$173 Find Cheap Flights from Seattle to Baltimore - Compare and Save

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

• Earliest: departs at 9:05 am and lands at 2:04 pm
• Latest: departs at 9:42 pm and lands at 2:41 am.

The flight takes about 4h 59m.

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

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A nonstop flight from Seattle to Baltimore takes 4h 59m, covering 2,327 miles.

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.

Round-trip flights from Seattle to Baltimore range from $365 to $644, with an average of $480 over the past 12 months. Anything below $365 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 35% above the $480 route average. Book 23 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $314 round-trip via San Francisco (SFO), compared to $505 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$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.

Morning is the busiest departure period on Seattle to Baltimore flights, with 100% of flights leaving in that window. Afternoon departures account for 0%, evening flights for 0%, and night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $356 to $2,727. That means the highest observed fare was about 8x higher than the lowest one.

Alaska Airlines is the only airline on the Seattle to Baltimore route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from Seattle to Baltimore are currently lower than usual. Average one-way flight prices are about $188, which is 39% below the typical average for this route.

Baltimore/Washington Airport (BWI) hosts 5 major car rental companies, with daily rates averaging $72 for economy cars. Top options include:

• NextCar
• Hertz
• Dollar
• Budget
• Sixt

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

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

• Charlotte Douglas (CLT) - 30% of one-stop connections
• Detroit Metropolitan Wayne County (DTW) - 22% of one-stop connections
• Chicago O'Hare Intl (ORD) - 18% of one-stop connections
• Chicago Midway (MDW) - 8% of one-stop connections

Yes. Flexible dates can save you up to 30% on flights from Seattle to Baltimore. Wednesday is the cheapest departure day at $407 round-trip on average, while Sunday is the most expensive at $578, a difference of $171.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Only Alaska Airlines operates flights between Seattle and Baltimore.

Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 7h 28m, compared with 7h 35m via Denver Intl (DEN) and 7h 52m via Chicago Midway (MDW).

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

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

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.

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

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

Downtown Baltimore is roughly 10 miles from Baltimore/Washington International Thurgood Marshall Airport (BWI). Transportation options from the airport include Light RailLink, taxis and rental cars. MTA Light Rail service runs from the airport to downtown Baltimore and Hunt Valley. Taxis are available for rides from BWI, while rental cars are available for self-drive travel.

At Baltimore/Washington International Thurgood Marshall Airport (BWI), non-service animals in the terminal must be restrained in a container at all times. Pet relief areas are located both before and after security. For arriving passengers, they are near the hourly garage parking and at the Concourse D and E connector.