Cheap flights from Billings to Seattle from $144

In general, March is the cheapest month to fly from Billings to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $248. If you don’t want to visit Seattle in March, then you should wait until September to fly from Billings, when ticket prices are also cheap, with an average price of $267.

On average, the least expensive day to fly to Seattle from Billings is on a Thursday. momondo users have found tickets for Thursday departures for as low as $353. 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 Billings because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $622.

Flying to Seattle from Billings in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $348 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the evening, with an average ticket price of $475. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Seattle from Billings when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $320 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Billings for as low as $251 on momondo.

There are 4 cabin classes available to choose from on Billings to Seattle 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 34% on your flight if you consider stops on a Billings to Seattle flight.

As of August 2026, prices for Billings to Seattle flights are approximately 58% more expensive when compared to flights at the same time last year.

As of August 2026, there are 7 flights per day flying from Billings to Seattle. The most common time of day flights depart is 12:00PM, with 44% of flights taking off in the afternoon.

52 flights are operational weekly from Billings to Seattle as of August 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.