Cheap flights to Tonga

View €191 flight on Tue, 10 Mar 2026Opens in a new window

Popular airlines to Tonga

  • Fiji Airways

  • Air New Zealand

  • Qantas Airways

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 15% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Tonga

Prices were available within the past 7 days and start at €191 for one-way flights and €365 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fiji Airways
Tue, 10 Mar - Fri, 13 Mar
SYD
Sydney
TBU
Tongatapu Island
€365 Return, found 6 days ago
€365
Return
found 6 days ago
Select Fiji Airways flight, departing Tue, 10 Mar from Sydney to Tongatapu Island, returning Fri, 13 Mar, priced at €365 found 6 days ago
Fiji Airways
Sat, 14 Mar - Sat, 21 Mar
SYD
Sydney
TBU
Tongatapu Island
€366 Return, found 4 days ago
€366
Return
found 4 days ago
Select Fiji Airways flight, departing Sat, 14 Mar from Sydney to Tongatapu Island, returning Sat, 21 Mar, priced at €366 found 4 days ago
Fiji Airways
Sat, 18 Jul - Sat, 25 Jul
NAN
Nadi
TBU
Tongatapu Island
€373 Return, found 14 hours ago
€373
Return
found 14 hours ago
Select Fiji Airways flight, departing Sat, 18 Jul from Nadi to Tongatapu Island, returning Sat, 25 Jul, priced at €373 found 14 hours ago
Fiji Airways
Tue, 10 Mar - Fri, 13 Mar
NAN
Nadi
TBU
Tongatapu Island
€375 Return, found 6 days ago
€375
Return
found 6 days ago
Select Fiji Airways flight, departing Tue, 10 Mar from Nadi to Tongatapu Island, returning Fri, 13 Mar, priced at €375 found 6 days ago
Fiji Airways
Tue, 19 May - Tue, 26 May
NAN
Nadi
TBU
Tongatapu Island
€376 Return, found 1 day ago
€376
Return
found 1 day ago
Select Fiji Airways flight, departing Tue, 19 May from Nadi to Tongatapu Island, returning Tue, 26 May, priced at €376 found 1 day ago
Fiji Airways
Fri, 17 Jul - Tue, 28 Jul
NAN
Nadi
TBU
Tongatapu Island
€385 Return, found 3 days ago
€385
Return
found 3 days ago
Select Fiji Airways flight, departing Fri, 17 Jul from Nadi to Tongatapu Island, returning Tue, 28 Jul, priced at €385 found 3 days ago
Qantas Airways
Sat, 14 Mar - Sat, 21 Mar
SYD
Sydney
TBU
Tongatapu Island
€433 Return, found 4 days ago
€433
Return
found 4 days ago
Select Qantas Airways flight, departing Sat, 14 Mar from Sydney to Tongatapu Island, returning Sat, 21 Mar, priced at €433 found 4 days ago
Fiji Airways
Sat, 18 Jul - Sat, 25 Jul
NAN
Nadi
TBU
Tongatapu Island
€433 Return, found 14 hours ago
€433
Return
found 14 hours ago
Select Fiji Airways flight, departing Sat, 18 Jul from Nadi to Tongatapu Island, returning Sat, 25 Jul, priced at €433 found 14 hours ago
Air New Zealand
Wed, 11 Mar - Fri, 13 Mar
SYD
Sydney
TBU
Tongatapu Island
€630 Return, found 6 days ago
€630
Return
found 6 days ago
Select Air New Zealand flight, departing Wed, 11 Mar from Sydney to Tongatapu Island, returning Fri, 13 Mar, priced at €630 found 6 days ago
Shandong Airlines
Fri, 13 Feb - Tue, 17 Feb
TAO
Qingdao
TBU
Tongatapu Island
€1,246 Return, found 11 hours ago
€1,246
Return
found 11 hours ago
Select Shandong Airlines flight, departing Fri, 13 Feb from Qingdao to Tongatapu Island, returning Tue, 17 Feb, priced at €1,246 found 11 hours ago

About Tonga

Expedia offers flights to Tonga to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Tonga or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Frequently asked questions

How do I find cheap flights to Tonga that have flexible change policies?
We know that travel schedules can change in the blink of an eye, so locking in a flexible ticket with Expedia is a sensible idea. Just check the "No change fee" box below the "Flexible change policies" filter. Your well-priced and flexible flight to Tonga is just a few clicks away.
How can I find cheap tickets to Tonga?
One of the easiest ways to score cheap tickets to Tonga is to be flexible with your travel dates. Search for your flights, then click "flexible dates" at the top of your results. You'll see the cheapest prices for nearby days. The best price for a flight to Tonga in the last seven days was €365. Booking well ahead of time will usually help you get an even bigger bargain.
How much is a flight to Tonga?
The price of a round-trip airfare to Tonga in the last seven days varied between €365 and €1,246. If you were travelling one way from Sydney (SYD), you could have nabbed a deal from only €191.
How much is a plane ticket to Tonga?
Flights to Tonga varied from €365 to €1,246 in the last seven days. Usually, the earlier you book the better the deal.
What is the best time to go to Tonga?
Make your way to Tonga during August, September and October. People flock to main cities like Eua at this time of year. If you prefer hot weather, it's good to know that the summer season in Tonga begins December 1. Average temperatures range from 27ºC to 27ºC in Eua then.
What months are the cheapest to book a flight to Tonga?
An excellent month to purchase low-cost fares to Tonga is February. It's worth remembering that in the USA, an expensive time to reserve a ticket is the festive month of December.
*Available to Expedia members.