What is the difference between the most popular and the most frequent airline at Newcastle?

United Airlines operates the most flights from the United States to Newcastle at 0 per week, while Qantas Airways is the airline most often selected by KAYAK users searching for flights from the United States to Newcastle. The two are often different because flight volume reflects an airline's schedule, while popularity reflects traveler choice.

Where can I fly from to get the cheapest fares to Newcastle?

Based on fares booked in the past 5 days, the cheapest flights to Newcastle are from: • New York, from $1,591 round-trip • Washington, D.C., from $2,220 round-trip

How do I know if a flight to Newcastle is a good deal?

A good deal on a flight to Newcastle is around $1,173 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

What are the most popular airlines flying to Newcastle?

Qantas Airways is the most popular airline flying to Newcastle on KAYAK, followed by United Airlines.

$1,493 CHEAP FLIGHTS to Newcastle in 2026/27

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$1,417

Typical prices: $1,173-$1,673

Multiple Airlines

Thu 11/1Thu 11/8

SEA - NTL • 2 stops

Top airlines

Qantas Airways

Best reviews • 7.5 score

Airline reviews

When to travel

November

Cheapest • 35% price drop

June

Most popular

Good to know

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Flight Deals

Cheap Flights to Newcastle

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

All Flight Deals

Recent round-trip flight deals to Newcastle

Sun, Nov 1 - Sun, Nov 8

3:15 pm - 4:25 pmSEA Seattle/Tacoma Intl-NTL Newcastle Williamtown

30h 10m2 stops Vancouver Intl Brisbane

5:00 pm - 9:32 amNTL Newcastle Williamtown-SEA Seattle/Tacoma Intl

35h 32m2 stops Brisbane Vancouver Intl

$1,417Multiple Airlines

Mon, Feb 8 - Fri, Feb 12

4:39 pm - 9:15 pmSEA Seattle/Tacoma Intl-NTL Newcastle Williamtown

33h 36m2 stops Los Angeles Los Angeles Brisbane

4:30 pm - 2:42 pmNTL Newcastle Williamtown-SEA Seattle/Tacoma Intl

41h 12m2 stops Brisbane Los Angeles Los Angeles

$1,493Qantas Airways

Sat, Feb 20 - Wed, Feb 24

2:38 pm - 9:15 pmJFK New York John F Kennedy Intl-NTL Newcastle Williamtown

38h 37m2 stops Dallas/Fort Worth Brisbane

6:30 am - 8:35 pmNTL Newcastle Williamtown-JFK New York John F Kennedy Intl

30h 05m2 stops Brisbane Dallas/Fort Worth

$1,591Qantas Airways

Sat, Feb 20 - Wed, Feb 24

2:38 pm - 9:15 pmJFK New York John F Kennedy Intl-NTL Newcastle Williamtown

38h 37m2 stops Dallas/Fort Worth Brisbane

6:30 am - 8:35 pmNTL Newcastle Williamtown-JFK New York John F Kennedy Intl

30h 05m2 stops Brisbane Dallas/Fort Worth

$1,592Qantas Airways

Sun, Feb 7 - Thu, Feb 11

9:40 am - 5:40 pmSFO San Francisco-NTL Newcastle Williamtown

37h 00m2 stops Singapore Changi Melbourne

12:20 pm - 7:50 amNTL Newcastle Williamtown-SFO San Francisco

38h 30m2 stops Melbourne Singapore Changi

$2,217Singapore Airlines

Sun, Feb 7 - Thu, Feb 11

9:40 am - 5:40 pmSFO San Francisco-NTL Newcastle Williamtown

37h 00m2 stops Singapore Changi Melbourne

12:20 pm - 7:50 amNTL Newcastle Williamtown-SFO San Francisco

38h 30m2 stops Melbourne Singapore Changi

$2,218Singapore Airlines

Sun, Nov 1 - Sun, Nov 8

6:20 pm - 5:40 pmIAD Washington, D.C. Dulles Intl-NTL Newcastle Williamtown

31h 20m2 stops San Francisco Melbourne

7:05 am - 4:08 pmNTL Newcastle Williamtown-IAD Washington, D.C. Dulles Intl

25h 03m2 stops Brisbane San Francisco

$2,220United Airlines

Sun, Nov 1 - Sun, Nov 8

12:50 pm - 5:40 pmDCA Washington, D.C. Reagan-National-NTL Newcastle Williamtown

36h 50m3 stops Houston George Bush Intcntl San Francisco Melbourne

7:05 am - 4:45 pmNTL Newcastle Williamtown-DCA Washington, D.C. Reagan-National

25h 40m2 stops Brisbane San Francisco

$2,220United Airlines

Sun, Feb 7 - Thu, Feb 11

11:05 pm - 11:30 amSFO San Francisco-NTL Newcastle Williamtown

17h 25m1 stop Brisbane

7:05 am - 6:30 amNTL Newcastle Williamtown-SFO San Francisco

18h 25m1 stop Brisbane

$2,277United Airlines

Sun, Feb 7 - Thu, Feb 11

11:05 pm - 11:30 amSFO San Francisco-NTL Newcastle Williamtown

17h 25m1 stop Brisbane

7:05 am - 6:30 amNTL Newcastle Williamtown-SFO San Francisco

18h 25m1 stop Brisbane

$2,278United Airlines

All round-trip flight deals to Newcastle

Sun, Nov 1 - Sun, Nov 8

3:15 pm - 4:25 pmSEA Seattle/Tacoma Intl-NTL Newcastle Williamtown

30h 10m2 stops Vancouver Intl Brisbane

5:00 pm - 9:32 amNTL Newcastle Williamtown-SEA Seattle/Tacoma Intl

35h 32m2 stops Brisbane Vancouver Intl

$1,417Multiple Airlines

Mon, Feb 8 - Fri, Feb 12

4:39 pm - 9:15 pmSEA Seattle/Tacoma Intl-NTL Newcastle Williamtown

33h 36m2 stops Los Angeles Los Angeles Brisbane

4:30 pm - 2:42 pmNTL Newcastle Williamtown-SEA Seattle/Tacoma Intl

41h 12m2 stops Brisbane Los Angeles Los Angeles

$1,493Qantas Airways

Sat, Feb 20 - Wed, Feb 24

2:38 pm - 9:15 pmJFK New York John F Kennedy Intl-NTL Newcastle Williamtown

38h 37m2 stops Dallas/Fort Worth Brisbane

6:30 am - 8:35 pmNTL Newcastle Williamtown-JFK New York John F Kennedy Intl

30h 05m2 stops Brisbane Dallas/Fort Worth

$1,591Qantas Airways

Sat, Feb 20 - Wed, Feb 24

2:38 pm - 9:15 pmJFK New York John F Kennedy Intl-NTL Newcastle Williamtown

38h 37m2 stops Dallas/Fort Worth Brisbane

6:30 am - 8:35 pmNTL Newcastle Williamtown-JFK New York John F Kennedy Intl

30h 05m2 stops Brisbane Dallas/Fort Worth

$1,592Qantas Airways

Sun, Feb 7 - Thu, Feb 11

9:40 am - 5:40 pmSFO San Francisco-NTL Newcastle Williamtown

37h 00m2 stops Singapore Changi Melbourne

12:20 pm - 7:50 amNTL Newcastle Williamtown-SFO San Francisco

38h 30m2 stops Melbourne Singapore Changi

$2,217Singapore Airlines

Sun, Feb 7 - Thu, Feb 11

9:40 am - 5:40 pmSFO San Francisco-NTL Newcastle Williamtown

37h 00m2 stops Singapore Changi Melbourne

12:20 pm - 7:50 amNTL Newcastle Williamtown-SFO San Francisco

38h 30m2 stops Melbourne Singapore Changi

$2,218Singapore Airlines

Sun, Nov 1 - Sun, Nov 8

6:20 pm - 5:40 pmIAD Washington, D.C. Dulles Intl-NTL Newcastle Williamtown

31h 20m2 stops San Francisco Melbourne

7:05 am - 4:08 pmNTL Newcastle Williamtown-IAD Washington, D.C. Dulles Intl

25h 03m2 stops Brisbane San Francisco

$2,220United Airlines

Sun, Nov 1 - Sun, Nov 8

12:50 pm - 5:40 pmDCA Washington, D.C. Reagan-National-NTL Newcastle Williamtown

36h 50m3 stops Houston George Bush Intcntl San Francisco Melbourne

7:05 am - 4:45 pmNTL Newcastle Williamtown-DCA Washington, D.C. Reagan-National

25h 40m2 stops Brisbane San Francisco

$2,220United Airlines

Sun, Feb 7 - Thu, Feb 11

11:05 pm - 11:30 amSFO San Francisco-NTL Newcastle Williamtown

17h 25m1 stop Brisbane

7:05 am - 6:30 amNTL Newcastle Williamtown-SFO San Francisco

18h 25m1 stop Brisbane

$2,277United Airlines

Sun, Feb 7 - Thu, Feb 11

11:05 pm - 11:30 amSFO San Francisco-NTL Newcastle Williamtown

17h 25m1 stop Brisbane

7:05 am - 6:30 amNTL Newcastle Williamtown-SFO San Francisco

18h 25m1 stop Brisbane

$2,278United Airlines

Booking Insights

Price, demand and travel trends for United States to Newcastle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from the United States to Newcastle with more confidence.

Prices

Airlines

What is the cheapest time of day to fly to Newcastle?

Night flights to Newcastle are the cheapest at $1,173 round-trip on average. Evening flights are the most expensive at $1,794.

Find deals

Low season	January
High season	June
Cheapest flight	$1,417

Flight from Seattle to Newcastle

When to book flights to Newcastle

Are your dates flexible? Find out the best times to travel to Newcastle based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. The information is for flights to Newcastle based on your location. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

How do I know if a flight to Newcastle is a good deal?
A good deal on a flight to Newcastle is around $1,173 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.
Where can I fly from to get the cheapest fares to Newcastle?
Based on fares booked in the past 5 days, the cheapest flights to Newcastle are from:
• New York, from $1,591 round-trip
• Washington, D.C., from $2,220 round-trip
What is the difference between the most popular and the most frequent airline at Newcastle?
United Airlines operates the most flights from the United States to Newcastle at 0 per week, while Qantas Airways is the airline most often selected by KAYAK users searching for flights from the United States to Newcastle. The two are often different because flight volume reflects an airline's schedule, while popularity reflects traveler choice.

For flights to Newcastle, recent KAYAK data shows that stronger deals tend to land around $1,173 round-trip. If you see a fare below that threshold, it's a strong deal – book before the price climbs back up.
If you can choose when to go, time your trip to Newcastle around November. Round-trip fares historically average $1,084 that month – typically the cheapest month to travel based on the last 12 months.
Before you book:

• Check the route's typical price range so you can spot a deal.
• Confirm baggage fees and seat-selection costs on budget carriers.
• Verify whether you need any travel documents beyond ID.
• Pick a departure airport, since your nearest may not be the cheapest origin.
Shift your departure to evening to save up to $621 per round-trip. Evening flights to Newcastle average $1,173 compared to $1,794 for afternoon flights. See the time-of-day chart above for the full breakdown.