Southwest® flights from Washington, D.C. (Reagan National) to Hilo (Island of Hawaii) from $738

Promo Code

Low fares from Washington, D.C. (Reagan National) to Hilo (Island of Hawaii)

$

Washington, D.C. (Reagan National) (DCA)to

Hilo (Island of Hawaii) (ITO)
Depart: 05/20/2026

One-way

Choice

From
$738
Seen: 20 hrs ago

Washington, D.C. (Reagan National) (DCA)to

Hilo (Island of Hawaii) (ITO)
Depart: 05/20/2026

One-way

Choice Preferred

From
$823
Seen: 20 hrs ago

Washington, D.C. (Reagan National) (DCA)to

Hilo (Island of Hawaii) (ITO)
Depart: 06/07/2026

One-way

Choice

From
$849
Seen: 2 hrs ago

Washington, D.C. (Reagan National) (DCA)to

Hilo (Island of Hawaii) (ITO)
Depart: 05/20/2026

One-way

Choice Extra

From
$893
Seen: 20 hrs ago

Washington, D.C. (Reagan National) (DCA)to

Hilo (Island of Hawaii) (ITO)
Depart: 06/07/2026

One-way

Choice Preferred

From
$934
Seen: 2 hrs ago

Washington, D.C. (Reagan National) (DCA)to

Hilo (Island of Hawaii) (ITO)
Depart: 06/07/2026

One-way

Choice Extra

From
$1,004
Seen: 2 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 Washington, D.C. (Reagan National) to Hilo (Island of Hawaii)

Try alternate month or interact with individual days below in order to find offers.
Apr 2026
No result for this month.
May 2026
From$738*
Seen: 21 hrs ago
One Way/Basic
Jun 2026
From$849*
Seen: 2 hrs ago
One Way/Basic
Displaying fares for April-2026
  • 06

    Mon

    APR

  • 07

    Tue

  • 08

    Wed

  • 09

    Thu

  • 10

    Fri

  • 11

    Sat

  • 12

    Sun

  • 13

    Mon

  • 14

    Tue

  • 15

    Wed

  • 16

    Thu

  • 17

    Fri

  • 18

    Sat

  • 19

    Sun

  • 20

    Mon

  • 21

    Tue

  • 22

    Wed

  • 23

    Thu

  • 24

    Fri

  • 25

    Sat

  • 26

    Sun

  • 27

    Mon

  • 28

    Tue

  • 29

    Wed

  • 30

    Thu

  • 01

    Fri

    MAY

  • 02

    Sat

  • 03

    Sun

  • 04

    Mon

  • 05

    Tue

    • *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:
    Ronald Reagan National Airport
    Arriving at:
    Hilo International Airport
    Distance:
    4751 miles

    Route Information

    2† 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 2 weekly flights from Washington, D.C. (Reagan National) to Hilo (Island of Hawaii) on Southwest Airlines.
    To find the lowest fares by day and time to fly Washington, D.C. (Reagan National) to Hilo (Island of Hawaii) with Southwest, check out our Low Fare Calendar.
    You can rent a car at Hilo International Airport book yours with your flight.
    Yes! Flights from Washington, D.C. (Reagan National) to Hilo (Island of Hawaii)—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 Washington, D.C. (Reagan National)