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Find cheap Delta flights to Sydney

RDU — SYD
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Find Delta flight deals to Sydney

Cheapest Delta flights from USA to Sydney
Explore the most affordable Delta flight options available from USA to Sydney. Find the lowest fares with prices last updated on July 27, 2026.

This Delta deal was found by Cheapflights users on 7/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2710:55 pm
LAX
-
SYD
Nonstop14h 55m
Delta
Mon 8/109:15 am
SYD
-
LAX
Nonstop13h 50m
Delta
Deal found 7/26$979
This Delta deal was found by Cheapflights users on 7/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:00 pm
LAX
-
SYD
Nonstop14h 50m
Delta
Tue 8/189:15 am
SYD
-
LAX
Nonstop13h 50m
Delta
Deal found 7/24$981
This Delta deal was found by Cheapflights users on 7/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2810:55 pm
LAX
-
SYD
Nonstop14h 55m
Delta
Wed 12/910:40 am
SYD
-
LAX
Nonstop14h 00m
Delta
Deal found 7/24$1,006

Flights to Sydney with Delta at a glance

Find detailed information about Delta flights from USA to Sydney. Explore the options provided by Delta to plan your journey from USA to Sydney. Data last updated July 27, 2026.

Popular in

December

Cheapest in

August

Average price

$1,235

Round-trip from

$980

One-way from

$517
Highest demand for flights to Sydney with Delta; 5% potential price increase.
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Best time to find cheap flights to Sydney with Delta; 2% potential price drop.
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Average price for flights to Sydney with Delta (round-trip).
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Delta
  • Delta
  • 9/29-10/12
  • Nonstop
  • 28h 40m total
  • USA to Sydney
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Delta
  • Delta
  • 9/20
  • Nonstop
  • 14h 55m total
  • USA to Sydney
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Cheapflights Insights

Find cheap Delta flights to Sydney

How long is the flight to Sydney with Delta?

On average, Delta flights from the United States to Sydney take 17 hours 7 minutes. Flights to Sydney from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.

Delta weekly flight availability to Sydney

The most flights to Sydney operated by Delta are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

When is the best time to book a flight to Sydney with Delta?

The best time to book a flight to Sydney with Delta is 85 days before departure. On average, fares are higher if you book 83 days before departure.

FAQs about flights to Sydney with Delta

  • Which airport do Delta flights arrive at when travelling to Sydney?

    Delta flights on this route tend to land at Sydney Kingsford Smith Airport.

  • Is Delta the cheapest airline for a flight to Sydney?

    Flight prices will depend on many factors like date, time and cabin class so it is worth comparing flights before booking. Based on Cheapflights data the cheapest average return price for flights to Sydney tends to be with Frontier.

  • Are there alternative airlines other than Delta that fly to Sydney?

    Qantas Airways, United Airlines and American Airlines all fly to Sydney and offer an alternative to Delta.

  • How much is a flight to Sydney with Delta?

    The average price for a return flight with Delta is $1,330; with a one-way flight around $872.

See more FAQs

Reviews of Delta

See what Cheapflights users have to say about their Delta experience.
Delta
7.8
Good
8,485 reviews
Overview

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.2

Popular Delta flights

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