mon, Nov 2 - Fri, Nov 6
Fiji Airways Logo
10:30 am - 1:05 amPDX  Portland-TBU Nuku‘alofa Fua'Amotu Intl
41h 35m3 stops Honolulu Christmas Island Nadi
Fiji Airways Logo
5:40 am - 4:33 pmTBU  Nuku‘alofa Fua'Amotu Intl-PDX Portland
31h 53m3 stops Nadi Apia Faleolo Honolulu
$1,792Fiji Airways
Mon, Nov 2 - Fri, Nov 6

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Fiji Airways flights from Portland to Tonga

Our best Fiji Airways deals on Portland to Tonga flight tickets
Fiji Airways
Jan 31
PDX2:30 pmPortland
23h 05m
2 stops
TBU10:35 amNuku‘alofa Fua'Amotu Intl
Feb 4
TBU5:00 amNuku‘alofa Fua'Amotu Intl
33h 52m
2 stops
PDX5:52 pmPortland
$1,377
Fiji Airways
Jan 31
PDX5:55 pmPortland
34h 10m
2 stops
TBU1:05 amNuku‘alofa Fua'Amotu Intl
Feb 4
TBU11:20 amNuku‘alofa Fua'Amotu Intl
50h 25m
3 stops
PDX4:45 pmPortland
$1,594
Fiji Airways
Nov 2
PDX10:30 amPortland
41h 35m
3 stops
TBU1:05 amNuku‘alofa Fua'Amotu Intl
Nov 6
TBU11:00 amNuku‘alofa Fua'Amotu Intl
26h 34m
2 stops
PDX4:34 pmPortland
$1,649

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 August 14, 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 Portland - TBU Nuku‘alofa Fua'Amotu Intl

PDXTBU

Portland

Sun 10/11

5:48 pm-10:35 am

2 stops20h 47m

Nuku‘alofa Fua'Amotu Intl

Sat 10/31

11:20 am-8:50 pm

2 stops29h 30m

$1,284

PortlandNuku‘alofa

PDX Portland - TBU Nuku‘alofa Fua'Amotu Intl

PDXTBU

Portland

Sun 1/31

2:30 pm-10:35 am

2 stops23h 05m

Nuku‘alofa Fua'Amotu Intl

Thu 2/4

5:00 am-5:52 pm

2 stops33h 52m

$1,377

PortlandNuku‘alofa

PDX Portland - TBU Nuku‘alofa Fua'Amotu Intl

PDXTBU

Portland

Sun 1/31

5:55 pm-1:05 am

2 stops34h 10m

Nuku‘alofa Fua'Amotu Intl

Thu 2/4

11:20 am-4:45 pm

3 stops50h 25m

$1,594

PortlandNuku‘alofa

PDX Portland - TBU Nuku‘alofa Fua'Amotu Intl

PDXTBU

Portland

Mon 11/2

10:30 am-1:05 am

3 stops41h 35m

Nuku‘alofa Fua'Amotu Intl

Fri 11/6

11:00 am-4:34 pm

2 stops26h 34m

$1,649

PortlandNuku‘alofa

PDX Portland - TBU Nuku‘alofa Fua'Amotu Intl

PDXTBU

Portland

Mon 11/2

10:30 am-6:05 pm

3 stops58h 35m

Nuku‘alofa Fua'Amotu Intl

Fri 11/6

11:00 am-8:47 pm

2 stops30h 47m

$1,700

PortlandNuku‘alofa

PDX Portland - TBU Nuku‘alofa Fua'Amotu Intl

PDXTBU

Portland

Mon 11/2

10:30 am-1:05 am

3 stops41h 35m

Nuku‘alofa Fua'Amotu Intl

Fri 11/6

5:40 am-4:33 pm

3 stops31h 53m

$1,792

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

20h 47m

Direct flights

None
The fastest flight from Portland to Tonga takes 20h 47m
There are no direct flights from Portland to Tonga. There are no popular flight routes from Portland to Tonga.
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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.

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Popular cities in Tonga

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