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Cheap flights from Portland to Tonga from $1,543

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 9/10. 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.
Fiji Airways Logo
10:30 am - 6:05 pm
PDX
-
TBU
35h 35m
3 stops
Fiji Airways Logo
5:00 am - 10:06 pm
TBU
-
PDX
37h 06m
2 stops
$1,543Fiji Airways
Thu, Sep 10 - Wed, Sep 16
Multiple Airlines Logo
5:55 pm - 6:05 pm
PDX
-
TBU
28h 10m
2 stops
Multiple Airlines Logo
5:00 am - 8:50 pm
TBU
-
PDX
35h 50m
2 stops
$1,612Multiple Airlines
Thu, Sep 10 - Wed, Sep 16
Fiji Airways Logo
3:29 pm - 1:45 am
PDX
-
TBU
38h 16m
2 stops
Fiji Airways Logo
5:40 am - 10:36 pm
TBU
-
PDX
36h 56m
2 stops
$1,883Fiji Airways
Tue, Jul 7 - Wed, Jul 22
Fiji Airways Logo
3:29 pm - 1:45 am
PDX
-
TBU
38h 16m
2 stops
Fiji Airways Logo
5:40 am - 6:11 am
TBU
-
PDX
44h 31m
3 stops
$1,890Fiji Airways
Tue, Jul 7 - Tue, Jul 28
Fiji Airways Logo
3:29 pm - 1:45 am
PDX
-
TBU
38h 16m
2 stops
Fiji Airways Logo
5:40 am - 10:39 pm
TBU
-
PDX
36h 59m
2 stops
$1,959Fiji Airways
Tue, Jul 7 - Fri, Jul 24
Fiji Airways Logo
7:46 am - 3:55 pm
PDX
-
TBU
36h 09m
3 stops
Fiji Airways Logo
5:40 am - 10:36 pm
TBU
-
PDX
36h 56m
2 stops
$1,999Fiji Airways
Tue, Jul 7 - Wed, Jul 22
Fiji Airways Logo
7:46 am - 3:55 pm
PDX
-
TBU
36h 09m
3 stops
Fiji Airways Logo
5:40 am - 6:11 am
TBU
-
PDX
44h 31m
3 stops
$2,006Fiji Airways
Tue, Jul 7 - Tue, Jul 28
Fiji Airways Logo
3:29 pm - 1:45 am
PDX
-
TBU
38h 16m
2 stops
Fiji Airways Logo
4:55 pm - 4:17 pm
TBU
-
PDX
43h 22m
2 stops
$2,073Fiji Airways
Tue, Jul 7 - Sat, Jul 25
Fiji Airways Logo
7:46 am - 3:55 pm
PDX
-
TBU
36h 09m
3 stops
Fiji Airways Logo
5:40 am - 10:39 pm
TBU
-
PDX
36h 59m
2 stops
$2,074Fiji Airways
Tue, Jul 7 - Fri, Jul 24
Fiji Airways Logo
3:29 pm - 1:45 am
PDX
-
TBU
38h 16m
2 stops
Fiji Airways Logo
5:00 am - 10:39 pm
TBU
-
PDX
37h 39m
2 stops
$2,133Fiji Airways
Tue, Jul 7 - Thu, Jul 23

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Fiji Airways flights from Portland to Tonga

Our best Fiji Airways deals on Portland to Tonga flight tickets
Fiji Airways
Sep 10
PDX10:30 amPortland
35h 35m
3 stops
TBU6:05 pmNuku‘alofa Fua'Amotu Intl
Sep 16
TBU5:00 amNuku‘alofa Fua'Amotu Intl
37h 06m
2 stops
PDX10:06 pmPortland
$1,543
Fiji Airways
Jul 4
PDX2:49 pmPortland
38h 56m
2 stops
TBU1:45 amNuku‘alofa Fua'Amotu Intl
Jul 22
TBU5:40 amNuku‘alofa Fua'Amotu Intl
36h 56m
2 stops
PDX10:36 pmPortland
$1,746
Fiji Airways
Jul 4
PDX2:49 pmPortland
38h 56m
2 stops
TBU1:45 amNuku‘alofa Fua'Amotu Intl
Jul 28
TBU5:40 amNuku‘alofa Fua'Amotu Intl
44h 31m
3 stops
PDX6:11 amPortland
$1,752

Qantas Airways flights from Portland to Tonga

Our best Qantas Airways deals on Portland to Tonga flight tickets
Qantas Airways
Jul 5
PDX5:36 pmPortland
26h 54m
2 stops
TBU4:30 pmNuku‘alofa Fua'Amotu Intl
Jul 28
TBU5:30 pmNuku‘alofa Fua'Amotu Intl
26h 22m
2 stops
PDX11:52 pmPortland
$16,965
Qantas Airways
Jul 2
PDX2:39 pmPortland
29h 51m
2 stops
TBU4:30 pmNuku‘alofa Fua'Amotu Intl
Jul 28
TBU5:30 pmNuku‘alofa Fua'Amotu Intl
26h 22m
2 stops
PDX11:52 pmPortland
$17,499

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 June 27, 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

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Thu 9/10

10:30 am-6:05 pm

3 stops35h 35m

Nuku‘alofa Fua'Amotu Intl

Wed 9/16

5:00 am-10:06 pm

2 stops37h 06m

$1,543
Quickest round-trip

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Thu 9/10

5:55 pm-6:05 pm

2 stops28h 10m

Nuku‘alofa Fua'Amotu Intl

Wed 9/16

5:00 am-8:50 pm

2 stops35h 50m

$1,612

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Tue 7/7

3:29 pm-1:45 am

2 stops38h 16m

Nuku‘alofa Fua'Amotu Intl

Wed 7/22

5:40 am-10:36 pm

2 stops36h 56m

$1,883

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Tue 7/7

3:29 pm-1:45 am

2 stops38h 16m

Nuku‘alofa Fua'Amotu Intl

Tue 7/28

5:40 am-6:11 am

3 stops44h 31m

$1,890

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Tue 7/7

3:29 pm-1:45 am

2 stops38h 16m

Nuku‘alofa Fua'Amotu Intl

Fri 7/24

5:40 am-10:39 pm

2 stops36h 59m

$1,959

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Tue 7/7

7:46 am-3:55 pm

3 stops36h 09m

Nuku‘alofa Fua'Amotu Intl

Wed 7/22

5:40 am-10:36 pm

2 stops36h 56m

$1,999

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Tue 7/7

7:46 am-3:55 pm

3 stops36h 09m

Nuku‘alofa Fua'Amotu Intl

Tue 7/28

5:40 am-6:11 am

3 stops44h 31m

$2,006

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Tue 7/7

3:29 pm-1:45 am

2 stops38h 16m

Nuku‘alofa Fua'Amotu Intl

Sat 7/25

4:55 pm-4:17 pm

2 stops43h 22m

$2,073

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Tue 7/7

7:46 am-3:55 pm

3 stops36h 09m

Nuku‘alofa Fua'Amotu Intl

Fri 7/24

5:40 am-10:39 pm

2 stops36h 59m

$2,074

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Tue 7/7

3:29 pm-1:45 am

2 stops38h 16m

Nuku‘alofa Fua'Amotu Intl

Thu 7/23

5:00 am-10:39 pm

2 stops37h 39m

$2,133

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

35h 35m

Direct flights

None
The fastest flight from Portland to Tonga takes 35h 35m
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 $1,028