Cheap Flights from Portsmouth (PSM) to Cheongju (CJJ)

Popular airlines from Portsmouth, NH (PSM-Portsmouth Intl.) to Cheongju (CJJ-Cheongju Intl.)

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Frequently asked questions

How much does a flight from Portsmouth Intl. Airport (PSM) to Cheongju Intl. Airport (CJJ) cost?
Lock in a cheap one-way flight or cheap return flight from Portsmouth Intl. Airport (PSM) to Cheongju Intl. Airport (CJJ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Portsmouth Intl. Airport (PSM) to Cheongju Intl. Airport (CJJ)?
is the least expensive month to fly from PSM to CJJ. Avoiding peak travel times is often the key to finding a great deal.
What is the cheapest airline that flies from Portsmouth Intl. Airport (PSM) to Cheongju Intl. Airport (CJJ)?
To find the cheapest airline flying from PSM to CJJ, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Portsmouth Intl. Airport (PSM) to Cheongju Intl. Airport (CJJ)?
Direct flights from Portsmouth Intl. Airport (PSM) to Cheongju Intl. Airport (CJJ) 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 choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PSM to CJJ?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*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 Cheongju Intl. Airport (CJJ)?
To arrive at Cheongju Intl. Airport (CJJ) on time, opt for a flight that takes off from Portsmouth Intl. Airport (PSM) before 3 PM. The chance 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 Cheongju Intl. Airport (CJJ) last-minute?
Last-minute bookings from PSM to CJJ are typically more expensive. To lock in the lowest prices, start looking for flights early. That said, if your travel plans are flexible, you may score a cheap ticket right before you leave.
Is it cheaper to book a PSM to CJJ flight and hotel package?
Compared with arranging flights and hotels separately, booking a PSM to CJJ flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one convenient place will take the stress out of travel planning. Simply secure your flights and choose from our extensive range of stays, then personalize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Portsmouth Intl. Airport (PSM) to Cheongju Intl. Airport (CJJ)?
In most instances, you can cancel or reschedule your PSM to CJJ flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want more details, visit our Customer Service portal.

Travel information

Origin airport
Portsmouth Intl.
Destination airport
Cheongju Intl.
Distance
6804 mi

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Portsmouth to Cheongju Flights

The cheapest times to fly from Portsmouth to Cheongju

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 Cheongju are during the month of . You can find some of the cheapest flights from Portsmouth to Cheongju with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portsmouth to Cheongju

Sunday is one of the best days to book for cheap flights from Portsmouth to Cheongju: 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 Cheongju

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 Cheongju 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 Cheongju 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 Cheongju 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 Cheongju Flights

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*Available to One Key members.