$115+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — CHS
Jul 10 — Jul 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 June 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 June 10, 2026.
This Delta deal was found by Cheapflights users on 6/9. 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.
Tue 8/410:35 pm
PDX
- CHS
1 stop10h 32m
Delta
Tue 8/113:14 pm
CHS
- PDX
1 stop8h 03m
Delta
Deal found 6/9![Delta logo]()
$229
This Delta deal was found by Cheapflights users on 6/9. 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.
Tue 11/311:55 am
PDX
- CHS
1 stop7h 16m
Delta
Sat 11/76:30 am
CHS
- PDX
1 stop7h 26m
Delta
Deal found 6/9![Delta logo]()
$251
This Delta deal was found by Cheapflights users on 6/8. 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 8/410:35 pm
PDX
- CHS
1 stop10h 32m
Delta
Mon 8/106:15 am
CHS
- PDX
1 stop7h 12m
Delta
Deal found 6/8![Delta logo]()
$252
This Delta deal was found by Cheapflights users on 6/9. 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 8/2010:55 pm
PDX
- CHS
1 stop7h 03m
Delta
Mon 8/241:01 pm
CHS
- PDX
1 stop8h 54m
Delta
Deal found 6/9![Delta logo]()
$275
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Wed 8/1910:35 am
PDX
- CHS
1 stop7h 59m
United Airlines
Fri 8/214:30 pm
CHS
- PDX
1 stop7h 35m
United Airlines
Deal found 6/8![United Airlines logo]()
$308
This Orbitz deal was found by Cheapflights users on 6/9. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:15 am
PDX
- CHS
2 stops13h 42m
Alaska Airlines
Mon 11/165:55 pm
CHS
- PDX
1 stop8h 05m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$330
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:40 am
PDX
- CHS
1 stop7h 45m
Southwest
Wed 9/21:15 pm
CHS
- PDX
2 stops9h 35m
Southwest
Deal found 6/9![Southwest logo]()
$331
This United Airlines deal was found by Cheapflights users on 6/8. 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 8/411:30 pm
PDX
- CHS
1 stop7h 41m
United Airlines
Tue 8/116:30 am
CHS
- PDX
1 stop7h 58m
United Airlines
Deal found 6/8![United Airlines logo]()
$332
This Delta deal was found by Cheapflights users on 6/9. 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.
Sun 11/89:45 pm
PDX
- CHS
1 stop8h 57m
Delta
Mon 11/164:30 pm
CHS
- PDX
1 stop8h 56m
Delta
Deal found 6/9![Delta logo]()
$335
This United Airlines deal was found by Cheapflights users on 6/8. 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.
Sat 8/811:40 pm
PDX
- CHS
1 stop7h 43m
United Airlines
Sat 8/157:00 am
CHS
- PDX
1 stop7h 59m
United Airlines
Deal found 6/8![United Airlines logo]()
$340
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 June 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 June 10, 2026.
This Delta deal was found by Cheapflights users on 6/9. 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.
Tue 11/311:55 am
PDX
- CHS
1 stop7h 16m
Delta
Sat 11/76:30 am
CHS
- PDX
1 stop7h 26m
Delta
Deal found 6/9![Delta logo]()
$251
This United Airlines deal was found by Cheapflights users on 6/8. 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 8/411:30 pm
PDX
- CHS
1 stop7h 41m
United Airlines
Tue 8/116:30 am
CHS
- PDX
1 stop7h 58m
United Airlines
Deal found 6/8![United Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:45 am
PDX
- CHS
1 stop7h 05m
Southwest
Mon 11/166:35 am
CHS
- PDX
2 stops9h 35m
Southwest
Deal found 6/8![Southwest logo]()
$357
This Delta deal was found by Cheapflights users on 6/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/911:37 am
PDX
- CHS
1 stop9h 49m
Delta
Sat 7/115:00 pm
CHS
- PDX
1 stop7h 44m
Delta
Deal found 6/7![Delta logo]()
$372
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 8/257:16 am
PDX
- CHS
2 stops13h 43m
United Airlines
Wed 8/2610:19 am
CHS
- PDX
2 stops15h 33m
United Airlines
Deal found 6/9![United Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 6/9. 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 8/2011:02 pm
PDX
- CHS
2 stops12h 33m
United Airlines
Mon 8/2410:14 am
CHS
- PDX
2 stops15h 38m
United Airlines
Deal found 6/9![United Airlines logo]()
$395
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/249:20 pm
PDX
- CHS
1 stop9h 35m
Southwest
Fri 7/315:40 pm
CHS
- PDX
2 stops9h 55m
Southwest
Deal found 6/9![Southwest logo]()
$435
This Delta deal was found by Cheapflights users on 6/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:55 pm
PDX
- CHS
1 stop7h 03m
Delta
Mon 8/245:06 pm
CHS
- PDX
1 stop7h 38m
Delta
Deal found 6/5![Delta logo]()
$405
This Southwest deal was found by Cheapflights users on 6/7. 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.
Thu 7/99:20 pm
PDX
- CHS
1 stop9h 35m
Southwest
Sat 7/114:05 pm
CHS
- PDX
2 stops10h 25m
Southwest
Deal found 6/7![Southwest logo]()
$440
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2711:30 pm
PDX
- CHS
2 stops11h 00m
Southwest
Wed 8/57:35 am
CHS
- PDX
1 stop8h 00m
Southwest
Deal found 6/8![Southwest logo]()
$442
Last-minute flights from Portland to CharlestonDiscover last-minute flight deals from Portland to Charleston. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Charleston. Data last updated June 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/114:06 pm
PDX
- CHS
1 stop25h 34m
Allegiant Air
Sat 6/203:50 pm
CHS
- PDX
1 stop24h 58m
Allegiant Air
Deal found 6/5![Allegiant Air logo]()
$397
This United Airlines deal was found by Cheapflights users on 6/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1611:30 pm
PDX
- CHS
2 stops11h 46m
United Airlines
Sat 6/207:15 am
CHS
- PDX
1 stop7h 41m
United Airlines
Deal found 6/5![United Airlines logo]()
$410
This Delta deal was found by Cheapflights users on 6/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1910:55 pm
PDX
- CHS
1 stop7h 40m
Delta
Mon 6/221:11 pm
CHS
- PDX
1 stop8h 38m
Delta
Deal found 6/7![Delta logo]()
$395
This Southwest deal was found by Cheapflights users on 6/7. 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 7/79:20 pm
PDX
- CHS
1 stop9h 50m
Southwest
Mon 7/135:40 pm
CHS
- PDX
1 stop8h 10m
Southwest
Deal found 6/7![Southwest logo]()
$372
This Southwest deal was found by Cheapflights users on 6/6. 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 7/79:20 pm
PDX
- CHS
1 stop9h 50m
Southwest
Sat 7/114:05 pm
CHS
- PDX
2 stops10h 25m
Southwest
Deal found 6/6![Southwest logo]()
$412
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Thu 7/99:47 pm
PDX
- CHS
1 stop9h 20m
American Airlines
Sat 7/117:12 pm
CHS
- PDX
1 stop8h 43m
American Airlines
Deal found 6/6![American Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 6/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/102:08 pm
PDX
- CHS
1 stop7h 18m
Delta
Thu 7/235:00 pm
CHS
- PDX
1 stop7h 44m
Delta
Deal found 6/5![Delta logo]()
$405
This Delta deal was found by Cheapflights users on 6/9. 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.
Wed 7/226:35 am
PDX
- CHS
1 stop7h 41m
Delta
Mon 7/275:00 pm
CHS
- PDX
1 stop7h 44m
Delta
Deal found 6/9![Delta logo]()
$414
This Delta deal was found by Cheapflights users on 6/8. 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 7/2710:40 pm
PDX
- CHS
1 stop10h 09m
Delta
Wed 8/55:10 am
CHS
- PDX
1 stop8h 17m
Delta
Deal found 6/8![Delta logo]()
$368
This American Airlines deal was found by Cheapflights users on 6/8. 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.
Wed 7/2911:54 am
PDX
- CHS
1 stop8h 01m
American Airlines
Sat 8/17:12 pm
CHS
- PDX
1 stop8h 43m
American Airlines
Deal found 6/8![American Airlines logo]()
$377
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 June 10, 2026.
Search for one-way flight options from Portland to Charleston. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:45 pm
PDX
- CHS
1 stop8h 20m
Southwest
Deal found 6/8![Southwest logo]()
$115
This Delta deal was found by Cheapflights users on 6/9. 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.
Tue 9/810:05 pm
PDX
- CHS
1 stop10h 41m
Delta
Deal found 6/9![Delta logo]()
$129
This deal was found by Cheapflights users on 6/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:20 am
PDX
- CHS
1 stop8h 46m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$137
This Delta deal was found by Cheapflights users on 6/9. 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.
Sat 8/152:08 pm
PDX
- CHS
1 stop6h 51m
Delta
Deal found 6/9![Delta logo]()
$155
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:00 am
PDX
- CHS
2 stops10h 25m
Southwest
Deal found 6/9![Southwest logo]()
$160
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:50 am
PDX
- CHS
2 stops10h 55m
Southwest
Deal found 6/9![Southwest logo]()
$180
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Sat 7/2510:40 pm
PDX
- CHS
1 stop8h 43m
United Airlines
Deal found 6/9![United Airlines logo]()
$187
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/69:20 pm
PDX
- CHS
1 stop9h 50m
Southwest
Deal found 6/8![Southwest logo]()
$198
This United Airlines deal was found by Cheapflights users on 6/6. 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 7/2810:40 pm
PDX
- CHS
2 stops12h 47m
United Airlines
Deal found 6/6![United Airlines logo]()
$208
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:25 pm
PDX
- CHS
2 stops12h 35m
Southwest
Deal found 6/8![Southwest logo]()
$238
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 June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $229 (Delta) |
One-way from | $115 (Southwest) |
Popular in | March |
Cheapest in | September |
Average price | $548 |
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 June 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 11/3
11:55 am-10:11 pm
1 stop7h 16m
Charleston
Sat 11/7
6:30 am-10:56 am
1 stop7h 26m
$251
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Tue 8/4
11:30 pm-10:11 am
1 stop7h 41m
Charleston
Tue 8/11
6:30 am-11:28 am
1 stop7h 58m
$332
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Mon 11/9
5:45 am-3:50 pm
1 stop7h 05m
Charleston
Mon 11/16
6:35 am-1:10 pm
2 stops9h 35m
$357
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Thu 7/9
11:37 am-12:26 am
1 stop9h 49m
Charleston
Sat 7/11
5:00 pm-9:44 pm
1 stop7h 44m
$372
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Tue 8/25
7:16 am-11:59 pm
2 stops13h 43m
Charleston
Wed 8/26
10:19 am-10:52 pm
2 stops15h 33m
$378
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Thu 8/20
11:02 pm-2:35 pm
2 stops12h 33m
Charleston
Mon 8/24
10:14 am-10:52 pm
2 stops15h 38m
$395
Quickest round-trip
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Thu 8/20
10:55 pm-8:58 am
1 stop7h 03m
Charleston
Mon 8/24
5:06 pm-9:44 pm
1 stop7h 38m
$405
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Fri 7/24
9:20 pm-9:55 am
1 stop9h 35m
Charleston
Fri 7/31
5:40 pm-12:35 am
2 stops9h 55m
$435
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Thu 7/9
9:20 pm-9:55 am
1 stop9h 35m
Charleston
Sat 7/11
4:05 pm-11:30 pm
2 stops10h 25m
$440
PortlandCharleston
PDX - CHS
PDXCHS
Portland
Mon 7/27
11:30 pm-1:30 pm
2 stops11h 00m
Charleston
Wed 8/5
7:35 am-12:35 pm
1 stop8h 00m
$442
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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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?
The best time to book flights from Portland to Charleston is 45 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 $305). Flying from Portland to Charleston in March is currently the most expensive (average of $691). 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 Portland to Charleston?
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 June 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.
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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
Goose Creek
Edisto Beach
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.
Alternative routes
Charleston flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Portland
Popular flights
Alternative routes for Portland to Charleston
See prices for flight routes from nearby airports that may be better suited for you.
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 June 10, 2026.
Complete your trip
Complete your trip to Charleston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Charleston by cabin class
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 June 10, 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 June 10, 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 June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$239 | Average$436 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$254 | Average$467 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$298 | Average$488 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$304 | Average$470 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$394 | Average$579 | FlexibilityNo cancel fee | On-time63% |