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$128+ 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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — CHS
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Charleston are usually found in January or August, booked 61 days in advance, depart on a Tuesday or Saturday and return on a Friday

Cheap 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 junio 12, 2025.

Round-trip from

$255
(American Airlines)

One-way from

$128
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$536
From Portland to Charleston
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One-way flight from Portland to Charleston
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Highest demand for flights based on searches. 3% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 junio 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. 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.
mar. 8/1911:01 pmPDX - CHS
1 stop9h 30mAmerican Airlines
mar. 8/262:40 pmCHS - PDX
1 stop9h 35mAmerican Airlines
Deal found 6/12$255
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/189:22 amPDX - CHS
1 stop19h 44mMultiple Airlines
lun. 7/219:38 amCHS - PDX
3 stops31h 37mMultiple Airlines
Deal found 6/11$286
This Delta deal was found by Cheapflights users on 6/11. 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.
vie. 7/2512:40 amPDX - CHS
1 stop6h 58mDelta
mar. 8/56:23 pmCHS - PDX
1 stop8h 36mDelta
Deal found 6/11$307
This United Airlines deal was found by Cheapflights users on 6/9. 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.
mar. 7/86:43 pmPDX - CHS
2 stops11h 04mUnited Airlines
mar. 7/154:27 pmCHS - PDX
1 stop8h 49mUnited Airlines
Deal found 6/9$320
This Southwest deal was found by Cheapflights users on 6/12. 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.
dom. 11/236:30 amPDX - CHS
1 stop7h 10mSouthwest
sáb. 12/136:10 amCHS - PDX
1 stop9h 05mSouthwest
Deal found 6/12$326
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/246:39 pmPDX - CHS
2 stops24h 50mSpirit Airlines
sáb. 6/289:42 amCHS - PDX
2 stops28h 35mSpirit Airlines
Deal found 6/10$340
This JetBlue deal was found by Cheapflights users on 6/11. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/2911:40 pmPDX - CHS
1 stop9h 44mJetBlue
lun. 8/1111:30 amCHS - PDX
1 stop13h 40mJetBlue
Deal found 6/11$399

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 junio 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

mar. 8/19

11:01 pm-11:31 am

1 stop9h 30m

Charleston

mar. 8/26

2:40 pm-9:15 pm

1 stop9h 35m

$255

PortlandCharleston

PDX - CHS

PDXCHS

Portland

vie. 7/18

9:22 am-8:06 am

1 stop19h 44m

Charleston

lun. 7/21

9:38 am-2:15 pm

3 stops31h 37m

$286

PortlandCharleston

PDX - CHS

PDXCHS

Portland

vie. 7/25

12:40 am-10:38 am

1 stop6h 58m

Charleston

mar. 8/5

6:23 pm-11:59 pm

1 stop8h 36m

$307

PortlandCharleston

PDX - CHS

PDXCHS

Portland

mar. 7/8

6:43 pm-8:47 am

2 stops11h 04m

Charleston

mar. 7/15

4:27 pm-10:16 pm

1 stop8h 49m

$320

PortlandCharleston

PDX - CHS

PDXCHS

Portland

dom. 11/23

6:30 am-4:40 pm

1 stop7h 10m

Charleston

sáb. 12/13

6:10 am-12:15 pm

1 stop9h 05m

$326

PortlandCharleston

PDX - CHS

PDXCHS

Portland

mar. 6/24

6:39 pm-10:29 pm

2 stops24h 50m

Charleston

sáb. 6/28

9:42 am-11:17 am

2 stops28h 35m

$340

PortlandCharleston

PDX - CHS

PDXCHS

Portland

mar. 7/29

11:40 pm-12:24 pm

1 stop9h 44m

Charleston

lun. 8/11

11:30 am-10:10 pm

1 stop13h 40m

$399

PortlandCharleston

PDX - CHS

PDXCHS

Portland

sáb. 10/25

5:57 am-5:50 pm

1 stop8h 53m

$128

PortlandCharleston

PDX - CHS

PDXCHS

Portland

mar. 8/5

11:11 pm-10:38 am

1 stop8h 27m

$139

PortlandCharleston

PDX - CHS

PDXCHS

Portland

mié. 7/16

10:23 am-9:45 am

2 stops20h 22m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 16 results
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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 June 9, 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, August is the cheapest month in which you can book a flight from Portland to Charleston (average of $217). Flying from Portland to Charleston in March is currently the most expensive (average of $335). 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 junio 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 50% versus a flight in the evening.

Rainfall in Charleston by month

Plan your trip to Charleston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Charleston ranges from 2.4 - 7.2 inches per month. August is typically the wettest month, when rainfall can reach 7.2 in. November is typically the driest time to visit Charleston when rainfall is around 2.4 in.

Temperature in Charleston by month

Plan your trip to Charleston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Charleston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 junio 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Portland to Charleston to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,925 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Cheapflights users have booked flights from Portland to Charleston round-trip from $255. Other airlines that can offer you cheap pricing are Delta, from $307, and United Airlines, from $320. These flights start at 42% 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 $128. Users have also found prices from $139 and $157 on Delta and Spirit 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, August is the cheapest month in which you can book a flight from Portland to Charleston (average of $217). Flying from Portland to Charleston in March is currently the most expensive (average of $335). 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 Portland?

Book flights to Portland if you plan to visit one of these locations
North Charleston
Summerville
Walterboro
Mount Pleasant
Isle of Palms
Folly Beach
Santee
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 6 airlines flying from Portland to Charleston

Discover the top 6 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$166Average$233FlexibilityNo cancel feeOn-time65%
DeltaCheapest$254Average$456FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$273Average$434FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$276Average$426FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$289Average$455FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$366Average$532FlexibilityNo cancel feeOn-time63%

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