Cheap Flights from Portsmouth (PSM) to Karratha (KTA)

Popular airlines from Portsmouth, NH (PSM-Portsmouth Intl.) to Karratha, WA (KTA)

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Frequently asked questions

How much does a flight from Portsmouth Intl. Airport (PSM) to Karratha Airport (KTA) cost?
Grab a cheap one-way flight or cheap return flight from Portsmouth Intl. Airport (PSM) to Karratha Airport (KTA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Portsmouth Intl. Airport (PSM) to Karratha Airport (KTA)?
Traveling in may help you find better deals, as it's the cheapest month for flights between PSM and KTA. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Portsmouth Intl. Airport (PSM) to Karratha Airport (KTA)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from PSM to KTA. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Portsmouth Intl. Airport (PSM) to Karratha Airport (KTA)?
Nonstop flights from Portsmouth Intl. Airport (PSM) to Karratha Airport (KTA) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PSM to KTA?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portsmouth Intl. Airport (PSM) to Karratha Airport (KTA)?
To reach Karratha Airport (KTA) without delays, choose a flight that leaves from Portsmouth Intl. Airport (PSM) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Portsmouth Intl. Airport (PSM) to Karratha Airport (KTA) last-minute?
Booking your flight from PSM to KTA right before your journey is typically more expensive. But if there's some wiggle room with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a PSM to KTA flight and hotel package?
You'll generally save money by booking a PSM to KTA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've chosen your ideal flights and accommodations, consider other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Portsmouth Intl. Airport (PSM) to Karratha Airport (KTA)?
If you booked your PSM to KTA flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Origin airport
Portsmouth Intl.
Destination airport
Karratha
Distance
10829 mi

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Portsmouth to Karratha Flights

The cheapest times to fly from Portsmouth to Karratha

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portsmouth to Karratha are during the month of . You can find some of the cheapest flights from Portsmouth to Karratha with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portsmouth to Karratha

Sunday is one of the best days to book for cheap flights from Portsmouth to Karratha: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portsmouth to Karratha

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portsmouth to Karratha in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portsmouth to Karratha flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portsmouth to Karratha airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Portsmouth to Karratha Flights

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*Available to One Key members.