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$129+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — CHS
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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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 January 27, 2026.

This Delta deal was found by Cheapflights users on 1/26. 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.
Tue 2/2412:09 pm
PDX
-
CHS
1 stop8h 45m
Delta
Tue 3/104:51 pm
CHS
-
PDX
1 stop8h 17m
Delta
Deal found 1/26$257
This Delta deal was found by Cheapflights users on 1/26. 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.
Sun 2/229:45 pm
PDX
-
CHS
1 stop8h 38m
Delta
Tue 3/104:51 pm
CHS
-
PDX
1 stop8h 17m
Delta
Deal found 1/26$296
This Delta deal was found by Cheapflights users on 1/26. 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.
Sat 2/285:25 pm
PDX
-
CHS
2 stops14h 53m
Delta
Tue 3/106:30 am
CHS
-
PDX
2 stops9h 18m
Delta
Deal found 1/26$299
This Delta deal was found by Cheapflights users on 1/26. 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 2/237:35 pm
PDX
-
CHS
2 stops12h 09m
Delta
Tue 3/1012:44 pm
CHS
-
PDX
2 stops14h 10m
Delta
Deal found 1/26$307
This American Airlines deal was found by Cheapflights users on 1/26. 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.
Fri 5/811:59 pm
PDX
-
CHS
1 stop8h 45m
American Airlines
Tue 5/124:20 pm
CHS
-
PDX
1 stop9h 29m
American Airlines
Deal found 1/26$323
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Fri 5/111:59 pm
PDX
-
CHS
1 stop8h 45m
American Airlines
Fri 5/84:20 pm
CHS
-
PDX
1 stop9h 29m
American Airlines
Deal found 1/27$335
This Delta deal was found by Cheapflights users on 1/26. 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.
Fri 5/85:45 pm
PDX
-
CHS
2 stops12h 57m
Delta
Tue 5/122:25 pm
CHS
-
PDX
2 stops10h 57m
Delta
Deal found 1/26$338
This Delta deal was found by Cheapflights users on 1/26. 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.
Fri 5/111:06 pm
PDX
-
CHS
1 stop9h 14m
Delta
Fri 5/83:10 pm
CHS
-
PDX
2 stops11h 31m
Delta
Deal found 1/26$340

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$257
(Delta)

One-way from

$129
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$345
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
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 27, 2026.
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

Sat 2/28

9:45 pm-9:22 am

1 stop8h 37m

Charleston

Tue 3/10

5:27 am-10:30 am

1 stop8h 03m

$257

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Mon 4/13

11:59 pm-11:44 am

1 stop8h 45m

Charleston

Tue 4/21

7:15 am-12:22 pm

1 stop8h 07m

$335

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Thu 7/2

9:45 pm-9:42 am

1 stop8h 57m

Charleston

Mon 7/6

5:55 pm-11:59 pm

1 stop9h 04m

$335

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Fri 5/8

5:45 pm-9:42 am

2 stops12h 57m

Charleston

Tue 5/12

2:25 pm-10:22 pm

2 stops10h 57m

$338

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Thu 5/28

6:44 pm-10:01 am

2 stops12h 17m

Charleston

Tue 6/2

6:00 am-11:38 am

1 stop8h 38m

$340

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Fri 5/1

11:59 pm-12:45 pm

2 stops9h 46m

Charleston

Fri 5/8

4:20 pm-11:42 pm

1 stop10h 22m

$340

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Fri 5/1

11:06 pm-11:20 am

1 stop9h 14m

Charleston

Fri 5/8

3:10 pm-11:41 pm

2 stops11h 31m

$340

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Mon 4/13

6:05 pm-8:51 am

2 stops11h 46m

Charleston

Tue 4/21

8:25 am-6:08 pm

2 stops12h 43m

$346

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Thu 6/11

9:45 pm-9:42 am

1 stop8h 57m

Charleston

Mon 6/15

3:10 pm-11:41 pm

2 stops11h 31m

$372

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Wed 2/25

7:05 am-5:32 pm

1 stop7h 27m

Charleston

Sun 3/1

6:32 pm-8:49 am

1 stop17h 17m

$373

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 21 results
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Charleston flight deals on Cheapflights vs. FlightHub >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 Expedia the most. Expedia 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 January 23, 2026.

The best time to book flights from Portland to Charleston is 46 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 March is currently the most expensive (average of $319). 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.

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 January 27, 2026.
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
11,795 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,795 reviews
Alaska Airlines
8.0
Very good
11,795 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,268 reviews
Alaska Airlines
8.0
Very good
11,795 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,118 reviews
Alaska Airlines
8.0
Very good
11,795 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,205 reviews
Alaska Airlines
8.0
Very good
11,795 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,197 reviews
Alaska Airlines
8.0
Very good
11,795 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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?

    Delta and American Airlines can get you from Portland to Charleston in just under 8h 37m. Your travel time can differ by up to 08m. 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 United Airlines, from $254, and American Airlines, from $284. These flights start at 62% 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 American Airlines. According to our data, you can fly for as low as $127. Users have also found prices from $127 and $157 on Delta and Alaska 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 March is currently the most expensive (average of $319). 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

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Alternative routes for Portland to Charleston

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$162Average$393FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$254Average$402FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$284Average$446FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$298Average$488FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$354Average$527FlexibilityNo cancel feeOn-time63%

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