Cheap flights from Charleston to Seattle (CHS - SEA) from $72

This is the cheapest one-way flight price, found on 9/25. Prices may vary by date and flight preferences.
CHS — SEA
Oct 1 — Oct 81

The best prices from Charleston to Seattle/Tacoma Intl are usually found in November or January, booked 54 days in advance, depart on a Wednesday or Thursday and return on a Monday

How to find the cheapest flight from Charleston (CHS) to Seattle (SEA)

All the information you need to plan the best CHS to SEA flight in 2023: compare Charleston to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.

Popular in

June

Cheapest in

November

Round-trip from

$237

One-way from

$128
High demand for flights, 31% potential price rise
Best time to find cheap flights, 33% potential price drop
From Charleston to Seattle/Tacoma Intl
One-way flight from Charleston to Seattle/Tacoma Intl

CHS - SEA

Price

$237 - $458

SEA

Temperature

41 - 66.2 °F

SEA

Rainfall

0.7 - 6.6 inches

What is the cheapest day to fly round-trip from Charleston to Seattle?

Users have found that flying from Charleston to Seattle on a Sunday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Charleston to Seattle?

To save up to 57% on this flight, we recommend booking at least 54 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Charleston to Seattle from $510 1-2 weeks out and tickets from $610 for flights departing within the next 72 hours.

What is the cheapest month to fly from Charleston to Seattle?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, November can be a great choice for travel to Seattle. Flights to Seattle from Charleston in November are about $428 on average during November, but can be found for as low as $151.

When is the cheapest time to fly from Charleston to Seattle (CHS - SEA)?

A simple way to save on the total cost of your ticket is to fly from Charleston to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight in the afternoon.

Cheap Spirit Airlines flights from Charleston to Seattle

Find some of the cheapest Spirit Airlines flights traveling from Charleston to Seattle. Deals update often to give you more flight options matching your criteria

Cheap American Airlines flights from Charleston to Seattle

Have a look at some of the cheapest available American Airlines flights departing from Charleston and landing in Seattle. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.

Cheap Charleston to Seattle flights in September & October 2023

The best prices found for CHS to SEA flights for September, October
These are some of the best deals we've found on flights to Seattle in 2023 at this time. Check back soon for alternative fares.

Charleston to Seattle 2023 flight deals

Cheap flights to Seattle from Charleston found for this year
These are some of the best deals we've found on flights to Seattle in 2023 at this time. Check back soon for alternative fares.

Non-stop flights to Seattle from Charleston

Save time with Charleston to Seattle direct flight deals
For a quicker trip, book one of these direct flights from Charleston to Seattle. Search for alternative flights from Charleston to Seattle by utilizing the search form above.

Charleston to Seattle flights leaving soon

Late deals on return flights to Seattle from Charleston, departing today and this week
Have a look at some of the flights available from Charleston to Seattle departing last-minute. It's wise to confirm all flight details are correct before booking.

One-way flights to Seattle from Charleston

The cheapest one-way flights from Charleston to Seattle
Some of the best available deals we've found on one-way flights from Charleston to Seattle. Users can also find round-trip Charleston to Seattle flights by using the search form above.

Find flights from Charleston to Seattle within your budget

Use the slider to find flights from Charleston to Seattle that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$197 - $445

Route

Depart

Return

Price

CharlestonSeattle/Tacoma Intl

CHS - SEA

CHSSEA

Charleston

Thu 11/23

1 stop10h 18m

Seattle/Tacoma Intl

Fri 12/1

1 stop13h 45m

CharlestonSeattle/Tacoma Intl

CHS - SEA

CHSSEA

Charleston

Wed 11/15

1 stop9h 08m

Seattle/Tacoma Intl

Sun 11/19

1 stop14h 26m

CharlestonSeattle/Tacoma Intl

CHS - SEA

CHSSEA

Charleston

Mon 10/23

1 stop21h 30m

Seattle/Tacoma Intl

Fri 10/27

1 stop14h 15m

CharlestonSeattle/Tacoma Intl

CHS - SEA

CHSSEA

Charleston

Fri 10/20

1 stop12h 35m

Seattle/Tacoma Intl

Mon 10/23

1 stop9h 30m

CharlestonSeattle/Tacoma Intl

CHS - SEA

CHSSEA

Charleston

Tue 10/24

1 stop8h 52m

Seattle/Tacoma Intl

Fri 10/27

1 stop9h 41m

CharlestonSeattle/Tacoma Intl

CHS - SEA

CHSSEA

Charleston

Sat 10/28

1 stop7h 52m

Seattle/Tacoma Intl

Thu 11/2

1 stop9h 27m

CharlestonSeattle/Tacoma Intl

CHS - SEA

CHSSEA

Charleston

Thu 11/23

Nonstop6h 10m

Seattle/Tacoma Intl

Wed 11/29

Nonstop5h 10m

CharlestonSeattle/Tacoma Intl

CHS - SEA

CHSSEA

Charleston

Tue 10/24

1 stop8h 50m

Seattle/Tacoma Intl

Fri 10/27

2 stops12h 06m

CharlestonSeattle/Tacoma Intl

CHS - SEA

CHSSEA

Charleston

Tue 10/24

3 stops16h 35m

Seattle/Tacoma Intl

Fri 10/27

2 stops10h 55m

Flights are sorted by cheapest first

Deals found on 9/25

Reviews of airlines servicing Seattle

Peruse reviews from past customers who have flown with Spirit Airlines, American Airlines and United Airlines from Charleston to Seattle to help guide your decision. 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.
Alaska Airlines
8.1
Very good
1,393 reviews

Comfort

8.0

Food

7.2

Entertainment

7.2

Crew

8.6

Boarding

8.3

Overall

8.1

Reviews

1 / 10

Maintenance delay, weather delays in DEN and once we arrived in SEA. 3 hour flight resulted in 6+ hours on the plane.

Alaska Airlines
8.1
Very good
1,393 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Comfort

8.0

Food

7.2

Entertainment

7.2

Crew

8.6

Boarding

8.3

Overall

8.1

Reviews

1 / 10

Maintenance delay, weather delays in DEN and once we arrived in SEA. 3 hour flight resulted in 6+ hours on the plane.

Delta
7.9
Good
3,021 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Comfort

8.0

Food

7.2

Entertainment

7.2

Crew

8.6

Boarding

8.3

Overall

8.1

Reviews

1 / 10

Maintenance delay, weather delays in DEN and once we arrived in SEA. 3 hour flight resulted in 6+ hours on the plane.

Southwest
7.6
Good
1,521 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Comfort

8.0

Food

7.2

Entertainment

7.2

Crew

8.6

Boarding

8.3

Overall

8.1

Reviews

1 / 10

Maintenance delay, weather delays in DEN and once we arrived in SEA. 3 hour flight resulted in 6+ hours on the plane.

United Airlines
7.4
Good
1,890 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Comfort

8.0

Food

7.2

Entertainment

7.2

Crew

8.6

Boarding

8.3

Overall

8.1

Reviews

1 / 10

Maintenance delay, weather delays in DEN and once we arrived in SEA. 3 hour flight resulted in 6+ hours on the plane.

American Airlines
7.2
Good
2,635 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Comfort

8.0

Food

7.2

Entertainment

7.2

Crew

8.6

Boarding

8.3

Overall

8.1

Reviews

1 / 10

Maintenance delay, weather delays in DEN and once we arrived in SEA. 3 hour flight resulted in 6+ hours on the plane.

Related info for your journey

Useful info, stats and facts about Charleston to Seattle flights.

Can I find flights from Charleston to Seattle for under $200 on Cheapflights?

Yes, there are multiple flights from Charleston to Seattle for under $200. The cheapest flight booked recently is on Multiple Airlines for just $197, but on average you can expect to pay $253.

Are there nonstop flights from Charleston to Seattle for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Charleston to Seattle under $300. A good price for a nonstop flight from Charleston to Seattle is less than $418.

Are there last-minute flights available from Charleston to Seattle for under $300?

There are currently 20+ open flights from Charleston to Seattle within the next 7 days for less than $300.

What days are nonstop flights available from Charleston to Seattle?

You can find nonstop flights on the following days: Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this Charleston to Seattle flight route?

How many flights depart from Charleston to Seattle on average per day?

5 flight departures from Charleston to Seattle per day on average.
Afternoon (Noon - 6pm) - 100% of flight departures

How long is the flight from Charleston to Seattle?

A quick flight from Charleston to Seattle can take about 8h 52m. Spirit Airlines provides one of the quickest options available for as low as $230. There are 2424 mi between Charleston and Seattle. Both multi-stop and nonstop flights can be found to your destination and back.

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

Spirit Airlines, at $230, was found to be the cheapest airline from Charleston to Seattle.Alternate airlines to your destination round-trip include JetBlue and Delta. Spirit Airlines is currently priced 46% below the average price you’ll pay for this route.

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

The cheapest airlines for a one-way flight from Charleston to Seattle are Spirit Airlines ($118), JetBlue ($128), and American Airlines ($132).

What are the most popular airlines that fly from Charleston to Seattle?

What are the cheapest flights from Charleston to Seattle?

Looking at all options, your cheapest flight can be booked for $148. While the most popular route (Charleston - Seattle/Tacoma Intl) can be booked for $190 on average our data indicates $331 when flying from Charleston to Seattle.

What does CHS to SEA mean?

CHS stands for Charleston Airport, while SEA stands for Seattle/Tacoma Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

Top 5 airlines flying from Charleston to Seattle

The chart below displays the airlines Cheapflights users traveling from Charleston to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$128Average$345FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$129Average$423FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapest$153Average$378FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
American AirlinesCheapest$201Average$419FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
JetBlueCheapest$209Average$273FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Hourly flight availability from Charleston to Seattle

See what time of day planes typically take off from Charleston to Seattle
0%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
100%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Charleston to Seattle

See how many times per day planes take to the skies headed from Charleston to Seattle
Sunday0daily flights
Monday1daily flight
Tuesday1daily flight
Wednesday1daily flight
Thursday1daily flight
Friday1daily flight
Saturday1daily flight

Fly with Cheapflights

What makes Cheapflights the go-to destination for all your flight needs

How does Cheapflights help users find flights from Charleston to Seattle?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Charleston to Seattle. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Charleston to Seattle?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Charleston to Seattle.

Can Cheapflights find flights from Charleston to Seattle with no change fees?

Yes! Cheapflights helps users easily find flights from Charleston to Seattle with no change fees.

Can Cheapflights notify me if prices for flights from Charleston to Seattle become cheaper?

Yes, Cheapflights has a feature called Price Alert, which essentially offers users the ability to be notified when flight prices change. Track prices for your flight to Seattle from Charleston today and book when you’re ready!

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