Cheap flights from Dallas to Washington from $145

The month of January is, on average, the cheapest month to fly to State of Washington from Dallas, with most prices found around $303. If you aren’t able to travel to State of Washington during the month of January, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $318.

The cheapest day to depart from Dallas to State of Washington is on a Wednesday. Travelers who choose to depart for State of Washington on a Wednesday will often find tickets for as low as $430. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Dallas to State of Washington for around $474.

The cheapest time of day to fly to State of Washington is in the afternoon when flights can be purchased for as low as $433. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $460 on average. Flights to State of Washington from Dallas at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Dallas/Fort Worth to Seattle/Tacoma Intl for the best Dallas - Washington flight prices

You are more likely to see cheaper flights to State of Washington from Dallas when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $366 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Dallas for as low as $338 on momondo.

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

Southwest, Delta, and Alaska Airlines are the most popular carriers operating from Dallas to Washington

Alaska Airlines, American Airlines and Delta are the top three most popular airlines that fly to State of Washington from Dallas according to our data. Alaska Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 7 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

The number of flights available between Dallas and State of Washington is 35 per day as of November 2026. The most frequent departure time is 7:00PM, with 42% of daily flights leaving at noon.

As of November 2026, there are 249 flights per week flying from Dallas to State of Washington. The most common day of the week flights depart is Sun, with 24% of flights taking off on this day.