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$114+ Cheap flights from Charleston to Portland (CHS - PDX)

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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — PDX
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Charleston to Portland are usually found in September or January, booked 87 days in advance, depart on a Friday or Saturday and return on a Tuesday

Cheap flight deals from Charleston to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) to Portland (PDX). 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 August 14, 2025.

Round-trip from

$227
(American Airlines)

One-way from

$114
(United Airlines)

Popular in

May

Cheapest in

September

Average price

$354
From Charleston to Portland
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One-way flight from Charleston to Portland
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Highest demand for flights based on searches. 13% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Charleston to Portland

Cheapest flights from Charleston to Portland
Explore the most affordable flight options available from Charleston to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This American Airlines deal was found by Cheapflights users on 8/14. 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.
Wed 10/16:16 pmCHS - PDX
1 stop8h 49mAmerican Airlines
Tue 10/79:52 pmPDX - CHS
1 stop8h 39mAmerican Airlines
Deal found 8/14$227
This Delta deal was found by Cheapflights users on 8/14. 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.
Wed 10/15:10 amCHS - PDX
2 stops9h 35mDelta
Tue 10/75:07 pmPDX - CHS
2 stops12h 38mDelta
Deal found 8/14$237
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Wed 10/152:24 pmCHS - PDX
1 stop10h 23mAmerican Airlines
Sat 10/181:16 pmPDX - CHS
1 stop7h 59mAmerican Airlines
Deal found 8/14$241
This American Airlines deal was found by Cheapflights users on 8/14. 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 11/43:21 pmCHS - PDX
1 stop9h 02mAmerican Airlines
Sat 11/812:04 pmPDX - CHS
1 stop7h 20mAmerican Airlines
Deal found 8/14$243
This Delta deal was found by Cheapflights users on 8/13. 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.
Wed 10/155:35 amCHS - PDX
2 stops10h 14mDelta
Sat 10/1810:10 pmPDX - CHS
1 stop7h 35mDelta
Deal found 8/13$246
This Delta deal was found by Cheapflights users on 8/14. 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 11/46:00 amCHS - PDX
1 stop9h 06mDelta
Sat 11/89:17 amPDX - CHS
2 stops11h 42mDelta
Deal found 8/14$248
This American Airlines deal was found by Cheapflights users on 8/13. 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 9/162:59 pmCHS - PDX
1 stop8h 29mAmerican Airlines
Fri 9/199:56 pmPDX - CHS
1 stop8h 46mAmerican Airlines
Deal found 8/13$262
This Delta deal was found by Cheapflights users on 8/13. 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 9/163:20 pmCHS - PDX
2 stops11h 32mDelta
Fri 9/1910:50 pmPDX - CHS
2 stops11h 59mDelta
Deal found 8/13$272

Cheapflights Fare Finder

 
Customize your flight search to find flights from Charleston to Portland 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 August 14, 2025.
Use the filters below to find and compare flights from Charleston to Portland that are best for you.

Fly from

Charleston

Fly to

Portland

Route

Depart

Return

Price

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Tue 10/28

11:25 am-6:40 pm

1 stop10h 15m

Portland

Tue 11/11

11:59 pm-10:29 am

1 stop7h 30m

$227

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Wed 10/1

6:16 pm-12:05 am

1 stop8h 49m

Portland

Tue 10/7

9:52 pm-9:31 am

1 stop8h 39m

$227

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Wed 10/1

5:10 am-11:45 am

2 stops9h 35m

Portland

Tue 10/7

5:07 pm-8:45 am

2 stops12h 38m

$237

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Tue 10/28

12:15 pm-7:43 pm

2 stops10h 28m

Portland

Tue 11/11

5:30 am-6:30 pm

2 stops10h 00m

$237

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Sat 10/18

4:30 pm-9:05 pm

1 stop7h 35m

Portland

Tue 10/21

11:58 pm-1:12 pm

1 stop10h 14m

$241

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Tue 11/4

3:21 pm-9:23 pm

1 stop9h 02m

Portland

Sat 11/8

10:15 pm-8:29 am

1 stop7h 14m

$241

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Wed 10/15

2:24 pm-9:47 pm

1 stop10h 23m

Portland

Sat 10/18

1:16 pm-12:15 am

1 stop7h 59m

$241

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Wed 9/24

4:12 pm-10:42 pm

1 stop9h 30m

$114

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Wed 10/15

2:24 pm-9:47 pm

1 stop10h 23m

$114

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Wed 9/24

6:16 pm-12:05 am

1 stop8h 49m

$114

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 16 results
1
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Best time to book a flight from Charleston to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Charleston 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 Charleston to Portland

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

Use this chart to determine the optimal time to book a round-trip flight from Charleston to Portland. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from Charleston to Portland, you should look to book at least 87 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Charleston to Portland (average of $277). Flying from Charleston to Portland in March is currently the most expensive (average of $369). 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 CHS to PDX?

Find hourly flight availability from Charleston to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

When flying from Charleston to Portland, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 17% versus a flight in the morning.

What’s the top layover airport for flights from Charleston to Portland?

Share of 1-stop round-trip flights from Charleston to Portland chosen by Cheapflights users in the past 12 months, using the same layover each way.

Seattle (SEA) – chosen by Cheapflights users on 75% of 1-stop itineraries from Charleston to Portland on Cheapflights.

What’s the cheapest layover airport for flights from Charleston to Portland?

Average round-trip fare for 1-stop flights from Charleston to Portland, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Seattle (SEA) is the most affordable 1-stop option, with an average round-trip price of $438.

What’s the fastest layover option from Charleston to Portland?

Shortest average travel time for 1-stop one-way flights from Charleston to Portland, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 8h 00m.

Which airport typically offers the quickest layover for flights from Charleston to Portland?

Average layover duration for 1-stop one-way flights from Charleston to Portland, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Seattle (SEA) offer the fastest connection on this route, with an average layover time of 1h 20m.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated August 14, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Charleston to Portland. 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
10,000 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Southwest
8.0
Very good
4,244 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
United Airlines
7.4
Good
8,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Related info for your journey

Find useful and relevant information for your journey from Charleston to Portland. 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 Charleston to Portland round-trip?

    Our cheapest airline available from Charleston to Portland is Delta. Our recent data shows that you can find tickets from as low as $189 on this airline. Additional options worth looking into are United Airlines and Southwest, starting at $254 and $289 round-trip. Delta is priced at 55% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Charleston to Portland 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 Charleston to Portland?

    Currently, November is the cheapest month in which you can book a flight from Charleston to Portland (average of $277). Flying from Charleston to Portland in March is currently the most expensive (average of $369). 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
Vancouver
Seaside
Beaverton
Clackamas
McMinnville
Lake Oswego
Hillsboro
Lincoln City
Cannon Beach
Long Beach
Longview
Tigard
Depoe Bay
Stevenson
Woodburn
Wilsonville
Pacific City
Troutdale
Tillamook
Gresham

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Charleston to Portland

Discover the top 5 airlines that operate flights from Charleston to Portland. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$189Average$412FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$254Average$414FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$289Average$511FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$297Average$477FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$309Average$427FlexibilityNo cancel feeOn-time71%

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