Find Cheap Flights from Seattle to Baltimore (SEA - WAS)

Flights overview

Useful information for finding cheap flights from Seattle to Baltimore and booking your next trip

Cheapest round-trip flights	$207	Southwest Nonstop 5 hr Thu, Jun 4 — Sat, Jun 13	The cheapest round-trip flight from Seattle to Baltimore is currently $207
Cheapest one-way flight	$99	Southwest Nonstop 5 hr Thu, Jun 4	The cheapest one-way flight from Seattle to Baltimore is currently $99
Cheapest nonstop flights	$335	Alaska Nonstop 5 hr Mon, Jul 13 — Tue, Jul 21	The cheapest nonstop round-trip flight from Seattle to Baltimore is currently $335
Last-minute weekend getaway	$410	Frontier 1 stop 24 hr Fri, May 8 — Mon, May 11	The cheapest last-minute weekend getaway from Seattle to Baltimore is currently $410
Cheapest business class flights	$508	Frontier 1 stop 10 hr Fri, Jul 31 — Sun, Aug 9	The cheapest business class round-trip flight from Seattle to Baltimore is currently $508

Fastest flight	4 hr 55 min	The fastest nonstop flight from Seattle to Baltimore takes 4 hr 55 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Seattle to Baltimore is typically January. The most expensive month to fly is typically July.

January Cheapest	Typical prices: $165–330
July Most expensive	Typical prices: $250–355

Popular airlines from Seattle to Baltimore

Alaska

Nonstop

from $335

Typical price: $265–650

45 weekly nonstop flights

SEA - BWI, DCA, IAD Every day

37 weekly connecting flights

SEA - BWI, DCA, IAD Every day
United

Nonstop

from $237

Typical price: $235–540

19 weekly nonstop flights

SEA - IAD Every day

904 weekly connecting flights

SEA - BWI, DCA, IAD Every day
Delta

Nonstop

from $341

Typical price: $235–620

14 weekly nonstop flights

SEA - DCA, IAD Every day

962 weekly connecting flights

SEA - BWI, DCA, IAD Every day
Southwest

from $207

Typical price: $255–570

587 weekly connecting flights

SEA - BWI, DCA, IAD Every day
American

from $265

Typical price: $240–580

571 weekly connecting flights

SEA - BWI, DCA, IAD Every day
Frontier

from $244

Typical price: $220–570

61 weekly connecting flights

SEA - BWI, DCA, IAD Every day

Popular airports near Seattle

Seattle-Tacoma International Airport (SEA)

Seattle United States 18 min 11 mi
Portland International Airport (PDX)

Portland United States 2 hr 44 min 140 mi
Paine Field (PAE)

Everett United States 31 min 21 mi
King County International Airport - Boeing Field (BFI)

Seattle United States 11 min 5 mi

Popular airports near Baltimore

Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI)

Baltimore United States 19 min 8 mi
Dulles International Airport (IAD)

Washington United States 1 hr 23 min 51 mi
Ronald Reagan Washington National Airport (DCA)

Washington United States 59 min 38 mi
Philadelphia International Airport (PHL)

Philadelphia United States 1 hr 35 min 83 mi

Frequently asked questions about flying from Seattle to Baltimore

The cheapest flights from Seattle to Baltimore are usually in January. Typical ticket prices in January range from $165 to $330.

The cheapest round-trip flight from Seattle to Baltimore recently found on Google Flights was with Southwest from $207. The cheapest one-way flight was with Southwest from $99.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Alaska flight from Seattle to Baltimore is $335, flying from Jul 13 to Jul 21.
The cheapest United flight from Seattle to Baltimore is $237, flying from May 28 to Jun 3.
The cheapest Delta flight from Seattle to Baltimore is $341, flying from Jun 4 to Jun 10.
The cheapest Southwest flight from Seattle to Baltimore is $207, flying from Jun 4 to Jun 13.
The cheapest American flight from Seattle to Baltimore is $265, flying from May 28 to Jun 5.
The cheapest Frontier flight from Seattle to Baltimore is $244, flying from Jul 31 to Aug 8.

The cheapest round-trip flight from Seattle to Baltimore starts at $207 from Thu, Jun 4 to Sat, Jun 13. The cheapest one-way flight starts at $99 and departs on Thu, Jun 4.

4 hr 55 min is the shortest flight time from Seattle to Baltimore.

Baltimore has a 4-season climate with warm, humid summers (Jun–Sep) and some snow in winter (Dec–Feb). Most people choose to visit May–Sep. Artscape (Jul) is a 3-day major annual festival, with performing arts, free concerts and exhibitions. Free Fall (Oct) features a monthlong program of admission-free cultural events.

It's easy to use Google Flights to find the cheapest days to fly from Seattle to Baltimore.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Seattle to Baltimore really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Seattle to Baltimore.

In terms of nonstop flights, Alaska is the most popular. Alaska offers 45 nonstop flights and 37 connecting flights per week. Alaska flies from Seattle-Tacoma International Airport (SEA) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .

In terms of flights, Delta is the most popular. Delta offers 14 nonstop flights and 962 connecting flights per week. Delta flies from Seattle-Tacoma International Airport (SEA) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .

Other popular airlines flying from Seattle to Baltimore are:

United offers 19 nonstop flights and 904 connecting flights per week. United flies from Seattle-Tacoma International Airport (SEA) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .
Southwest offers 587 connecting flights per week. Southwest flies from Seattle-Tacoma International Airport (SEA) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .
American offers 571 connecting flights per week. American flies from Seattle-Tacoma International Airport (SEA) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .
Frontier offers 61 connecting flights per week. Frontier flies from Seattle-Tacoma International Airport (SEA) to Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) .

The number of connecting flights refers to distinct flights with at least one stop between Seattle and Baltimore.

The cheapest round-trip flight from Seattle to Baltimore recently found on Google Flights was with Southwest from $207. The cheapest one-way flight was with Southwest from $99.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Alaska flight from Seattle to Baltimore is $335, flying from Jul 13 to Jul 21.
The cheapest United flight from Seattle to Baltimore is $237, flying from May 28 to Jun 3.
The cheapest Delta flight from Seattle to Baltimore is $341, flying from Jun 4 to Jun 10.
The cheapest Southwest flight from Seattle to Baltimore is $207, flying from Jun 4 to Jun 13.
The cheapest American flight from Seattle to Baltimore is $265, flying from May 28 to Jun 5.
The cheapest Frontier flight from Seattle to Baltimore is $244, flying from Jul 31 to Aug 8.

Alaska, Delta and United fly direct from Seattle to Baltimore.

There are 45 Alaska direct flights from Seattle to Baltimore per week. Flights are available every day.
There are 19 United direct flights from Seattle to Baltimore per week. Flights are available every day.
There are 14 Delta direct flights from Seattle to Baltimore per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Seattle and Baltimore at price $410 is offered by Frontier from Fri, May 8 to Mon, May 11.

Alaska, Delta and United fly direct from Seattle to Baltimore.

There are 45 Alaska direct flights from Seattle to Baltimore per week. Flights are available every day.
There are 19 United direct flights from Seattle to Baltimore per week. Flights are available every day.
There are 14 Delta direct flights from Seattle to Baltimore per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Seattle to Baltimore on a daily basis.

The cheapest direct (nonstop) round-trip flights between Seattle and Baltimore start at $335 from Mon, Jul 13 to Tue, Jul 21 with Alaska.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Seattle to Baltimore, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Seattle and Baltimore start at $508 from Fri, Jul 31 to Sun, Aug 9 with Frontier.

The cheapest economy class round-trip flights between Seattle and Baltimore start at $207 from Thu, Jun 4 to Sat, Jun 13.

To book business class trips from Seattle to Baltimore, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Seattle and Baltimore starts at $410 from Fri, May 8 to Mon, May 11 with Frontier.

The cheapest last-minute deal between Seattle and Baltimore at price $410 is offered by Frontier from Fri, May 8 to Mon, May 11.

To find last-minute flight deals from Seattle to Baltimore, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.