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$128+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — PDX
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$255
(American Airlines)

One-way from

$128
(American Airlines)

Popular in

May

Cheapest in

January

Average price

$438
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. 11% potential increase in price ($58 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 June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 8/135:10 pmCHS - PDX
1 stop9h 10mAmerican Airlines
Sat 8/239:59 amPDX - CHS
1 stop9h 03mAmerican Airlines
Deal found 6/10$255
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/135:15 amCHS - PDX
2 stops10h 40mDelta
Fri 8/2212:46 amPDX - CHS
1 stop7h 00mDelta
Deal found 6/10$260
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/33:26 pmCHS - PDX
1 stop20h 06mAllegiant Air
Fri 8/89:22 amPDX - CHS
1 stop19h 44mAllegiant Air
Deal found 6/10$295
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:00 amCHS - PDX
2 stops10h 30mSouthwest
Wed 12/108:00 amPDX - CHS
2 stops9h 35mSouthwest
Deal found 6/10$307
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/142:28 pmCHS - PDX
2 stops21h 50mSpirit Airlines
Thu 7/1710:23 amPDX - CHS
2 stops20h 30mSpirit Airlines
Deal found 6/10$352
This United Airlines deal was found by Cheapflights users on 6/11. 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 10/154:35 pmCHS - PDX
1 stop7h 31mUnited Airlines
Sun 10/1911:59 pmPDX - CHS
1 stop7h 36mUnited Airlines
Deal found 6/11$366
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:14 pmCHS - PDX
2 stops21h 14mAlaska Airlines
Sun 10/191:25 pmPDX - CHS
1 stop25h 49mAlaska Airlines
Deal found 6/10$371
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Tue 6/247:03 amCHS - PDX
2 stops37h 41mMultiple Airlines
Tue 7/16:39 pmPDX - CHS
3 stops22h 55mMultiple Airlines
Deal found 6/11$376

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 June 12, 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 8/13

5:10 pm-11:20 pm

1 stop9h 10m

Portland

Sat 8/23

9:59 am-10:02 pm

1 stop9h 03m

$255

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Wed 8/13

5:15 am-12:55 pm

2 stops10h 40m

Portland

Fri 8/22

12:46 am-10:46 am

1 stop7h 00m

$260

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Sun 8/3

3:26 pm-8:32 am

1 stop20h 06m

Portland

Fri 8/8

9:22 am-8:06 am

1 stop19h 44m

$295

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Mon 7/14

2:28 pm-9:18 am

2 stops21h 50m

Portland

Thu 7/17

10:23 am-9:53 am

2 stops20h 30m

$352

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Sat 7/12

1:55 pm-8:55 pm

1 stop10h 00m

Portland

Wed 7/16

8:30 am-10:15 pm

2 stops10h 45m

$373

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Tue 6/24

7:03 am-5:44 pm

2 stops37h 41m

Portland

Tue 7/1

6:39 pm-8:34 pm

3 stops22h 55m

$376

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Thu 7/3

11:25 am-6:45 pm

1 stop10h 20m

Portland

Sat 7/5

10:54 am-9:33 pm

1 stop7h 39m

$415

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Sat 7/5

6:03 pm-6:19 am

2 stops15h 16m

Portland

Thu 7/10

5:35 pm-5:00 pm

1 stop20h 25m

$474

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Wed 8/6

5:10 pm-11:20 pm

1 stop9h 10m

$128

CharlestonPortland

CHS - PDX

CHSPDX

Charleston

Fri 9/5

6:17 pm-11:59 pm

1 stop8h 42m

$138

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 17 results
1
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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 June 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 $368). 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 June 12, 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 June 12, 2025.
To help decide which airline to fly from Charleston to Portland, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 American Airlines. Our recent data shows that you can find tickets from as low as $255 on this airline. Additional options worth looking into are Delta and Allegiant Air, starting at $260 and $295 round-trip. American Airlines is priced at 42% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Charleston to Portland one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $128. Users have also found prices from $138 and $139 on Alaska Airlines and Allegiant Air, respectively.

  • 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 $368). 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
Vancouver
Beaverton
Clackamas
Lincoln City
McMinnville
Lake Oswego
Hillsboro
Gresham
Astoria
Long Beach
Cannon Beach
Tigard
Longview
Hood River
Depoe Bay
Woodburn
Stevenson
Pacific City
Troutdale

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Charleston to Portland

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$121Average$268FlexibilityNo cancel feeOn-time65%
DeltaCheapest$253Average$493FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$254Average$419FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$289Average$511FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$297Average$485FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$310Average$446FlexibilityNo cancel feeOn-time71%

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