Southwest sale: 40% off flights to Hawaii
Update: Some offers mentioned below are no longer available. View the current offers here.
It's that time of year again: Southwest Airlines is offering 40% off flights to Hawaii for travel through much of 2025.
Use the code "HAWAII40" through Thursday to book travel through May 2025.
Deal basics

Airline: Southwest Airlines
Routes: Valid for select flights between the continental U.S. and Hawaii, excluding John Wayne Airport (SNA) in Santa Ana, California
How to book: Directly with Southwest Airlines using the promo code "HAWAII40"
Travel dates: Dec. 3, 2024, to May 22, 2025
Book by: Thursday at 11:59 p.m. PST
Blackout dates (depending on the route):
- Feb. 13-16, 2025
- Feb. 21-23, 2025
- March 14 through April 27, 2025
- March 17 through April 19, 2025
Sale fares are limited based on availability, and they apply to nonstop travel (when available) or a single connecting service. The discount does not cover the taxes and fees that will be charged each way.
Sample flights
Because Southwest does not generally specify its sale routes, you can either search for your desired route or check the Low Fare Calendar to see which routes are available.
If you use the carrier's search engine, you'll know the promo code was applied when you see a green banner at the top indicating such, along with the green price tag.

if you use the Low Fare Calendar, sale fares will appear under the crossed-out original price.

Based on a test search conducted for this story, you could book a round-trip ticket from Chicago's Midway International Airport (MDW) to Kahului Airport (OGG) in early May for $425.

This sale includes Wanna Get Away and Wanna Get Away Plus fares, which allow travelers two free checked bags, one free carry-on and one personal item. These tiers also include free inflight entertainment and messaging.

You can change or cancel flights up to 10 minutes before departure. However, if you cancel a Wanna Get Away trip, you will receive a flight credit in lieu of a refund.
Maximize your purchase
If you book this deal (or any flight), use a credit card that earns bonus points on airfare purchases, such as:
- Southwest Rapid Rewards® Plus Credit Card (see rates and fees): 2 points per dollar spent on Southwest purchases
- Southwest Rapid Rewards® Priority Credit Card (see rates and fees): 4 points per dollar spent on Southwest purchases
- American Express® Gold Card: 3 points per dollar spent on airfare when booked directly with the airline or through amextravel.com
- The Platinum Card® from American Express: 5 points per dollar spent on airfare when booked directly with the airline or through Amex Travel® (on up to $500,000 of these purchases per calendar year, then 1 point per dollar)
- Chase Sapphire Reserve® (see rates and fees): 8 points per dollar on all Chase Travel℠ purchases and 4 points per dollar on flights booked directly through the airline
- Chase Sapphire Preferred® Card (see rates and fees): 2 points per dollar spent on travel
Bottom line

This sale applies to both cash and points bookings on Southwest flights, and it's valid for travel to Hawaii through May 22. Book through Thursday to save.
Related reading:
- How to redeem your points with the Southwest Rapid Rewards program
- How to snag the best seats on Southwest Airlines
- How to earn and use the Southwest Companion Pass
- The best time to visit Hawaii for good weather, smaller crowds, deals and more
- Save money: How you can book flights to Hawaii using points and miles
- Best hotels and resorts in Hawaii
TPG featured card
at American Express's secure site
Terms & restrictions apply. See rates & fees.
| 3X | Earn 3X Miles on Delta purchases. |
| 1X | Earn 1X Miles on all other eligible purchases. |
Pros
- Delta SkyClub access when flying Delta
- Annual companion ticket for travel on Delta (upon renewal)
- Ability to earn MQDs through spending
- Various statement credits for eligible purchases
Cons
- Steep annual fee of $650
- Other Delta cobranded cards offer superior earning categories
- Earn 100,000 Bonus Miles after you spend $6,000 or more in purchases with your new Card within the first 6 months of Card Membership and an additional 25,000 bonus miles after you make an additional $3,000 in purchases on the Card within your first 6 months, starting from the date that your account is opened. Offer Ends 04/01/2026.
- Delta SkyMiles® Reserve American Express Card Members receive 15 Visits per Medallion® Year to the Delta Sky Club® when flying Delta and can unlock an unlimited number of Visits after spending $75,000 in purchases on your Card in a calendar year. Plus, you’ll receive four One-Time Guest Passes each Medallion Year so you can share the experience with family and friends when traveling Delta together.
- Enjoy complimentary access to The Centurion® Lounge in the U.S. and select international locations (as set forth on the Centurion Lounge Website), Sidecar by The Centurion® Lounge in the U.S. (see the Centurion Lounge Website for more information on Sidecar by The Centurion® Lounge availability), and Escape Lounges when flying on a Delta flight booked with the Delta SkyMiles® Reserve American Express Card. § To access Sidecar by The Centurion® Lounge, Card Members must arrive within 90 minutes of their departing flight (including layovers). To access The Centurion® Lounge, Card Members must arrive within 3 hours of their departing flight. Effective July 8, 2026, during a layover, Card Members must arrive within 5 hours of the connecting flight.
- Receive $2,500 Medallion® Qualification Dollars with MQD Headstart each Medallion Qualification Year and earn $1 MQD for each $10 in purchases on your Delta SkyMiles® Reserve American Express Card with MQD Boost to get closer to Status next Medallion Year.
- Enjoy a Companion Certificate on a Delta First, Delta Comfort, or Delta Main round-trip flight to select destinations each year after renewal of your Card. The Companion Certificate requires payment of government-imposed taxes and fees of between $22 and $250 (for itineraries with up to four flight segments). Baggage charges and other restrictions apply. Delta Basic experiences are not eligible for this benefit.
- $240 Resy Credit: When you use your Delta SkyMiles® Reserve American Express Card for eligible purchases with U.S. Resy restaurants, you can earn up to $20 each month in statement credits. Enrollment required.
- $120 Rideshare Credit: Earn up to $10 back in statement credits each month after you use your Delta SkyMiles® Reserve American Express Card to pay for U.S. rideshare purchases with select providers. Enrollment required.
- Delta SkyMiles® Reserve American Express Card Members get 15% off when using miles to book Award Travel on Delta flights through delta.com and the Fly Delta app. Discount not applicable to partner-operated flights or to taxes and fees.
- With your Delta SkyMiles® Reserve American Express Card, receive upgrade priority over others with the same Medallion tier, product and fare experience purchased, and Million Miler milestone when you fly with Delta.
- Earn 3X Miles on Delta purchases and earn 1X Miles on all other eligible purchases.
- No Foreign Transaction Fees. Enjoy international travel without additional fees on purchases made abroad.
- $650 Annual Fee.
- Apply with confidence. Know if you're approved for a Card with no impact to your credit score. If you're approved and you choose to accept this Card, your credit score may be impacted.
- Terms Apply.
- See Rates & Fees


