Vuelos de Delta de Baltimore (BWI) a Seattle (SEA) desde $129

It’s always wise to learn about any travel advice reports and quarantine requirements in place in your destination city. Make sure you go to the Covid-19 Travel Advisor for up-to-date information on flying to Sea-Tac Airport from Baltimore Washington Intl. Thurgood Marshall Airport (BWI).

Check your boarding pass to find out which BWI Marshall terminal you’ll be departing from on your way to SEA with Delta Air Lines. If you can’t find the information on there, ask your airline.

Unfortunately, there aren’t any direct flights between BWI and Sea-Tac Airport with Delta Air Lines. Be ready to make at least one stopover if you have to travel with this airline on this route.

Bring that novel you’ve been longing to read. A flight from BWI to Seattle - Tacoma Intl. Airport (SEA) with Delta Air Lines takes roughly 7 hours and 36 minutes. You’ll have plenty of time to lose yourself in the gripping plot.

If you want to book a journey from BWI to SEA, you can choose from 6 Delta Air Lines flights every day.

For more info about changing your flight to SEA, please visit our Customer Service Portal.

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.