What is the cheapest airline to fly from Seattle to Dunedin round-trip?

According to our current data, Air New Zealand ($1,364), offers the cheapest pricing from Seattle to Dunedin.

What is the cheapest day to fly from Seattle to Dunedin?

Travelers seeking maximum savings on their Seattle to Dunedin flight should consider departing on Thursday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Dunedin ranges from 2.4 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. September is typically the driest time to visit Dunedin when rainfall is around 2.4 in.

If weather is an important factor for your trip to Dunedin, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 57.2 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 41.0 F).

What is the cheapest time of day to fly from SEA to DUD?

One of the essential ways to save on airfare from Seattle to Dunedin is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 42% on airfare.

Most accurate provider : When it comes to deals on Seattle-Dunedin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Dunedin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Dunedin flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Seattle-Dunedin flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Dunedin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Seattle to Dunedin that include hotel bookings?

Yes. In addition to deals on Seattle to Dunedin flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Seattle to Dunedin?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Dunedin.

Can I find deals for business class flights from Seattle to Dunedin?

Yes. Cheapflights offers flight deals from Seattle to Dunedin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Find Cheap Flights from Seattle to Dunedin

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Cheap flight deals from Seattle to Dunedin

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars

Provider with most accurate pricing for Seattle/Tacoma Intl-Dunedin flight deals.

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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Dunedin flights.

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Most accurate provider: When it comes to deals on Seattle-Dunedin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Dunedin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Dunedin flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Seattle-Dunedin flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Dunedin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Dunedin

Have a flexible travel schedule? Discover the best time to fly to Dunedin from Seattle with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Dunedin

See what other customers who have flown with Air New Zealand from Seattle to Dunedin have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air New Zealand

8.0

Very good

505 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Air New Zealand

8.0

Very good

505 reviews

Air New Zealand

8.0

Very good

505 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Jul 2025

AKL - SFO

Flight was delayed an hour. We had just flown Air NZ on a 12- hour flight from AKL so the extra delay on this connecting flight wasn’t welcomed.

Related info for your journey

What is the cheapest airline to fly from Seattle to Dunedin round-trip?
According to our current data, Air New Zealand ($1,364), offers the cheapest pricing from Seattle to Dunedin.
Can I find deals for flights from Seattle to Dunedin that include hotel bookings?
Yes. In addition to deals on Seattle to Dunedin flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Dunedin?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Dunedin.
Can I find deals for business class flights from Seattle to Dunedin?
Yes. Cheapflights offers flight deals from Seattle to Dunedin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top airline flying from Seattle to Dunedin

Airline	Cheapest	Average	Flexibility	On-time
Air New Zealand	Cheapest$1,364	Average$1,875	FlexibilityNo cancel fee	On-time78%

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Find cheap flights from Seattle to Dunedin with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Seattle to Dunedin

Most accurate provider

Most trusted provider

Best time to book a flight from Seattle to Dunedin

Have a flexible travel schedule? Discover the best time to fly to Dunedin from Seattle with our price prediction graph.

Reviews of airlines servicing Dunedin

See what other customers who have flown with Air New Zealand from Seattle to Dunedin have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Dunedin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Seattle to Dunedin round-trip?

Can I find deals for flights from Seattle to Dunedin that include hotel bookings?

How can I find direct flights from Seattle to Dunedin?

Can I find deals for business class flights from Seattle to Dunedin?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Dunedin

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Complete your trip

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Other flights to Dunedin

Explore flights to Dunedin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 22, 2025.

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Seattle and Dunedin flights

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Other flights from Seattle

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Top airline flying from Seattle to Dunedin

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Cheap flights from Seattle (SEA) to Dunedin (DUD)

Find cheap flights from Seattle to Dunedin with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Seattle to Dunedin

Most accurate provider

Most trusted provider

Best time to book a flight from Seattle to Dunedin

Have a flexible travel schedule? Discover the best time to fly to Dunedin from Seattle with our price prediction graph.

Reviews of airlines servicing Dunedin

See what other customers who have flown with Air New Zealand from Seattle to Dunedin have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Dunedin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What is the cheapest airline to fly from Seattle to Dunedin round-trip?

Can I find deals for flights from Seattle to Dunedin that include hotel bookings?

How can I find direct flights from Seattle to Dunedin?

Can I find deals for business class flights from Seattle to Dunedin?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Dunedin

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Seattle to Dunedin

100% Free

Book with Flexibility

Travel Smart