Flights from Seattle (SEA) to Baltimore (BWI) on Alaska Airlines

Lowest fares from Seattle to Baltimore

Sep 2026
From$309*
Seen: 15 hours ago
Flight Type One Way|Saver
Oct 2026
From$199*
Seen: 15 hours ago
Flight Type One Way|Saver
Nov 2026
From$199*
Seen: 15 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $224
cmp-daily-histogram-bars-legend-max-price-aria-label $369
Displaying fares for September-2026
  • SEA–BWI, Sep 12, 2026: From $359
    12

    Sa

    SEP

  • SEA–BWI, Sep 13, 2026: From $359
    13

    Su

  • SEA–BWI, Sep 14, 2026: From $369
    14

    Mo

  • SEA–BWI, Sep 15, 2026: From $369
    15

    Tu

  • SEA–BWI, Sep 16, 2026: From $369
    16

    We

  • SEA–BWI, Sep 17, 2026: From $369
    17

    Th

  • SEA–BWI, Sep 18, 2026: From $359
    18

    Fr

  • SEA–BWI, Sep 19, 2026: From $359
    19

    Sa

  • SEA–BWI, Sep 20, 2026: From $369
    20

    Su

  • SEA–BWI, Sep 21, 2026: From $359
    21

    Mo

  • SEA–BWI, Sep 22, 2026: From $359
    22

    Tu

  • SEA–BWI, Sep 23, 2026: From $359
    23

    We

  • SEA–BWI, Sep 24, 2026: From $313
    24

    Th

  • SEA–BWI, Sep 25, 2026: From $309
    25

    Fr

  • SEA–BWI, Sep 26, 2026: From $309
    26

    Sa

  • SEA–BWI, Sep 27, 2026: From $309
    27

    Su

  • SEA–BWI, Sep 28, 2026: From $309
    28

    Mo

  • SEA–BWI, Sep 29, 2026: From $309
    29

    Tu

  • SEA–BWI, Sep 30, 2026: From $309
    30

    We

  • SEA–BWI, Oct 1, 2026: From $224
    01

    Th

    OCT

  • SEA–BWI, Oct 2, 2026: From $224
    02

    Fr

  • SEA–BWI, Oct 3, 2026: From $353
    03

    Sa

  • SEA–BWI, Oct 4, 2026: From $309
    04

    Su

  • SEA–BWI, Oct 5, 2026: From $224
    05

    Mo

  • SEA–BWI, Oct 6, 2026: From $234
    06

    Tu

  • SEA–BWI, Oct 7, 2026: From $274
    07

    We

  • SEA–BWI, Oct 8, 2026: From $309
    08

    Th

  • SEA–BWI, Oct 9, 2026: From $224
    09

    Fr

  • SEA–BWI, Oct 10, 2026: From $364
    10

    Sa

  • SEA–BWI, Oct 11, 2026: From $264
    11

    Su

    • Range$224-$369

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    One-way low-fare flights Seattle to Baltimore.*

    $
    keyboard_arrow_down
    One-way low-fare flights Seattle to Baltimore.*
    From
    To
    Fare Type
    Dates
    Price
    Seattle (SEA)Baltimore (BWI)One-way
    |
    Saver    		Depart: Dec 9, 2026

    From

    $199

    Seen: 15 hours ago

    Seattle (SEA)Baltimore (BWI)One-way
    |
    Saver    		Depart: Nov 7, 2026

    From

    $199

    Seen: 15 hours ago

    Seattle (SEA)Baltimore (BWI)One-way
    |
    Saver    		Depart: Nov 17, 2026

    From

    $199

    Seen: 15 hours ago

    Seattle (SEA)Baltimore (BWI)One-way
    |
    Saver    		Depart: Dec 2, 2026

    From

    $199

    Seen: 15 hours ago

    Seattle (SEA)Baltimore (BWI)One-way
    |
    Saver    		Depart: Oct 27, 2026

    From

    $199

    Seen: 15 hours ago

    Seattle (SEA)Baltimore (BWI)One-way
    |
    Saver    		Depart: Dec 12, 2026

    From

    $199

    Seen: 15 hours ago

    Seattle (SEA)Baltimore (BWI)One-way
    |
    Saver    		Depart: Jan 5, 2027

    From

    $199

    Seen: 15 hours ago

    Seattle (SEA)Baltimore (BWI)One-way
    |
    Saver    		Depart: Jan 12, 2027

    From

    $199

    Seen: 15 hours ago

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    Frequently Asked Questions on flights from Seattle (SEA) to Baltimore (BWI)

    When is the best time to book a flight from Seattle to Baltimore?

    Want to find the lowest fares by day and time flying from Seattle to Baltimore on Alaska Airlines or Hawaiian Airlines? Check out our flight search widget.Frequently Asked Questions on flights from Seattle (SEA) to Baltimore (BWI)

    Can I earn points on my flight to Baltimore?

    Yes, with Atmosâ„¢ Rewards you can earn points on flights to 1000+ destinations worldwide through the growing network of Alaska and Hawaiian Airlines. Not an Atmosâ„¢ Rewards member yet? Learn more and join today.

    Can I rent a car when I arrive at Balt./Wash. International Airport?

    Yes, you can rent a car at Balt./Wash. International Airport. Check availability and book now

    Where can I find the status of my flight to Baltimore

    You can check the status of your upcoming Alaska Airlines on our flight schedule page.

    Where can I find answers to questions about flying with Alaska Airlines?

    Visit the Alaska Airlines Help Center to quickly browse our help pages by category to find the information you need.

    Can I change or cancel my Alaska Airlines flight to Baltimore?

    Yes, you can review, modify, or cancel a reservation from our Manage Your Reservation tool. You can learn more about our policy for changing or cancelling a reservation here. 

    Explore Alaska Airlines's Flights to Top-Pick Destinations