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$175+ 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — PDX
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
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Cheap 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 July 28, 2026.

This United Airlines deal was found by Cheapflights users on 7/23. 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.
Thu 8/202:54 pm
CHS
-
PDX
1 stop8h 16m
United Airlines
Thu 8/2710:50 am
PDX
-
CHS
1 stop7h 45m
United Airlines
Deal found 7/23$349
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Sat 8/226:30 am
CHS
-
PDX
2 stops11h 35m
United Airlines
Sat 8/2911:02 pm
PDX
-
CHS
1 stop8h 34m
United Airlines
Deal found 7/23$354
This Southwest deal was found by Cheapflights users on 7/23. 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.
Sat 8/2211:00 am
CHS
-
PDX
2 stops10h 25m
Southwest
Sat 8/296:50 am
PDX
-
CHS
2 stops9h 00m
Southwest
Deal found 7/23$359
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Tue 9/84:58 pm
CHS
-
PDX
1 stop8h 54m
United Airlines
Wed 9/910:50 am
PDX
-
CHS
2 stops10h 21m
United Airlines
Deal found 7/24$364
This Southwest deal was found by Cheapflights users on 7/23. 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.
Sat 8/1511:00 am
CHS
-
PDX
2 stops10h 25m
Southwest
Sat 8/2211:30 pm
PDX
-
CHS
1 stop9h 00m
Southwest
Deal found 7/23$369
This Southwest deal was found by Cheapflights users on 7/23. 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.
Tue 11/31:25 pm
CHS
-
PDX
2 stops11h 45m
Southwest
Thu 11/511:30 pm
PDX
-
CHS
1 stop13h 20m
Southwest
Deal found 7/23$375
This Southwest deal was found by Cheapflights users on 7/23. 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.
Mon 8/176:30 pm
CHS
-
PDX
1 stop7h 35m
Southwest
Wed 8/195:50 am
PDX
-
CHS
2 stops10h 55m
Southwest
Deal found 7/23$384
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 10/73:00 pm
CHS
-
PDX
1 stop8h 10m
United Airlines
Wed 10/148:30 am
PDX
-
CHS
1 stop10h 03m
United Airlines
Deal found 7/25$392
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Tue 8/254:38 pm
CHS
-
PDX
1 stop9h 14m
United Airlines
Thu 8/278:25 am
PDX
-
CHS
1 stop7h 45m
United Airlines
Deal found 7/26$393
This Delta deal was found by Cheapflights users on 7/27. 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.
Thu 10/14:12 pm
CHS
-
PDX
1 stop8h 35m
Delta
Sat 10/1010:15 pm
PDX
-
CHS
1 stop10h 57m
Delta
Deal found 7/27$398

Find 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 July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(United Airlines)

One-way from

$175
(United Airlines)

Popular in

December

Cheapest in

November

Average price

$466
Provider with most accurate pricing for Charleston-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Charleston-Portland flights.
Search Deals
From Charleston to Portland
Search Deals
One-way flight from Charleston to Portland
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 28, 2026.
Use the filters below to find and compare flights from Charleston to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Mon 8/24

4:30 pm-9:05 pm

1 stop7h 35m

Portland

Wed 8/26

5:00 am-3:30 pm

1 stop7h 30m

$349

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Mon 8/24

11:30 am-8:45 pm

2 stops12h 15m

Portland

Wed 8/26

6:45 am-6:20 pm

2 stops8h 35m

$374

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Wed 10/7

3:00 pm-8:10 pm

1 stop8h 10m

Portland

Wed 10/14

8:30 am-9:33 pm

1 stop10h 03m

$392

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Thu 10/1

4:12 pm-9:47 pm

1 stop8h 35m

Portland

Sat 10/10

10:15 pm-12:12 pm

1 stop10h 57m

$398

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Thu 9/3

4:05 pm-11:45 pm

1 stop10h 40m

Portland

Tue 9/8

11:30 pm-12:35 pm

2 stops10h 05m

$400

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Fri 10/2

5:35 pm-9:47 pm

1 stop7h 12m

Portland

Sat 10/17

10:15 pm-12:12 pm

1 stop10h 57m

$407

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Tue 10/6

2:20 pm-10:10 pm

2 stops10h 50m

Portland

Thu 10/29

5:20 am-6:00 pm

2 stops9h 40m

$408

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Fri 10/2

3:00 pm-8:10 pm

1 stop8h 10m

Portland

Tue 10/6

10:43 am-9:33 pm

1 stop7h 50m

$412

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Tue 10/20

7:00 am-3:06 pm

2 stops11h 06m

Portland

Fri 10/23

11:30 pm-10:27 am

1 stop7h 57m

$412

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Fri 10/2

12:43 pm-10:02 pm

2 stops12h 19m

Portland

Tue 10/6

2:20 pm-11:59 pm

1 stop6h 39m

$435

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Charleston to Portland

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 Charleston to Portland in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust 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 Charleston-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Charleston-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Charleston-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Charleston-Portland 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 Charleston-Portland 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 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?

To ensure you get the cheapest price possible for a flight from Charleston to Portland, you should look to book at least 84 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 $334). Flying from Charleston to Portland in December is currently the most expensive (average of $607). 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.

How much does it cost to fly round-trip from Charleston to Portland?

Airfare is below average for this route at the moment.

Charleston to Portland flights typically cost between $436 and $625 in August.
The cheapest round-trip price found within the last 5 days was $349 on United Airlines (Aug 20-Aug 27).

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 July 28, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines 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.
Southwest
8.0
Very good
4,228 reviews

Entertainment

7.5

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Southwest
8.0
Very good
4,228 reviews
Southwest
8.0
Very good
4,228 reviews

Entertainment

7.5

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Delta
7.8
Good
8,482 reviews
Southwest
8.0
Very good
4,228 reviews

Entertainment

7.5

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
United Airlines
7.4
Good
10,046 reviews
Southwest
8.0
Very good
4,228 reviews

Entertainment

7.5

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
American Airlines
7.1
Good
11,839 reviews
Southwest
8.0
Very good
4,228 reviews

Entertainment

7.5

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

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.

  • How long is the flight from Charleston to Portland?

    A quick flight from Charleston to Portland can take about 7h 35m. United Airlines provides one of the quickest options available for as low as $349. Airlines will cover a distance of 2405 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $253 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $292 and $335 round-trip. Delta is priced at 46% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $114. Users have also found prices from $127 and $137 on American Airlines and United Airlines, respectively.

  • 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 $334). Flying from Charleston to Portland in December is currently the most expensive (average of $607). 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
Beaverton
Seaside
Lincoln City
Vancouver
Longview
Lake Oswego
Hillsboro
Kelso
Clackamas
Troutdale
Cannon Beach
Long Beach
McMinnville
The Dalles
Wilsonville
Depoe Bay
Stevenson
Tillamook
Astoria
Gresham

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.

Top 4 airlines flying from Charleston to Portland

Discover the top 4 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 July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$253Average$423FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$292Average$462FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$335Average$478FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$376Average$484FlexibilityNo cancel feeOn-time63%

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