$137 Cheap Flights from Portland (PDX) to Charleston (CHS)

View $137 flight on Wed, Dec 10, 2025Opens in a new window

Popular airlines from Portland International Airport (PDX) to Charleston Intl. Airport (CHS)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Portland to Charleston (PDX-CHS)

Prices were available within the past 7 days and start at $137 for one-way flights and $269 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Jan 6 - Tue, Jan 6
PDX
Portland
CHS
Charleston
$269 Roundtrip, found 1 day ago
$269
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Jan 6 from Portland to Charleston, returning Tue, Jan 6, priced at $269 found 1 day ago
Hawaiian Airlines
Wed, Jan 21 - Wed, Feb 4
PDX
Portland
CHS
Charleston
$275 Roundtrip, found 6 days ago
$275
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Wed, Jan 21 from Portland to Charleston, returning Wed, Feb 4, priced at $275 found 6 days ago
United
Sat, Feb 14 - Wed, Feb 18
PDX
Portland
CHS
Charleston
$275 Roundtrip, found 2 hours ago
$275
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Feb 14 from Portland to Charleston, returning Wed, Feb 18, priced at $275 found 2 hours ago
Delta
Sat, Jan 17 - Wed, Jan 21
PDX
Portland
CHS
Charleston
$275 Roundtrip, just found
$275
Roundtrip
just found
Select Delta flight, departing Sat, Jan 17 from Portland to Charleston, returning Wed, Jan 21, priced at $275 just found
American Airlines
Sat, Feb 14 - Wed, Feb 18
PDX
Portland
CHS
Charleston
$275 Roundtrip, found 2 hours ago
$275
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Feb 14 from Portland to Charleston, returning Wed, Feb 18, priced at $275 found 2 hours ago
Alaska Airlines
Tue, Jan 6 - Tue, Jan 13
PDX
Portland
CHS
Charleston
$277 Roundtrip, found 2 days ago
$277
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Jan 6 from Portland to Charleston, returning Tue, Jan 13, priced at $277 found 2 days ago
United
Sat, Feb 14 - Wed, Feb 18
PDX
Portland
CHS
Charleston
$280 Roundtrip, found 2 hours ago
$280
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Feb 14 from Portland to Charleston, returning Wed, Feb 18, priced at $280 found 2 hours ago
United
Sat, Dec 13 - Tue, Dec 16
PDX
Portland
CHS
Charleston
$284 Roundtrip, found 3 days ago
$284
Roundtrip
found 3 days ago
Select United flight, departing Sat, Dec 13 from Portland to Charleston, returning Tue, Dec 16, priced at $284 found 3 days ago
Alaska Airlines
Sat, Dec 13 - Tue, Dec 16
PDX
Portland
CHS
Charleston
$285 Roundtrip, found 3 days ago
$285
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Dec 13 from Portland to Charleston, returning Tue, Dec 16, priced at $285 found 3 days ago
American Airlines
Mon, Jan 19 - Sat, Jan 24
PDX
Portland
CHS
Charleston
$295 Roundtrip, just found
$295
Roundtrip
just found
Select American Airlines flight, departing Mon, Jan 19 from Portland to Charleston, returning Sat, Jan 24, priced at $295 just found

Find the cheapest month to fly from Portland (PDX) to Charleston (CHS)

September is typically the cheapest month to fly

From $196 - $437 per traveler.

Alternative airports near Charleston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Charleston Intl. CHS. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $467
CHS
Charleston Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $467

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Charleston Intl. Airport (CHS) cost?
Grab a cheap one-way flight from $137 or cheap return flight from $269 from Portland Intl. Airport (PDX) to Charleston Intl. Airport (CHS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to Charleston Intl. Airport (CHS)?
January is the cheapest month to fly from PDX to CHS. Traveling outside of peak seasons is often the key to better flight prices.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to Charleston Intl. Airport (CHS)?
To find the cheapest airline flying from PDX to CHS, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Portland Intl. Airport (PDX) to Charleston Intl. Airport (CHS)?
You'll need to catch a flight with a layover if you're traveling from Portland Intl. Airport (PDX) to Charleston Intl. Airport (CHS). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from PDX to CHS?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on a range of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Airport (PDX) to Charleston Intl. Airport (CHS)?
To arrive at Charleston Intl. Airport (CHS) on schedule, select a flight that takes off from Portland Intl. Airport (PDX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Portland Intl. Airport (PDX) to Charleston Intl. Airport (CHS) last-minute?
Last-minute bookings from PDX to CHS are generally more expensive. For the cheapest rates, start searching for flights well ahead of time. That being said, if your travel plans are flexible, you may find a cheap fare right before your journey.
Is it cheaper to book a PDX to CHS flight and hotel package?
Compared with arranging hotels and flights separately, booking a PDX to CHS flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place takes the hassle out of planning your trip. Just secure your flights and select from our wide range of stays, then tailor your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Charleston Intl. Airport (CHS)?
If you reserved your PDX to CHS flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, 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'd like more information.

Travel information

Origin airport
Portland Intl.
Destination airport
Charleston Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$268
Distance
2406 mi

Book with confidence

Portland to Charleston Flights

The cheapest times to fly from Portland to Charleston

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

 

The best time to book a flight from Portland to Charleston

Sunday is one of the best days to book for cheap flights from Portland to Charleston: 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 Portland to Charleston

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 Portland to Charleston in 2025. You can also book with separate airlines for your outbound and return journeys, from $137 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 Portland to Charleston 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 Portland to Charleston 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.

 

Portland to Charleston Flights

Explore a world of travel with Expedia

*Available to One Key members.