$174 Cheap Southwest Airlines flights Phoenix (PHX) to Liberia (LIR)

You can discover cheap return Southwest Airlines flights from $373 from PHX to LIR by sorting your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $174 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

To get cheap flights from PHX to LIR with Southwest Airlines, begin your search about one month before your intended departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another useful tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

Sort your results by "Early Morning" and "Morning" to browse the earliest departures from PHX to LIR. Leaving early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.