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$1,431+ Cheap flights from Dulles Intl (IAD) to South Island

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CHC
mar. 11 — mar. 181
mié. 3/11
mié. 3/18
1 adult, Economy
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Cheap 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 febrero 9, 2026.

This Booking.com deal was found by Cheapflights users on 2/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/249:00 am
IAD
-
CHC
3 stops45h 05m
Air Canada
mar. 3/316:30 am
CHC
-
IAD
3 stops31h 55m
Air Canada
Deal found 2/7$1,431
This Mytrip deal was found by Cheapflights users on 2/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/1512:49 pm
IAD
-
ZQN
3 stops34h 46m
Multiple Airlines
dom. 5/244:30 pm
ZQN
-
IAD
3 stops35h 19m
Multiple Airlines
Deal found 2/9$1,524
This FlightHub deal was found by Cheapflights users on 2/8. 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.
mié. 11/115:03 pm
IAD
-
CHC
2 stops27h 52m
Qantas Airways
jue. 11/196:20 am
CHC
-
IAD
2 stops27h 51m
Qantas Airways
Deal found 2/8$1,528
This oojo deal was found by Cheapflights users on 2/6. 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.
vie. 10/162:36 pm
IAD
-
CHC
2 stops27h 49m
Air New Zealand
lun. 10/266:10 am
CHC
-
IAD
2 stops27h 03m
Air New Zealand
Deal found 2/6$1,550
This BusinessClass deal was found by Cheapflights users on 2/7. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/65:55 pm
IAD
-
CHC
2 stops28h 25m
Air New Zealand
dom. 9/139:00 pm
CHC
-
IAD
2 stops41h 36m
Air New Zealand
Deal found 2/7$1,557
This FlightHub deal was found by Cheapflights users on 2/6. 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.
mar. 2/175:37 pm
IAD
-
CHC
2 stops27h 18m
Qantas Airways
mar. 3/36:20 am
CHC
-
IAD
2 stops28h 11m
Qantas Airways
Deal found 2/6$1,642
This FlightHub deal was found by Cheapflights users on 2/5. 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.
sáb. 11/75:03 pm
IAD
-
CHC
2 stops37h 22m
Qantas Airways
sáb. 11/213:55 pm
CHC
-
IAD
2 stops42h 16m
Qantas Airways
Deal found 2/5$1,679
This Mytrip deal was found by Cheapflights users on 2/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/79:00 am
IAD
-
CHC
3 stops34h 10m
Multiple Airlines
sáb. 11/212:10 pm
CHC
-
IAD
3 stops42h 45m
Multiple Airlines
Deal found 2/5$1,688
This Expedia deal was found by Cheapflights users on 2/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/115:03 pm
IAD
-
CHC
2 stops27h 52m
Multiple Airlines
jue. 11/196:10 am
CHC
-
IAD
3 stops32h 16m
Multiple Airlines
Deal found 2/8$1,689
This FlightHub deal was found by Cheapflights users on 2/7. 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.
vie. 10/1611:41 am
IAD
-
CHC
2 stops34h 44m
Qantas Airways
lun. 10/266:05 am
CHC
-
IAD
2 stops33h 19m
Qantas Airways
Deal found 2/7$1,772
This Qantas Airways deal was found by Cheapflights users on 2/5. 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.
sáb. 2/285:37 pm
IAD
-
CHC
2 stops36h 48m
Qantas Airways
mié. 3/43:55 pm
CHC
-
IAD
2 stops42h 55m
Qantas Airways
Deal found 2/5$1,780
This FlightHub deal was found by Cheapflights users on 2/7. 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.
sáb. 5/165:59 pm
IAD
-
ZQN
2 stops28h 31m
Qantas Airways
dom. 5/247:00 am
ZQN
-
IAD
2 stops27h 31m
Qantas Airways
Deal found 2/7$1,802

Find 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 febrero 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,431
(Booking.com)

Popular in

December

Cheapest in

April

Average price

$1,531
Provider with most accurate pricing for Washington, D.C. (WAS)-Christchurch flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Christchurch flights.
Search Deals
From Washington, D.C. Dulles Intl to South Island
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($322 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($188 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 febrero 9, 2026.
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.Queenstown

IAD - ZQN

IADZQN

Washington, D.C. Dulles Intl

vie. 5/15

12:49 pm-3:35 pm

3 stops34h 46m

Queenstown Intl

dom. 5/24

4:30 pm-11:49 am

3 stops35h 19m

$1,524

Washington, D.C.Christchurch

IAD - CHC

IADCHC

Washington, D.C. Dulles Intl

sáb. 2/28

5:37 pm-2:55 pm

2 stops27h 18m

Christchurch

jue. 3/5

6:20 am-4:50 pm

2 stops28h 30m

$1,678

Washington, D.C.Christchurch

IAD - CHC

IADCHC

Washington, D.C. Dulles Intl

sáb. 2/28

5:37 pm-12:25 am

2 stops36h 48m

Christchurch

mié. 3/4

3:55 pm-4:50 pm

2 stops42h 55m

$1,780

Washington, D.C.Queenstown

IAD - ZQN

IADZQN

Washington, D.C. Dulles Intl

sáb. 5/16

5:59 pm-2:30 pm

2 stops28h 31m

Queenstown Intl

dom. 5/24

7:00 am-6:31 pm

2 stops27h 31m

$1,802

Washington, D.C.Queenstown

IAD - ZQN

IADZQN

Washington, D.C. Dulles Intl

vie. 5/15

5:59 pm-2:30 pm

2 stops28h 31m

Queenstown Intl

dom. 5/24

7:00 am-6:31 pm

2 stops27h 31m

$1,807

Washington, D.C.Queenstown

IAD - ZQN

IADZQN

Washington, D.C. Dulles Intl

sáb. 5/16

4:10 pm-4:45 pm

3 stops32h 35m

Queenstown Intl

dom. 5/24

8:50 pm-6:22 am

2 stops49h 32m

$1,850

Washington, D.C.Queenstown

IAD - ZQN

IADZQN

Washington, D.C. Dulles Intl

sáb. 3/7

5:37 pm-3:35 pm

2 stops27h 58m

Queenstown Intl

sáb. 3/14

7:00 am-10:53 pm

2 stops32h 53m

$1,890

Washington, D.C.Dunedin

IAD - DUD

IADDUD

Washington, D.C. Dulles Intl

mié. 6/10

12:58 pm-6:50 pm

2 stops37h 52m

Dunedin

mié. 6/24

3:10 pm-5:23 am

2 stops30h 13m

$1,898

Washington, D.C.Dunedin

IAD - DUD

IADDUD

Washington, D.C. Dulles Intl

lun. 4/20

5:55 pm-2:25 pm

2 stops28h 30m

Dunedin

mié. 4/29

3:10 pm-10:44 pm

2 stops23h 34m

$1,906

Washington, D.C.Queenstown

IAD - ZQN

IADZQN

Washington, D.C. Dulles Intl

sáb. 2/28

5:37 pm-3:35 pm

2 stops27h 58m

Queenstown Intl

mié. 3/4

4:30 pm-10:53 pm

2 stops48h 23m

$1,958

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Showing 1-10 of 26 results
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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
No data available for this route at this time. Please check back soon.

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 febrero 9, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to South Island, such as Air New Zealand 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
582 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.4

Food

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Air New Zealand
8.0
Very good
582 reviews
Air New Zealand
8.0
Very good
582 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.4

Food

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
United Airlines
7.4
Good
9,259 reviews
Air New Zealand
8.0
Very good
582 reviews

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.4

Food

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane

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.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to South Island?

    A quick flight from Washington, D.C. Dulles Intl Airport to South Island can take about 27h 18m. Qantas Airways provides one of the quickest options available for as low as $1,678. Airlines will cover a distance of 8889 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 - Dunedin, Washington, D.C. Dulles Intl - Queenstown Intl or Washington, D.C. Dulles Intl - Christchurch 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.

See more FAQs

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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 febrero 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest$1,275Average$2,140FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$1,866Average$2,061FlexibilityNo cancel feeOn-time69%

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