$110 Find Cheap Flights from Seattle to Baltimore - Compare and Save

Downtown Baltimore is roughly 10 miles from BWI airport. There are multiple ways through which you can go from the airport to the city center including metro, taxi, and rental cars. The cheapest mode would be taking the blue-line metro towards Hunt Valley and the drop-off at the station on Lexington Street. A more convenient alternative would be a taxi or rental car. They are both easily available at the airport and will drop you at any destination in Baltimore.

There are about nine lounges at Seattle-Tacoma International Airport where you can hang out while waiting to board your flight. Out of the nine lounges, five have an affiliation to an airline and they include Alaska Airlines, which has three lounges, and Delta and United Airlines, each with one lounge. On top of these five lounges, there is a Centurion Lounge in Concourse B, The Club at SEA in the central terminal and south satellite, and lastly the USO Lounge which is open to active military personnel and their close family.

While flying may not be a sustainable way to travel, it is unavoidable at times. This is why we need to make our flights as eco-friendly as possible to reduce the impact on the environment. One way to do so would be to book a direct flight instead of two connecting flights. Connecting flights are usually longer and result in more carbon emissions.

If you’re traveling with a pet through BWI airport, you should keep them in their carriers at all times except when using the pet relief areas. The pet relief areas at this airport can be found at various points both before and after security. The most conveniently located ones for arriving passengers can be found near the hourly garage parking and at the Concourse D and E connector.

Among airlines operating Seattle to Baltimore flights:

• Alaska Airlines: offers extra legroom; offers free seat selection
• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between Seattle and Baltimore. The airlines offering nonstop flights on this route include:
• Alaska Airlines
• Southwest

Flights from Seattle to Baltimore usually depart from Seattle/Tacoma Intl (SEA) and arrive at Baltimore/Washington (BWI).

Here are some options for this route, based on selected ticket types and cabin classes:

• Alaska Airlines: a cabin bag and a checked bag in Economy Class
• Southwest: a cabin bag in Economy Class class
• Hawaiian Airlines: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Three cabin classes are available on flights from Seattle to Baltimore:

• Economy Class
• Business Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $296 round-trip via San Francisco (SFO), compared to $478 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737-800 Passenger/BBJ2 (winglets) family is used most often on this route, operated mainly by Alaska Airlines and Southwest. Other aircraft seen on the route include Boeing 737 variants.

One-stop flights from Seattle to Baltimore most commonly connect through:

• Detroit Metropolitan Wayne County (DTW) - 23% of one-stop connections
• Chicago O'Hare Intl (ORD) - 20% of one-stop connections
• Charlotte Douglas (CLT) - 17% of one-stop connections
• Denver Intl (DEN) - 14% of one-stop connections

Detroit Metropolitan Wayne County (DTW) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 31% on the Seattle to Baltimore route. Wednesday is the cheapest departure day at $398 round-trip on average, while Sunday is the most expensive at $571, a difference of $173. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Seattle to Baltimore flights, with 50% of flights leaving in that window. Night departures account for 50%, afternoon flights for 0%, and evening flights for 0%.

Some of the most popular sights in Baltimore are Inner Harbor, M&T Bank Stadium and Oriole Park At Camden Yards. These are among the most viewed places in Baltimore on KAYAK.

A nonstop flight from Seattle to Baltimore takes 5h 05m, covering 2,327 miles.

These are the earliest and latest flight times available from Seattle to Baltimore:

• Earliest: departs at 9:03 am and lands at 2:08 pm
• Latest: departs at 10:30 pm and lands at 3:35 am.

The flight takes about 5h 05m.

Last-minute fares on this route - booked within 2 weeks of departure - run 39% above the route average of $456. Book 23 weeks before departure for the lowest fares.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $349 to $2,408. That means the highest observed fare was about 7x higher than the lowest one.

One-way fares from Seattle to Baltimore are currently lower than usual. Average one-way flight prices are about $178, which is 42% below the typical average for this route.

Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 7h 25m, compared with 7h 37m via Minneapolis St Paul (MSP) and 7h 56m via Chicago O'Hare Intl (ORD).

Baltimore is 3 hours ahead of Seattle (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Baltimore/Washington Airport (BWI) hosts 5 major car rental companies, with daily rates starting from around $25 for economy cars. Top options include:
· NextCar
· Hertz
· Dollar
· Thrifty
· Budget

Round-trip flights from Seattle to Baltimore range from $331 to $618, with an average of $456 over the past 12 months. Anything below $331 counts as a good deal.

Two airlines offer in-flight Wi-Fi on Seattle to Baltimore flights:

• • Alaska Airlines
• • JetBlue