Cheap flights from South Island to Washington, D.C. Dulles Intl Airport from $1,396
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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
Find flight deals from South Island to Dulles Intl
Cheapest flights from South Island to Dulles IntlExplore the most affordable flight options available from South Island to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 October 2025.
Explore the most affordable flight options available from South Island to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 October 2025.
Cheap flight deals from South Island to Dulles Intl
Keep the following information in mind while searching for South Island to Dulles Intl flight deals. Data was last updated 12 October 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from South Island to Washington, D.C. Dulles Intl Airport that are best for you.
Fly from
Fly to
Route
Departure
Return
Price
ChristchurchWashington, D.C.
CHC - IAD
CHCIAD
Christchurch
Fri 6/3
14:15-21:05
2 stops24h 50m
Washington, D.C. Dulles Intl
Tue 10/3
22:30-09:35
2 stops42h 05m
ChristchurchWashington, D.C.
CHC - IAD
CHCIAD
Christchurch
Thu 15/1
13:00-20:54
2 stops25h 54m
Washington, D.C. Dulles Intl
Sat 31/1
18:45-10:35
2 stops45h 50m
ChristchurchWashington, D.C.
CHC - IAD
CHCIAD
Christchurch
Mon 12/1
20:10-20:54
2 stops42h 44m
Washington, D.C. Dulles Intl
Sat 31/1
15:19-09:05
2 stops23h 46m
ChristchurchWashington, D.C.
CHC - IAD
CHCIAD
Christchurch
Tue 23/12
14:15-20:55
1 stop24h 40m
Washington, D.C. Dulles Intl
Tue 30/12
22:10-10:35
2 stops42h 25m
ChristchurchWashington, D.C.
CHC - IAD
CHCIAD
Christchurch
Mon 12/1
06:10-20:29
3 stops32h 19m
Washington, D.C. Dulles Intl
Sat 31/1
12:35-23:55
3 stops41h 20m
ChristchurchWashington, D.C.
CHC - IAD
CHCIAD
Christchurch
Tue 23/12
14:15-01:07
1 stop28h 52m
Washington, D.C. Dulles Intl
Tue 30/12
22:05-10:35
1 stop42h 30m
ChristchurchWashington, D.C.
CHC - IAD
CHCIAD
Christchurch
Tue 6/1
06:05-21:17
2 stops33h 12m
ChristchurchWashington, D.C.
CHC - IAD
CHCIAD
Christchurch
Tue 6/1
17:00-09:54
3 stops58h 54m
ChristchurchWashington, D.C.
CHC - IAD
CHCIAD
Christchurch
Tue 6/1
14:15-16:30
1 stop20h 15m
Best time to book a flight from South Island to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from South Island with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from South Island to Washington, D.C. Dulles Intl Airport
What is the cheapest time of day to fly from EDG to IAD?
Find hourly flight availability from South Island to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 October 2025.
One of the essential ways to save on airfare from South Island to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at midday could potentially save you up to 14% on airfare.
Related info for your journey
Find useful and relevant information for your journey from South Island to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for South Island to Dulles Intl
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How does Cheapflights help users find flights from South Island to Dulles Intl?
When you search for this flight from South Island to Dulles Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from South Island to Dulles Intl?
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Can Cheapflights find flights from South Island to Dulles Intl with no change fees?
Yes, we can. To see specific flights from South Island to Dulles Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from South Island to Dulles Intl become cheaper?
Yes, Cheapflights offers price alerts on South Island to Dulles Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.