Title: Boston to Monrovia cheap flights from $831 (BOS 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) # $831 Cheap Flights from Boston (BOS) to Monrovia (ROB) [View $831 flight on Tue, Apr 21, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:BOS,to:ROB,departure:4/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:830.50&airProductToken=AQqtAQo0CNGkARIDNzQ0GMGTASDDOyi4_ooDMIOEiwM4T0AAWAFqCEVDTEFTU0lDcghPTFI1UDhSSQpACNGkARIENDU2NxjDOyCCayiLiIsDMOaLiwM4T0ABWAFqCEVDTEFTU0lDcghPTFI1UDhSSXoKCMGoARIENDU2NwozCMGoARIDNTY3GIJrINELKJSUiwMwk5aLAzhPQAFYAWoIRUNMQVNTSUNyCE9MUjVQOFJJEgoIARABGAEqAlFSGAEiBAgBEAEoAigEKAYwAQ) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travelers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Logan International Airport (BOS) to Monrovia (ROB-Roberts Intl.) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_ET.svg) Ethiopian Airlines [](https://www.expedia.com/Flights-Search?leg1=from:BOS,to:ROB,departure:3/13/2026TANYT&leg2=from:ROB,to:BOS,departure:3/20/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"ET"}}]) - ![](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:BOS,to:ROB,departure:3/13/2026TANYT&leg2=from:ROB,to:BOS,departure:3/20/2026TANYT&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_TK.svg) Turkish Airlines [](https://www.expedia.com/Flights-Search?leg1=from:BOS,to:ROB,departure:3/13/2026TANYT&leg2=from:ROB,to:BOS,departure:3/20/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TK"}}]) - ![](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:BOS,to:ROB,departure:3/13/2026TANYT&leg2=from:ROB,to:BOS,departure:3/20/2026TANYT&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_LX.svg) Swiss International Air Lines [](https://www.expedia.com/Flights-Search?leg1=from:BOS,to:ROB,departure:3/13/2026TANYT&leg2=from:ROB,to:BOS,departure:3/20/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) - ![](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:BOS,to:ROB,departure:3/13/2026TANYT&leg2=from:ROB,to:BOS,departure:3/20/2026TANYT&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_AT.svg) Royal Air Maroc [](https://www.expedia.com/Flights-Search?leg1=from:BOS,to:ROB,departure:3/13/2026TANYT&leg2=from:ROB,to:BOS,departure:3/20/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AT"}}]) - ![](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 Boston to Monrovia (BOS-ROB) Prices were available within the past 7 days and start at $831 for one-way flights and $1,222 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Mon, Nov 16 - Tue, Dec 1 BOS Boston ROB Monrovia $1,222 Roundtrip found 9 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:ROB,departure:11/16/2026TANYT&leg2=from:ROB,to:BOS,departure:12/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1221.93&airProductToken=AQqkAQo1CMGGARIEODYwNxjBkwEgmF0ohKudAzDZq50DOExAAFgBaghTVEFOREFSRHIITExYNDdQTkYKNAjBhgESAzgzMhiYXSChpAEo0aydAzD6r50DOExAAVgBaghTVEFOREFSRHIITExYNDdQTkYKNQjBhgESBDYzNDIYoaQBINELKKGynQMw27adAzhMQAFYAWoIU1RBTkRBUkRyCExMWDQ3UE5GCqMBCjQI05wBEgMyNDEY0QsgoaQBKPXUngMwgNieAzhMQABYAWoIU1RBTkRBUkRyCExMWDQ3UE5GCjQIwYYBEgM4MzMYoaQBIJhdKNzZngMwrd2eAzhMQAFYAWoIU1RBTkRBUkRyCExMWDQ3UE5GCjUIwYYBEgQ4NjA4GJhdIMGTASiC3p4DMNnengM4TEABWAFqCFNUQU5EQVJEcghMTFg0N1BORhIMCAEQARgBKgJBQzIAGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Nov 16 - Tue, Dec 1 BOS Boston ROB Monrovia $1,224 Roundtrip found 9 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:ROB,departure:11/16/2026TANYT&leg2=from:ROB,to:BOS,departure:12/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1223.03&airProductToken=AQqgAQozCNWCARIDNzIxGMGTASCIGCjEqp0DMLCrnQM4TEAAWAFqB0VDT05PTVlyCExMWDQ3UE5GCjMI1YIBEgM5NTAYiBggoaQBKJWsnQMw16-dAzhMQAFYAWoHRUNPTk9NWXIITExYNDdQTkYKNAjVggESBDk5NzQYoaQBINELKKGynQMw27adAzhMQAFYAWoHRUNPTk9NWXIITExYNDdQTkYKowEKNAjTnAESAzI0MRjRCyChpAEo9dSeAzCA2J4DOExAAFgBaghTVEFOREFSRHIITExYNDdQTkYKNAjBhgESAzgzMxihpAEgmF0o3NmeAzCt3Z4DOExAAVgBaghTVEFOREFSRHIITExYNDdQTkYKNQjBhgESBDg2MDgYmF0gwZMBKILengMw2d6eAzhMQAFYAWoIU1RBTkRBUkRyCExMWDQ3UE5GEgwIARABGAEqAlVBMgAYASIECAEQASgCKAMoBDAB) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Sun, Sep 27 - Tue, Oct 13 BOS Boston ROB Monrovia $1,227 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:ROB,departure:9/27/2026TANYT&leg2=from:ROB,to:BOS,departure:10/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1226.83&airProductToken=AQppCiEIwYYBEgM3NjUYwZMBIJjOASjf-ZgDMM_6mAM4TEAAWAEKIQjBhgESAzgyNhiYzgEgoaQBKPCEmQMwnoiZAzhMQAFYAQohCMGGARIENjM0OBihpAEg0Qsou4qZAzDmjpkDOExAAVgBCmgKIAjTnAESAzI0NRjRCyChpAEo9qyaAzCGsJoDOExAAFgBCiEI05wBEgQ5NTUxGKGkASCYXSjdsZoDMJ-1mgM4TEABWAEKIQjTnAESBDk2MTcYmF0gwZMBKKu2mgMwgbeaAzhMQAFYARIKCAEQARgBKgJBQxgBIgQIARABKAQwAQ) ![Brussels Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SN.gif) Mon, Nov 16 - Tue, Dec 1 BOS Boston ROB Monrovia $1,229 Roundtrip found 9 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:ROB,departure:11/16/2026TANYT&leg2=from:ROB,to:BOS,departure:12/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1228.63&airProductToken=AQqkAQo1CNOcARIEOTYxOBjBkwEgmF0ohKudAzDZq50DOExAAFgBaghFQ09TVEFORHIITExYNDdQTkYKNQjTnAESBDk1NTIYmF0goaQBKNGsnQMw-q-dAzhMQAFYAWoIRUNPU1RBTkRyCExMWDQ3UE5GCjQI05wBEgMyNDEYoaQBINELKKGynQMw27adAzhMQAFYAWoIRUNPU1RBTkRyCExMWDQ3UE5GCqEBCjQI1YIBEgQ5OTc0GNELIKGkASj11J4DMIDYngM4TEAAWAFqB0VDT05PTVlyCExMWDQ3UE5GCjMI1YIBEgM5NzMYoaQBIK4cKObZngMwgt6eAzhMQAFYAWoHRUNPTk9NWXIITExYNDdQTkYKNAjVggESBDE2OTMYrhwgwZMBKOvengMwhOCeAzhMQAFYAWoHRUNPTk9NWXIITExYNDdQTkYSDAgBEAEYASoCVUEyABgBIgQIARABKAIoAygEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Nov 16 - Tue, Dec 1 BOS Boston ROB Monrovia $1,230 Roundtrip found 9 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:ROB,departure:11/16/2026TANYT&leg2=from:ROB,to:BOS,departure:12/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1229.73&airProductToken=AQqgAQozCNWCARIDNTAzGMGTASCuHCjwqJ0DMJeqnQM4TEAAWAFqB0VDT05PTVlyCExMWDQ3UE5GCjMI1YIBEgM5NzIYrhwgoaQBKNusnQMwu7CdAzhMQAFYAWoHRUNPTk9NWXIITExYNDdQTkYKNAjVggESBDk5NzQYoaQBINELKKGynQMw27adAzhMQAFYAWoHRUNPTk9NWXIITExYNDdQTkYKoQEKNAjVggESBDk5NzQY0QsgoaQBKPXUngMwgNieAzhMQABYAWoHRUNPTk9NWXIITExYNDdQTkYKMwjVggESAzk3MxihpAEgrhwo5tmeAzCC3p4DOExAAVgBagdFQ09OT01ZcghMTFg0N1BORgo0CNWCARIEMjMzMRiuHCDBkwEo4OCeAzD54Z4DOExAAVgBagdFQ09OT01ZcghMTFg0N1BORhIMCAEQARgBKgJVQTIAGAEiBAgBEAEoAigDKAQwAQ) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Mon, Nov 16 - Tue, Dec 1 BOS Boston ROB Monrovia $1,240 Roundtrip found 9 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:ROB,departure:11/16/2026TANYT&leg2=from:ROB,to:BOS,departure:12/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1239.23&airProductToken=AQqkAQo1CMGGARIEODYwNxjBkwEgmF0ohKudAzDZq50DOExAAFgBaghTVEFOREFSRHIITExYNDdQTkYKNAjBhgESAzgzMhiYXSChpAEo0aydAzD6r50DOExAAVgBaghTVEFOREFSRHIITExYNDdQTkYKNQjBhgESBDYzNDIYoaQBINELKKGynQMw27adAzhMQAFYAWoIU1RBTkRBUkRyCExMWDQ3UE5GCqMBCjUIzLABEgQ0NTQxGNELIKGkASj11J4DMIDYngM4TEAAWAFqCEVDT1NUQU5EcghMTFg0N1RORgo1CMywARIENDI0MRihpAEguTwonNyeAzDn3J4DOExAAVgBaghFQ09TVEFORHIITExYNDdUTkYKMwjMsAESAjUyGLk8IMGTASie3Z4DMLDhngM4TEABWAFqCEVDT1NUQU5EcghMTFg0N1RORhIMCAEQARgBKgJBQzIAGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, Nov 16 - Tue, Dec 1 BOS Boston ROB Monrovia $1,241 Roundtrip found 9 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:ROB,departure:11/16/2026TANYT&leg2=from:ROB,to:BOS,departure:12/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1240.33&airProductToken=AQqjAQo1CNWCARIEMTU1MRjBkwEgxI0BKJaqnQMw-KqdAzhMQABYAWoHRUNPTk9NWXIITExYNDdQTkYKNAjVggESAzk5NBjEjQEgoaQBKNusnQMwibCdAzhMQAFYAWoHRUNPTk9NWXIITExYNDdQTkYKNAjVggESBDk5NzQYoaQBINELKKGynQMw27adAzhMQAFYAWoHRUNPTk9NWXIITExYNDdQTkYKowEKNQjMsAESBDQ1NDEY0QsgoaQBKPXUngMwgNieAzhMQABYAWoIRUNPU1RBTkRyCExMWDQ3VE5GCjUIzLABEgQ0NTU1GKGkASC5PCjc2Z4DMKzangM4TEABWAFqCEVDT1NUQU5EcghMTFg0N1RORgozCMywARICNTIYuTwgwZMBKJ7dngMwsOGeAzhMQAFYAWoIRUNPU1RBTkRyCExMWDQ3VE5GEgwIARABGAEqAlVBMgAYASIECAEQASgCKAMoBDAB) ![Brussels Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SN.gif) Mon, Nov 16 - Tue, Dec 1 BOS Boston ROB Monrovia $1,243 Roundtrip found 9 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:ROB,departure:11/16/2026TANYT&leg2=from:ROB,to:BOS,departure:12/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1242.93&airProductToken=AQqkAQo1CNOcARIEOTYxOBjBkwEgmF0ohKudAzDZq50DOExAAFgBaghFQ09TVEFORHIITExYNDdQTkYKNQjTnAESBDk1NTIYmF0goaQBKNGsnQMw-q-dAzhMQAFYAWoIRUNPU1RBTkRyCExMWDQ3UE5GCjQI05wBEgMyNDEYoaQBINELKKGynQMw27adAzhMQAFYAWoIRUNPU1RBTkRyCExMWDQ3UE5GCqQBCjQI05wBEgMyNDEY0QsgoaQBKPXUngMwgNieAzhMQABYAWoIRUNPU1RBTkRyCExMWDQ3UE5GCjUI05wBEgQ5NTUxGKGkASCYXSjc2Z4DMK3dngM4TEABWAFqCEVDT1NUQU5EcghMTFg0N1BORgo1CNOcARIEOTYxNxiYXSDBkwEogt6eAzDZ3p4DOExAAVgBaghFQ09TVEFORHIITExYNDdQTkYSDAgBEAEYASoCU04yABgBIgQIARABKAIoAygEMAE) ![Swiss International Air Lines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif) Mon, Nov 16 - Tue, Dec 1 BOS Boston ROB Monrovia $1,246 Roundtrip found 9 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:ROB,departure:11/16/2026TANYT&leg2=from:ROB,to:BOS,departure:12/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1245.93&airProductToken=AQqjAQozCMywARICNTMYwZMBILk8KIqunQMwwrGdAzhMQABYAWoIRUNPU1RBTkRyCExMWDQ3VE5GCjUIzLABEgQ0NTQ2GLk8IKGkASjRu50DMJy8nQM4TEABWAFqCEVDT1NUQU5EcghMTFg0N1RORgo1CMywARIENDU1MxihpAEg0Qsowb2dAzD7wZ0DOExAAVgBaghFQ09TVEFORHIITExYNDdUTkYKowEKNAjVggESBDk5NzQY0QsgoaQBKPXUngMwgNieAzhMQABYAWoHRUNPTk9NWXIITExYNDdQTkYKNAjVggESAzk5NRihpAEgxI0BKKfangMwlt6eAzhMQAFYAWoHRUNPTk9NWXIITExYNDdQTkYKNQjVggESBDE1MzYYxI0BIMGTASjw3p4DMMXfngM4TEABWAFqB0VDT05PTVlyCExMWDQ3UE5GEgwIARABGAEqAlVBMgAYASIECAEQASgCKAMoBDAB) ![Ethiopian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/ET.gif) Tue, Mar 3 - Tue, Mar 17 BOS Boston ROB Monrovia $1,293 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:ROB,departure:3/3/2026TANYT&leg2=from:ROB,to:BOS,departure:3/17/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1292.23&airProductToken=AQplCiEIxagBEgQxMzU3GMGTASCIGCj7z4YDMOPQhgM4VEAAWAEKHwjFqAESAzUwMRiIGCDgGCiE0oYDMJ_YhgM4VEABWAEKHwjFqAESAzk0MxjgGCDRCyj22YYDMJXdhgM4VEABWAEKZQofCMWoARIDOTQyGNELIOAYKNnthwMw_fCHAzhUQABYAQofCMWoARIDNTAwGOAYIIgYKObxhwMw7PmHAzhUQAFYAQohCMWoARIEMTM1NhiIGCDBkwEojICIAzDtgIgDOFRAAVgBEgoIARABGAEqAkVUGAEiBAgBEAEoBDAB) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.com/deals?rfrr=FTG_SPRING_PROMO_) ## 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:BOS,to:ROB,departure:3/13/2026TANYT&leg2=from:ROB,to:BOS,departure:4/3/2026TANYT&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 $1,550 ](https://www.expedia.com/Flights-Search?leg1=from:BOS,to:ROB,departure:3/13/2026TANYT&leg2=from:ROB,to:BOS,departure:4/3/2026TANYT&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 Logan Intl. Airport (BOS) to Roberts Intl. Airport (ROB) cost? ### What is the cheapest month to fly from Logan Intl. Airport (BOS) to Roberts Intl. Airport (ROB)? ### What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Roberts Intl. Airport (ROB)? ### How many flights per day from Logan Intl. Airport (BOS) to Roberts Intl. Airport (ROB)? ### What day of the week has the most flights from BOS to ROB? ### What is the best time to fly from Logan Intl. Airport (BOS) to Roberts Intl. Airport (ROB)? ### Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Roberts Intl. Airport (ROB) last-minute? ### Is it cheaper to book a BOS to ROB flight and hotel package? ### Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Roberts Intl. Airport (ROB)? ## Travel information | Origin airport | Logan Intl. | | ------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Roberts Intl. | | Airlines serving | Air Canada, American Airlines, British Airways, Brussels Airlines, Delta, Ethiopian Airlines, Kenya Airways, Royal Air Maroc, Swiss International Air Lines, Turkish Airlines, United | | Roundtrip price | $1,222 | | Distance | 4444 mi | ## Book with confidence # Boston to Monrovia Flights The cheapest times to fly from Boston 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 Boston to Monrovia are during the month of November. You can find some of the cheapest flights from Boston to Monrovia with Expedia's search tool and vast selection of airlines. The best time to book a flight from Boston to Monrovia Sunday is one of the best days to book for cheap flights from Boston 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 Boston 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 Boston to Monrovia in 2026\. You can also book with separate airlines for your outbound and return journeys, from $831 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 Boston 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 Boston 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\. 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