HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
South Island

$592+ Cheap flights from Dulles Intl (IAD) to South Island

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CHC
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to South Island with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dulles Intl to South Island

Keep the following information in mind while searching for Dulles Intl to South Island flight deals. Data was last updated July 3, 2025.

Round-trip from

$1,344
(Travelocity)

One-way from

$592
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$1,908
From Washington, D.C. Dulles Intl to South Island
Search Deals
One-way flight from Washington, D.C. Dulles Intl to South Island
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($181 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Dulles Intl to South Island

Cheapest flights from Dulles Intl to South Island
Explore the most affordable flight options available from Dulles Intl to South Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Travelocity deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/412:35 pmIAD - CHC
3 stops41h 20mMultiple Airlines
Thu 11/136:10 amCHC - IAD
3 stops32h 19mMultiple Airlines
Deal found 7/1$1,344
This FlightHub deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1210:20 amIAD - CHC
3 stops43h 55mAir Canada
Sun 10/196:35 amCHC - IAD
3 stops44h 03mAir Canada
Deal found 7/2$1,391
This FlightHub deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/126:58 pmIAD - CHC
2 stops35h 17mAir New Zealand
Sun 10/195:00 pmCHC - IAD
2 stops23h 51mAir New Zealand
Deal found 7/1$1,644
This FlightHub deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/239:00 amIAD - ZQN
3 stops59h 15mAir Canada
Wed 12/33:05 pmZQN - IAD
3 stops66h 49mAir Canada
Deal found 7/1$1,698
This KAYAK deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2312:35 pmIAD - ZQN
2 stops28h 50mAir New Zealand
Wed 12/32:15 pmZQN - IAD
2 stops25h 06mAir New Zealand
Deal found 7/2$1,814
This Gurufare deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1211:30 amIAD - CHC
2 stops42h 40mQantas Airways
Tue 12/306:20 amCHC - IAD
2 stops27h 53mQantas Airways
Deal found 7/1$2,240
This Qantas Airways deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/223:55 pmIAD - ZQN
3 stops30h 35mMultiple Airlines
Tue 10/77:05 amZQN - IAD
2 stops32h 43mMultiple Airlines
Deal found 7/2$2,362
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/232:04 pmIAD - ZQN
3 stops32h 11mAmerican Airlines
Wed 12/37:00 amZQN - IAD
2 stops33h 14mAmerican Airlines
Deal found 7/2$2,376
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/19:03 amIAD - CHC
3 stops36h 02mAmerican Airlines
Wed 9/176:00 amCHC - IAD
2 stops32h 45mAmerican Airlines
Deal found 7/2$2,424
This oojo deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/15:55 pmIAD - NSN
2 stops27h 45mAir New Zealand
Sat 7/1910:35 amNSN - IAD
2 stops24h 17mAir New Zealand
Deal found 7/1$2,472
This Air New Zealand deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/114:10 pmIAD - BHE
2 stops27h 30mAir New Zealand
Sat 11/152:35 pmBHE - IAD
2 stops28h 23mAir New Zealand
Deal found 7/2$2,514
This Air New Zealand deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/237:00 pmIAD - DUD
2 stops31h 50mAir New Zealand
Wed 8/271:05 pmDUD - IAD
2 stops32h 19mAir New Zealand
Deal found 7/2$2,514

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to South Island 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, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to South Island that are best for you.

Fly from

Dulles Intl

Fly to

South Island

Route

Depart

Return

Price

Washington, D.C.Christchurch

IAD - CHC

IADCHC

Washington, D.C. Dulles Intl

Tue 11/4

12:35 pm-11:55 pm

3 stops41h 20m

Christchurch

Thu 11/13

6:10 am-8:29 pm

3 stops32h 19m

$1,344

Washington, D.C.Christchurch

IAD - CHC

IADCHC

Washington, D.C. Dulles Intl

Sun 10/12

10:20 am-11:15 pm

3 stops43h 55m

Christchurch

Sun 10/19

6:35 am-9:38 am

3 stops44h 03m

$1,391

Washington, D.C.Christchurch

IAD - CHC

IADCHC

Washington, D.C. Dulles Intl

Sun 10/12

6:58 pm-11:15 pm

2 stops35h 17m

Christchurch

Sun 10/19

5:00 pm-11:51 pm

2 stops23h 51m

$1,644

Washington, D.C.Queenstown

IAD - ZQN

IADZQN

Washington, D.C. Dulles Intl

Mon 9/22

12:35 pm-9:50 am

2 stops29h 15m

Queenstown Intl

Tue 10/7

3:05 pm-10:06 pm

2 stops24h 01m

$1,854

Washington, D.C.Christchurch

IAD - CHC

IADCHC

Washington, D.C. Dulles Intl

Fri 12/12

11:30 am-12:10 am

2 stops42h 40m

Christchurch

Tue 12/30

6:20 am-4:13 pm

2 stops27h 53m

$2,240

Washington, D.C.Queenstown

IAD - ZQN

IADZQN

Washington, D.C. Dulles Intl

Mon 9/22

3:55 pm-2:30 pm

3 stops30h 35m

Queenstown Intl

Tue 10/7

7:05 am-10:48 pm

2 stops32h 43m

$2,362

Washington, D.C.Christchurch

IAD - CHC

IADCHC

Washington, D.C. Dulles Intl

Fri 8/1

9:03 am-1:05 pm

3 stops36h 02m

Christchurch

Wed 9/17

6:00 am-10:45 pm

2 stops32h 45m

$2,424

Washington, D.C.Blenheim

IAD - BHE

IADBHE

Washington, D.C. Dulles Intl

Tue 11/11

4:10 pm-1:40 pm

2 stops27h 30m

Blenheim

Sat 11/15

2:35 pm-12:58 am

2 stops28h 23m

$2,514

Washington, D.C.Dunedin

IAD - DUD

IADDUD

Washington, D.C. Dulles Intl

Sat 8/23

7:00 pm-6:50 pm

2 stops31h 50m

Dunedin

Wed 8/27

1:05 pm-5:24 am

2 stops32h 19m

$2,514

Washington, D.C.Nelson

IAD - NSN

IADNSN

Washington, D.C. Dulles Intl

Sat 8/23

3:00 pm-4:50 pm

2 stops33h 50m

Nelson

Wed 8/27

1:00 pm-12:30 am

2 stops27h 30m

$2,514

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 18 results
1
2

Best time to book a flight from Dulles Intl to South Island

Have a flexible travel schedule? Discover the best time to fly to South Island from Dulles Intl 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to South Island

What is the cheapest time of day to fly from IAD to EDG?

Find hourly flight availability from Dulles Intl to South Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

When flying from Washington, D.C. Dulles Intl Airport to South Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing South Island

Get insights into the airlines that provide service to South Island. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to South Island. Reviews last updated July 3, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to South Island, such as Air New Zealand, Qantas Airways, and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very good
486 reviews

Food

7.3

Boarding

8.2

Entertainment

7.4

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

AKL - SFO

It was a United plane, the seating was too tight.
Air New Zealand
8.0
Very good
486 reviews
Air New Zealand
8.0
Very good
486 reviews

Food

7.3

Boarding

8.2

Entertainment

7.4

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

AKL - SFO

It was a United plane, the seating was too tight.
Qantas Airways
7.5
Good
868 reviews
Air New Zealand
8.0
Very good
486 reviews

Food

7.3

Boarding

8.2

Entertainment

7.4

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

AKL - SFO

It was a United plane, the seating was too tight.
United Airlines
7.4
Good
8,861 reviews
Air New Zealand
8.0
Very good
486 reviews

Food

7.3

Boarding

8.2

Entertainment

7.4

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

AKL - SFO

It was a United plane, the seating was too tight.
American Airlines
7.2
Good
10,000 reviews
Air New Zealand
8.0
Very good
486 reviews

Food

7.3

Boarding

8.2

Entertainment

7.4

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

AKL - SFO

It was a United plane, the seating was too tight.
Air Canada
7.1
Good
9,681 reviews
Air New Zealand
8.0
Very good
486 reviews

Food

7.3

Boarding

8.2

Entertainment

7.4

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

AKL - SFO

It was a United plane, the seating was too tight.

Related info for your journey

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

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to South Island one-way?

    The cheapest airline one-way is Qantas Airways, with whom users have recently found tickets for as low as $1,248. However, be on the lookout for offers from Air New Zealand and United Airlines, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to South Island for a low price.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to South Island?

    When deciding which route to take from Washington, D.C. Dulles Intl Airport to South Island consider Washington, D.C. Dulles Intl - Christchurch, Washington, D.C. Dulles Intl - Queenstown Intl or Washington, D.C. Dulles Intl - Blenheim as they are the most popular.

  • Can I find deals for flights from Dulles Intl to South Island that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to South Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to South Island?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to South Island.

  • Can I find deals for business class flights from Dulles Intl to South Island?

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

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to South Island?

    Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to South Island (average of $1,101). Flying from Washington, D.C. Dulles Intl Airport to South Island in December is currently the most expensive (average of $1,869). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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 Dulles Intl to South Island

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Auckland flights
Reagan-National to Auckland flights
Baltimore to Auckland flights
Reagan-National to Wellington flights
Dulles Intl to Wellington flights
Baltimore to Wellington flights
Dulles Intl to Christchurch flights
Reagan-National to Christchurch flights
Baltimore to Christchurch flights
Dulles Intl to Queenstown flights
Baltimore to Queenstown flights
Reagan-National to Queenstown flights
Dulles Intl to Nelson flights
Dulles Intl to Blenheim flights
Baltimore to Dunedin flights
Dulles Intl to Tauranga flights
Dulles Intl to Palmerston North flights
Reagan-National to Tauranga flights
Baltimore to Taupo flights
Dulles Intl to Taupo flights
Dulles Intl to Rotorua flights
Reagan-National to Dunedin flights
Dulles Intl to Napier flights
Dulles Intl to Dunedin flights
Baltimore to Napier flights
Reagan-National to Napier flights
Baltimore to Rotorua flights
Reagan-National to Rotorua flights
Dulles Intl to Hamilton flights
Reagan-National to Hamilton flights

Top 2 airlines flying from Dulles Intl to South Island

Discover the top 2 airlines that operate flights from Dulles Intl to South Island. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest$1,185Average$1,568FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$1,339Average$1,961FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.