Cheap flights from Maryland to Seattle from $143

In general, February is the cheapest month to fly from Maryland to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $297. If you don’t want to visit Seattle in February, then you should wait until January to fly from Maryland, when ticket prices are also cheap, with an average price of $327.

On average, the least expensive day to fly to Seattle from Maryland is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $458. 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 Maryland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $587.

Flying to Seattle from Maryland in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $488 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the evening, with an average ticket price of $638. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Baltimore/Washington to Seattle/Tacoma Intl for the best Maryland - Seattle/Tacoma Intl flight prices

You are more likely to see cheaper flights to Seattle from Maryland when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $394 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Maryland for as low as $346 on momondo.

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

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

Alaska Airlines, Southwest and Delta are the top three most popular airlines that fly to Seattle from Maryland according to our data. Alaska Airlines is the first choice among our users, with 68% 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.

As of August 2026, there are 27 flights per day flying from Maryland to Seattle. The most common time of day flights depart is 7:00AM, with 54% of flights taking off at noon.

As of August 2026, there are 189 flights per week flying from Maryland to Seattle. The most common day of the week flights depart is Mon, with 25% of flights taking off on this day.