Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Charleston to Seattle from $124

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Charleston to Seattle departing on 9/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Charleston to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:54 pm - 8:45 pmCHS  Charleston-SEA Seattle/Tacoma Intl
8h 51m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
8:40 am - 10:11 pmSEA  Seattle/Tacoma Intl-CHS Charleston
10h 31m2 stops Denver Intl Houston George Bush Intcntl
$296United Airlines
Sat, Aug 22 - Wed, Aug 26
Southwest Logo
1:30 pm - 11:30 pmCHS  Charleston-SEA Seattle/Tacoma Intl
13h 00m2 stops Baltimore/Washington Chicago Midway
Southwest Logo
12:15 am - 2:35 pmSEA  Seattle/Tacoma Intl-CHS Charleston
11h 20m2 stops Chicago Midway Nashville Intl
$303Southwest
Tue, Nov 3 - Fri, Nov 6
United Airlines Logo
4:30 pm - 9:15 pmCHS  Charleston-SEA Seattle/Tacoma Intl
7h 45m1 stop Denver Intl
United Airlines Logo
7:35 pm - 10:03 amSEA  Seattle/Tacoma Intl-CHS Charleston
11h 28m2 stops San Francisco Washington, D.C. Dulles Intl
$307United Airlines
Mon, Aug 24 - Thu, Aug 27
Southwest Logo
6:30 pm - 11:55 pmCHS  Charleston-SEA Seattle/Tacoma Intl
8h 25m1 stop Chicago Midway
Southwest Logo
6:25 am - 7:50 pmSEA  Seattle/Tacoma Intl-CHS Charleston
10h 25m2 stops Las Vegas Harry Reid Intl Nashville Intl
$307Southwest
Thu, Sep 17 - Tue, Sep 22
American Airlines Logo
2:06 pm - 9:36 pmCHS  Charleston-SEA Seattle/Tacoma Intl
10h 30m1 stop Chicago O'Hare Intl
American Airlines Logo
10:59 am - 10:59 pmSEA  Seattle/Tacoma Intl-CHS Charleston
9h 00m1 stop Chicago O'Hare Intl
$308American Airlines
Wed, Sep 16 - Thu, Sep 24
American Airlines Logo
7:18 am - 2:51 pmCHS  Charleston-SEA Seattle/Tacoma Intl
10h 33m1 stop Chicago O'Hare Intl
American Airlines Logo
11:57 pm - 1:16 pmSEA  Seattle/Tacoma Intl-CHS Charleston
10h 19m1 stop Chicago O'Hare Intl
$312American Airlines
Sun, Sep 13 - Sun, Sep 20
Delta Logo
4:11 pm - 11:59 pmCHS  Charleston-SEA Seattle/Tacoma Intl
10h 48m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:50 pm - 11:57 amSEA  Seattle/Tacoma Intl-CHS Charleston
10h 07m1 stop New York John F Kennedy Intl
$323Delta
Sun, Nov 22 - Tue, Dec 1
Delta Logo
1:01 pm - 8:23 pmCHS  Charleston-SEA Seattle/Tacoma Intl
10h 22m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:40 pm - 12:11 pmSEA  Seattle/Tacoma Intl-CHS Charleston
10h 31m1 stop New York John F Kennedy Intl
$323Delta
Fri, Aug 21 - Mon, Sep 14
Multiple Airlines Logo
9:23 am - 6:10 pmCHS  Charleston-SEA Seattle/Tacoma Intl
11h 47m1 stop Los Angeles
Multiple Airlines Logo
8:15 pm - 8:38 amSEA  Seattle/Tacoma Intl-CHS Charleston
33h 23m2 stops Los Angeles Orlando
$335Multiple Airlines
Wed, Sep 16 - Sun, Sep 20
Multiple Airlines Logo
9:23 am - 6:10 pmCHS  Charleston-SEA Seattle/Tacoma Intl
11h 47m1 stop Los Angeles
Multiple Airlines Logo
7:45 pm - 10:36 pmSEA  Seattle/Tacoma Intl-CHS Charleston
23h 51m2 stops Las Vegas Harry Reid Intl Cincinnati Cinci./N. Kentucky
$367Multiple Airlines
Wed, Sep 16 - Mon, Sep 28

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Delta flights from Charleston to Seattle

Our best Delta deals on Charleston to Seattle flight tickets
Delta
Aug 26
CHS6:45 pmCharleston
8h 12m
1 stop
SEA11:57 pmSeattle/Tacoma Intl
Aug 29
SEA7:16 amSeattle/Tacoma Intl
9h 34m
1 stop
CHS7:50 pmCharleston
$323
Delta
Oct 8
CHS5:30 amCharleston
7h 33m
1 stop
SEA10:03 amSeattle/Tacoma Intl
Oct 13
SEA10:35 pmSeattle/Tacoma Intl
8h 35m
1 stop
CHS10:10 amCharleston
$339
Delta
Oct 8
CHS7:10 pmCharleston
7h 42m
1 stop
SEA11:52 pmSeattle/Tacoma Intl
Oct 13
SEA10:59 pmSeattle/Tacoma Intl
10h 13m
1 stop
CHS12:12 pmCharleston
$342

Southwest flights from Charleston to Seattle

Our best Southwest deals on Charleston to Seattle flight tickets
Southwest
Nov 3
CHS1:30 pmCharleston
13h 00m
2 stops
SEA11:30 pmSeattle/Tacoma Intl
Nov 6
SEA12:15 amSeattle/Tacoma Intl
11h 20m
2 stops
CHS2:35 pmCharleston
$303
Southwest
Sep 23
CHS10:45 amCharleston
10h 25m
2 stops
SEA6:10 pmSeattle/Tacoma Intl
Sep 26
SEA11:00 pmSeattle/Tacoma Intl
12h 35m
2 stops
CHS2:35 pmCharleston
$315
Southwest
Sep 24
CHS6:30 pmCharleston
8h 25m
1 stop
SEA11:55 pmSeattle/Tacoma Intl
Sep 27
SEA11:05 pmSeattle/Tacoma Intl
10h 35m
2 stops
CHS12:40 pmCharleston
$317

momondo Fare Finder

 
Customize your flight search to find flights from Charleston to Seattle 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, momondo users made 832,500 searches. Data last updated August 8, 2026.
Use the filters below to find and compare flights from Charleston to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CharlestonSeattle

CHS Charleston - SEA Seattle/Tacoma Intl

CHSSEA

Charleston

Sat 8/22

2:54 pm-8:45 pm

1 stop8h 51m

Seattle/Tacoma Intl

Wed 8/26

8:40 am-10:11 pm

2 stops10h 31m

$296

CharlestonSeattle

CHS Charleston - SEA Seattle/Tacoma Intl

CHSSEA

Charleston

Tue 11/3

1:30 pm-11:30 pm

2 stops13h 00m

Seattle/Tacoma Intl

Fri 11/6

12:15 am-2:35 pm

2 stops11h 20m

$303

CharlestonSeattle

CHS Charleston - SEA Seattle/Tacoma Intl

CHSSEA

Charleston

Mon 8/24

4:30 pm-9:15 pm

1 stop7h 45m

Seattle/Tacoma Intl

Thu 8/27

7:35 pm-10:03 am

2 stops11h 28m

$307
Quickest round-trip

CharlestonSeattle

CHS Charleston - SEA Seattle/Tacoma Intl

CHSSEA

Charleston

Thu 9/17

6:30 pm-11:55 pm

1 stop8h 25m

Seattle/Tacoma Intl

Tue 9/22

6:25 am-7:50 pm

2 stops10h 25m

$307

CharlestonSeattle

CHS Charleston - SEA Seattle/Tacoma Intl

CHSSEA

Charleston

Wed 9/16

2:06 pm-9:36 pm

1 stop10h 30m

Seattle/Tacoma Intl

Thu 9/24

10:59 am-10:59 pm

1 stop9h 00m

$308

CharlestonSeattle

CHS Charleston - SEA Seattle/Tacoma Intl

CHSSEA

Charleston

Sun 9/13

7:18 am-2:51 pm

1 stop10h 33m

Seattle/Tacoma Intl

Sun 9/20

11:57 pm-1:16 pm

1 stop10h 19m

$312

CharlestonSeattle

CHS Charleston - SEA Seattle/Tacoma Intl

CHSSEA

Charleston

Sun 11/22

4:11 pm-11:59 pm

1 stop10h 48m

Seattle/Tacoma Intl

Tue 12/1

10:50 pm-11:57 am

1 stop10h 07m

$323

CharlestonSeattle

CHS Charleston - SEA Seattle/Tacoma Intl

CHSSEA

Charleston

Fri 8/21

1:01 pm-8:23 pm

1 stop10h 22m

Seattle/Tacoma Intl

Mon 9/14

10:40 pm-12:11 pm

1 stop10h 31m

$323

CharlestonSeattle

CHS Charleston - SEA Seattle/Tacoma Intl

CHSSEA

Charleston

Wed 9/16

9:23 am-6:10 pm

1 stop11h 47m

Seattle/Tacoma Intl

Sun 9/20

8:15 pm-8:38 am

2 stops33h 23m

$335

CharlestonSeattle

CHS Charleston - SEA Seattle/Tacoma Intl

CHSSEA

Charleston

Wed 9/16

9:23 am-6:10 pm

1 stop11h 47m

Seattle/Tacoma Intl

Mon 9/28

7:45 pm-10:36 pm

2 stops23h 51m

$367

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Seattle from

How to get the cheapest flight ticket from Charleston to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Charleston and Seattle?

Prices are currently low for flights on this route.

Typical prices usually range from $327 to $515.
The lowest price recently found on this route was $296.

What is the cheapest month to fly to Seattle?

In general, February is the cheapest month to fly from Charleston to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $257. If you don’t want to visit Seattle in February, then you should wait until October to fly from Charleston, when ticket prices are also cheap, with an average price of $281.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Charleston is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $418. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Charleston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $652.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Charleston in the evening is the least expensive time of day to depart. momondo users have found prices as low as $417 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $1,594. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Charleston to Seattle/Tacoma Intl flight route?

Fly from Charleston to Seattle/Tacoma Intl for the best Charleston - Seattle/Tacoma Intl flight prices

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

You are more likely to see cheaper flights to Seattle from Charleston when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $372 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Charleston for as low as $318 on momondo.

What cabin class options are available on Charleston to Seattle flights?

There are 4 cabin classes available to choose from on Charleston to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Charleston to Seattle flights?

No. A direct flight is the cheapest option for a flight between Charleston to Seattle.

How have Charleston to Seattle flight prices changed over time?

As of August 2026, prices for Charleston to Seattle flights are approximately 19% more expensive when compared to flights at the same time last year.

When to book flights from Charleston to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Charleston to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Charleston to Seattle (CHS to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Charleston to Seattle

Best Price Found

$208

Fastest flight time

5h 51m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Charleston in the past 72 hours is $208. The best round-trip flight deal from Charleston to Seattle found on momondo in the last 72 hours is $355.
The fastest flight from Charleston to Seattle takes 5h 51m
Direct flights go from Charleston to Seattle every day.
There is 1 airport in Seattle. From Charleston there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

Frequently asked questions about flying from Charleston to Seattle

  • How far is Charleston to Seattle/Tacoma Intl by plane?

    Seattle/Tacoma Intl is 2422.1 mi away from Charleston. 5h 51m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Charleston Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Charleston Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Charleston Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Charleston Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Charleston Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Charleston to Seattle?

  • What is the most popular airline from Charleston to Seattle?

Best airlines flying from Charleston to Seattle

Compare and see reviews for airlines that fly from Charleston to Seattle with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $139Free CancellationRating
7.8
8,504 reviews
Search Delta flights
American AirlinesPriceFrom $178Free CancellationRating
7.1
11,888 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $217Free CancellationRating
7.9
12,782 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $225Free CancellationRating
8.0
4,216 reviews
Search Southwest flights
United AirlinesPriceFrom $226Free CancellationRating
7.4
10,086 reviews
Search United Airlines flights

  • Alaska Airlines Flights From Charleston to Seattle

    The lowest priced Alaska Airlines flight from Charleston to Seattle from the last 72 hours was $217. Generally, Alaska Airlines has 1 flight on this route every week with an average price of $418. Alaska Airlines is rated 7.9/10 by our users.

  • United Airlines Flights From Charleston to Seattle

    Across 10,086 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Charleston to Seattle about 2 times each week, with ticket deals ranging from $226 to $361. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Kent
Lynnwood
Redmond
Lakewood
Puyallup
Fife
Federal Way
Tukwila
Cle Elum
Marysville
Kirkland
Centralia
Shoreline
Lacey

Why use momondo?

Why should I use momondo to find a flight deal from Charleston to Seattle?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Charleston to Seattle. momondo saves you time and could save you money on your trip.

Can I find flights from Charleston to Seattle with flexible booking policies on momondo?

Flights from Charleston to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Charleston to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Charleston to Seattle.

I’m not ready to book a flight from Charleston to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Charleston and alert you when they change.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 9/7
Mon 9/14
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States