$148+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — CHS
Apr 9 — Apr 161
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Charleston with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Charleston
Cheapest
Best
Last-minute
One-way
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 10, 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 10, 2026.
This United Airlines deal was found by Cheapflights users on 3/7. 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 4/1410:50 am
PDX
- CHS
1 stop7h 35m
United Airlines
Sat 4/182:53 pm
CHS
- PDX
1 stop8h 49m
United Airlines
Deal found 3/7![United Airlines logo]()
$290
This American Airlines deal was found by Cheapflights users on 3/8. 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 4/1410:28 pm
PDX
- CHS
1 stop9h 06m
American Airlines
Sat 4/187:00 am
CHS
- PDX
1 stop8h 58m
American Airlines
Deal found 3/8![American Airlines logo]()
$302
This Southwest deal was found by Cheapflights users on 3/5. 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 4/145:40 am
PDX
- CHS
2 stops11h 20m
Southwest
Sat 4/1812:40 pm
CHS
- PDX
2 stops12h 25m
Southwest
Deal found 3/5![Southwest logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/44:06 pm
PDX
- CHS
1 stop25h 29m
Allegiant Air
Sat 6/138:48 pm
CHS
- PDX
1 stop20h 00m
Allegiant Air
Deal found 3/9![Allegiant Air logo]()
$309
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:56 am
PDX
- CHS
1 stop7h 45m
American Airlines
Wed 5/134:20 pm
CHS
- PDX
1 stop9h 30m
American Airlines
Deal found 3/9![American Airlines logo]()
$310
This American Airlines deal was found by Cheapflights users on 3/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2110:28 pm
PDX
- CHS
1 stop9h 06m
American Airlines
Sat 5/24:51 pm
CHS
- PDX
1 stop8h 58m
American Airlines
Deal found 3/10![American Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:51 pm
PDX
- CHS
2 stops12h 49m
Delta
Tue 5/126:00 am
CHS
- PDX
1 stop8h 46m
Delta
Deal found 3/9![Delta logo]()
$318
This United Airlines deal was found by Cheapflights users on 3/6. 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 4/711:59 pm
PDX
- CHS
1 stop9h 26m
United Airlines
Tue 4/142:58 pm
CHS
- PDX
1 stop8h 44m
United Airlines
Deal found 3/6![United Airlines logo]()
$320
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 10, 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 10, 2026.
This Southwest deal was found by Cheapflights users on 3/5. 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 4/145:40 am
PDX
- CHS
2 stops11h 20m
Southwest
Sat 4/1812:40 pm
CHS
- PDX
2 stops12h 25m
Southwest
Deal found 3/5![Southwest logo]()
$305
This United Airlines deal was found by Cheapflights users on 3/6. 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 4/711:59 pm
PDX
- CHS
1 stop9h 26m
United Airlines
Tue 4/142:58 pm
CHS
- PDX
1 stop8h 44m
United Airlines
Deal found 3/6![United Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 3/8. 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 4/148:15 pm
PDX
- CHS
2 stops10h 54m
Delta
Sat 4/185:20 am
CHS
- PDX
2 stops13h 18m
Delta
Deal found 3/8![Delta logo]()
$382
This Southwest deal was found by Cheapflights users on 3/6. 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 4/75:40 am
PDX
- CHS
1 stop12h 25m
Southwest
Tue 4/142:25 pm
CHS
- PDX
2 stops11h 45m
Southwest
Deal found 3/6![Southwest logo]()
$346
This United Airlines deal was found by Cheapflights users on 3/8. 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 5/1410:55 pm
PDX
- CHS
1 stop10h 22m
United Airlines
Mon 5/186:53 pm
CHS
- PDX
1 stop8h 02m
United Airlines
Deal found 3/8![United Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 3/7. 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 8/410:45 pm
PDX
- CHS
1 stop8h 20m
Southwest
Sat 8/87:35 am
CHS
- PDX
1 stop7h 55m
Southwest
Deal found 3/7![Southwest logo]()
$355
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Thu 6/411:30 pm
PDX
- CHS
1 stop7h 46m
United Airlines
Fri 6/1211:31 am
CHS
- PDX
1 stop10h 16m
United Airlines
Deal found 3/9![United Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:13 pm
PDX
- CHS
2 stops10h 25m
Delta
Tue 6/94:30 pm
CHS
- PDX
1 stop8h 33m
Delta
Deal found 3/9![Delta logo]()
$417
This Southwest deal was found by Cheapflights users on 3/7. 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 4/296:40 am
PDX
- CHS
2 stops8h 55m
Southwest
Sat 5/910:55 am
CHS
- PDX
2 stops12h 30m
Southwest
Deal found 3/7![Southwest logo]()
$366
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Sun 7/1211:40 pm
PDX
- CHS
1 stop7h 43m
United Airlines
Mon 7/206:00 am
CHS
- PDX
1 stop8h 38m
United Airlines
Deal found 3/9![United Airlines logo]()
$420
This Southwest deal was found by Cheapflights users on 3/6. 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 7/711:30 pm
PDX
- CHS
2 stops11h 00m
Southwest
Tue 7/146:35 am
CHS
- PDX
2 stops11h 05m
Southwest
Deal found 3/6![Southwest logo]()
$393
Last-minute flights from Portland to CharlestonDiscover last-minute flight deals from Portland to Charleston. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Charleston. Data last updated March 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 3/6. 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 4/711:59 pm
PDX
- CHS
1 stop9h 26m
United Airlines
Tue 4/142:58 pm
CHS
- PDX
1 stop8h 44m
United Airlines
Deal found 3/6![United Airlines logo]()
$320
This Delta deal was found by Cheapflights users on 3/8. 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 4/136:05 pm
PDX
- CHS
2 stops11h 46m
Delta
Tue 4/215:20 am
CHS
- PDX
1 stop8h 21m
Delta
Deal found 3/8![Delta logo]()
$318
This American Airlines deal was found by Cheapflights users on 3/6. 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 3/6![American Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 3/7. 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 4/1410:50 am
PDX
- CHS
1 stop7h 35m
United Airlines
Sat 4/182:53 pm
CHS
- PDX
1 stop8h 49m
United Airlines
Deal found 3/7![United Airlines logo]()
$290
This American Airlines deal was found by Cheapflights users on 3/8. 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 4/1410:28 pm
PDX
- CHS
1 stop9h 06m
American Airlines
Sat 4/187:00 am
CHS
- PDX
1 stop8h 58m
American Airlines
Deal found 3/8![American Airlines logo]()
$302
This Southwest deal was found by Cheapflights users on 3/5. 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 4/145:40 am
PDX
- CHS
2 stops11h 20m
Southwest
Sat 4/1812:40 pm
CHS
- PDX
2 stops12h 25m
Southwest
Deal found 3/5![Southwest logo]()
$305
This American Airlines deal was found by Cheapflights users on 3/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2110:28 pm
PDX
- CHS
1 stop9h 06m
American Airlines
Sat 5/24:51 pm
CHS
- PDX
1 stop8h 58m
American Airlines
Deal found 3/10![American Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 3/8. 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 4/276:05 pm
PDX
- CHS
2 stops11h 46m
Delta
Sat 5/26:25 am
CHS
- PDX
2 stops12h 13m
Delta
Deal found 3/8![Delta logo]()
$323
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 10, 2026.
Search for one-way flight options from Portland to Charleston. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This American Airlines deal was found by Cheapflights users on 3/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:28 pm
PDX
- CHS
1 stop9h 06m
American Airlines
Deal found 3/9![American Airlines logo]()
$148
This United Airlines deal was found by Cheapflights users on 3/8. 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 5/55:00 am
PDX
- CHS
2 stops10h 59m
United Airlines
Deal found 3/8![United Airlines logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 4/2611:15 am
PDX
- CHS
2 stops50h 07m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 4/2512:27 pm
PDX
- CHS
3 stops43h 41m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$156
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/168:40 am
PDX
- CHS
1 stop7h 51m
United Airlines
Deal found 3/10![United Airlines logo]()
$158
This Delta deal was found by Cheapflights users on 3/8. 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 4/2712:30 am
PDX
- CHS
1 stop8h 16m
Delta
Deal found 3/8![Delta logo]()
$163
This Delta deal was found by Cheapflights users on 3/8. 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 5/1310:52 am
PDX
- CHS
2 stops10h 07m
Delta
Deal found 3/8![Delta logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Wed 5/61:48 pm
PDX
- CHS
3 stops42h 03m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$173
This American Airlines deal was found by Cheapflights users on 3/6. 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 3/6![American Airlines logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/214:06 pm
PDX
- CHS
1 stop25h 34m
Allegiant Air
Deal found 3/9![Allegiant Air logo]()
$180
This United Airlines deal was found by Cheapflights users on 3/7. 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 5/177:05 pm
PDX
- CHS
2 stops12h 08m
United Airlines
Deal found 3/7![United Airlines logo]()
$183
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 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $290 (United Airlines) |
One-way from | $148 (United Airlines) |
Popular in | March |
Cheapest in | January |
Average price | $632 |
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 10, 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
Cheapest round-trip
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Tue 4/14
5:40 am-8:00 pm
2 stops11h 20m
Charleston
Sat 4/18
12:40 pm-10:05 pm
2 stops12h 25m
$305
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Tue 4/7
11:59 pm-12:25 pm
1 stop9h 26m
Charleston
Tue 4/14
2:58 pm-8:42 pm
1 stop8h 44m
$320
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Tue 4/7
5:40 am-9:05 pm
1 stop12h 25m
Charleston
Tue 4/14
2:25 pm-11:10 pm
2 stops11h 45m
$346
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Thu 5/14
10:55 pm-12:17 pm
1 stop10h 22m
Charleston
Mon 5/18
6:53 pm-11:55 pm
1 stop8h 02m
$355
Quickest round-trip
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Tue 8/4
10:45 pm-10:05 am
1 stop8h 20m
Charleston
Sat 8/8
7:35 am-12:30 pm
1 stop7h 55m
$355
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Wed 4/29
6:40 am-6:35 pm
2 stops8h 55m
Charleston
Sat 5/9
10:55 am-8:25 pm
2 stops12h 30m
$366
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Thu 6/4
11:30 pm-10:16 am
1 stop7h 46m
Charleston
Fri 6/12
11:31 am-6:47 pm
1 stop10h 16m
$375
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Tue 4/14
8:15 pm-10:09 am
2 stops10h 54m
Charleston
Sat 4/18
5:20 am-3:38 pm
2 stops13h 18m
$382
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Tue 7/7
11:30 pm-1:30 pm
2 stops11h 00m
Charleston
Tue 7/14
6:35 am-2:40 pm
2 stops11h 05m
$393
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Thu 6/4
8:13 pm-9:38 am
2 stops10h 25m
Charleston
Tue 6/9
4:30 pm-10:03 pm
1 stop8h 33m
$417
Showing 1-10 of 21 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 March 6, 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, May is the cheapest month in which you can book a flight from Portland to Charleston (average of $171). 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 10, 2026.
Read reviews from past customers who have flown Alaska Airlines,Southwest, andDelta 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.
Crew
8.5
Boarding
8.1
Overall
8.0
Comfort
7.8
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Boarding
8.1
Overall
8.0
Comfort
7.8
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Boarding
8.1
Overall
8.0
Comfort
7.8
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Boarding
8.1
Overall
8.0
Comfort
7.8
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Boarding
8.1
Overall
8.0
Comfort
7.8
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Boarding
8.1
Overall
8.0
Comfort
7.8
Entertainment
7.0
Food
7.1
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
Walterboro
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Mount Pleasant
Edisto Beach
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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 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$162 | Average$380 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$276 | Average$454 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$284 | Average$470 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$298 | Average$525 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$329 | Average$558 | FlexibilityNo cancel fee | On-time63% |