Cheap flights from Louisiana to Seattle from $138

In general, February is the cheapest month to fly from Louisiana to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $272. If you don’t want to visit Seattle in February, then you should wait until September to fly from Louisiana, when ticket prices are also cheap, with an average price of $288.

On average, the least expensive day to fly to Seattle from Louisiana is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $422. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Louisiana because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $615.

Flying to Seattle from Louisiana in the morning is the least expensive time of day to depart. momondo users have found prices as low as $465 when looking at flights departing in the morning. Flights to Seattle are more costly in the afternoon, with an average ticket price of $533. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from New Orleans Louis Armstrong to Seattle/Tacoma Intl for the best Louisiana - Seattle/Tacoma Intl flight prices

You are more likely to see cheaper flights to Seattle from Louisiana when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $344 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Louisiana for as low as $271 on momondo.

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

Delta, Southwest, and United Airlines are the most popular carriers operating from Louisiana to Seattle/Tacoma Intl

Alaska Airlines, American Airlines and Delta are the top three most popular airlines that fly to Seattle from Louisiana according to our data. Alaska Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 7 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

The number of flights available between Louisiana and Seattle is 3 per day as of March 2026. The most frequent departure time is 7:00AM, with 55% of daily flights leaving at noon.

The number of flights available between Louisiana and Seattle is 24 per week as of March 2026. The most frequent departure day is Mon, with 21% of weekly flights leaving on this day.