$138+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — CHS
Apr 3 — Apr 101
1 adult, Economy
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Cheapest flights from Portland to CharlestonExplore 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 4, 2026.
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 4, 2026.
This United Airlines deal was found by Cheapflights users on 2/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:05 am
PDX
- CHS
1 stop7h 54m
United Airlines
Sat 4/182:53 pm
CHS
- PDX
1 stop8h 49m
United Airlines
Deal found 2/27![United Airlines logo]()
$270
This Delta deal was found by Cheapflights users on 2/27. 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.
Sat 4/1810:55 pm
PDX
- CHS
1 stop8h 14m
Delta
Sat 4/255:20 am
CHS
- PDX
1 stop8h 21m
Delta
Deal found 2/27![Delta logo]()
$275
This Delta deal was found by Cheapflights users on 3/1. 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 5/55:30 am
PDX
- CHS
2 stops13h 04m
Delta
Sat 5/96:00 am
CHS
- PDX
1 stop8h 46m
Delta
Deal found 3/1![Delta logo]()
$280
This Delta deal was found by Cheapflights users on 3/1. 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 4/2012:30 am
PDX
- CHS
2 stops10h 45m
Delta
Tue 5/56:25 am
CHS
- PDX
2 stops12h 42m
Delta
Deal found 3/1![Delta logo]()
$286
This United Airlines deal was found by Cheapflights users on 3/2. 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.
Mon 4/2010:56 pm
PDX
- CHS
1 stop10h 29m
United Airlines
Wed 4/222:58 pm
CHS
- PDX
1 stop8h 44m
United Airlines
Deal found 3/2![United Airlines logo]()
$300
This American Airlines deal was found by Cheapflights users on 3/1. 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.
Sat 4/1810:23 pm
PDX
- CHS
1 stop7h 09m
American Airlines
Sat 4/252:59 pm
CHS
- PDX
2 stops10h 58m
American Airlines
Deal found 3/1![American Airlines logo]()
$302
This United Airlines deal was found by Cheapflights users on 3/2. 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 4/228:05 am
PDX
- CHS
1 stop7h 54m
United Airlines
Sat 4/252:53 pm
CHS
- PDX
1 stop8h 49m
United Airlines
Deal found 3/2![United Airlines logo]()
$303
This American Airlines deal was found by Cheapflights users on 2/27. 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.
Mon 4/1310:23 pm
PDX
- CHS
1 stop8h 29m
American Airlines
Tue 4/214:41 pm
CHS
- PDX
1 stop9h 08m
American Airlines
Deal found 2/27![American Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 3/2. 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 5/88:11 pm
PDX
- CHS
2 stops10h 29m
Delta
Tue 5/126:00 am
CHS
- PDX
1 stop8h 46m
Delta
Deal found 3/2![Delta logo]()
$310
This American Airlines deal was found by Cheapflights users on 3/1. 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 5/110:28 pm
PDX
- CHS
1 stop9h 06m
American Airlines
Tue 5/54:41 pm
CHS
- PDX
1 stop9h 08m
American Airlines
Deal found 3/1![American Airlines logo]()
$314
Best flights from Portland to CharlestonDiscover carefully curated flight deals from Portland to Charleston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 4, 2026.
Discover carefully curated flight deals from Portland to Charleston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 4, 2026.
This United Airlines deal was found by Cheapflights users on 3/1. 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 4/218:05 am
PDX
- CHS
1 stop7h 54m
United Airlines
Tue 5/54:01 pm
CHS
- PDX
1 stop8h 08m
United Airlines
Deal found 3/1![United Airlines logo]()
$275
This Delta deal was found by Cheapflights users on 3/1. 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 4/1810:55 pm
PDX
- CHS
1 stop6h 56m
Delta
Sat 4/255:20 am
CHS
- PDX
1 stop8h 21m
Delta
Deal found 3/1![Delta logo]()
$275
This Southwest deal was found by Cheapflights users on 2/27. 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.
Tue 4/146:40 am
PDX
- CHS
2 stops8h 55m
Southwest
Sat 4/1810:55 am
CHS
- PDX
2 stops10h 50m
Southwest
Deal found 2/27![Southwest logo]()
$326
This United Airlines deal was found by Cheapflights users on 2/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/195:00 am
PDX
- CHS
1 stop6h 59m
United Airlines
Fri 5/293:08 pm
CHS
- PDX
2 stops10h 47m
United Airlines
Deal found 2/27![United Airlines logo]()
$310
This Southwest deal was found by Cheapflights users on 3/2. 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 3/3011:55 pm
PDX
- CHS
1 stop12h 55m
Southwest
Wed 4/14:35 pm
CHS
- PDX
1 stop9h 35m
Southwest
Deal found 3/2![Southwest logo]()
$351
This Delta deal was found by Cheapflights users on 2/27. 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 5/16:05 pm
PDX
- CHS
2 stops13h 04m
Delta
Fri 5/86:15 am
CHS
- PDX
1 stop6h 56m
Delta
Deal found 2/27![Delta logo]()
$382
This Southwest deal was found by Cheapflights users on 3/1. 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 5/18:05 am
PDX
- CHS
2 stops10h 50m
Southwest
Tue 5/57:15 am
CHS
- PDX
2 stops16h 30m
Southwest
Deal found 3/1![Southwest logo]()
$363
This United Airlines deal was found by Cheapflights users on 2/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/145:35 pm
PDX
- CHS
2 stops13h 48m
United Airlines
Sat 4/188:00 am
CHS
- PDX
3 stops13h 08m
United Airlines
Deal found 2/27![United Airlines logo]()
$391
This Southwest deal was found by Cheapflights users on 2/27. 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.
Sat 4/186:00 am
PDX
- CHS
2 stops9h 05m
Southwest
Sat 4/2512:40 pm
CHS
- PDX
2 stops12h 20m
Southwest
Deal found 2/27![Southwest logo]()
$385
This United Airlines deal was found by Cheapflights users on 2/26. 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.
Sat 3/288:30 am
PDX
- CHS
1 stop9h 40m
United Airlines
Sat 4/45:12 pm
CHS
- PDX
1 stop8h 46m
United Airlines
Deal found 2/26![United Airlines logo]()
$437
This Southwest deal was found by Cheapflights users on 3/2. 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.
Thu 5/285:10 am
PDX
- CHS
2 stops13h 20m
Southwest
Mon 6/15:45 pm
CHS
- PDX
2 stops9h 40m
Southwest
Deal found 3/2![Southwest logo]()
$425
Last-minute flights from Portland to CharlestonDiscover last-minute flight deals from Portland to Charleston. Data last updated March 4, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Charleston. Data last updated March 4, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 2/27. 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.
Mon 4/1310:23 pm
PDX
- CHS
1 stop8h 29m
American Airlines
Tue 4/214:41 pm
CHS
- PDX
1 stop9h 08m
American Airlines
Deal found 2/27![American Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 3/2. 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 4/1311:15 pm
PDX
- CHS
2 stops11h 20m
Delta
Tue 4/216:25 am
CHS
- PDX
1 stop7h 16m
Delta
Deal found 3/2![Delta logo]()
$310
This Delta deal was found by Cheapflights users on 2/27. 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.
Mon 4/1312:30 am
PDX
- CHS
2 stops10h 45m
Delta
Sat 4/185:20 am
CHS
- PDX
2 stops10h 29m
Delta
Deal found 2/27![Delta logo]()
$315
This United Airlines deal was found by Cheapflights users on 2/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:05 am
PDX
- CHS
1 stop7h 54m
United Airlines
Sat 4/182:53 pm
CHS
- PDX
1 stop8h 49m
United Airlines
Deal found 2/27![United Airlines logo]()
$270
This Delta deal was found by Cheapflights users on 2/27. 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.
Sat 4/1810:55 pm
PDX
- CHS
1 stop8h 14m
Delta
Sat 4/255:20 am
CHS
- PDX
1 stop8h 21m
Delta
Deal found 2/27![Delta logo]()
$275
This American Airlines deal was found by Cheapflights users on 3/1. 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.
Sat 4/1810:23 pm
PDX
- CHS
1 stop7h 09m
American Airlines
Sat 4/252:59 pm
CHS
- PDX
2 stops10h 58m
American Airlines
Deal found 3/1![American Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 3/1. 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 4/2012:30 am
PDX
- CHS
2 stops10h 45m
Delta
Tue 5/56:25 am
CHS
- PDX
2 stops12h 42m
Delta
Deal found 3/1![Delta logo]()
$286
This United Airlines deal was found by Cheapflights users on 3/2. 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.
Mon 4/2010:56 pm
PDX
- CHS
1 stop10h 29m
United Airlines
Wed 4/222:58 pm
CHS
- PDX
1 stop8h 44m
United Airlines
Deal found 3/2![United Airlines logo]()
$300
This United Airlines deal was found by Cheapflights users on 3/1. 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 4/215:00 am
PDX
- CHS
2 stops10h 59m
United Airlines
Tue 5/52:48 pm
CHS
- PDX
1 stop8h 54m
United Airlines
Deal found 3/1![United Airlines logo]()
$280
This United Airlines deal was found by Cheapflights users on 3/2. 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 4/228:05 am
PDX
- CHS
1 stop7h 54m
United Airlines
Sat 4/252:53 pm
CHS
- PDX
1 stop8h 49m
United Airlines
Deal found 3/2![United Airlines logo]()
$303
One-way flights from Portland to CharlestonSearch for one-way flight options from Portland to Charleston. Find affordable one-way fares based on user searches. Data last updated March 4, 2026.
Search for one-way flight options from Portland to Charleston. Find affordable one-way fares based on user searches. Data last updated March 4, 2026.
This American Airlines deal was found by Cheapflights users on 2/27. 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 4/1411:56 am
PDX
- CHS
1 stop7h 45m
American Airlines
Deal found 2/27![American Airlines logo]()
$138
This United Airlines deal was found by Cheapflights users on 2/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:05 am
PDX
- CHS
2 stops12h 54m
United Airlines
Deal found 2/27![United Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:48 pm
PDX
- CHS
3 stops39h 50m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$158
This American Airlines deal was found by Cheapflights users on 3/2. 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 4/110:53 pm
PDX
- CHS
1 stop8h 23m
American Airlines
Deal found 3/2![American Airlines logo]()
$164
This American Airlines deal was found by Cheapflights users on 3/2. 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 4/1711:40 pm
PDX
- CHS
1 stop9h 46m
American Airlines
Deal found 3/2![American Airlines logo]()
$168
This United Airlines deal was found by Cheapflights users on 3/2. 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 4/267:05 pm
PDX
- CHS
2 stops10h 46m
United Airlines
Deal found 3/2![United Airlines logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/312:44 pm
PDX
- CHS
2 stops40h 14m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$175
This American Airlines deal was found by Cheapflights users on 3/3. 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.
Sun 4/510:53 pm
PDX
- CHS
1 stop8h 23m
American Airlines
Deal found 3/3![American Airlines logo]()
$178
This Southwest deal was found by Cheapflights users on 3/2. 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.
Wed 4/16:00 am
PDX
- CHS
2 stops9h 55m
Southwest
Deal found 3/2![Southwest logo]()
$190
This American Airlines deal was found by Cheapflights users on 3/1. 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 5/1311:56 am
PDX
- CHS
1 stop7h 45m
American Airlines
Deal found 3/1![American Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 3/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3012:13 pm
PDX
- CHS
3 stops19h 55m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$207
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 March 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $270 (United Airlines) |
One-way from | $138 (American Airlines) |
Popular in | March |
Cheapest in | January |
Average price | $564 |
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 4, 2026.
Use the filters below to find and compare flights from Portland to Charleston that are best for you.
Fly from
Fly to
Route
Depart
Return
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Tue 4/21
8:05 am-6:59 pm
1 stop7h 54m
Charleston
Tue 5/5
4:01 pm-9:09 pm
1 stop8h 08m
$275
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Sat 4/18
10:55 pm-8:51 am
1 stop6h 56m
Charleston
Sat 4/25
5:20 am-10:41 am
1 stop8h 21m
$275
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Tue 5/19
5:00 am-2:59 pm
1 stop6h 59m
Charleston
Fri 5/29
3:08 pm-10:55 pm
2 stops10h 47m
$310
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Tue 4/14
6:40 am-6:35 pm
2 stops8h 55m
Charleston
Sat 4/18
10:55 am-6:45 pm
2 stops10h 50m
$326
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Mon 3/30
11:55 pm-3:50 pm
1 stop12h 55m
Charleston
Wed 4/1
4:35 pm-11:10 pm
1 stop9h 35m
$351
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Fri 5/1
8:05 am-9:55 pm
2 stops10h 50m
Charleston
Tue 5/5
7:15 am-8:45 pm
2 stops16h 30m
$363
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Fri 5/1
6:05 pm-10:09 am
2 stops13h 04m
Charleston
Fri 5/8
6:15 am-10:11 am
1 stop6h 56m
$382
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Sat 4/18
6:00 am-6:05 pm
2 stops9h 05m
Charleston
Sat 4/25
12:40 pm-10:00 pm
2 stops12h 20m
$385
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Tue 4/14
5:35 pm-10:23 am
2 stops13h 48m
Charleston
Sat 4/18
8:00 am-6:08 pm
3 stops13h 08m
$391
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Thu 5/28
5:10 am-9:30 pm
2 stops13h 20m
Charleston
Mon 6/1
5:45 pm-12:25 am
2 stops9h 40m
$425
Showing 1-10 of 20 resultsSorted by cheapest first
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.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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.
PDX-CHS
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 February 27, 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 $334). 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 March 4, 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.
Comfort
7.8
Entertainment
7.0
Overall
8.0
Food
7.1
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Entertainment
7.0
Overall
8.0
Food
7.1
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Entertainment
7.0
Overall
8.0
Food
7.1
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Entertainment
7.0
Overall
8.0
Food
7.1
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Entertainment
7.0
Overall
8.0
Food
7.1
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Entertainment
7.0
Overall
8.0
Food
7.1
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
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.
Traveling to a place near Charleston?
Book flights to Charleston if you plan to visit one of these locationsNorth Charleston
Santee
Summerville
Walterboro
Isle of Palms
Mount Pleasant
Edisto Beach
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Alternative routes for Portland to Charleston
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Other flights to Charleston
Explore flights to Charleston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 4, 2026.
Complete your trip
Complete your trip to Charleston by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Portland to Charleston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Charleston flights
Browse other Portland and Charleston flight options. Last updated on March 4, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on March 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 March 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$162 | Average$378 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$254 | Average$453 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$293 | Average$460 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$298 | Average$516 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$329 | Average$557 | FlexibilityNo cancel fee | On-time63% |