- $4 is $4 that includes one-way fares as low as $29.
The sale runs from Tuesday until Thursday at 11:59 p.m. PST, and flights must be booked between August 20 and December 18.
- There are $49 tickets available on over 200 routes.
- $4
Southwest Airlines is $4 that includes one-way fares as low as $29.
The sale runs from Tuesday until Thursday at 11:59 p.m. PST, and flights must be booked between August 20 and December 18.
Read more: $4
The cheapest one-way tickets cost $29 and run from Honolulu, HI, to Kahului, HI, and Kona, HI, as well as from Kahului and Kona to Honolulu.
There are also $39 tickets on the following routes:
- Burbank, CA to San Jose
- Sacramento to San Diego
- San Diego to Sacramento
- San Diego to San Jose
- San Jose to Burbank
- San Jose to San Diego
There are $49 tickets available on over 200 routes, including the following:
- Baltimore/Washington to Boston
- Boston to Baltimore/Washington
- Chicago to St. Louis
- St. Louis to Chicago
- Houston to Austin
- Austin to Houston
- Los Angeles to San Francisco
- San Francisco to Los Angeles
You can see all of the routes that are on sale $4.