Cheap flights from Long Beach to Seattle from $102

In general, January is the cheapest month to fly from Long Beach to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $217. If you don’t want to visit Seattle in January, then you should wait until September to fly from Long Beach, when ticket prices are also cheap, with an average price of $234.

On average, the least expensive day to fly to Seattle from Long Beach is on a Thursday. momondo users have found tickets for Thursday departures for as low as $296. 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 Long Beach because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $391.

Flying to Seattle from Long Beach in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $274 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $358. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Long Beach Municipal to Seattle/Tacoma Intl for the best Long Beach Municipal - Seattle/Tacoma Intl flight prices

You are more likely to see cheaper flights to Seattle from Long Beach when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $294 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Long Beach for as low as $204 on momondo.

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

Southwest and Alaska Airlines are the most popular carriers operating from Long Beach Municipal to Seattle/Tacoma Intl

Alaska Airlines, Frontier and Delta are the top three most popular airlines that fly to Seattle from Long Beach according to our data. Alaska Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 8 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 Long Beach and Seattle is 2 per day as of October 2026. The most frequent departure time is 7:00AM, with 57% of daily flights leaving at noon.

As of October 2026, 16 flights take off from Long Beach and land in Seattle each week. The most common flight departure day for this route is Mon, with 25% of weekly flights taking off on this day.