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$842+ 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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CHC
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
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 January 21, 2026.

This Mytrip deal was found by Cheapflights users on 1/19. 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.
Tue 2/179:45 am
IAD
-
CHC
3 stops33h 25m
Multiple Airlines
Tue 2/2410:30 am
CHC
-
IAD
3 stops28h 24m
Multiple Airlines
Deal found 1/19$1,546
This oojo deal was found by Cheapflights users on 1/19. 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 2/175:37 pm
IAD
-
CHC
2 stops36h 48m
Qantas Airways
Tue 3/36:20 am
CHC
-
IAD
2 stops28h 11m
Qantas Airways
Deal found 1/19$1,548
This oojo deal was found by Cheapflights users on 1/19. 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.
Fri 10/161:00 pm
IAD
-
CHC
2 stops27h 25m
Air New Zealand
Mon 10/266:10 am
CHC
-
IAD
2 stops27h 03m
Air New Zealand
Deal found 1/19$1,555
This Air Canada deal was found by Cheapflights users on 1/19. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:33 pm
IAD
-
CHC
3 stops40h 32m
Multiple Airlines
Thu 3/126:10 am
CHC
-
IAD
3 stops31h 16m
Multiple Airlines
Deal found 1/19$1,559
This oojo deal was found by Cheapflights users on 1/19. 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 2/175:37 pm
IAD
-
CHC
2 stops36h 48m
Qantas Airways
Tue 2/246:20 am
CHC
-
IAD
2 stops28h 11m
Qantas Airways
Deal found 1/19$1,625
This Air Canada deal was found by Cheapflights users on 1/21. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/712:33 pm
IAD
-
CHC
3 stops40h 32m
Multiple Airlines
Sat 3/146:05 am
CHC
-
IAD
3 stops31h 21m
Multiple Airlines
Deal found 1/21$1,636
This oojo deal was found by Cheapflights users on 1/19. 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.
Sat 3/2810:10 pm
IAD
-
CHC
2 stops43h 15m
Air New Zealand
Wed 4/86:30 am
CHC
-
IAD
2 stops25h 55m
Air New Zealand
Deal found 1/19$1,664
This Air Canada deal was found by Cheapflights users on 1/21. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/79:00 am
IAD
-
ZQN
3 stops40h 55m
Multiple Airlines
Sat 3/148:50 pm
ZQN
-
IAD
3 stops40h 36m
Multiple Airlines
Deal found 1/21$1,706
This oojo deal was found by Cheapflights users on 1/19. 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 2/245:37 pm
IAD
-
CHC
2 stops36h 48m
Qantas Airways
Mon 3/233:55 pm
CHC
-
IAD
2 stops41h 36m
Qantas Airways
Deal found 1/19$1,717
This oojo deal was found by Cheapflights users on 1/21. 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.
Sat 3/75:37 pm
IAD
-
CHC
2 stops36h 48m
Qantas Airways
Sat 3/146:20 am
CHC
-
IAD
2 stops33h 33m
Qantas Airways
Deal found 1/21$1,725
This Qantas Airways deal was found by Cheapflights users on 1/19. 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.
Wed 3/115:52 pm
IAD
-
CHC
2 stops37h 33m
Qantas Airways
Fri 3/206:20 am
CHC
-
IAD
2 stops27h 30m
Qantas Airways
Deal found 1/19$1,729
This FlightHub deal was found by Cheapflights users on 1/18. 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.
Wed 10/711:41 am
IAD
-
ZQN
2 stops40h 34m
Qantas Airways
Mon 10/197:00 am
ZQN
-
IAD
2 stops32h 24m
Qantas Airways
Deal found 1/18$1,819

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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,546
(Mytrip)

One-way from

$842
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$1,345
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
One-way flight from Washington, D.C. Dulles Intl to South Island
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($407 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 14% potential price decrease ($197 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 21, 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.Christchurch

IAD - CHC

IADCHC

Washington, D.C. Dulles Intl

Tue 2/17

9:45 am-1:10 pm

3 stops33h 25m

Christchurch

Tue 2/24

10:30 am-8:54 pm

3 stops28h 24m

$1,546

Washington, D.C.Christchurch

IAD - CHC

IADCHC

Washington, D.C. Dulles Intl

Tue 2/17

5:37 pm-12:25 am

2 stops36h 48m

Christchurch

Tue 3/3

6:20 am-4:31 pm

2 stops28h 11m

$1,548

Washington, D.C.Christchurch

IAD - CHC

IADCHC

Washington, D.C. Dulles Intl

Thu 3/5

12:33 pm-11:05 pm

3 stops40h 32m

Christchurch

Thu 3/12

6:10 am-8:26 pm

3 stops31h 16m

$1,559

Washington, D.C.Christchurch

IAD - CHC

IADCHC

Washington, D.C. Dulles Intl

Tue 2/17

5:37 pm-12:25 am

2 stops36h 48m

Christchurch

Tue 2/24

6:20 am-4:31 pm

2 stops28h 11m

$1,625

Washington, D.C.Christchurch

IAD - CHC

IADCHC

Washington, D.C. Dulles Intl

Sat 3/7

12:33 pm-11:05 pm

3 stops40h 32m

Christchurch

Sat 3/14

6:05 am-8:26 pm

3 stops31h 21m

$1,636

Washington, D.C.Christchurch

IAD - CHC

IADCHC

Washington, D.C. Dulles Intl

Sat 3/28

10:10 pm-8:30 pm

2 stops53h 20m

Christchurch

Wed 4/8

6:30 am-4:25 pm

2 stops25h 55m

$1,664

Washington, D.C.Queenstown

IAD - ZQN

IADZQN

Washington, D.C. Dulles Intl

Sat 3/7

9:00 am-7:55 pm

3 stops40h 55m

Queenstown Intl

Sat 3/14

8:50 pm-8:26 pm

3 stops40h 36m

$1,706

Washington, D.C.Christchurch

IAD - CHC

IADCHC

Washington, D.C. Dulles Intl

Sat 3/7

5:37 pm-12:25 am

2 stops36h 48m

Christchurch

Sat 3/14

6:20 am-10:53 pm

2 stops33h 33m

$1,725

Washington, D.C.Christchurch

IAD - CHC

IADCHC

Washington, D.C. Dulles Intl

Wed 3/11

5:52 pm-12:25 am

2 stops37h 33m

Christchurch

Fri 3/20

6:20 am-4:50 pm

2 stops27h 30m

$1,729

Washington, D.C.Christchurch

IAD - CHC

IADCHC

Washington, D.C. Dulles Intl

Thu 3/12

12:35 pm-9:05 am

2 stops27h 30m

Christchurch

Mon 3/23

8:05 pm-12:28 am

2 stops45h 23m

$1,813

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 34 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 January 21, 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
572 reviews

Crew

8.5

Food

7.4

Entertainment

7.4

Boarding

8.2

Comfort

8.0

Overall

8.0

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
572 reviews
Air New Zealand
8.0
Very good
572 reviews

Crew

8.5

Food

7.4

Entertainment

7.4

Boarding

8.2

Comfort

8.0

Overall

8.0

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
9,189 reviews
Air New Zealand
8.0
Very good
572 reviews

Crew

8.5

Food

7.4

Entertainment

7.4

Boarding

8.2

Comfort

8.0

Overall

8.0

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 26h. Qantas Airways provides one of the quickest options available for as low as $1,993. Airlines will cover a distance of 9100 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 - Christchurch, Washington, D.C. Dulles Intl - Queenstown Intl or Washington, D.C. Dulles Intl - Dunedin 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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Alternative routes for Dulles Intl to South Island

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest$1,275Average$2,194FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$1,841Average$2,061FlexibilityNo cancel feeOn-time69%

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