Title: Phoenix to Monrovia cheap flights from $960 (PHX to ROB) - Expedia.com ![aerial view of monrovia the harbour of liberia](https://images.trvl-media.com/place/2353/fdc06396-59ac-4af5-bc78-4f9b3ce18f4d.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/2353/fdc06396-59ac-4af5-bc78-4f9b3ce18f4d.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $960 Cheap Flights from Phoenix (PHX) to Monrovia (ROB) [View $960 flight on Fri, May 8, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:PHX,to:ROB,departure:5/8/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:959.21&airProductToken=AQqRAQovCNecARIEMzc4OBjvuQEgg2ko-L6MAzDhv4wDOEFAAFgBagJSU3IIUUxWM1BYT1cKLgjUlgESAzIwMhiDaSDInAEokcmMAzDSzowDOFFAAVgBagJSU3IIUUxWM1BYT1cKLgjUlgESAzYyNxjInAEg0Qsoi9WMAzCG2owDOFFAAVgBagJSU3IIUUxWM1BYT1cSCggBEAEYASoCVEsYASIECAEQASgCKAQoBjAB) ## Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Monrovia (ROB-Roberts Intl.) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AT.svg) Royal Air Maroc [](https://www.expedia.com/Flights-Search?leg1=from:PHX,to:ROB,departure:4/16/2026TANYT&leg2=from:ROB,to:PHX,departure:4/23/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AT"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.com/Flights-Search?leg1=from:PHX,to:ROB,departure:4/16/2026TANYT&leg2=from:ROB,to:PHX,departure:4/23/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_SN.svg) Brussels Airlines [](https://www.expedia.com/Flights-Search?leg1=from:PHX,to:ROB,departure:4/16/2026TANYT&leg2=from:ROB,to:PHX,departure:4/23/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:PHX,to:ROB,departure:4/16/2026TANYT&leg2=from:ROB,to:PHX,departure:4/23/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.com/Flights-Search?leg1=from:PHX,to:ROB,departure:4/16/2026TANYT&leg2=from:ROB,to:PHX,departure:4/23/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TK.svg) Turkish Airlines [](https://www.expedia.com/Flights-Search?leg1=from:PHX,to:ROB,departure:4/16/2026TANYT&leg2=from:ROB,to:PHX,departure:4/23/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TK"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Cheap Flights from Phoenix to Monrovia (PHX-ROB) Prices were available within the past 7 days and start at $960 for one-way flights and $1,911 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Apr 16 - Sun, May 3 PHX Phoenix ROB Monrovia $1,911 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PHX,to:ROB,departure:4/16/2026TANYT&leg2=from:ROB,to:PHX,departure:5/3/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1910.62&airProductToken=AQqAAQoqCNWCARIEMTg3MxjvuQEgiBgo68CKAzD1wooDOEtAAFgBcgdUTFhFU1VTCigIxagBEgM1MDEYiBgg4Bgon8yKAzC60ooDOFRAAVgBcgdUTFhFU1VTCigIxagBEgM5NDMY4Bgg0QsoltSKAzC114oDOFRAAVgBcgdUTFhFU1VTCn8KKAjFqAESAzk0MhjRCyDgGCi5_osDMN2BjAM4SEAAWAFyB0hMWEVTVVMKKAjFqAESAzU3NBjgGCCuHCi8gowDMNuKjAM4SEABWAFyB0hMWEVTVVMKKQjVggESAzYwMhiuHCDvuQEol5CMAzCNkowDOEtAAVgBcgdITFhFU1VTEgoIARABGAEqAkVUGAEiBAgBEAEoAigEKAYwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Apr 16 - Sun, May 3 PHX Phoenix ROB Monrovia $1,915 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PHX,to:ROB,departure:4/16/2026TANYT&leg2=from:ROB,to:PHX,departure:5/3/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1914.64&airProductToken=AQqAAQoqCNWCARIEMTg3MxjvuQEgiBgo68CKAzD1wooDOEtAAFgBcgdUTFhFU1VTCigIxagBEgM1MDEYiBgg4Bgon8yKAzC60ooDOFRAAVgBcgdUTFhFU1VTCigIxagBEgM5NDMY4Bgg0QsoltSKAzC114oDOFRAAVgBcgdUTFhFU1VTCn8KKAjFqAESAzk0MhjRCyDgGCi5_osDMN2BjAM4SEAAWAFyB0hMWEVTVVMKKAjFqAESAzU3NBjgGCCuHCi8gowDMNuKjAM4SEABWAFyB0hMWEVTVVMKKQjVggESAzYwMhiuHCDvuQEol5CMAzCNkowDOEtAAVgBcgdITFhFU1VTEgwIARABGAEqAkVUMgAYASIECAEQASgCKAQoBjAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Nov 21 - Thu, Jan 21 PHX Phoenix ROB Monrovia $1,918 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PHX,to:ROB,departure:11/21/2026TANYT&leg2=from:ROB,to:PHX,departure:1/21/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1917.75&airProductToken=AQqAAQoqCNWCARIEMTIxMBjvuQEgrhwo--WdAzDN550DOEtAAFgBcgdUTFdFU1VTCigIxagBEgM1NzUYrhwg4BgoseydAzDq8p0DOFRAAVgBcgdUTFdFU1VTCigIxagBEgM5NDMY4Bgg0Qso9vOdAzCV950DOFRAAVgBcgdUTFdFU1VTCpYBCkAIxagBEgQxMDA2GNELIKuxASjCi6MDMJSNowM4UUAAWAFyB1FMWEVTVVN6CQjLoAESAzAyMXoJCMugARIDMDIxCikIxagBEgM1MTQYq7EBIKlRKIyOowMwm5OjAzhRQAFYAXIHUUxYRVNVUwonCMJsEgIzNRipUSDvuQEo5pijAzDDm6MDOE1AAVgBcgdRTFhFU1VTEgoIARABGAEqAkVUGAEiBAgBEAEoAigEKAYwAQ) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Thu, Nov 26 - Fri, Jan 15 PHX Phoenix ROB Monrovia $1,920 Roundtrip found 17 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PHX,to:ROB,departure:11/26/2026TANYT&leg2=from:ROB,to:PHX,departure:1/15/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1919.53&airProductToken=AQqXAQoxCMGGARIEMTczMBjvuQEgmF0ohJmeAzCXm54DOFZAAFgBagRGTEVYcghWTEE0N1BSQwowCMGGARIDODMyGJhdIKGkASiRnZ4DMLqgngM4VkABWAFqBEZMRVhyCFZMQTQ3UFJDCjAI05wBEgMzOTUYoaQBINELKNKingMwhaaeAzhWQAFYAWoERkxFWHIIVkxBNDdQUkMKrgEKRwjBhgESBDYzNzkY0QsgoaQBKPXNogMwoNKiAzhWQABYAWoERkxFWHIIVkxBNDdQUkN6CQjTnAESAzM5NXoJCNOcARIDMzk1CjAIwYYBEgM4MzMYoaQBIJhdKPzTogMwzdeiAzhWQAFYAWoERkxFWHIIVkxBNDdQUkMKMQjBhgESBDE3MzEYmF0g77kBKPbaogMwyt2iAzhWQAFYAWoERkxFWHIIVkxBNDdQUkMSCggCEAEYAioCQUMYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Nov 27 - Fri, Jan 15 PHX Phoenix ROB Monrovia $1,922 Roundtrip found 3 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PHX,to:ROB,departure:11/27/2026TANYT&leg2=from:ROB,to:PHX,departure:1/15/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1921.73&airProductToken=AQq4AQo0CNWCARIDNDM1GO-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) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Apr 16 - Sun, May 3 PHX Phoenix ROB Monrovia $1,925 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PHX,to:ROB,departure:4/16/2026TANYT&leg2=from:ROB,to:PHX,departure:5/3/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1924.41&airProductToken=AQqAAQoqCNWCARIEMTg3MxjvuQEgiBgo68CKAzD1wooDOEtAAFgBcgdUTFhFU1VTCigIxagBEgM1MDEYiBgg4Bgon8yKAzC60ooDOFRAAVgBcgdUTFhFU1VTCigIxagBEgM5NDMY4Bgg0QsoltSKAzC114oDOFRAAVgBcgdUTFhFU1VTCoABCigIxagBEgM5NDIY0Qsg4Bgouf6LAzDdgYwDOEhAAFgBcgdITFhFU1VTCigIxagBEgM1NzQY4BggrhwovIKMAzDbiowDOEhAAVgBcgdITFhFU1VTCioI1YIBEgQxNTIxGK4cIO-5ASiFkYwDMP2SjAM4S0ABWAFyB0hMWEVTVVMSDAgBEAEYASoCRVQyABgBIgQIARABKAIoBCgGMAE) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Thu, Nov 26 - Wed, Jan 13 PHX Phoenix ROB Monrovia $1,928 Roundtrip found 5 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PHX,to:ROB,departure:11/26/2026TANYT&leg2=from:ROB,to:PHX,departure:1/13/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1927.33&airProductToken=AQqXAQoxCMGGARIEMTczMBjvuQEgmF0ohJmeAzCXm54DOFZAAFgBagRGTEVYcghWTEE0N1BSQwowCMGGARIDODMyGJhdIKGkASiRnZ4DMLqgngM4VkABWAFqBEZMRVhyCFZMQTQ3UFJDCjAI05wBEgMzOTUYoaQBINELKNKingMwhaaeAzhWQAFYAWoERkxFWHIIVkxBNDdQUkMKrAEKPwjVggESBDk5NzQY0QsgoaQBKNW4ogMw4LuiAzhWQABYAWoHRUNPTk9NWXIIVkxBNDdUTkZ6CQjTnAESAzI0MwozCNWCARIDOTczGKGkASCuHCjGvaIDMOLBogM4VkABWAFqB0VDT05PTVlyCFZMQTQ3VE5GCjQI1YIBEgQyMDUzGK4cIO-5ASjNw6IDMLPFogM4VkABWAFqB0VDT05PTVlyCFZMQTQ3VE5GEgoIAhABGAIqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![Brussels Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SN.gif) Tue, Nov 24 - Fri, Jan 15 PHX Phoenix ROB Monrovia $1,950 Roundtrip found 17 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PHX,to:ROB,departure:11/24/2026TANYT&leg2=from:ROB,to:PHX,departure:1/15/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1949.53&airProductToken=AQq7AQpBCNOcARIEODg3MhjvuQEgrhwovIOeAzCHhZ4DOFZAAFgBaghFQ09TVEFORHIIVkxBNDdQTkZ6CgjVggESBDE3NDgKQAjTnAESBDg4MDQYrhwgoaQBKNuGngMwu4qeAzhWQAFYAWoIRUNPU1RBTkRyCFZMQTQ3UE5GegkI1YIBEgM5NzIKNAjTnAESAzI0MxihpAEg0QsooYyeAzDbkJ4DOFZAAVgBaghFQ09TVEFORHIIVkxBNDdQTkYKuwEKNAjTnAESAzM5NRjRCyChpAEo9c2iAzCg0qIDOFZAAFgBaghFQ09TVEFORHIIVkxBNDdQTkYKQAjTnAESBDg4MDEYoaQBIIgYKO_UogMw99iiAzhWQAFYAWoIRUNPU1RBTkRyCFZMQTQ3UE5GegkI1YIBEgM5NTEKQQjTnAESBDg4NDMYiBgg77kBKLXaogMw69yiAzhWQAFYAWoIRUNPU1RBTkRyCFZMQTQ3UE5GegoI1YIBEgQxOTM4EgoIARABGAEqAlNOGAEiBAgBEAEoAigDKAQwAQ) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Sun, Dec 6 - Tue, Jan 19 PHX Phoenix ROB Monrovia $1,963 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PHX,to:ROB,departure:12/6/2026TANYT&leg2=from:ROB,to:PHX,departure:1/19/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1962.84&airProductToken=AQqXAQooCMJsEgM3MzYY77kBIKlRKMeLnwMw4I2fAzhaQABYAXIHVExYRVNVUwopCMWoARIDNTE1GKlRIKuxASjnjp8DMKGTnwM4VEABWAFyB1RMWEVTVVMKQAjFqAESBDEwMDUYq7EBINELKLeUnwMwjpafAzhUQAFYAXIHVExYRVNVU3oJCMugARIDMDIwegkIy6ABEgMwMjAKlwEKQAjFqAESBDEwMDYY0Qsgq7EBKIL1ogMw1PaiAzhRQABYAXIHUUxYRVNVU3oJCMugARIDMDIxegkIy6ABEgMwMjEKKQjFqAESAzUxNBirsQEgqVEozPeiAzDb_KIDOFFAAVgBcgdRTFhFU1VTCigIwmwSAzczNRipUSDvuQEov4ejAzCfiqMDOE1AAVgBcgdRTFhFU1VTEgoIARABGAEqAkVUGAEiBAgBEAEoAigEKAYwAQ) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Mon, Jun 15 - Wed, Jul 15 PHX Phoenix ROB Monrovia $2,139 Roundtrip found 12 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:PHX,to:ROB,departure:6/15/2026TANYT&leg2=from:ROB,to:PHX,departure:7/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2138.93&airProductToken=AQq3AQo8CMKCARIEMTUyNxjvuQEg64kBKIzojwMw7uyPAzhPQABYAWoDQkFHcghPSE5DMDdNN3oJCMGCARIDMTk0CjsIwoIBEgQ4NDQxGOuJASCCayim8I8DMO7xjwM4T0ABWAFqA0JBR3IIT0hOQzA3TTd6CQjBqAESAzgwMQo6CMKCARIEODQzNBiCayDRCyjU848DMNP1jwM4T0ABWAFqA0JBR3IIT0hOQzA3TTd6CQjBqAESAzU2Nwq3AQo6CMKCARIEODQzNRjRCyCCayiZsZIDMI6zkgM4UUAAWAFqA0JBR3IIUUhOQzA3TTd6CQjBqAESAzU2Ngo7CMKCARIEODQ0NhiCayDriQEo77SSAzCttpIDOFFAAVgBagNCQUdyCFFITkMwN003egkIwagBEgM4MDYKPAjCggESBDE1MjYY64kBIO-5ASi4vpIDMMfDkgM4UUABWAFqA0JBR3IIUUhOQzA3TTd6CQjBggESAzE5NRIKCAEQARgBKgJCQRgBIgQIARABKAIoAygEMA0) ## Alternative airports near Monrovia Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.com/Flights-Search?leg1=from:PHX,to:ROB,departure:4/16/2026TANYT&leg2=from:ROB,to:PHX,departure:5/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ROB Roberts Intl. Cheapest 49 min [Flights from $1,911 ](https://www.expedia.com/Flights-Search?leg1=from:PHX,to:ROB,departure:4/16/2026TANYT&leg2=from:ROB,to:PHX,departure:5/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Frequently asked questions ### How much does a flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Monrovia (ROB-Roberts Intl.) cost? ### What is the cheapest month to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Monrovia (ROB-Roberts Intl.)? ### Which airlines fly direct from Phoenix, AZ (PHX-Sky Harbor Intl.) to Monrovia (ROB-Roberts Intl.)? ### What is the cheapest airline that flies from Phoenix, AZ (PHX-Sky Harbor Intl.) to Monrovia (ROB-Roberts Intl.)? ### How do I find cheap flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Monrovia (ROB-Roberts Intl.)? ### What is the best time to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Monrovia (ROB-Roberts Intl.)? ### What is the earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Monrovia (ROB-Roberts Intl.)? ### What day of the week has the most flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Monrovia (ROB-Roberts Intl.)? ### What are the most popular departure times for flights from Phoenix, AZ (PHX-Sky Harbor Intl.) to Monrovia (ROB-Roberts Intl.)? ### How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Monrovia (ROB-Roberts Intl.)? ### Can you fly business or first class from Phoenix, AZ (PHX-Sky Harbor Intl.) to Monrovia (ROB-Roberts Intl.)? ### How do I earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Monrovia (ROB-Roberts Intl.) flight with Expedia? ### What airports do you fly into for Monrovia from Sky Harbor Intl. (PHX)? ### Is it cheaper to buy a plane ticket from Phoenix, AZ (PHX-Sky Harbor Intl.) to Monrovia (ROB-Roberts Intl.) at the last minute? ### Is it cheaper to book a Phoenix, AZ (PHX-Sky Harbor Intl.) to Monrovia (ROB-Roberts Intl.) flight and hotel package? ### Can I cancel or change the date of my flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Monrovia (ROB-Roberts Intl.)? ## Travel information | Origin airport | Sky Harbor Intl. | | ------------------- | ------------------------------------------------------------------------------------ | | Destination airport | Roberts Intl. | | Airlines serving | British Airways, Brussels Airlines, Delta, Royal Air Maroc, Turkish Airlines, United | | Roundtrip price | $1,911 | | Distance | 6645 mi | ## Book with confidence # Phoenix to Monrovia Flights The cheapest times to fly from Phoenix to Monrovia On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phoenix to Monrovia are during the month of April. You can find some of the cheapest flights from Phoenix to Monrovia with Expedia's search tool and vast selection of airlines. The best time to book a flight from Phoenix to Monrovia Sunday is one of the best days to book for cheap flights from Phoenix to Monrovia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. How to find cheap round-trip tickets from Phoenix to Monrovia Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phoenix to Monrovia in 2026\. You can also book with separate airlines for your outbound and return journeys, from $960 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phoenix to Monrovia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Phoenix to Monrovia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. \*Terms apply. Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages. \*Flight schedules are subject to change. \*Available to One Key members. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rentals - [Harbel Hotels ](https://www.expedia.com/Harbel-Hotels.d553248633894579995.Travel-Guide-Hotels) - [Luxury Hotels in Harbel ](https://www.expedia.com/Harbel-Hotels-Luxury-Hotel.0-0-d553248633894579995-tLuxuryHotel.Travel-Guide-Filter-Hotels) - [Hotels near Firestone Staff Club Golf Course ](https://www.expedia.com/Firestone-Staff-Club-Golf-Course-Hotels.0-l553248635976680978-0.Travel-Guide-Filter-Hotels) - [Marshall Hotels ](https://www.expedia.com/Marshall-Hotels.d553248635921599847.Travel-Guide-Hotels) - [Lodges in Harbel ](https://www.expedia.com/Harbel-Lodges.d553248633894579995-aaLodges.Travel-Guide-Accommodation) - [2 Star Hotels in Marshall ](https://www.expedia.com/2Star-Marshall-Hotels.s20-0-d553248635921599847.Travel-Guide-Filter-Hotels) - [Flights to Harbel ](https://www.expedia.com/Cheap-Flights-To-Harbel.d553248633894579995.Travel-Guide-Flights) - [Flights to Marshall ](https://www.expedia.com/Cheap-Flights-To-Marshall.d553248635921599847.Travel-Guide-Flights) - [Visit Harbel ](https://www.expedia.com/Harbel.dx553248633894579995) - [Harbel Vacations ](https://www.expedia.com/Harbel.d553248633894579995.Destination-Travel-Guides) - [Firestone Staff Club Golf Course ](https://www.expedia.com/Firestone-Staff-Club-Golf-Course-Margibi.d553248635976680978.Vacation-Attraction) - [Harbel ](https://www.expedia.com/Harbel-Marshall.d553248621532404250.Vacation-Attraction) - [Marshall Vacations ](https://www.expedia.com/Marshall.d553248635921599847.Destination-Travel-Guides) - [Visit Marshall ](https://www.expedia.com/Marshall.dx553248635921599847) - [Car rentals near Harbel ](https://www.expedia.com/Car-Rentals-In-Harbel.d553248633894579995.Car-Rental-Guide) - [Car rentals near Harbel ](https://www.expedia.com/Car-Rentals-In-Harbel.d553248621532404250.Car-Rental-Guide) - [Marshall Vacation Rentals ](https://www.expedia.com/Marshall-Vacation-Rentals.d553248635921599847.Travel-Guide-VacationRentals)