$69+ Cheap flights from Charleston to Portland, ME (CHS - PWM)
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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — PWM
Oct 1 — Oct 81
Round-trip
1 adult, Economy
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Find cheap flights from Charleston to Portland 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.Cheapflights Tip: The best prices from Charleston to Portland are usually found in January or April, booked 11 days in advance, depart on a Tuesday or Friday and return on a Tuesday
Cheap flight deals from Charleston to Portland
Cheapest
Best
Last-minute
One-way
Cheapest flights from Charleston to PortlandExplore 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 September 1, 2026.
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 September 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/29. 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.
Mon 11/22:30 pm -
Nonstop2h 25m
Mon 11/95:35 pm -
Nonstop2h 43m
Deal found 8/29![Breeze Airways logo]()
$138
This Breeze Airways deal was found by Cheapflights users on 8/31. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/232:30 pm -
Nonstop2h 25m
Mon 10/265:35 pm -
Nonstop2h 43m
Deal found 8/31![Breeze Airways logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/16:54 pm -
Nonstop2h 25m
Wed 9/305:19 pm -
Nonstop2h 43m
Deal found 8/30![Breeze Airways logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/16:54 pm -
Nonstop2h 25m
Wed 9/26:30 pm -
Nonstop2h 35m
Deal found 8/31![Breeze Airways logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Wed 9/302:09 pm -
Nonstop2h 25m
Wed 10/75:19 pm -
Nonstop2h 43m
Deal found 9/1![Breeze Airways logo]()
$207
This Breeze Airways deal was found by Cheapflights users on 8/31. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/313:24 pm -
Nonstop2h 25m
Wed 9/26:30 pm -
Nonstop2h 35m
Deal found 8/31![Breeze Airways logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Mon 10/52:30 pm -
Nonstop2h 25m
Wed 10/75:19 pm -
Nonstop2h 43m
Deal found 9/1![Breeze Airways logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 8/31. 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.
Mon 10/192:30 pm -
Nonstop2h 25m
Mon 10/265:35 pm -
Nonstop2h 43m
Deal found 8/31![Breeze Airways logo]()
$237
Best flights from Charleston to PortlandDiscover carefully curated flight deals from Charleston to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.
Discover carefully curated flight deals from Charleston to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/52:54 pm -
1 stop4h 24m
Wed 9/96:00 am -
1 stop7h 58m
Deal found 8/28![United Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 9/1. 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.
Wed 9/305:35 pm -
1 stop5h 53m
Wed 10/76:28 am -
1 stop7h 32m
Deal found 9/1![Delta logo]()
$327
This Southwest deal was found by Cheapflights users on 8/31. 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 10/191:25 pm -
2 stops10h 30m
Mon 10/265:20 am -
2 stops10h 45m
Deal found 8/31![Southwest logo]()
$421
This Delta deal was found by Cheapflights users on 9/1. 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.
Thu 11/55:40 pm -
1 stop6h 30m
Mon 11/96:00 am -
1 stop5h 42m
Deal found 9/1![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Fri 10/167:53 pm -
1 stop4h 06m
Sun 10/185:15 am -
1 stop4h 47m
Deal found 9/1![United Airlines logo]()
$401
This Delta deal was found by Cheapflights users on 8/27. 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.
Wed 9/95:33 pm -
1 stop6h 23m
Tue 9/156:02 am -
1 stop6h 09m
Deal found 8/27![Delta logo]()
$397
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Fri 9/112:54 pm -
2 stops8h 38m
Mon 9/146:53 pm -
1 stop5h 06m
Deal found 8/30![United Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 8/31. 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 9/225:35 pm -
1 stop5h 53m
Sat 9/266:02 am -
1 stop6h 09m
Deal found 8/31![Delta logo]()
$411
Last-minute flights from Charleston to PortlandDiscover last-minute flight deals from Charleston to Portland. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from Charleston to Portland. Data last updated September 1, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 9/16:54 pm -
Nonstop2h 25m
Wed 9/305:19 pm -
Nonstop2h 43m
Deal found 8/30![Breeze Airways logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 9/16:54 pm -
Nonstop2h 25m
Wed 9/26:30 pm -
Nonstop2h 35m
Deal found 8/31![Breeze Airways logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Wed 9/302:09 pm -
Nonstop2h 25m
Wed 10/75:19 pm -
Nonstop2h 43m
Deal found 9/1![Breeze Airways logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Wed 9/302:09 pm -
Nonstop2h 25m
Fri 10/95:35 pm -
Nonstop2h 43m
Deal found 9/1![Breeze Airways logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Fri 10/22:30 pm -
Nonstop2h 25m
Fri 10/95:35 pm -
Nonstop2h 43m
Deal found 9/1![Breeze Airways logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Mon 10/52:30 pm -
Nonstop2h 25m
Wed 10/75:19 pm -
Nonstop2h 43m
Deal found 9/1![Breeze Airways logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 8/31. 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.
Mon 10/192:30 pm -
Nonstop2h 25m
Mon 10/265:35 pm -
Nonstop2h 43m
Deal found 8/31![Breeze Airways logo]()
$237
This Breeze Airways deal was found by Cheapflights users on 8/31. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/232:30 pm -
Nonstop2h 25m
Mon 10/265:35 pm -
Nonstop2h 43m
Deal found 8/31![Breeze Airways logo]()
$153
One-way flights from Charleston to PortlandSearch for one-way flight options from Charleston to Portland. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
Search for one-way flight options from Charleston to Portland. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 10/142:09 pm -
Nonstop2h 25m
Deal found 8/28![Breeze Airways logo]()
$69
This Super.com deal was found by Cheapflights users on 9/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:09 pm -
Nonstop2h 25m
Deal found 9/1![Breeze Airways logo]()
$74
This Super.com deal was found by Cheapflights users on 9/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:09 pm -
Nonstop2h 25m
Deal found 9/1![Breeze Airways logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Fri 9/252:30 pm -
Nonstop2h 25m
Deal found 9/1![Breeze Airways logo]()
$113
This Breeze Airways deal was found by Cheapflights users on 9/1. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/92:30 pm -
Nonstop2h 25m
Deal found 9/1![Breeze Airways logo]()
$119
This Breeze Airways deal was found by Cheapflights users on 8/28. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/151:55 pm -
Nonstop2h 25m
Deal found 8/28![Breeze Airways logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 11/186:00 am -
1 stop11h 51m
Deal found 8/31![Breeze Airways logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 10/133:00 pm -
1 stop18h 08m
Deal found 8/28![Breeze Airways logo]()
$151
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 (PWM). 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 September 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $138 (Kiwi.com) |
One-way from | $69 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $347 |
Good round-trip deal | $143 or less |
Good one-way deal | $124 or less |
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 7,457,451 searches. Data last updated September 1, 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
Cheapest round-trip
CharlestonPortland
CHS Charleston - PWM Portland
CHSPWM
Charleston
Sat 9/5
2:54 pm-7:18 pm
1 stop4h 24m
Portland
Wed 9/9
6:00 am-1:58 pm
1 stop7h 58m
$315
CharlestonPortland
CHS Charleston - PWM Portland
CHSPWM
Charleston
Wed 9/30
5:35 pm-11:28 pm
1 stop5h 53m
Portland
Wed 10/7
6:28 am-2:00 pm
1 stop7h 32m
$327
CharlestonPortland
CHS Charleston - PWM Portland
CHSPWM
Charleston
Thu 11/5
5:40 pm-12:10 am
1 stop6h 30m
Portland
Mon 11/9
6:00 am-11:42 am
1 stop5h 42m
$339
CharlestonPortland
CHS Charleston - PWM Portland
CHSPWM
Charleston
Wed 9/9
5:33 pm-11:56 pm
1 stop6h 23m
Portland
Tue 9/15
6:02 am-12:11 pm
1 stop6h 09m
$397
Quickest round-trip
CharlestonPortland
CHS Charleston - PWM Portland
CHSPWM
Charleston
Fri 10/16
7:53 pm-11:59 pm
1 stop4h 06m
Portland
Sun 10/18
5:15 am-10:02 am
1 stop4h 47m
$401
CharlestonPortland
CHS Charleston - PWM Portland
CHSPWM
Charleston
Tue 9/22
5:35 pm-11:28 pm
1 stop5h 53m
Portland
Sat 9/26
6:02 am-12:11 pm
1 stop6h 09m
$411
CharlestonPortland
CHS Charleston - PWM Portland
CHSPWM
Charleston
Mon 10/19
1:25 pm-11:55 pm
2 stops10h 30m
Portland
Mon 10/26
5:20 am-4:05 pm
2 stops10h 45m
$421
CharlestonPortland
CHS Charleston - PWM Portland
CHSPWM
Charleston
Fri 9/11
2:54 pm-11:32 pm
2 stops8h 38m
Portland
Mon 9/14
6:53 pm-11:59 pm
1 stop5h 06m
$421
Cheapest one-way
Quickest one-way
CharlestonPortland
CHS Charleston - PWM Portland
CHSPWM
Charleston
Mon 2/15
1:55 pm-4:20 pm
Nonstop2h 25m
$129
CharlestonPortland
CHS Charleston - PWM Portland
CHSPWM
Charleston
Wed 11/18
6:00 am-5:51 pm
1 stop11h 51m
$143
Showing 1-10 of 15 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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 Charleston-Portland, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Charleston-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Charleston-Portland, Maine flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Charleston-Portland, Maine 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, Maine 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.
CHS-PWM
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, Maine?
To ensure you get the cheapest price possible for a flight from Charleston to Portland, Maine, you should look to book at least 10 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, Maine?
Currently, January is the cheapest month in which you can book a flight from Charleston to Portland, Maine (average of $98). Flying from Charleston to Portland, Maine in March is currently the most expensive (average of $452). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CHS to PWM?
Find hourly flight availability from Charleston to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 1, 2026.
When flying from Charleston to Portland, Maine, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 September 1, 2026.
Peruse reviews from past customers who have flown with Breeze Airways,Southwest, andDelta from Charleston to Portland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.7
Boarding
8.4
Crew
8.8
Overall
8.2
Comfort
8.2
Entertainment
6.7
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Food
6.7
Boarding
8.4
Crew
8.8
Overall
8.2
Comfort
8.2
Entertainment
6.7
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Food
6.7
Boarding
8.4
Crew
8.8
Overall
8.2
Comfort
8.2
Entertainment
6.7
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Food
6.7
Boarding
8.4
Crew
8.8
Overall
8.2
Comfort
8.2
Entertainment
6.7
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Food
6.7
Boarding
8.4
Crew
8.8
Overall
8.2
Comfort
8.2
Entertainment
6.7
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
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.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsNorth Conway
Lewiston
Brunswick
Conway
Browse thousands of different options on Cheapflights for your next trip
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Complete your trip to Portland by adding a car rental and/or hotel reservation to your travel itinerary.
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Charleston and Portland flights
Browse other Charleston and Portland flight options. Last updated on September 1, 2026.
Other flights from Charleston
Browse through other flights departing from Charleston. Flights are based on user searches made on Cheapflights and were last updated on September 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Portland
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 1, 2026.
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 7,457,451 searches. Data last updated September 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$83 | Average$209 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$109 | Average$286 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$276 | Average$386 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$277 | Average$452 | FlexibilityNo cancel fee | On-time63% |