How does to cost to fly form st.louis,mo to Hawaii using southwest airlines?

Southwest Airlines does not fly into Hawaii. You will have to go either American, United, Continental or Delta.
Sorry, you may need to unpack your Walmart bags if you thought you were gonna git there on Southwest.

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Depends on what dates you are flying.



Check the website.
that depends on alot of things.



1) do you want to fly coach or first/business class? coach is obviously way cheaper, and is the most common. don