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$748+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CHC
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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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 August 21, 2025.

Round-trip from

$1,266
(Air Canada)

One-way from

$748
(Kiwi.com)

Popular in

December

Cheapest in

May
From Washington, D.C. Dulles Intl to South Island
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One-way flight from Washington, D.C. Dulles Intl to South Island
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Highest demand for flights based on searches. 12% potential increase in price ($208 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($99 potential savings vs. average RT price).
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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 August 21, 2025.

This Fiji Airways deal was found by Cheapflights users on 8/20. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/45:40 pmIAD - CHC
2 stops26h 25mMultiple Airlines
Sat 10/112:05 pmCHC - IAD
2 stops25h 46mMultiple Airlines
Deal found 8/20$1,371
This Booking.com deal was found by Cheapflights users on 8/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/291:20 pmIAD - ZQN
3 stops33h 15mAir Canada
Wed 12/1710:35 amZQN - IAD
3 stops28h 24mAir Canada
Deal found 8/21$1,541
This Air Canada deal was found by Cheapflights users on 8/20. 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.
Wed 10/299:00 amIAD - CHC
3 stops45h 05mAir Canada
Wed 11/126:10 amCHC - IAD
3 stops32h 19mAir Canada
Deal found 8/20$1,581
This oojo deal was found by Cheapflights users on 8/20. 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 11/412:35 pmIAD - CHC
2 stops28h 50mAir New Zealand
Tue 12/166:10 amCHC - IAD
2 stops28h 15mAir New Zealand
Deal found 8/20$1,643
This oojo deal was found by Cheapflights users on 8/20. 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.
Wed 10/2912:35 pmIAD - CHC
2 stops27h 30mAir New Zealand
Wed 11/124:00 pmCHC - IAD
2 stops23h 25mAir New Zealand
Deal found 8/20$1,705
This KAYAK deal was found by Cheapflights users on 8/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:00 amIAD - CHC
2 stops35h 25mAir New Zealand
Sat 11/293:05 pmCHC - IAD
2 stops33h 36mAir New Zealand
Deal found 8/21$1,722
This oojo deal was found by Cheapflights users on 8/20. 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.
Thu 10/912:50 pmIAD - CHC
2 stops27h 35mAir New Zealand
Sat 10/186:35 amCHC - IAD
2 stops29h 17mAir New Zealand
Deal found 8/20$1,738
This Air Canada deal was found by Cheapflights users on 8/21. 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.
Sun 11/239:00 amIAD - ZQN
3 stops40h 55mMultiple Airlines
Wed 12/38:50 pmZQN - IAD
3 stops41h 39mMultiple Airlines
Deal found 8/21$1,745
This Priceline deal was found by Cheapflights users on 8/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/225:03 pmIAD - ZQN
2 stops28h 32mQantas Airways
Wed 12/177:00 amZQN - IAD
2 stops33h 14mQantas Airways
Deal found 8/21$1,761
This oojo deal was found by Cheapflights users on 8/21. 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.
Sun 10/1210:14 pmIAD - CHC
2 stops41h 41mAir New Zealand
Sun 10/199:00 pmCHC - IAD
2 stops44h 45mAir New Zealand
Deal found 8/21$1,769
This FlightHub deal was found by Cheapflights users on 8/20. 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.
Fri 10/106:58 pmIAD - CHC
2 stops35h 07mAir New Zealand
Fri 10/174:00 pmCHC - IAD
2 stops24h 51mAir New Zealand
Deal found 8/20$1,771
This oojo deal was found by Cheapflights users on 8/21. 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.
Sun 11/2310:10 pmIAD - ZQN
2 stops41h 40mAir New Zealand
Wed 12/38:25 pmZQN - IAD
2 stops38h 00mAir New Zealand
Deal found 8/21$1,801

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 August 21, 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

Sat 10/4

5:40 pm-1:05 pm

2 stops26h 25m

Christchurch

Sat 10/11

2:05 pm-10:51 pm

2 stops25h 46m

$1,371

Washington, D.C.Christchurch

IAD - CHC

IADCHC

Washington, D.C. Dulles Intl

Wed 10/29

9:00 am-11:05 pm

3 stops45h 05m

Christchurch

Wed 11/12

6:10 am-8:29 pm

3 stops32h 19m

$1,581

Washington, D.C.Christchurch

IAD - CHC

IADCHC

Washington, D.C. Dulles Intl

Tue 11/4

12:35 pm-11:25 am

2 stops28h 50m

Christchurch

Tue 12/16

6:10 am-4:25 pm

2 stops28h 15m

$1,643

Washington, D.C.Christchurch

IAD - CHC

IADCHC

Washington, D.C. Dulles Intl

Wed 10/29

12:35 pm-9:05 am

2 stops27h 30m

Christchurch

Wed 11/12

4:00 pm-9:25 pm

2 stops23h 25m

$1,705

Washington, D.C.Christchurch

IAD - CHC

IADCHC

Washington, D.C. Dulles Intl

Thu 10/9

12:50 pm-9:25 am

2 stops27h 35m

Christchurch

Sat 10/18

6:35 am-6:52 pm

2 stops29h 17m

$1,738

Washington, D.C.Christchurch

IAD - CHC

IADCHC

Washington, D.C. Dulles Intl

Sun 10/12

10:14 pm-8:55 am

2 stops41h 41m

Christchurch

Sun 10/19

9:00 pm-12:45 am

2 stops44h 45m

$1,769

Washington, D.C.Christchurch

IAD - CHC

IADCHC

Washington, D.C. Dulles Intl

Fri 10/10

6:58 pm-11:05 pm

2 stops35h 07m

Christchurch

Fri 10/17

4:00 pm-11:51 pm

2 stops24h 51m

$1,771

Washington, D.C.Queenstown

IAD - ZQN

IADZQN

Washington, D.C. Dulles Intl

Wed 9/3

5:40 pm-2:30 pm

2 stops28h 50m

Queenstown Intl

Tue 9/9

7:05 am-10:45 pm

2 stops31h 40m

$1,872

Washington, D.C.Queenstown

IAD - ZQN

IADZQN

Washington, D.C. Dulles Intl

Sat 10/11

10:18 pm-2:20 pm

2 stops47h 02m

Queenstown Intl

Sat 10/18

6:20 pm-7:02 am

2 stops53h 42m

$1,877

Washington, D.C.Queenstown

IAD - ZQN

IADZQN

Washington, D.C. Dulles Intl

Sat 10/11

2:25 pm-3:40 pm

3 stops32h 15m

Queenstown Intl

Sat 10/18

7:05 am-9:25 pm

3 stops31h 20m

$2,210

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 31 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

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 August 21, 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 August 21, 2025.
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
504 reviews

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.4

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
504 reviews
Air New Zealand
8.0
Very good
504 reviews

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.4

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.
United Airlines
7.4
Good
8,930 reviews
Air New Zealand
8.0
Very good
504 reviews

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.4

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

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 28h 50m. Air Canada provides one of the quickest options available for as low as $1,643. 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 - 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

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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 August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest$1,185Average$1,706FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$1,339Average$1,961FlexibilityNo cancel feeOn-time69%

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