Cheap flights from Seattle to Billings from $104

The month of January is, on average, the cheapest month to fly to Billings from Seattle, with most prices found around $167. The month of December is another great option to travel to Billings, with average flight prices from Seattle averaging around $177.

Our data shows that Wednesday is the least expensive day to fly to Billings. Tickets to fly out on this day can be as low as $257. Flights from Seattle to Billings on a Monday will generally be more expensive and average around $528. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

According to our data, the cheapest time of day to fly to Billings is in the afternoon. momondo users have found flights departing from Seattle to Billings in the afternoon for as low as $288. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Billings, so prices are often more expensive at around $300 per ticket.

Fly from Seattle/Tacoma Intl to Billings Logan Intl for the best Seattle/Tacoma Intl - Billings Logan Intl flight prices

You are more likely to see cheaper flights to Billings from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Billings for around $260 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Billings from Seattle for as low as $173 on momondo.

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

You could potentially save up to 18% on your flight if you consider stops on a Seattle to Billings flight.

As of March 2026, prices for Seattle to Billings flights are approximately 120% more expensive when compared to flights at the same time last year.

United Airlines and Delta are the most popular carriers operating from Seattle/Tacoma Intl to Billings Logan Intl

Alaska Airlines, Hawaiian Airlines and United Airlines are the top three most popular airlines that fly to Billings from Seattle according to our data. Alaska Airlines is the first choice among our users, with 72% of people opting to fly with this airline when traveling to Billings. Keep in mind that there are 4 different airlines that fly to Billings on a routine basis, so you have a few additional options to choose from.

6 flights are operational daily from Seattle to Billings as of March 2026. The most popular departure time for this route is 9:00PM, with 71% of flights per day taking off in the evening.

As of March 2026, 43 flights take off from Seattle and land in Billings each week. The most common flight departure day for this route is Mon, with 16% of weekly flights taking off on this day.