How popular is this Charleston to Seattle flight route?

Within the past month, 19 users have taken a look at flights from Charleston to Seattle/Tacoma Intl.

How long is the flight from Charleston to Seattle?

A quick flight from Charleston to Seattle can take about 6h 07m. Alaska Airlines provides one of the quickest options available for as low as $257. There are 2409 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?

Delta, at $98, was found to be the cheapest airline from Charleston to Seattle.Alternate airlines to your destination round-trip include Hawaiian Airlines and American Airlines. Delta is currently priced 74% 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 American Airlines ($103), United Airlines ($118), and Alaska Airlines ($118).

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

What are the cheapest flights from Charleston to Seattle?

Looking at all options, your cheapest flight can be booked for $147. While the most popular route (Charleston - Seattle/Tacoma Intl) can be booked for $217 on average, our data indicates $327 when flying from Charleston to Seattle.

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

Alaska Airlines, American Airlines and Hawaiian Airlines are the most popular airlines when flying from Charleston to Seattle.

Most accurate provider : When it comes to deals on Charleston-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Charleston-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Charleston-Seattle flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Charleston-Seattle flights, Cheapflights users trust eDreams the most. eDreams 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-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Charleston to Seattle?

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

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

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

$90+ Flights from Charleston to Seattle

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Find cheap flights from Charleston to Seattle 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 Seattle/Tacoma Intl are usually found in October or September, booked 12 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Charleston to Seattle

Cheapest flights from Charleston to Seattle
Explore the most affordable flight options available from Charleston to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

jue. 12/256:30 amCHS - SEA

1 stop9h 19mUnited Airlines

mié. 12/3111:15 pmSEA - CHS

1 stop8h 09mUnited Airlines

Deal found 12/10

$284

jue. 12/254:05 pmCHS - SEA

1 stop8h 12mUnited Airlines

jue. 1/17:12 pmSEA - CHS

2 stops12h 23mUnited Airlines

Deal found 12/11

$334

jue. 12/256:57 pmCHS - SEA

Nonstop6h 03mAlaska Airlines

mié. 12/319:45 amSEA - CHS

Nonstop5h 12mAlaska Airlines

Deal found 12/10

$418

jue. 12/254:05 pmCHS - SEA

1 stop8h 12mUnited Airlines

vie. 1/211:59 pmSEA - CHS

1 stop7h 36mUnited Airlines

Deal found 12/11

$429

dom. 12/145:00 amCHS - SEA

1 stop10h 47mAmerican Airlines

mié. 12/176:15 amSEA - CHS

1 stop9h 14mAmerican Airlines

Deal found 12/10

$468

jue. 12/256:57 pmCHS - SEA

Nonstop6h 03mAlaska Airlines

vie. 1/29:45 amSEA - CHS

Nonstop5h 12mAlaska Airlines

Deal found 12/11

$478

mar. 12/162:51 pmCHS - SEA

1 stop9h 03mUnited Airlines

jue. 12/185:02 amSEA - CHS

1 stop7h 07mUnited Airlines

Deal found 12/10

$486

vie. 12/196:30 amCHS - SEA

1 stop9h 17mUnited Airlines

mar. 12/3011:59 pmSEA - CHS

1 stop7h 36mUnited Airlines

Deal found 12/11

$487

mié. 12/316:42 amCHS - SEA

1 stop8h 55mAmerican Airlines

lun. 1/510:13 pmSEA - CHS

1 stop8h 35mAmerican Airlines

Deal found 12/10

$488

Best flights from Charleston to Seattle
Discover carefully curated flight deals from Charleston to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 12, 2025.

jue. 1/157:22 pmCHS - SEA

Nonstop6h 07mAlaska Airlines

lun. 1/1910:11 amSEA - CHS

Nonstop5h 11mAlaska Airlines

Deal found 12/11

$257

vie. 1/92:58 pmCHS - SEA

2 stops10h 45mUnited Airlines

mié. 1/145:00 amSEA - CHS

2 stops11h 04mUnited Airlines

Deal found 12/11

$258

vie. 2/276:32 pmCHS - SEA

Nonstop6h 14mAlaska Airlines

lun. 3/99:28 amSEA - CHS

Nonstop5h 04mAlaska Airlines

Deal found 12/10

$257

jue. 12/254:05 pmCHS - SEA

1 stop8h 12mUnited Airlines

jue. 1/17:12 pmSEA - CHS

2 stops12h 23mUnited Airlines

Deal found 12/11

$334

sáb. 1/244:01 pmCHS - SEA

1 stop8h 14mUnited Airlines

mié. 1/285:00 amSEA - CHS

1 stop7h 05mUnited Airlines

Deal found 12/9

$337

sáb. 1/243:46 pmCHS - SEA

1 stop9h 43mAlaska Airlines

mié. 1/2810:11 amSEA - CHS

Nonstop5h 11mAlaska Airlines

Deal found 12/9

$357

dom. 1/182:58 pmCHS - SEA

2 stops10h 45mUnited Airlines

dom. 1/255:00 amSEA - CHS

2 stops12h 02mUnited Airlines

Deal found 12/11

$341

vie. 1/92:58 pmCHS - SEA

2 stops10h 45mUnited Airlines

lun. 1/128:40 amSEA - CHS

2 stops10h 17mUnited Airlines

Deal found 12/10

$343

vie. 2/276:00 amCHS - SEA

2 stops16h 03mUnited Airlines

lun. 3/911:59 pmSEA - CHS

1 stop7h 51mUnited Airlines

Deal found 12/10

$364

Last-minute flights from Charleston to Seattle
Discover last-minute flight deals from Charleston to Seattle. Data last updated diciembre 12, 2025 and is based on user searches.

jue. 12/256:30 amCHS - SEA

1 stop9h 19mUnited Airlines

mié. 12/3111:15 pmSEA - CHS

1 stop8h 09mUnited Airlines

Deal found 12/10

$284

jue. 12/256:30 amCHS - SEA

1 stop9h 19mUnited Airlines

jue. 1/111:59 pmSEA - CHS

1 stop7h 36mUnited Airlines

Deal found 12/11

$296

vie. 1/94:07 pmCHS - SEA

1 stop9h 00mAmerican Airlines

lun. 1/127:00 amSEA - CHS

1 stop6h 56mAmerican Airlines

Deal found 12/11

$179

vie. 1/96:10 amCHS - SEA

2 stops10h 04mAmerican Airlines

mié. 1/147:00 amSEA - CHS

1 stop9h 02mAmerican Airlines

Deal found 12/11

$212

vie. 1/92:58 pmCHS - SEA

2 stops10h 45mUnited Airlines

mié. 1/145:00 amSEA - CHS

2 stops11h 04mUnited Airlines

Deal found 12/11

$258

sáb. 1/102:06 pmCHS - SEA

2 stops11h 14mAmerican Airlines

sáb. 1/178:04 amSEA - CHS

2 stops10h 07mAmerican Airlines

Deal found 12/11

$189

mié. 1/146:10 amCHS - SEA

2 stops9h 58mAmerican Airlines

sáb. 1/178:04 amSEA - CHS

2 stops10h 07mAmerican Airlines

Deal found 12/10

$213

jue. 1/155:57 pmCHS - SEA

1 stop8h 54mAmerican Airlines

lun. 1/199:45 pmSEA - CHS

1 stop9h 03mAmerican Airlines

Deal found 12/11

$207

jue. 1/157:22 pmCHS - SEA

Nonstop6h 07mAlaska Airlines

lun. 1/1910:11 amSEA - CHS

Nonstop5h 11mAlaska Airlines

Deal found 12/11

$257

lun. 1/194:07 pmCHS - SEA

1 stop9h 00mAmerican Airlines

mar. 2/310:50 amSEA - CHS

1 stop8h 44mAmerican Airlines

Deal found 12/11

$268

One-way flights from Charleston to Seattle
Search for one-way flight options from Charleston to Seattle. Find affordable one-way fares based on user searches. Data last updated diciembre 12, 2025.

sáb. 1/243:46 pmCHS - SEA

1 stop9h 21mAmerican Airlines

Deal found 12/10

$90

jue. 1/154:07 pmCHS - SEA

1 stop9h 00mAmerican Airlines

Deal found 12/10

$118

mar. 2/106:10 amCHS - SEA

2 stops9h 58mAmerican Airlines

Deal found 12/10

$119

jue. 12/184:59 pmCHS - SEA

1 stop8h 48mUnited Airlines

Deal found 12/10

$149

dom. 1/253:01 pmCHS - SEA

2 stops23h 18mMultiple Airlines

Deal found 12/10

$151

jue. 1/152:58 pmCHS - SEA

2 stops10h 45mUnited Airlines

Deal found 12/10

$167

sáb. 1/246:35 pmCHS - SEA

3 stops28h 35mMultiple Airlines

Deal found 12/10

$170

mar. 2/103:01 pmCHS - SEA

3 stops45h 33mMultiple Airlines

Deal found 12/10

$173

sáb. 12/204:05 pmCHS - SEA

1 stop8h 12mUnited Airlines

Deal found 12/11

$193

Find flight deals from Charleston to Seattle

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$179 (American Airlines)
One-way from	$90 (American Airlines)
Popular in	June
Cheapest in	October
Average price	$367
Good round-trip deal	$237 or less
Good one-way deal	$203 or less

Provider with most accurate pricing for Charleston-Seattle/Tacoma Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Charleston-Seattle/Tacoma Intl flights.

Search Deals

From Charleston to Seattle/Tacoma Intl

Search Deals

One-way flight from Charleston to Seattle/Tacoma Intl

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($56 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Charleston to Seattle/Tacoma Intl.

Search Deals

Price to beat on a one-way flight from Charleston to Seattle/Tacoma Intl.

Search Deals

Cheapflights Fare Finder

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

CharlestonSeattle

CHS - SEA

CHSSEA

Charleston

jue. 1/15

7:22 pm-10:29 pm

Nonstop6h 07m

Seattle/Tacoma Intl

lun. 1/19

10:11 am-6:22 pm

Nonstop5h 11m

$257

CharlestonSeattle

CHS - SEA

CHSSEA

Charleston

vie. 2/27

6:32 pm-9:46 pm

Nonstop6h 14m

Seattle/Tacoma Intl

lun. 3/9

9:28 am-5:32 pm

Nonstop5h 04m

$257

CharlestonSeattle

CHS - SEA

CHSSEA

Charleston

vie. 1/9

2:58 pm-10:43 pm

2 stops10h 45m

Seattle/Tacoma Intl

mié. 1/14

5:00 am-7:04 pm

2 stops11h 04m

$258

CharlestonSeattle

CHS - SEA

CHSSEA

Charleston

jue. 12/25

4:05 pm-9:17 pm

1 stop8h 12m

Seattle/Tacoma Intl

jue. 1/1

7:12 pm-10:35 am

2 stops12h 23m

$334

CharlestonSeattle

CHS - SEA

CHSSEA

Charleston

sáb. 1/24

4:01 pm-9:15 pm

1 stop8h 14m

Seattle/Tacoma Intl

mié. 1/28

5:00 am-3:05 pm

1 stop7h 05m

$337

CharlestonSeattle

CHS - SEA

CHSSEA

Charleston

dom. 1/18

2:58 pm-10:43 pm

2 stops10h 45m

Seattle/Tacoma Intl

dom. 1/25

5:00 am-8:02 pm

2 stops12h 02m

$341

CharlestonSeattle

CHS - SEA

CHSSEA

Charleston

vie. 1/9

2:58 pm-10:43 pm

2 stops10h 45m

Seattle/Tacoma Intl

lun. 1/12

8:40 am-9:57 pm

2 stops10h 17m

$343

CharlestonSeattle

CHS - SEA

CHSSEA

Charleston

sáb. 1/24

3:46 pm-10:29 pm

1 stop9h 43m

Seattle/Tacoma Intl

mié. 1/28

10:11 am-6:22 pm

Nonstop5h 11m

$357

CharlestonSeattle

CHS - SEA

CHSSEA

Charleston

vie. 2/27

6:00 am-7:03 pm

2 stops16h 03m

Seattle/Tacoma Intl

lun. 3/9

11:59 pm-10:50 am

1 stop7h 51m

$364

CharlestonSeattle

CHS - SEA

CHSSEA

Charleston

mar. 2/10

3:16 pm-9:47 pm

1 stop9h 31m

$90

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 19 results

Compare providers for flights from Charleston to Seattle

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Charleston to Seattle in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star

*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-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Charleston-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Charleston-Seattle flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Charleston-Seattle flights, Cheapflights users trust eDreams the most. eDreams 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-Seattle 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 Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle 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 Seattle

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

The price you pay for your flight from Charleston to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 12 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, December is the cheapest month in which you can book a flight from Charleston to Seattle (average of $178). Flying from Charleston to Seattle in June is currently the most expensive (average of $286). 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 SEA?

A simple way to save on the total cost of your ticket is to fly from Charleston to Seattle at noon. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight in the afternoon.

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

Travelers seeking maximum savings on their Charleston to Seattle flight should consider departing on Saturday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Charleston to Seattle flights

Cheapflights partnered with top experts to bring you the best recommendations for your Charleston to Seattle trip

Airports

CHS

For early departures, expect long security lines. Arrive early, especially during peak morning hours when many flights leave simultaneously.

SEA

Use the Link light rail from SEA to downtown Seattle. It's affordable, runs every 10 minutes, and takes less than 40 minutes.

Our travel experts

Brandon Schultz

Expert on SEA

Ramsey Qubein

Expert on CHS

Reviews of airlines servicing Seattle

See what other customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Charleston to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

11,432 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Alaska Airlines

8.0

Very good

11,432 reviews

Alaska Airlines

8.0

Very good

11,432 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Delta

7.9

Good

8,008 reviews

Alaska Airlines

8.0

Very good

11,432 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Hawaiian Airlines

7.8

Good

2,817 reviews

Alaska Airlines

8.0

Very good

11,432 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

United Airlines

7.4

Good

9,095 reviews

Alaska Airlines

8.0

Very good

11,432 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

American Airlines

7.2

Good

11,050 reviews

Alaska Airlines

8.0

Very good

11,432 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

How popular is this Charleston to Seattle flight route?
Within the past month, 19 users have taken a look at flights from Charleston to Seattle/Tacoma Intl.
How long is the flight from Charleston to Seattle?
A quick flight from Charleston to Seattle can take about 6h 07m. Alaska Airlines provides one of the quickest options available for as low as $257. There are 2409 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?
Delta, at $98, was found to be the cheapest airline from Charleston to Seattle.Alternate airlines to your destination round-trip include Hawaiian Airlines and American Airlines. Delta is currently priced 74% 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 American Airlines ($103), United Airlines ($118), and Alaska Airlines ($118).
What are the cheapest flights from Charleston to Seattle?
Looking at all options, your cheapest flight can be booked for $147. While the most popular route (Charleston - Seattle/Tacoma Intl) can be booked for $217 on average, our data indicates $327 when flying from Charleston to Seattle.
Can I find deals for flights from Charleston to Seattle that include hotel bookings?
Yes. In addition to deals on Charleston to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Charleston to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charleston to Seattle.
Can I find deals for business class flights from Charleston to Seattle?
Yes. Cheapflights offers flight deals from Charleston to Seattle 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 Seattle?
Currently, December is the cheapest month in which you can book a flight from Charleston to Seattle (average of $178). Flying from Charleston to Seattle in June is currently the most expensive (average of $286). 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.

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Other flights to Seattle

Top 6 airlines flying from Charleston to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$98	Average$353	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$194	Average$383	FlexibilityNo cancel fee	On-time71%
Alaska Airlines	Cheapest$222	Average$390	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$225	Average$391	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$236	Average$366	FlexibilityNo cancel fee	On-time69%
Hawaiian Airlines	Cheapest$257	Average$382	FlexibilityNo cancel fee	On-time85%

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$90+ Cheap flights from Charleston to Seattle (CHS - SEA)

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Charleston to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Charleston to Seattle/Tacoma Intl are usually found in October or September, booked 12 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Charleston to Seattle

Cheapest flights from Charleston to SeattleExplore the most affordable flight options available from Charleston to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

Explore the most affordable flight options available from Charleston to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

Find flight deals from Charleston to Seattle

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Charleston to Seattle that are best for you.

Compare providers for flights from Charleston to Seattle

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 Seattle in December.

Best time to book a flight from Charleston to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Charleston with our price prediction graph.

Cheapflights Insights

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

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

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

What is the cheapest time of day to fly from CHS to SEA?

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

The best insider tips for Charleston to Seattle flights

AI-powered summary based on content written by travel experts. AI can make mistakes.

Cheapflights partnered with top experts to bring you the best recommendations for your Charleston to Seattle trip

Airports

CHS

SEA

Our travel experts

Reviews of airlines servicing Seattle

See what other customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Charleston to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Charleston to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How popular is this Charleston to Seattle flight route?

How long is the flight from Charleston to Seattle?

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

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

What are the cheapest flights from Charleston to Seattle?

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

How can I find direct flights from Charleston to Seattle?

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

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

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Alternative routes for Charleston to Seattle

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Top 6 airlines flying from Charleston to Seattle

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Cheapest flights from Charleston to Seattle
Explore the most affordable flight options available from Charleston to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.