BWI to SEA (Baltimore to Seattle) Flights

Last Minute Flights from BWI to SEA

Price found within the past 7 days for the specified period. Click for updated prices.

Cheapest BWI to SEA Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
BWISeattleSeptember 22 to September 29$220
BWISeattleJune 5 to June 9$229
BWISeattleAugust 25 to September 14$239
BWISeattleMay 1 to May 19$253
BWISeattleApril 29 to May 1$273
*Prices include taxes and fees
BWI to SEA Flight Details
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Origin airport IATA code
BWI
Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Distance
2328 mi

Frequently asked questions

What airlines fly direct from BWI to Sea-Tac Airport?
Alaska Airlines (AS) does. Hop on one of the 60 monthly flights that depart from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) and fly straight to Sea-Tac Airport. Avoiding an irritating stopover is a fabulous way to begin your SeaTac adventure.
How many flights are there from BWI to SEA?
Approximately 46 each day. If you're in a rush to visit SeaTac, see if you can find an awesome last-minute deal from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Seattle, WA (SEA-Seattle - Tacoma Intl.) and then secure it fast!
How long does it take to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
This flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will take on average 8 hours and 17 minutes. Use the time to open the novel that's been on your bookcase for months or simply get some sleep.
What is the flight distance from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
About 2,300 miles (3,800 1). If you travel regularly and have accumulated enough air miles, this medium-haul trip may be the ideal time to use them for an upgrade.
How many morning flights are there from BWI to SEA?
Early birds — you'll be glad to know that there are 166 morning flights from BWI to SEA a week.

  • You can take off at 6:00AM if you book your ticket with Delta Air Lines (DL). It has 58 weekly flights from BWI to SEA.
  • 5:00AM is the earliest you can jet from BWI to SEA with American Airlines (AA). This airline has 50 early flights each week.
  • You'll have 36 morning flights to choose from if you fly with United Airlines (UA). 5:45AM is the earliest departure time.

How many afternoon flights are there from BWI to SEA?
If the words "early start" just aren't part of your vocabulary, book one of the 159 weekly afternoon and evening flights from BWI to SEA.

  • Delta Air Lines (DL) provides 68 weekly flights that jet off after midday. The earliest departure is 12:00PM.
  • United Airlines (UA) has 38 afternoon and evening flights a week. The first one leaves at 2:37PM.
  • Another good choice is American Airlines (AA). Choose from 37 afternoon and evening flights each week from 1:00PM onward.

What is the earliest departure time out of Baltimore to SeaTac?
5:00AM is the earliest flight you can get out of BWI, landing at SEA at 1:41AM. Save time in the morning by having your bags packed and ready to be thrown in the boot.
What is the latest departure time out of Baltimore to SeaTac?
From BWI, the latest flight you can get sets out at 10:51PM and comes in for landing at 11:18PM at SEA. If you're not into early mornings, this flight has your name on it.
What is the average price from Baltimore to SeaTac?
You can find a round-trip flight from BWI to SEA from around $220. The cheapest deals get snapped up fast, so book as soon as you've confirmed your travel dates. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Baltimore to Seattle Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Baltimore to Seattle to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from BWI to SEA, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from Baltimore to Seattle, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.

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