HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Charleston

$167+ Cheap flights from Portland to Charleston (PDX - CHS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — CHS
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Charleston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Portland to Charleston are usually found in January or September, booked 61 days in advance, depart on a Tuesday or Saturday and return on a Friday

Cheap flight deals from Portland to Charleston

Cheapest flights from Portland to Charleston
Explore the most affordable flight options available from Portland to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Southwest deal was found by Cheapflights users on 12/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:45 amPDX - CHS
1 stop6h 25mSouthwest
Mon 12/221:05 pmCHS - PDX
1 stop10h 20mSouthwest
Deal found 12/11$651
This Delta deal was found by Cheapflights users on 12/11. 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.
Thu 12/1810:05 amPDX - CHS
2 stops10h 45mDelta
Mon 12/224:09 pmCHS - PDX
2 stops10h 46mDelta
Deal found 12/11$661
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:52 pmPDX - CHS
1 stop8h 32mUnited Airlines
Tue 12/306:05 amCHS - PDX
1 stop8h 53mUnited Airlines
Deal found 12/11$707
This Southwest deal was found by Cheapflights users on 12/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/215:10 amPDX - CHS
2 stops11h 10mSouthwest
Sat 1/35:10 amCHS - PDX
1 stop7h 30mSouthwest
Deal found 12/11$740
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:33 amPDX - CHS
1 stop9h 50mAmerican Airlines
Mon 1/54:13 pmCHS - PDX
1 stop8h 06mAmerican Airlines
Deal found 12/10$767
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:21 pmPDX - CHS
1 stop7h 14mAmerican Airlines
Mon 12/297:10 pmCHS - PDX
1 stop8h 44mAmerican Airlines
Deal found 12/10$778
This Delta deal was found by Cheapflights users on 12/10. 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.
Thu 12/256:15 amPDX - CHS
2 stops11h 24mDelta
Mon 12/292:41 pmCHS - PDX
1 stop10h 38mDelta
Deal found 12/10$804
This Delta deal was found by Cheapflights users on 12/11. 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 12/227:15 amPDX - CHS
1 stop9h 05mDelta
Sun 12/289:22 amCHS - PDX
1 stop29h 03mDelta
Deal found 12/11$869

Find flight deals from Portland to Charleston

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Charleston (CHS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$276
(United Airlines)

One-way from

$167
(Expedia)

Popular in

March

Cheapest in

January

Average price

$421
Provider with most accurate pricing for Portland-Charleston flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Charleston flights.
Search Deals
From Portland to Charleston
Search Deals
One-way flight from Portland to Charleston
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Charleston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Portland to Charleston that are best for you.

Fly from

Portland

Fly to

Charleston

Route

Depart

Return

Price

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Thu 1/15

5:00 am-3:05 pm

1 stop7h 05m

Charleston

Sat 1/31

1:13 pm-6:56 pm

1 stop8h 43m

$276

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Thu 1/15

6:30 am-8:55 pm

2 stops11h 25m

Charleston

Sat 1/31

9:00 am-8:50 pm

2 stops14h 50m

$286

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Mon 2/2

11:01 pm-6:40 pm

1 stop16h 39m

Charleston

Wed 2/4

10:18 am-8:27 pm

2 stops13h 09m

$294

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Mon 3/2

6:00 am-5:32 pm

1 stop8h 32m

Charleston

Wed 3/4

6:32 pm-11:44 pm

1 stop8h 12m

$304

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Tue 2/3

7:00 am-8:02 pm

1 stop10h 02m

Charleston

Thu 2/5

4:41 pm-10:32 pm

1 stop8h 51m

$305

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Mon 2/2

5:00 pm-9:26 am

2 stops13h 26m

Charleston

Wed 2/4

9:00 am-8:40 pm

2 stops14h 40m

$315

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Fri 1/23

12:35 pm-10:34 pm

1 stop6h 59m

Charleston

Mon 1/26

2:37 pm-8:24 pm

1 stop8h 47m

$335

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Fri 1/30

9:45 pm-9:26 am

1 stop8h 41m

Charleston

Mon 2/2

5:18 pm-10:15 pm

1 stop7h 57m

$335

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Fri 1/23

6:50 am-7:18 pm

1 stop9h 28m

Charleston

Mon 1/26

5:18 pm-10:15 pm

1 stop7h 57m

$335

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Wed 12/31

5:10 am-5:57 pm

1 stop9h 47m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 14 results
1
2

Compare providers for flights from Portland to Charleston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Charleston in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Charleston flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Charleston flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Portland-Charleston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Charleston flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Charleston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Charleston

Have a flexible travel schedule? Discover the best time to fly to Charleston from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Charleston

How far ahead should I book a flight from Portland to Charleston?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Charleston. Price data was last updated on December 5, 2025.

The best time to book flights from Portland to Charleston is 61 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Portland to Charleston?

Currently, September is the cheapest month in which you can book a flight from Portland to Charleston (average of $194). Flying from Portland to Charleston in December is currently the most expensive (average of $304). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to CHS?

Find hourly flight availability from Portland to Charleston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

When flying from Portland to Charleston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 49% versus a flight in the evening.

Reviews of airlines servicing Charleston

Get insights into the airlines that provide service to Charleston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Charleston. Reviews last updated December 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Portland to Charleston. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,432 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,432 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Southwest
7.9
Good
4,253 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,008 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,095 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
American Airlines
7.2
Good
11,050 reviews
Alaska Airlines
8.0
Very good
11,432 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

Find useful and relevant information for your journey from Portland to Charleston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portland to Charleston?

    United Airlines, Delta, and American Airlines can get you from Portland to Charleston in just under 7h 05m. Your travel time can differ by up to 9h 34m. The distance between Portland and Charleston is about 2405 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Portland to Charleston round-trip?

    Cheapflights users have booked flights from Portland to Charleston round-trip from $162. Other airlines that can offer you cheap pricing are Alaska Airlines, from $273, and United Airlines, from $274. These flights start at 61% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Portland to Charleston one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $126. Users have also found prices from $127 and $127 on American Airlines and United Airlines, respectively.

  • Can I find deals for flights from Portland to Charleston that include hotel bookings?

    Yes. In addition to deals on Portland to Charleston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Charleston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Charleston.

  • Can I find deals for business class flights from Portland to Charleston?

    Yes. Cheapflights offers flight deals from Portland to Charleston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Charleston?

    Currently, September is the cheapest month in which you can book a flight from Portland to Charleston (average of $194). Flying from Portland to Charleston in December is currently the most expensive (average of $304). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Charleston?

Book flights to Charleston if you plan to visit one of these locations
North Charleston
Santee
Summerville
Walterboro
Isle of Palms
Mount Pleasant
Edisto Beach

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Charleston

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Charlotte flights
Portland to Savannah flights
Portland to Greenville flights
Portland to Myrtle Beach flights
Boise to Charlotte flights
Medford to Charlotte flights
Boise to Myrtle Beach flights
Portland to Augusta flights
Boise to Greenville flights
Boise to Charleston flights
Medford to Columbia flights
Boise to Savannah flights
Medford to Greenville flights
Portland to Columbia flights
Eugene to Greenville flights
Eugene to Charleston flights
Eugene to Charlotte flights
Redmond to Charlotte flights
Eugene to Savannah flights
Redmond to Savannah flights
Eugene to Columbia flights
Redmond to Myrtle Beach flights
Portland to Hilton Head Island flights
Redmond to Greenville flights
Yakima to Charleston flights
Yakima to Charlotte flights
Eugene to Augusta flights
Portland to Florence flights
Pendleton to Charlotte flights
Yakima to Hilton Head Island flights

Top 5 airlines flying from Portland to Charleston

Discover the top 5 airlines that operate flights from Portland to Charleston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$254Average$399FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$273Average$431FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$274Average$387FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$284Average$439FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$366Average$528FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.