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$150+ Cheap flights from Charleston to Portland (CHS - PDX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — PDX
May 19 — May 261
Mon 5/19
Mon 5/26
1 adult, Economy
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Cheapflights Tip: The best prices from Charleston to Portland are usually found in January or March, booked 29 days in advance, depart on a Friday or Saturday and return on a Tuesday

Cheap flight deals from Charleston to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Priceline
3 stars

Round-trip from

$255
(Delta)

One-way from

$150
(Delta)

Popular in

May

Cheapest in

January

Average price

$650
Provider with most accurate pricing for Charleston-Portland flight deals.
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Provider most trusted by Cheapflights users for Charleston-Portland flights.
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From Charleston to Portland
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One-way flight from Charleston to Portland
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Highest demand for flights based on searches. 13% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Charleston to Portland

Cheapest flights from Charleston to Portland
Explore the most affordable flight options available from Charleston to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 14, 2025.

This Delta deal was found by Cheapflights users on 5/13. 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 7/93:01 pmCHS - PDX
1 stop9h 48mDelta
Wed 7/169:30 pmPDX - CHS
1 stop8h 10mDelta
Deal found 5/13$255
This American Airlines deal was found by Cheapflights users on 5/13. 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 7/197:07 pmCHS - PDX
1 stop8h 20mAmerican Airlines
Fri 7/2512:59 amPDX - CHS
1 stop7h 58mAmerican Airlines
Deal found 5/13$305
This Mytrip deal was found by Cheapflights users on 5/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/63:35 pmCHS - PDX
2 stops28h 10mSpirit Airlines
Wed 6/115:40 pmPDX - CHS
2 stops25h 49mSpirit Airlines
Deal found 5/13$339
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:14 pmCHS - PDX
1 stop16h 46mAlaska Airlines
Sun 10/1910:00 pmPDX - CHS
1 stop17h 14mAlaska Airlines
Deal found 5/12$348
This United Airlines deal was found by Cheapflights users on 5/13. 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 7/164:27 pmCHS - PDX
1 stop8h 49mUnited Airlines
Tue 7/296:43 pmPDX - CHS
2 stops12h 31mUnited Airlines
Deal found 5/13$360
This Mytrip deal was found by Cheapflights users on 5/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/44:37 pmCHS - PDX
2 stops27h 08mMultiple Airlines
Tue 6/101:37 pmPDX - CHS
3 stops30h 20mMultiple Airlines
Deal found 5/13$442
This Southwest deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:10 amCHS - PDX
2 stops12h 15mSouthwest
Sun 11/305:15 amPDX - CHS
1 stop12h 20mSouthwest
Deal found 5/13$757

Cheapflights Fare Finder

Customize your flight search to find flights from Charleston to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 14, 2025.
Use the filters below to find and compare flights from Charleston to Portland that are best for you.

Fly from

Charleston

Fly to

Portland

Route

Depart

Return

Price

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Wed 7/16

5:14 pm-11:59 pm

1 stop9h 45m

Portland

Tue 7/29

2:05 pm-11:59 pm

1 stop6h 54m

$255

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Sat 7/19

7:07 pm-12:27 am

1 stop8h 20m

Portland

Fri 7/25

12:59 am-11:57 am

1 stop7h 58m

$305

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Fri 6/6

3:35 pm-4:45 pm

2 stops28h 10m

Portland

Wed 6/11

5:40 pm-10:29 pm

2 stops25h 49m

$339

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Wed 7/16

4:27 pm-12:35 am

2 stops11h 08m

Portland

Wed 7/23

11:20 pm-10:14 am

1 stop7h 54m

$360

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Mon 7/7

3:05 pm-11:17 am

3 stops23h 12m

Portland

Sat 7/12

2:55 pm-9:45 am

3 stops39h 50m

$448

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Thu 6/5

4:59 pm-9:44 pm

1 stop7h 45m

$150

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Thu 6/5

4:17 pm-12:30 am

2 stops11h 13m

$205

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Charleston-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Charleston-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Charleston-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Charleston-Portland flights, Cheapflights users trust Priceline the most. Priceline has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Charleston-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Charleston to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Charleston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Charleston to Portland

How far ahead should I book a flight from Charleston to Portland?

Use this chart to determine the optimal time to book a round-trip flight from Charleston to Portland. Price data was last updated on May 9, 2025.

To ensure you get the cheapest price possible for a flight from Charleston to Portland, you should look to book at least 29 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Charleston to Portland?

Currently, November is the cheapest month in which you can book a flight from Charleston to Portland (average of $277). Flying from Charleston to Portland in March is currently the most expensive (average of $369). 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 PDX?

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 May 14, 2025.

When flying from Charleston to Portland, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 17% versus a flight in the morning.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 May 14, 2025.
To help decide which airline to fly from Charleston to Portland, see what other customers have to say about Delta, United Airlines and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,949 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,949 reviews
Delta
8.0
Very good
7,949 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,726 reviews
Delta
8.0
Very good
7,949 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,949 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
7,988 reviews
Delta
8.0
Very good
7,949 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Charleston to Portland round-trip?

    Our cheapest airline available from Charleston to Portland is Delta. Our recent data shows that you can find tickets from as low as $255 on this airline. Additional options worth looking into are American Airlines and Spirit Airlines, starting at $305 and $339 round-trip. Delta is priced at 42% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Charleston to Portland that include hotel bookings?

    Yes. In addition to deals on Charleston to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Charleston to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charleston to Portland.

  • Can I find deals for business class flights from Charleston to Portland?

    Yes. Cheapflights offers flight deals from Charleston to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Charleston to Portland?

    Currently, November is the cheapest month in which you can book a flight from Charleston to Portland (average of $277). Flying from Charleston to Portland in March is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Charleston?

Book flights to Charleston if you plan to visit one of these locations
Seaside
Lincoln City
Beaverton
Clackamas
Vancouver
McMinnville
Lake Oswego
Hillsboro
Gresham
Astoria
Long Beach
Cannon Beach
Tigard
Hood River
Woodburn
Depoe Bay
Pacific City
Stevenson
Troutdale
Wilsonville

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Charleston to Portland

Discover the top 6 airlines that operate flights from Charleston to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$121Average$254FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$254Average$445FlexibilityNo cancel feeOn-time69%
DeltaCheapest$254Average$520FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$289Average$507FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$297Average$495FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$310Average$445FlexibilityNo cancel feeOn-time71%

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