Irregular Operations Have Resulted In Southwest Changing My Original International Flight Itinerary. Can I Make Further Changes

If your international flight itinerary has been impacted by circumstances beyond Southwest’s control (weather, etc), you may change your travel date/time at no additional cost, but you must contact Customer Service via phone in order to do so. For calls from the U.S., contact Customer Service at 1-800-I-FLY-SWA (1-800-435-9792).

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