Southwest® flights from Santa Barbara to Washington, D.C. (Dulles) from $329

Promo Code

Low fares from Santa Barbara to Washington, D.C. (Dulles)

$

Santa Barbara (SBA)to

Washington, D.C. (Dulles) (IAD)
Depart: 03/31/2026

One-way

Basic

From
$329
Seen: 1 hour ago

Santa Barbara (SBA)to

Washington, D.C. (Dulles) (IAD)
Depart: 03/31/2026

One-way

Choice

From
$369
Seen: 1 hour ago

Santa Barbara (SBA)to

Washington, D.C. (Dulles) (IAD)
Depart: 05/14/2026

One-way

Basic

From
$369
Seen: 4 hrs ago

Santa Barbara (SBA)to

Washington, D.C. (Dulles) (IAD)
Depart: 05/14/2026

One-way

Choice

From
$409
Seen: 4 hrs ago

Santa Barbara (SBA)to

Washington, D.C. (Dulles) (IAD)
Depart: 03/31/2026

One-way

Choice Preferred

From
$449
Seen: 1 hour ago

Santa Barbara (SBA)to

Washington, D.C. (Dulles) (IAD)
Depart: 03/26/2026

One-way

Choice

From
$469
Seen: 3 hrs ago

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

Find low fares

Explore flights from Santa Barbara to Washington, D.C. (Dulles)

Mar 2026
From$329*
Seen: 1 hour ago
One Way/Basic
Apr 2026
No result for this month.
May 2026
From$369*
Seen: 4 hrs ago
One Way/Basic
$329
Displaying fares for March-2026
  • 17

    Tue

    MAR

  • 18

    Wed

  • 19

    Thu

  • 20

    Fri

  • 21

    Sat

  • 22

    Sun

  • 23

    Mon

  • 24

    Tue

  • 25

    Wed

  • 26

    Thu

  • 27

    Fri

  • 28

    Sat

  • 29

    Sun

  • 30

    Mon

  • 31

    Tue

  • 01

    Wed

    APR

  • 02

    Thu

  • 03

    Fri

  • 04

    Sat

  • 05

    Sun

  • 06

    Mon

  • 07

    Tue

  • 08

    Wed

  • 09

    Thu

  • 10

    Fri

  • 11

    Sat

  • 12

    Sun

  • 13

    Mon

  • 14

    Tue

  • 15

    Wed

  • 16

    Thu

    • Range$329-$564

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Santa Barbara Municipal Airport
    Arriving at:
    Dulles International Airport
    Distance:
    2353 miles

    Route Information

    28† Weekly flights

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    There are 28 weekly flights from Santa Barbara to Washington, D.C. (Dulles) on Southwest Airlines.
    To find the lowest fares by day and time to fly Santa Barbara to Washington, D.C. (Dulles) with Southwest, check out our Low Fare Calendar.
    You can rent a car at Dulles International Airport book yours with your flight.
    Yes! Flights from Santa Barbara to Washington, D.C. (Dulles)—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

    Explore Flights from Other Popular Origins

    Popular Flights from Santa Barbara