Cheap flights from Baltimore to Seattle

Flights overview

Useful information for finding cheap flights from Baltimore to Seattle and booking your next trip
Cheapest round-trip flightsHK$1,237
DeltaNonstop6 hrThu, Jan 22 — Wed, Jan 28
The cheapest round-trip flight from Baltimore to Seattle is currently HK$1,237
Cheapest one-way flightHK$620
Frontier1 stop25 hrWed, Jan 21
The cheapest one-way flight from Baltimore to Seattle is currently HK$620
Last-minute weekend getawayHK$3,720
United1 stop12 hrSat, Dec 27 — Sun, Dec 28
The cheapest last-minute weekend getaway from Baltimore to Seattle is currently HK$3,720
Cheapest business class flightsHK$7,244
DeltaNonstop6 hrThu, Jan 29 — Wed, Feb 4
The cheapest business class round-trip flight from Baltimore to Seattle is currently HK$7,244
Fastest flight5 hr 45 minThe fastest nonstop flight from Baltimore to Seattle takes 5 hr 45 min
Nonstop flightsEvery dayThere are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Baltimore to Seattle is typically September. The most expensive month to fly is typically July.
September
Cheapest
Typical prices: HK$1,300–2,200
July
Most expensive
Typical prices: HK$1,950–2,650

Popular airlines from Baltimore to Seattle

  • Alaska
    Nonstop
    from HK$1,546
    Typical price: HK$2,200–4,800
    41 weekly nonstop flights
    BWI, DCA, IAD - SEAEvery day
    52 weekly connecting flights
    DCA, IAD - SEAEvery day
  • United
    Nonstop
    from HK$1,549
    Typical price: HK$2,100–4,150
    14 weekly nonstop flights
    IAD - SEAEvery day
    738 weekly connecting flights
    BWI, DCA, IAD - SEAEvery day
  • Delta
    Nonstop
    from HK$1,237
    Typical price: HK$1,950–4,750
    12 weekly nonstop flights
    DCA, IAD - SEAEvery day
    819 weekly connecting flights
    BWI, DCA, IAD - SEAEvery day
  • Southwest
    from HK$1,388
    Typical price: HK$2,350–4,600
    485 weekly connecting flights
    BWI, DCA, IAD - SEAEvery day
  • American
    from HK$1,388
    Typical price: HK$2,000–4,450
    470 weekly connecting flights
    BWI, DCA, IAD - SEAEvery day
  • Frontier
    from HK$1,284
    Typical price: HK$1,650–4,200
    54 weekly connecting flights
    BWI, DCA, IAD - SEAEvery day

Popular airports near Baltimore

  • Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI)
    BaltimoreUnited States19 min13 km
  • Dulles International Airport (IAD)
    WashingtonUnited States1 hr 24 min82 km
  • Ronald Reagan Washington National Airport (DCA)
    WashingtonUnited States1 hr 3 min61 km
  • Philadelphia International Airport (PHL)
    PhiladelphiaUnited States1 hr 37 min133 km

Popular airports near Seattle

  • Seattle-Tacoma International Airport (SEA)
    SeattleUnited States18 min17 km
  • Paine Field (PAE)
    EverettUnited States31 min33 km
  • King County International Airport - Boeing Field (BFI)
    SeattleUnited States11 min8 km
  • Portland International Airport (PDX)
    PortlandUnited States2 hr 44 min225 km

Frequently asked questions about flying from Baltimore to Seattle

The cheapest flights from Baltimore to Seattle are usually in September. Typical ticket prices in September range from HK$1,300 to HK$2,200.
The cheapest round-trip flight from Baltimore to Seattle recently found on Google Flights was with Delta from HK$1,237. The cheapest one-way flight was with Frontier from HK$620.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Alaska flight from Baltimore to Seattle is HK$1,546, flying from Jan 22 to Jan 28.
  • The cheapest United flight from Baltimore to Seattle is HK$1,549, flying from Jan 22 to Jan 28.
  • The cheapest Delta flight from Baltimore to Seattle is HK$1,237, flying from Jan 22 to Jan 28.
  • The cheapest Southwest flight from Baltimore to Seattle is HK$1,388, flying from Jan 23 to Jan 29.
  • The cheapest American flight from Baltimore to Seattle is HK$1,388, flying from Jan 22 to Jan 28.
  • The cheapest Frontier flight from Baltimore to Seattle is HK$1,284, flying from Jan 24 to Feb 2.
The cheapest round-trip flight from Baltimore to Seattle starts at HK$1,237 from Thu, Jan 22 to Wed, Jan 28. The cheapest one-way flight starts at HK$620 and departs on Wed, Jan 21.
5 hr 45 min is the shortest flight time from Baltimore to Seattle.
Most visitors come May–Sep, a period encompassing events such as the Seattle International Film Festival (May); Seafair (Jul), a summer festival including boat races, marathons and parades; and Bumbershoot (Sep), an international music and arts festival. Rainy season is Nov–May, though rain is possible year-round.
It's easy to use Google Flights to find the cheapest days to fly from Baltimore to Seattle.
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 Baltimore to Seattle 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 Baltimore to Seattle.

In terms of nonstop flights, Alaska is the most popular. Alaska offers 41 nonstop flights and 52 connecting flights per week. Alaska flies from Ronald Reagan Washington National Airport (DCA), Dulles International Airport (IAD), Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) to Seattle-Tacoma International Airport (SEA).

In terms of flights, Delta is the most popular. Delta offers 12 nonstop flights and 819 connecting flights per week. Delta flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI), Ronald Reagan Washington National Airport (DCA), Dulles International Airport (IAD) to Seattle-Tacoma International Airport (SEA).

Other popular airlines flying from Baltimore to Seattle are:
  • United offers 14 nonstop flights and 738 connecting flights per week. United flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI), Ronald Reagan Washington National Airport (DCA), Dulles International Airport (IAD) to Seattle-Tacoma International Airport (SEA).
  • Southwest offers 485 connecting flights per week. Southwest flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI), Ronald Reagan Washington National Airport (DCA), Dulles International Airport (IAD) to Seattle-Tacoma International Airport (SEA).
  • American offers 470 connecting flights per week. American flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI), Ronald Reagan Washington National Airport (DCA), Dulles International Airport (IAD) to Seattle-Tacoma International Airport (SEA).
  • Frontier offers 54 connecting flights per week. Frontier flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI), Ronald Reagan Washington National Airport (DCA), Dulles International Airport (IAD) to Seattle-Tacoma International Airport (SEA).
The number of connecting flights refers to distinct flights with at least one stop between Baltimore and Seattle.
The cheapest round-trip flight from Baltimore to Seattle recently found on Google Flights was with Delta from HK$1,237. The cheapest one-way flight was with Frontier from HK$620.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Alaska flight from Baltimore to Seattle is HK$1,546, flying from Jan 22 to Jan 28.
  • The cheapest United flight from Baltimore to Seattle is HK$1,549, flying from Jan 22 to Jan 28.
  • The cheapest Delta flight from Baltimore to Seattle is HK$1,237, flying from Jan 22 to Jan 28.
  • The cheapest Southwest flight from Baltimore to Seattle is HK$1,388, flying from Jan 23 to Jan 29.
  • The cheapest American flight from Baltimore to Seattle is HK$1,388, flying from Jan 22 to Jan 28.
  • The cheapest Frontier flight from Baltimore to Seattle is HK$1,284, flying from Jan 24 to Feb 2.
Alaska, Delta and United fly direct from Baltimore to Seattle.
  • There are 41 Alaska direct flights from Baltimore to Seattle per week. Flights are available every day.
  • There are 14 United direct flights from Baltimore to Seattle per week. Flights are available every day.
  • There are 12 Delta direct flights from Baltimore to Seattle 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 Baltimore and Seattle at price HK$3,720 is offered by United from Sat, Dec 27 to Sun, Dec 28.
Alaska, Delta and United fly direct from Baltimore to Seattle.
  • There are 41 Alaska direct flights from Baltimore to Seattle per week. Flights are available every day.
  • There are 14 United direct flights from Baltimore to Seattle per week. Flights are available every day.
  • There are 12 Delta direct flights from Baltimore to Seattle 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 Baltimore to Seattle on a daily basis.
The cheapest direct (nonstop) round-trip flights between Baltimore and Seattle start at HK$1,237 from Thu, Jan 22 to Wed, Jan 28 with Delta.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Baltimore to Seattle, 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 Baltimore and Seattle start at HK$7,244 from Thu, Jan 29 to Wed, Feb 4 with Delta.
The cheapest economy class round-trip flights between Baltimore and Seattle start at HK$1,237 from Thu, Jan 22 to Wed, Jan 28.
To book business class trips from Baltimore to Seattle, 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 Baltimore and Seattle starts at HK$3,720 from Sat, Dec 27 to Sun, Dec 28 with United.
The cheapest last-minute deal between Baltimore and Seattle at price HK$3,720 is offered by United from Sat, Dec 27 to Sun, Dec 28.
To find last-minute flight deals from Baltimore to Seattle, 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.

Search more flights

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