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$343+ Cheap flights from Lake Charles to Seattle (LCH - 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
LCH — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Lake Charles to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Lake Charles (LCH) to Seattle (SEA). 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

$347
(American Airlines)

One-way from

$343
(American Airlines)

Popular in

July

Cheapest in

January

Average price

$552
From Lake Charles to Seattle/Tacoma Intl
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One-way flight from Lake Charles to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 6% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 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 Lake Charles to Seattle

Cheapest flights from Lake Charles to Seattle
Explore the most affordable flight options available from Lake Charles to Seattle. 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.
Tue 8/1912:13 pmLCH - SEA
2 stops10h 21mAmerican Airlines
Thu 8/2812:58 amSEA - LCH
1 stop8h 34mAmerican Airlines
Deal found 6/10$347
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/192:15 pmLCH - SEA
1 stop9h 03mUnited Airlines
Fri 8/297:10 amSEA - LCH
1 stop8h 20mUnited Airlines
Deal found 6/10$398

Cheapflights Fare Finder

Customize your flight search to find flights from Lake Charles 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Lake Charles to Seattle that are best for you.

Fly from

Lake Charles

Fly to

Seattle

Route

Depart

Return

Price

Lake CharlesSeattle

LCH - SEA

LCHSEA

Lake Charles

Tue 8/19

12:13 pm-8:34 pm

2 stops10h 21m

Seattle/Tacoma Intl

Thu 8/28

12:58 am-11:32 am

1 stop8h 34m

$347

Lake CharlesSeattle

LCH - SEA

LCHSEA

Lake Charles

Tue 8/19

2:15 pm-9:18 pm

1 stop9h 03m

Seattle/Tacoma Intl

Fri 8/29

7:10 am-5:30 pm

1 stop8h 20m

$398

Lake CharlesSeattle

LCH - SEA

LCHSEA

Lake Charles

Wed 8/13

6:00 am-10:51 am

1 stop6h 51m

$343

Lake CharlesSeattle

LCH - SEA

LCHSEA

Lake Charles

Wed 8/13

6:08 pm-1:46 pm

3 stops21h 38m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Lake Charles to Seattle

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

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

Currently, January is the cheapest month in which you can book a flight from Lake Charles to Seattle (average of $238). Flying from Lake Charles to Seattle in July is currently the most expensive (average of $391). 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 LCH to SEA?

Find hourly flight availability from Lake Charles to Seattle. 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.

It’s typically best to fly out from Lake Charles to Seattle at noon. Doing so could potentially save you 26% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

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.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from Lake Charles to Seattle, such as United Airlines and American Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,790 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,790 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.0

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Lake Charles to Seattle. 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 Lake Charles to Seattle round-trip?

    Our cheapest airline available from Lake Charles to Seattle is American Airlines. Our recent data shows that you can find tickets from as low as $347 on this airline. An additional option worth looking into is United Airlines, starting at $398. You may be able to fly from Lake Charles to Seattle for 29% less than the average price by searching for these airlines.

  • Can I find deals for flights from Lake Charles to Seattle that include hotel bookings?

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

  • How can I find direct flights from Lake Charles to Seattle?

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

  • Can I find deals for business class flights from Lake Charles to Seattle?

    Yes. Cheapflights offers flight deals from Lake Charles 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 Lake Charles to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Lake Charles to Seattle (average of $238). Flying from Lake Charles to Seattle in July is currently the most expensive (average of $391). 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 Lake Charles?

Book flights to Lake Charles if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Lake Charles to Seattle

Discover the top 2 airlines that operate flights from Lake Charles to Seattle. 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
United AirlinesCheapest$287Average$496FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$361Average$536FlexibilityNo cancel feeOn-time71%

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