AED380 Cheap Flights from Baltimore (BWI) to Seattle (SEA)

View AED380 flight on Mon, 15 December 2025Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Baltimore to Seattle (BWI-SEA)

Prices were available within the past 7 days and start at AED380 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How long does it take to fly from BWI to SEA?
Alaska Airlines operates a direct flight leaving from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) at 6:58PM and reaching SEA at 9:37PM — a total flight time of 5 hours and 39 minutes. Pick your favorite seat, bring some things to keep you entertained and enjoy the ride.
Is it cheaper to buy a plane ticket from BWI Marshall to SEA last minute?
Being the spontaneous type is a rewarding way to travel the globe, but it isn't necessarily the smartest method to track down a cheap airfare. It's better to book your BWI to Sea-Tac Airport trip well ahead of time rather than waiting till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave your spontaneous side for when you get to Sea-Tac Airport!
What airline has the least delays from BWI to Sea-Tac Airport?
Jet off with Alaska Airlines from BWI Airport to SEA and touch down at the time on your ticket. This carrier tops the list on this route, with 86% of services arriving on time. If your flight is delayed for whatever reason, the Expedia App is an easy way to stay updated. Our useful app provides immediate trip notifications, from flight delays to gate changes and more.
What airports do you fly into for Seattle from Baltimore?
From Baltimore, you can reach Seattle through Seattle - Tacoma Intl. Airport (SEA), Renton Municipal Airport (RNT) and Boeing Field Airport (BFI). Check which hub works best for you before making your decision. If you decide on Seattle - Tacoma Intl. Airport (SEA), it's around 19 kilometers south of the city center. Use the dough you save when booking your journey with Expedia to explore the city's awesome sights, such as Space Needle and Pike Place Market.
What are the most popular departure times for flights from BWI Marshall to Sea-Tac Airport?
Between 7:00 AM - 8:00 AM is when you'll find the largest number of Alaska Airlines flights making their way from BWI to Seattle - Tacoma Intl. Airport (SEA). Our useful tip? Get up and away in the morning. With air traffic yet to build up around airports, your chances of boarding a delay-free flight are higher.
Can I change the date of my flight from BWI Airport to Sea-Tac Airport?
Plans can get upended, so Expedia is here to help make amending your journey easy. First, access your BWI Marshall to Sea-Tac Airport itinerary through the Expedia Trips portal and browse the fare rules about what changes are allowed. If you purchased your airfare in the last 24 hours, some airlines will let you cancel at no cost and organize new flights. If you booked your fare more than 24 hours ago, connect with us via our Customer Service portal so we can help you further.

Travel information

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Seattle - Tacoma Intl.
Distance
3725 km
Average flight time
2 hours 49 mins

Book with confidence

Book with confidence

Baltimore to Seattle Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Baltimore to Seattle offer the perfect respite. Not only does exploring Seattle provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Baltimore to Seattle may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from BWI to SEA today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Seattle are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Seattle more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Seattle is AED380 now!

Baltimore to Seattle Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia