Title: $139 Cheap flights from Baltimore to Pasco (BWI to PSC) - Expedia.com ![blue bridge over Columbia river in Tri-cities Washington state](https://images.trvl-media.com/place/2878/9049bec3-53f1-48e4-9f2a-258938982d2f.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/2878/9049bec3-53f1-48e4-9f2a-258938982d2f.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $139 Cheap Flights from Baltimore (BWI) to Pasco (PSC) [View $139 flight on Tue, Mar 24, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:BWI,to:PSC,departure:3/24/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:138.20&airProductToken=AQpuCjUIxJgBEgQyNTI2GMFFIMx8KJPAiAMwu8GIAzhFQABYAWoJTUFJTkJBU0lDcghWQVZTQzJCUQo1CMSYARIEMzkzNxjMfCDPFCibwogDMPDDiAM4RUABWAFqCU1BSU5CQVNJQ3IIVkFWU0MyQlESCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travelers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Flight 1 Leaving from Going to Departing Flight 2 Leaving from Going to Departing ## Popular airlines from Baltimore Washington Intl. Airport (BWI) to Tri-Cities Airport (PSC) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:PSC,departure:3/3/2026TANYT&leg2=from:PSC,to:BWI,departure:3/10/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](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:BWI,to:PSC,departure:3/3/2026TANYT&leg2=from:PSC,to:BWI,departure:3/10/2026TANYT&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_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:PSC,departure:3/3/2026TANYT&leg2=from:PSC,to:BWI,departure:3/10/2026TANYT&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_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:BWI,to:PSC,departure:3/3/2026TANYT&leg2=from:PSC,to:BWI,departure:3/10/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](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 Baltimore to Pasco (BWI-PSC) Prices were available within the past 7 days and start at $139 for one-way flights and $277 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Tue, Mar 24 - Tue, Mar 31 BWI Baltimore PSC Pasco $277 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BWI,to:PSC,departure:3/24/2026TANYT&leg2=from:PSC,to:BWI,departure:3/31/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:276.40&airProductToken=AQpuCjUIxJgBEgQyNTI2GMFFIMx8KJPAiAMwu8GIAzhFQABYAWoJTUFJTkJBU0lDcghWQVZTQzJCUQo1CMSYARIEMzkzNxjMfCDPFCibwogDMPDDiAM4RUABWAFqCU1BSU5CQVNJQ3IIVkFWU0MyQlESDAgBEAEYASoCREwyABgBIgQIARABKAIoAygEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Tue, Mar 24 - Tue, Mar 31 BWI Baltimore PSC Pasco $282 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BWI,to:PSC,departure:3/24/2026TANYT&leg2=from:PSC,to:BWI,departure:3/31/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:281.71&airProductToken=AQpuCjUIxJgBEgQyNTI2GMFFIMx8KJPAiAMwu8GIAzhFQABYAWoJTUFJTkJBU0lDcghWQVZTQzJCUQo1CMSYARIEMzkzNxjMfCDPFCibwogDMPDDiAM4RUABWAFqCU1BSU5CQVNJQ3IIVkFWU0MyQlEKpQEKNQjEmAESBDQwMjMYzxQgkgEow5GJAzCKkokDOEVAAFgBaglNQUlOQkFTSUNyCFZBVlNDMkJRCjUIxJgBEgQxMjM5GJIBIPISKLuSiQMwu5OJAzhFQAFYAWoJTUFJTkJBU0lDcghWQVZTQzJCUQo1CMSYARIEMjA3ORjyEiDBRSj0k4kDMO-ViQM4RUABWAFqCU1BSU5CQVNJQ3IIVkFWU0MyQlESDAgBEAEYASoCREwyABgBIgQIARABKAIoAygEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Tue, Mar 24 - Tue, Mar 31 BWI Baltimore PSC Pasco $327 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BWI,to:PSC,departure:3/24/2026TANYT&leg2=from:PSC,to:BWI,departure:3/31/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:326.40&airProductToken=AQpuCjUIxJgBEgQyNTI2GMFFIMx8KJPAiAMwu8GIAzhFQABYAWoJTUFJTkJBU0lDcghWQVZTQzJCUQo1CMSYARIEMzkzNxjMfCDPFCibwogDMPDDiAM4RUABWAFqCU1BSU5CQVNJQ3IIVkFWU0MyQlESDAgBEAEYASoCREwyABgBIgQIARABKAIoAygEMAE) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, Mar 28 - Wed, Apr 8 BWI Baltimore PSC Pasco $331 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BWI,to:PSC,departure:3/28/2026TANYT&leg2=from:PSC,to:BWI,departure:4/8/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:330.30&airProductToken=AQqdAQoyCMGCARIEMTQwMxjBRSCjsQEo-OiIAzDd6ogDOEJAAFgBagVCQVNJQ3IIT1ZBSUpTQlgKMwjBggESBDI2NjAYo7EBIO-5ASjQ7YgDMPnuiAM4QkABWAFqBUJBU0lDcghPVkFLVVNCVgoyCMGCARIENTAwNhjvuQEgzxQoxe-IAzDy8IgDOEJAAVgBagVCQVNJQ3IIT1ZBS1VTQlYSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, Mar 24 - Tue, Mar 31 BWI Baltimore PSC Pasco $338 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BWI,to:PSC,departure:3/24/2026TANYT&leg2=from:PSC,to:BWI,departure:3/31/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:337.70&airProductToken=AQqdAQoyCMGCARIEMjIyNBjBRSDimgEo8LyIAzDVvYgDOEJAAFgBagVCQVNJQ3IIU1ZBS1VTQlgKMwjBggESBDIyOTEY4poBIO-5ASizv4gDMM7BiAM4QkABWAFqBUJBU0lDcghTVkFLVVNCWAoyCMGCARIENTAwNhjvuQEgzxQoxcKIAzDyw4gDOEJAAVgBagVCQVNJQ3IIU1ZBS1VTQlgSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Mar 24 - Tue, Mar 31 BWI Baltimore PSC Pasco $341 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BWI,to:PSC,departure:3/24/2026TANYT&leg2=from:PSC,to:BWI,departure:3/31/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:340.38&airProductToken=AQpmCjEI1YIBEgQyNDEyGMFFIINpKPK8iAMw9L6IAzhLQABYAWoFMl9lY29yCEtBVTJBWkRTCjEI1YIBEgQ1Mjk4GINpIM8UKM6_iAMw-8CIAzhLQABYAWoFMl9lY29yCEtBVTJBWkRTEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Tue, Mar 24 - Tue, Mar 31 BWI Baltimore PSC Pasco $348 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BWI,to:PSC,departure:3/24/2026TANYT&leg2=from:PSC,to:BWI,departure:3/31/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:347.40&airProductToken=AQpuCjUIxJgBEgQxMTc2GMFFIPISKLW8iAMw3r6IAzhFQABYAWoJTUFJTkJBU0lDcghUQVZUSDNCQwo1CMSYARIEMzg5MhjyEiDPFCiNv4gDMPm_iAM4RUABWAFqCU1BSU5CQVNJQ3IIVEFWVEgzQkMKbgo1CMSYARIENDA0NhjPFCDyEiizkYkDMJiSiQM4RUAAWAFqCU1BSU5CQVNJQ3IIVkFWU0MyQlEKNQjEmAESBDIwNzkY8hIgwUUo9JOJAzDvlYkDOEVAAVgBaglNQUlOQkFTSUNyCFZBVlNDMkJREgwIARABGAEqAkRMMgAYASIECAEQASgCKAMoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, Mar 24 - Tue, Mar 31 BWI Baltimore PSC Pasco $363 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BWI,to:PSC,departure:3/24/2026TANYT&leg2=from:PSC,to:BWI,departure:3/31/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:362.71&airProductToken=AQqdAQoyCMGCARIEMjIyNBjBRSDimgEo8LyIAzDVvYgDOEJAAFgBagVCQVNJQ3IIR1ZBS1VTQlgKMwjBggESBDIyOTEY4poBIO-5ASizv4gDMM7BiAM4QkABWAFqBUJBU0lDcghHVkFLVVNCWAoyCMGCARIENTAwNhjvuQEgzxQoxcKIAzDyw4gDOEJAAVgBagVCQVNJQ3IIR1ZBS1VTQlgSDAgBEAEYASoCQUEyABgBIgQIARABKAIoAygEMAs) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, Apr 25 - Sat, May 2 BWI Baltimore PSC Pasco $367 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BWI,to:PSC,departure:4/25/2026TANYT&leg2=from:PSC,to:BWI,departure:5/2/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:366.41&airProductToken=AQplCjAIwaYBEgM3NjQYwUUgkgEouKSLAzCTp4sDOFhAAFgBagVTQVZFUnIIUUgyT1hVQk4KMQjBpgESBDIwMjcYkgEgzxQo_6eLAzDAqIsDOFhAAVgBagVTQVZFUnIIUUgyT1hVQk4KZQoxCMGmARIEMjEwMRjPFCCSASiM9IsDMMr0iwM4WEAAWAFqBVNBVkVScghRSDJPWFVCTgowCMGmARIDMzc4GJIBIMFFKPf1iwMwuPiLAzhYQAFYAWoFU0FWRVJyCFFIMk9YVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwDQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, Sep 26 - Sat, Oct 3 BWI Baltimore PSC Pasco $368 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BWI,to:PSC,departure:9/26/2026TANYT&leg2=from:PSC,to:BWI,departure:10/3/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:367.40&airProductToken=AQplCjAIwaYBEgMzNzkYwUUgkgEozu6YAzCt8ZgDOFhAAFgBagVTQVZFUnIIT0gyT1hKQk4KMQjBpgESBDMzMTkYkgEgzxQo8vGYAzCy8pgDOFhAAVgBagVTQVZFUnIIT0gyT1hKQk4KZQoxCMGmARIEMjAwNRjPFCCSASiWvZkDMOC9mQM4WEAAWAFqBVNBVkVScghRSDJPWEpCTgowCMGmARIDMzQ0GJIBIMFFKKDAmQMwzcKZAzhYQAFYAWoFU0FWRVJyCFFIMk9YSkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwDQ) ![](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_) ## Find the cheapest month to fly from Baltimore (BWI) to Pasco (PSC) ### September is typically the cheapest month to fly From $323 - $824 per traveler. ## Frequently asked questions ### How much does a flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Pasco, WA (PSC-Tri-Cities) cost? ### What is the cheapest month to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Pasco, WA (PSC-Tri-Cities)? ### Which airlines fly direct from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Pasco, WA (PSC-Tri-Cities)? ### What is the cheapest airline that flies from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Pasco, WA (PSC-Tri-Cities)? ### How do I find cheap flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Pasco, WA (PSC-Tri-Cities)? ### What is the best time to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Pasco, WA (PSC-Tri-Cities)? ### What is the earliest flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Pasco, WA (PSC-Tri-Cities)? ### What are the most popular departure times for flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Pasco, WA (PSC-Tri-Cities)? ### How long does it take to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Pasco, WA (PSC-Tri-Cities)? ### Can you fly business or first class from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Pasco, WA (PSC-Tri-Cities)? > - American Airlines > - Delta Air Lines > - United Airlines ### How do I earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Pasco, WA (PSC-Tri-Cities) flight with Expedia? ### What airports do you fly into for Pasco from Baltimore Washington Intl. Thurgood Marshall (BWI)? ### Is it cheaper to buy a plane ticket from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Pasco, WA (PSC-Tri-Cities) at the last minute? ### Is it cheaper to book a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Pasco, WA (PSC-Tri-Cities) flight and hotel package? ### Can I cancel or change the date of my flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to Pasco, WA (PSC-Tri-Cities)? ## Travel information | Origin airport | Baltimore Washington Intl. Thurgood Marshall | | ------------------- | ------------------------------------------------- | | Destination airport | Tri-Cities | | Airlines serving | Alaska Airlines, American Airlines, Delta, United | | Roundtrip price | $276 | | Distance | 2181 mi | ## Book with confidence # Baltimore to Pasco Flights The cheapest times to fly from Baltimore to Pasco 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 Baltimore to Pasco are during the month of March. You can find some of the cheapest flights from Baltimore to Pasco with Expedia's search tool and vast selection of airlines. The best time to book a flight from Baltimore to Pasco Sunday is one of the best days to book for cheap flights from Baltimore to Pasco: 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 Baltimore to Pasco 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 Baltimore to Pasco in 2026\. You can also book with separate airlines for your outbound and return journeys, from $139 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 Baltimore to Pasco 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 Baltimore to Pasco 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. ## Explore a world of travel with Expedia - Lodging - Flights - [Pasco Hotels ](https://www.expedia.com/Pasco-Hotels.d2878.Travel-Guide-Hotels) - [Flights to Pasco ](https://www.expedia.com/Cheap-Flights-To-Pasco.d2878.Travel-Guide-Flights) - [Phoenix to Pasco ](https://www.expedia.com/lp/flights/178298/2878/phoenix-to-pasco) - [Dallas to Pasco ](https://www.expedia.com/lp/flights/178253/2878/dallas-to-pasco) \*Available to One Key members.