$100 Find Cheap Flights from Baltimore to Seattle - Compare and Save

Yes. If you are traveling with a service animal or a pet who needs to go to the bathroom or get a drink of water, you can take advantage of one of the animal relief areas at BWI, 2 Airside and 2 Landside. The post-security stations are located next to the Terminal B/C connector and just beyond the security checkpoint for Concourses D/E. Both of the pre-security areas are located outside the airport. The first one is in front of the Hourly Garage and the second one is next to the Light Rail Station.

Yes. If you are an active-duty US military service member or dependent, and you wish to refresh, regroup, or reboot before heading out into Seattle, you can take advantage of the USO on the Mezzanine level above Checkpoint #3. This lounge is open on Thursdays from 8:00 am until 12:00 am the next day and on Mondays, Wednesdays, and Saturdays from 8:00 am until 4:00 am the next day. The USO is closed on Tuesdays, Fridays, and Sundays. Some amenities include showers, places to sleep, travel information, a nursery, a big screen TV, internet access, and more.

Yes. BWI has installed Mamava lactation suites in every terminal in the airport. These freestanding 4X8 lactation suites are made of fiberglass and Corian and provide cleanliness and privacy for mothers who want to breastfeed in private or who need to pump. Each Mamava pod includes two benches, a shelf, a coat hook, a mirror, motion-activated lighting, an exhaust fan, an electrical outlet, and a USB port.

Yes. BWI provides wheelchairs, wheelchair assistance, ramps, elevators, lift-equipped buses, accessible restrooms, unisex restrooms, and restrooms that include adult changing stations for an adult and his or her caregiver. BWI also has TDD telephones Video Relay Systems for the hearing impaired.

Among airlines operating Baltimore to Seattle 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 Baltimore and Seattle. The airlines offering nonstop flights on this route include:
• Alaska Airlines
• Southwest

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

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
• JetBlue: 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.

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

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

Prices vary by airline.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $226 round-trip via Salt Lake City (SLC), compared to $475 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 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 Baltimore to Seattle most commonly connect through:

• Charlotte Douglas (CLT) - 31% of one-stop connections
• Chicago O'Hare Intl (ORD) - 18% of one-stop connections
• Denver Intl (DEN) - 15% of one-stop connections
• Detroit Metropolitan Wayne County (DTW) - 12% of one-stop connections

Charlotte Douglas (CLT) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 25% on the Baltimore to Seattle route. Tuesday is the cheapest departure day at $367 round-trip on average, while Sunday is the most expensive at $488, a difference of $121. 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 Baltimore to Seattle flights, with 100% of flights leaving in that window. Afternoon departures account for 0%, evening flights for 0%, and night flights for 0%.

Some of the most popular sights in Seattle are Pike Place Market, Pier 66 and Lumen Field. These are among the most viewed places in Seattle on KAYAK.

A nonstop flight from Baltimore to Seattle takes 5h 44m, covering 2,327 miles.

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

• Earliest: departs at 7:02 am and lands at 12:46 pm
• Latest: departs at 7:15 pm and lands at 12:59 am.

The flight takes about 5h 44m.

Last-minute fares on this route - booked within 2 weeks of departure - run 47% above the route average of $434. Book 11 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 $333 to $2,156. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Baltimore to Seattle are currently lower than usual. Average one-way flight prices are about $183, which is 35% 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 27m, compared with 7h 46m via Chicago Midway (MDW) and 7h 56m via Chicago O'Hare Intl (ORD).

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

Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
· Fox
· Europcar
· Thrifty
· Budget
· Dollar

Round-trip flights from Baltimore to Seattle range from $318 to $573, with an average of $434 over the past 12 months. Anything below $318 counts as a good deal.

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

• • Alaska Airlines
• • JetBlue