Fare of the Day: Boston to Las Vegas $169 RT including taxes

Fly from Boston to Las Vegas for $169 round-trip including taxes on Southwest.

This fare is available for travel on just a few select dates Jan. 29, 30; Feb. 13, 19, 20, 26, 27, & Mar. 5 using Southwest's promo code THANKYOU. Price may vary depending on exact dates. This is the lowest price we found using those dates departing Boston Feb. 26 & returning Mar. 5. This promo code expires TODAY, so book fast.

For booking info, view our Fare Details page.