Find Cheap Flights from Charleston to Seattle (CHS - SEA)

Flights overview

Useful information for finding cheap flights from Charleston to Seattle and booking your next trip

Cheapest round-trip flights	$273	United 2 stops 16 hr Thu, May 28 — Sat, Jun 6	The cheapest round-trip flight from Charleston to Seattle is currently $273
Cheapest one-way flight	$109	Southwest 1 stop 8 hr Sat, Jul 18	The cheapest one-way flight from Charleston to Seattle is currently $109
Cheapest nonstop flights	$427	Alaska Nonstop 7 hr Thu, Jun 4 — Wed, Jun 10	The cheapest nonstop round-trip flight from Charleston to Seattle is currently $427
Last-minute weekend getaway	$441	American 1 stop 12 hr Thu, May 7 — Sun, May 10	The cheapest last-minute weekend getaway from Charleston to Seattle is currently $441
Cheapest business class flights	$1,162	United 1 stop 9 hr Thu, May 7 — Sat, May 16	The cheapest business class round-trip flight from Charleston to Seattle is currently $1,162

Fastest flight	5 hr 58 min	The fastest nonstop flight from Charleston to Seattle takes 5 hr 58 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Charleston to Seattle is typically January. The most expensive month to fly is typically June.

January Cheapest	Typical prices: $175–370
June Most expensive	Typical prices: $280–440

Popular airlines from Charleston to Seattle

Delta

from $342

Typical price: $325–790

495 weekly connecting flights

CHS - SEA Every day
Alaska

Nonstop

from $427

Typical price: $295–710

7 weekly nonstop flights

CHS - SEA Every day
American

from $307

Typical price: $225–530

240 weekly connecting flights

CHS - SEA Every day
United

from $352

Typical price: $260–580

196 weekly connecting flights

CHS - SEA Every day
Southwest

from $301

Typical price: $290–530

162 weekly connecting flights

CHS - SEA Every day
Sun Country Airlines

Typical price: $420–640

2 weekly connecting flights

CHS - SEA Every Sun

Popular airports near Charleston

Charleston International Airport (CHS)

Charleston United States 28 min 10 mi
Charlotte Douglas International Airport (CLT)

Charlotte United States 3 hr 12 min 177 mi
Savannah/Hilton Head International Airport (SAV)

Savannah United States 2 hr 2 min 86 mi
Myrtle Beach International Airport (MYR)

Myrtle Beach United States 2 hr 85 mi

Popular airports near Seattle

Seattle-Tacoma International Airport (SEA)

Seattle United States 18 min 11 mi
Portland International Airport (PDX)

Portland United States 2 hr 44 min 140 mi
Paine Field (PAE)

Everett United States 31 min 21 mi
King County International Airport - Boeing Field (BFI)

Seattle United States 11 min 5 mi

Frequently asked questions about flying from Charleston to Seattle

The cheapest flights from Charleston to Seattle are usually in January. Typical ticket prices in January range from $175 to $370.

The cheapest round-trip flight from Charleston to Seattle recently found on Google Flights was with United from $273. The cheapest one-way flight was with Southwest from $109.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Delta flight from Charleston to Seattle is $342, flying from Jul 20 to Jul 28.
The cheapest Alaska flight from Charleston to Seattle is $427, flying from Jun 4 to Jun 10.
The cheapest American flight from Charleston to Seattle is $307, flying from Jul 12 to Jul 21.
The cheapest United flight from Charleston to Seattle is $352, flying from May 7 to May 16.
The cheapest Southwest flight from Charleston to Seattle is $301, flying from Jul 27 to Aug 4.

The cheapest round-trip flight from Charleston to Seattle starts at $273 from Thu, May 28 to Sat, Jun 6. The cheapest one-way flight starts at $109 and departs on Sat, Jul 18.

5 hr 58 min is the shortest flight time from Charleston to Seattle.

Most visitors come May–Sep, a period encompassing events such as the Seattle International Film Festival (May); Seafair (Jul), a summer festival including boat races, marathons and parades; and Bumbershoot (Sep), an international music and arts festival. Rainy season is Nov–May, though rain is possible year-round.

It's easy to use Google Flights to find the cheapest days to fly from Charleston to Seattle.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Charleston to Seattle really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Charleston to Seattle.

In terms of nonstop flights, Alaska is the most popular. Alaska offers 7 nonstop flights per week. Alaska flies from Charleston International Airport (CHS) to Seattle-Tacoma International Airport (SEA) .

In terms of flights, Delta is the most popular. Delta offers 495 connecting flights per week. Delta flies from Charleston International Airport (CHS) to Seattle-Tacoma International Airport (SEA) .

Other popular airlines flying from Charleston to Seattle are:

American offers 240 connecting flights per week. American flies from Charleston International Airport (CHS) to Seattle-Tacoma International Airport (SEA) .
United offers 196 connecting flights per week. United flies from Charleston International Airport (CHS) to Seattle-Tacoma International Airport (SEA) .
Southwest offers 162 connecting flights per week. Southwest flies from Charleston International Airport (CHS) to Seattle-Tacoma International Airport (SEA) .
Sun Country Airlines offers 2 connecting flights per week. Sun Country Airlines flies from Charleston International Airport (CHS) to Seattle-Tacoma International Airport (SEA) .

The number of connecting flights refers to distinct flights with at least one stop between Charleston and Seattle.

The cheapest round-trip flight from Charleston to Seattle recently found on Google Flights was with United from $273. The cheapest one-way flight was with Southwest from $109.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Delta flight from Charleston to Seattle is $342, flying from Jul 20 to Jul 28.
The cheapest Alaska flight from Charleston to Seattle is $427, flying from Jun 4 to Jun 10.
The cheapest American flight from Charleston to Seattle is $307, flying from Jul 12 to Jul 21.
The cheapest United flight from Charleston to Seattle is $352, flying from May 7 to May 16.
The cheapest Southwest flight from Charleston to Seattle is $301, flying from Jul 27 to Aug 4.

Alaska flies direct from Charleston to Seattle.

There are 7 Alaska direct flights from Charleston to Seattle per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Charleston and Seattle at price $441 is offered by American from Thu, May 7 to Sun, May 10.

Alaska flies direct from Charleston to Seattle.

There are 7 Alaska direct flights from Charleston to Seattle per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Charleston to Seattle on a daily basis.

The cheapest direct (nonstop) round-trip flights between Charleston and Seattle start at $427 from Thu, Jun 4 to Wed, Jun 10 with Alaska.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Charleston to Seattle, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Charleston and Seattle start at $1,162 from Thu, May 7 to Sat, May 16 with United.

The cheapest economy class round-trip flights between Charleston and Seattle start at $273 from Thu, May 28 to Sat, Jun 6.

To book business class trips from Charleston to Seattle, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Charleston and Seattle starts at $441 from Thu, May 7 to Sun, May 10 with American.

The cheapest last-minute deal between Charleston and Seattle at price $441 is offered by American from Thu, May 7 to Sun, May 10.

To find last-minute flight deals from Charleston to Seattle, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.