FlyerTalk Forums - View Single Post - Reasons to book all Southwest travel as one-way rather than round-trip
Old Mar 25, 2013 | 1:06 pm
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FindAWay
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Additional Reasons/Details for One-Way Bookings over Round-Trip:
  1. Canceling/Changing the outbound one-way without affecting the return or the return without much effort.
  2. Booking multiple options early (at lower fares) for either outbound or return until travel plans are firmed-up (whereupon one can cancel the redundant not-to-be-used one-ways).

Reasons/Details Why One Might Prefer Round-Trip over One-Way Bookings:
  1. Promo Codes (as nsx notes) - This is the only reason I ever book round-trip itineraries.
  2. September 11th Security Fees - IIRC, if a round-trip has 5 (or more) segments, the security fees are capped at $10 (whereas one might pay $12.50 or more for the same trip if using one-way bookings).
  3. Irregular Operations (WX, MX, Etc.) - If you have a trip where your return would be affected by a problem with the outbound (e.g., a short trip where there is a weather advisory affecting the outbound), it is easier to deal with if it were booked as a round-trip (however, some have reported not having much of a problem if booked as one-ways).
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