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Cheap BWI to SEA Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Baltimore to Seattle route information

Origin Airport Baltimore Washington Intl. Thurgood Marshall
Destination Airport Seattle - Tacoma Intl.
Airlines Serving Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Spirit Airlines, United
Flight Price $237
Distance 2,328 mi

Cheap BWI to SEA Flights

  • How much is a plane ticket to Seattle (SEA) from Baltimore (BWI)?

    Cost can range from $252 to $1,041, prices for BWI to SEA fluctuate less than most routes in the United States. Prices tend to be lower the further out you book.
  • How many flights are there per day from Baltimore to Seattle?

    Of course, the day of the week matters, but on average, six different flight times exist when you fly from BWI to SEA. Compared to the average route departing the United States with nine flight times, you won't have as many options as most.
  • Which airline has the least delays from Baltimore to Seattle?

    Booking with NetJets Aviation means you will arrive to Seattle about the time you were supposed to. In fact, this timely airline has a 100% average for landing before the plane turns into a pumpkin. Of course, it never hurts to be prepared. If you're on United Airlines, be sure to sign up for the delay notifications to stay up to date with your flight's status.
  • What is the cheapest day to fly to Seattle?

    If you are wanting to save money, look at Oct 29th. As of Oct 14th, it's showing the cheapest ticket at $252. That is 30% below the average price for this route, so you can spend the savings on some souvenirs.
  • What is the cheapest day to fly?

    The cheapest day to fly from Baltimore to Seattle is on Thursday. So, if you are trying to save a bit of money on your next holiday look for flights on that day.
  • How long is the flight from BWI to SEA?

    Southwest Airlines can get you there in five hours and 45 minutes. For example, if you were to leave Baltimore at 3:10 PM EDT, you would arrive in Seattle at 5:55 PM PDT. Giving you enough time to catch up on your reading before your plane lands (don't forget, there is a three-hour time difference).
  • How long does it take to fly from Baltimore to Seattle?

    If you are flying on Southwest Airlines, your flight will be about five hours and 45 minutes. For example, if you were to leave Baltimore at 3:10 PM EDT, you would get to Seattle at 5:55 PM PDT. Don't forget the three-hour time change. So, synchronize your watches.

Baltimore to Seattle Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Baltimore to Seattle will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Seattle.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at, we’ll pair you up with BWI to SEA flights that won’t make your bank account wince. Ready to temporarily leave behind Baltimore for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SEA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Oct 12, 2019

One day I would love a free upgrade. Ha ha. I love Alaska tho. Thanks for everything!

Sep 23, 2019

Alaska Air is really good.

Sep 8, 2019

Dorian at BWI was very helpful on sat the 7th September

Sep 8, 2019

Flight attendants were great.

Sep 6, 2019

Had better legroom than other affordable airlines

Sep 4, 2019

Very satisfied nice flight

Aug 26, 2019

We plan to use Alaska Airline more often in the future.

Aug 7, 2019

One of the best airlines in my opinion

Jul 29, 2019

If heading out that way again I would choose Alaska Airlines. It was fun.

Jul 24, 2019

Connection was too close missed flight out of Seattle

Package Disclaimer

*Savings amount equal to 100% when flight + hotel are booked together. Prices based on searches conducted by fellow shoppers within the past 24 hours. There is no guarantee that these prices will be in effect at the time of your search. Vacation package savings are based on comparison to prices on of the same components booked separately. Savings vary based on origin/destination, length of trip, stay dates and travel partners, and aren't available on all packages.