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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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — CHS
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Charleston are usually found in January or February, booked 71 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$307
(American Airlines)

One-way from

$128
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$517
Provider with most accurate pricing for Portland-Charleston flight deals.
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Provider most trusted by Cheapflights users for Portland-Charleston flights.
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From Portland to Charleston
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One-way flight from Portland to Charleston
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This American Airlines deal was found by Cheapflights users on 3/27. 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.
Tue 5/139:38 pmPDX - CHS
1 stop7h 46mAmerican Airlines
Sat 5/176:18 amCHS - PDX
1 stop7h 31mAmerican Airlines
Deal found 3/27$307
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:00 pmPDX - CHS
1 stop16h 55mAlaska Airlines
Wed 10/86:45 pmCHS - PDX
1 stop8h 08mAlaska Airlines
Deal found 3/27$314
This Mytrip deal was found by Cheapflights users on 3/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/95:40 pmPDX - CHS
2 stops11h 58mSpirit Airlines
Mon 5/123:35 pmCHS - PDX
2 stops28h 10mSpirit Airlines
Deal found 3/26$330
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/611:11 pmPDX - CHS
1 stop8h 39mDelta
Thu 6/125:15 amCHS - PDX
2 stops10h 08mDelta
Deal found 3/27$332
This United Airlines deal was found by Cheapflights users on 3/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/110:59 pmPDX - CHS
1 stop8h 37mUnited Airlines
Sat 6/79:50 amCHS - PDX
2 stops11h 44mUnited Airlines
Deal found 3/26$351
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1110:25 amPDX - CHS
2 stops21h 03mMultiple Airlines
Mon 4/1411:45 amCHS - PDX
3 stops33h 20mMultiple Airlines
Deal found 3/27$481
This Sun Country Air deal was found by Cheapflights users on 3/27. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/141:20 pmPDX - CHS
1 stop19h 29mSun Country Air
Sun 5/1812:11 pmCHS - PDX
1 stop24h 50mSun Country Air
Deal found 3/27$525
This Southwest deal was found by Cheapflights users on 3/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/115:45 amPDX - CHS
1 stop6h 40mSouthwest
Sun 4/137:40 pmCHS - PDX
1 stop7h 25mSouthwest
Deal found 3/27$651

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 March 28, 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

Tue 5/13

9:38 pm-8:24 am

1 stop7h 46m

Charleston

Sat 5/17

6:18 am-10:49 am

1 stop7h 31m

$307

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Fri 5/9

5:40 pm-8:38 am

2 stops11h 58m

Charleston

Mon 5/12

3:35 pm-4:45 pm

2 stops28h 10m

$330

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Fri 6/6

11:11 pm-10:50 am

1 stop8h 39m

Charleston

Thu 6/12

5:15 am-12:23 pm

2 stops10h 08m

$332

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Sun 6/1

10:59 pm-10:36 am

1 stop8h 37m

Charleston

Sat 6/7

9:50 am-6:34 pm

2 stops11h 44m

$351

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Fri 4/11

10:25 am-10:28 am

2 stops21h 03m

Charleston

Mon 4/14

11:45 am-6:05 pm

3 stops33h 20m

$481

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Wed 5/14

1:20 pm-11:49 am

1 stop19h 29m

Charleston

Sun 5/18

12:11 pm-10:01 am

1 stop24h 50m

$525

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Fri 4/11

5:45 am-3:25 pm

1 stop6h 40m

Charleston

Sun 4/13

7:40 pm-12:05 am

1 stop7h 25m

$651

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Tue 5/6

11:59 pm-12:05 pm

1 stop9h 06m

$128

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Wed 4/23

7:54 am-11:47 pm

2 stops12h 53m

$183

PortlandCharleston

PDX - CHS

PDXCHS

Portland

Wed 5/21

5:40 pm-8:35 am

2 stops11h 55m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*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 FlightHub the most. FlightHub 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 March 21, 2025.

The best time to book flights from Portland to Charleston is 71 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 March 28, 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 March 28, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Overall

8.1

Food

7.1

Comfort

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 $307. Other airlines that can offer you cheap pricing are Delta, from $311, and Spirit Airlines, from $330. These flights start at 35% 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 $183 and $264 on United Airlines and Delta, 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
Santee
Mount Pleasant
Isle of Palms
Folly Beach
Walterboro
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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$166Average$310FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$273Average$429FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$281Average$427FlexibilityNo cancel feeOn-time69%
DeltaCheapest$296Average$520FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$325Average$524FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$366Average$539FlexibilityNo cancel feeOn-time63%
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