Rarotonga or Upolu?
Choose Rarotonga for the easiest family week: NZ dollars, a hire car on your NZ licence, a shallow lagoon and higher scores from October to February. Choose Upolu for deeper culture, warmer winter sea and beach fales from about ST$80 a night, if you can plan around cash and Sundays. The decider is effort: Rarotonga asks almost none, and Upolu repays a little planning.
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Choose Rarotonga if
- You want to pay in NZ dollars and drive a hire car on your NZ licence
- You have young children and want a shallow lagoon and short drives
- You are going between October and February, when Rarotonga’s conditions score higher
- You fly from Christchurch between June and October, when there is a direct flight
Choose Upolu if
- You want faʻa Samoa day to day, from the evening sa curfew to village-owned beaches
- You want a beach fale with breakfast and dinner from about ST$80 a night
- You are going in July, August or September, when Upolu’s conditions score higher
- You want warm sea in winter, about 28 °C in August against Rarotonga’s 24 °C
Side by side
| RarotongaCook Islands | UpoluSamoa | |
|---|---|---|
| In a line | The easiest tropical island from NZ: under four hours from Auckland, NZ dollars, 90 days on arrival. Just don’t expect bargains. | Living Samoan culture, south-coast beaches and cheap beach fales, under four hours from Auckland. Sundays need working around. |
| Getting there | ||
| From Auckland | Direct flight, about 4 h | Direct flight, about 4 h |
| From Wellington | Via Auckland, about 6 h 30 min | Via Auckland, about 6 h 30 min |
| From Christchurch | Via Auckland Nov–May, about 7 hDirect flight Jun–Oct, about 4 h 45 min | Via Auckland, about 7 h |
| Time difference | 1 hour ahead of NZ, a day behindFrom 4 April 2027: 2 hours ahead, a day behind.From 26 September 2027: 1 hour ahead, a day behind. | Same time as NZFrom 4 April 2027: 1 hour ahead.From 26 September 2027: same time as NZ. |
| Weather | ||
| Best months | Best from May to November | Best from June to September |
| Month by month |
|
|
| Sea temperature | 24–28 °CCoolest in August, warmest in March | 28–29 °CCoolest in August, warmest in March |
| Rain | 90–210 mm a monthDriest Oct, wettest Jan | 60–250 mm a monthDriest Aug, wettest Jan |
| Cyclones | About 1 storm in 2 seasonsCyclones within 200 km, mostly Jan–Mar | About 1 storm in 2 seasonsCyclones within 200 km, mostly Dec–Feb |
| Money and entry | ||
| Currency | NZ dollarsThe same money as at home. | NZ$1 ≈ ST$1.55Samoan tala. Mid-market rate on 13 October 2026. |
| Cost | About NZ prices | About NZ prices |
| Entry for NZ passports | No visa needed.NZ passport holders get a free 90-day visitor permit on arrival. Your passport must be valid for 6 months beyond your departure, and you need proof of onward travel, accommodation details and enough money for your stay.Check with mfai.gov.ck | No visa needed.At the time of writing, NZ passport holders get a free 90-day visitor permit on arrival. You need a passport valid for six months beyond departure, a return or onward ticket, your accommodation details and evidence of funds.Check with mpmc.gov.ws |
| Who it suits | ||
| Best for | Families, couples and beaches | Culture, couples and adventure |
| The catch | Prices like home. The tourism board says eating out costs about the same as in New Zealand. Sundays are slow, and an NZ car licence does not cover a scooter. | Cash and Sundays. Upolu runs on cash and stops on Sundays, when most sights, shops and fuel stations close. Roads are slow, too. |
| Where to stay | ||
| Places to stay | See stays in Muri, on Booking.com (opens in a new tab)The Rarotonga guide | See stays in Apia, on Booking.com (opens in a new tab)The Upolu guide |
- Excellent, 80 and up
- Good, 65–79
- Fair, 50–64
- Poor, under 50
- Best months
Conditions score out of 100, from weather-station normals (Meteostat) and NASA POWER, NOAA sea temperatures and IBTrACS cyclone tracks (1991–2020). Flight times are typical scheduled times from each airline. Exchange rates are mid-market. How we research
“See stays” links go to Booking.com. They are partner links: we may earn a commission, and it never changes our verdicts. How we make money
The real difference
Rarotonga is the easy option; Upolu is the more absorbing one. Rarotonga is 32 km around and takes about 45 minutes to drive, it uses NZ dollars, and Muri’s shallow lagoon suits beginner snorkellers. Many of the island’s holiday homes sit right on the lagoon edge. Upolu is 75 km long and slower going: the south-coast beach at Lalomanu is 1.5 hours’ drive from Apia, and faʻa Samoa, the Samoan way, shapes everyday life.
The catches are different kinds of friction. On Rarotonga it is price: the tourism board says eating out costs about the same as in New Zealand. On Upolu it is cash and Sundays, when most attractions and fuel stations close, and many beaches belong to villages that ask a small cash fee.
Each has a second island close by. Air Rarotonga flies to Aitutaki several times a day, in about 50 minutes; our Cook Islands page covers it. From Upolu, the ferry to Savaiʻi, Samoa’s larger and quieter island, takes 60–90 minutes from Mulifanua wharf, six minutes’ drive from the airport; see our Samoa page.
Getting there and around
From Auckland it’s a draw: Air New Zealand flies non-stop to both in about four hours. From Wellington, both mean connecting through Auckland. Christchurch is the split, because Rarotonga has a direct service from June to October, while Samoa always means a change in Auckland.
The clocks are the surprise. Samoa runs on NZ time or an hour ahead, but Rarotonga is across the date line and a day behind. The Cook Islands tourism board says booking your first night a day too late is a common mistake.
On the ground, Rarotonga is simpler. A full NZ licence covers a hire car, and buses circle the island in both directions. On Upolu you also need a temporary licence, ST$21 for a month (October 2026). Rarotonga has its own licence trap, though: for a scooter, the tourism board lists a NZ$20 visitor licence from the police, plus tests if your licence has no motorcycle class.
When each is at its best
Upolu has the higher winter peak; Rarotonga has the longer season. From July to September, Upolu’s conditions score higher every month, and its sea is far warmer, at about 28 °C in August when Rarotonga’s has cooled to 24 °C. For the July school holidays (3–18 July in 2027), Upolu is the warmer swim.
Rarotonga holds up better through spring and summer. It scores higher every month from October to February, and the gap is widest in January, when Rarotonga rates 67 and Upolu 51. Rarotonga’s wet season is gentler too, with up to about 210 mm of rain a month against about 250 mm on Upolu. Upolu edges ahead again in March and April.
Both are in the November to April cyclone season, with the same storm record. Air New Zealand says Rarotonga fares are usually cheapest from December to March, and Samoa fares outside the school holidays.
Costs and practicalities
Both sit in the same cost tier, about NZ prices. Upolu’s budget bed is the beach fale, from about ST$80 a night (October 2026), usually with breakfast and dinner included. On Rarotonga, the markets have cheap places to eat and supermarkets stock familiar brands, which helps if you self-cater.
Money works differently in Samoa. Most resorts take cards, but markets, buses and local restaurants want cash, and ATMs need a PIN and sit mostly in urban areas.
For families with young children, Rarotonga is the easier call. Its larger resorts run kids’ clubs, and the Cook Islands were declared dengue-free on 25 May 2026, while Samoa’s outbreak, declared in April 2025, was still producing new cases in late September 2026. Sundays are quiet on both but stricter in Samoa, where most attractions and fuel stations close; on Rarotonga the bus runs a reduced, clockwise-only service.
Sources
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Every fact on this page comes from one of these. Rules and prices change, so check the official source before you book. All 23 were read on .
- Air New Zealand: Flights to Rarotonga
- Air New Zealand: Flights to Samoa
- Cook Islands Tourism: frequently asked questions
- Cook Islands Tourism: flights
- Cook Islands Tourism: getting around
- Cook Islands Tourism: land experiences
- Cook Islands Tourism: families
- Cook’s Island Bus: timetables
- Captain Tama’s Lagoon Cruizes
- Te Marae Ora Cook Islands Ministry of Health: dengue
- Samoa Tourism Authority: Cultural protocols
- Samoa Tourism Authority: Sundays in Samoa
- Samoa Tourism Authority: Village curfew
- Samoa Tourism Authority: Currency and banks
- Samoa Tourism Authority: Upolu Island
- Samoa Tourism Authority: Apia
- Samoa Tourism Authority: Taking the ferry to Savaiʻi
- Samoa Tourism Authority: Samoa on a budget
- Land Transport Authority Samoa: Fees
- SafeTravel: Samoa
- SafeTravel: Cook Islands
- Samoa Ministry of Health: Dengue situation report no. 76 (28 September 2026)
- Ministry of Education: school terms and holidays dates