Title: Helena to Pasco cheap flights from $145 (HLN 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) # $145 Cheap Flights from Helena (HLN) to Pasco (PSC) [View $145 flight on Tue, Apr 28, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:HLN,to:PSC,departure:4/28/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:144.20&airProductToken=AQpmCjEIwaYBEgQyMjIyGOdqIJIBKLbMiwMwoc2LAzhYQABYAWoFU0FWRVJyCE9IMk9BVUJOCjEIwaYBEgQyMzAyGJIBIM8UKP7NiwMwus6LAzhYQAFYAWoFU0FWRVJyCE9IMk9BVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwDQ) ## Popular airlines from Helena, MT (HLN-Helena Regional) to Tri-Cities Airport (PSC) - ![](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:HLN,to:PSC,departure:4/18/2026TANYT&leg2=from:PSC,to:HLN,departure:4/25/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](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:HLN,to:PSC,departure:4/18/2026TANYT&leg2=from:PSC,to:HLN,departure:4/25/2026TANYT&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_WN.svg) Southwest Airlines [](https://www.expedia.com/Flights-Search?leg1=from:HLN,to:PSC,departure:4/18/2026TANYT&leg2=from:PSC,to:HLN,departure:4/25/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](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:HLN,to:PSC,departure:4/18/2026TANYT&leg2=from:PSC,to:HLN,departure:4/25/2026TANYT&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_F9.svg) Frontier Airlines [](https://www.expedia.com/Flights-Search?leg1=from:HLN,to:PSC,departure:4/18/2026TANYT&leg2=from:PSC,to:HLN,departure:4/25/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.com/Flights-Search?leg1=from:HLN,to:PSC,departure:4/18/2026TANYT&leg2=from:PSC,to:HLN,departure:4/25/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![](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:HLN,to:PSC,departure:4/18/2026TANYT&leg2=from:PSC,to:HLN,departure:4/25/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](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 Helena to Pasco (HLN-PSC) Prices were available within the past 7 days and start at $145 for one-way flights and $375 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, Aug 7 - Wed, Aug 12 HLN Helena PSC Pasco $375 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:HLN,to:PSC,departure:8/7/2026TANYT&leg2=from:PSC,to:HLN,departure:8/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:374.41&airProductToken=AQpmCjEIwaYBEgQyMTMyGOdqIJIBKI28lAMw_byUAzhYQABYAWoFU0FWRVJyCFFINU9BSkJOCjEIwaYBEgQyMTY0GJIBIM8UKJi_lAMw07-UAzhYQAFYAWoFU0FWRVJyCFFINU9BSkJOCmYKMQjBpgESBDIxNjUYzxQgkgEo2--UAzCc8JQDOFhAAFgBagVTQVZFUnIIUUg1T0RKQk4KMQjBpgESBDIxMzEYkgEg52ooqfOUAzCI9JQDOFhAAVgBagVTQVZFUnIIUUg1T0RKQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAN) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, Aug 7 - Thu, Aug 13 HLN Helena PSC Pasco $395 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:HLN,to:PSC,departure:8/7/2026TANYT&leg2=from:PSC,to:HLN,departure:8/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:394.40&airProductToken=AQpmCjEIwaYBEgQyMTMyGOdqIJIBKI28lAMw_byUAzhYQABYAWoFU0FWRVJyCFFINU9BSkJOCjEIwaYBEgQyMTY0GJIBIM8UKJi_lAMw07-UAzhYQAFYAWoFU0FWRVJyCFFINU9BSkJOCmYKMQjBpgESBDIxNzEYzxQgkgEo_fyUAzC-_ZQDOFhAAFgBagVTQVZFUnIIUUg1T0FKQk4KMQjBpgESBDIxMzEYkgEg52ooyf6UAzCo_5QDOFhAAVgBagVTQVZFUnIIUUg1T0FKQk4SDAgBEAEYASoCQVMyABgBIgQIARABKAIoAygEMA0) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Fri, Aug 7 - Wed, Aug 12 HLN Helena PSC Pasco $410 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:HLN,to:PSC,departure:8/7/2026TANYT&leg2=from:PSC,to:HLN,departure:8/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:409.41&airProductToken=AQpuCjUIxJgBEgQzOTAxGOdqIPISKNy2lAMwsbeUAzhYQABYAWoJTUFJTkNMQVNDcghYQVdRQTBNTAo1CMSYARIEMzY5NBjyEiDPFCjzt5QDMN64lAM4WEABWAFqCU1BSU5DTEFTQ3IIWEFXUUEwTUwSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Fri, Aug 7 - Thu, Aug 13 HLN Helena PSC Pasco $427 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:HLN,to:PSC,departure:8/7/2026TANYT&leg2=from:PSC,to:HLN,departure:8/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:426.40&airProductToken=AQpuCjUIxJgBEgQzOTAxGOdqIPISKNy2lAMwsbeUAzhFQABYAWoJTUFJTkJBU0lDcghYQVdRQTBCUQo1CMSYARIEMzY5NBjyEiDPFCjzt5QDMN64lAM4RUABWAFqCU1BSU5CQVNJQ3IIWEFXUUEwQlEKbgo1CMSYARIENDA0NhjPFCDyEiiAgJUDMOiAlQM4RUAAWAFqCU1BSU5CQVNJQ3IIVEFXR0EwQlEKNQjEmAESBDM4MzkY8hIg52oouYGVAzCSgpUDOEVAAVgBaglNQUlOQkFTSUNyCFRBV0dBMEJREgwIARABGAEqAkRMMgAYASIECAEQASgCKAMoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Fri, Aug 7 - Thu, Aug 13 HLN Helena PSC Pasco $430 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:HLN,to:PSC,departure:8/7/2026TANYT&leg2=from:PSC,to:HLN,departure:8/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:429.40&airProductToken=AQpuCjUIxJgBEgQzOTAxGOdqIPISKNy2lAMwsbeUAzhYQABYAWoJTUFJTkNMQVNDcghYQVdRQTBNTAo1CMSYARIEMzY5NBjyEiDPFCjzt5QDMN64lAM4WEABWAFqCU1BSU5DTEFTQ3IIWEFXUUEwTUwSDAgBEAEYASoCREwyABgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, Aug 7 - Thu, Aug 13 HLN Helena PSC Pasco $432 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:HLN,to:PSC,departure:8/7/2026TANYT&leg2=from:PSC,to:HLN,departure:8/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:432.00&airProductToken=AQpmCjEIwaYBEgQyMTMyGOdqIJIBKI28lAMw_byUAzhYQABYAWoFU0FWRVJyCFFINU9BSkJOCjEIwaYBEgQyMTY0GJIBIM8UKJi_lAMw07-UAzhYQAFYAWoFU0FWRVJyCFFINU9BSkJOEgwIARABGAEqAkFTMgAYASIECAEQASgCKAMoBDAN) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Fri, Aug 7 - Wed, Aug 12 HLN Helena PSC Pasco $440 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:HLN,to:PSC,departure:8/7/2026TANYT&leg2=from:PSC,to:HLN,departure:8/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:439.42&airProductToken=AQpuCjUIxJgBEgQzOTAxGOdqIPISKNy2lAMwsbeUAzhYQABYAWoJTUFJTkVYVFJBcghYQVdQQTBNTAo1CMSYARIEMzY5NBjyEiDPFCjzt5QDMN64lAM4WEABWAFqCU1BSU5FWFRSQXIIWEFXUEEwTUwSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, Aug 7 - Wed, Aug 12 HLN Helena PSC Pasco $455 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:HLN,to:PSC,departure:8/7/2026TANYT&leg2=from:PSC,to:HLN,departure:8/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:454.40&airProductToken=AQpkCjAIwaYBEgQyMTMyGOdqIJIBKI28lAMw_byUAzhRQABYAWoETUFJTnIIUUg1T0FKTU4KMAjBpgESBDIxNjQYkgEgzxQomL-UAzDTv5QDOFFAAVgBagRNQUlOcghRSDVPQUpNTgpkCjAIwaYBEgQyMTY1GM8UIJIBKNvvlAMwnPCUAzhRQABYAWoETUFJTnIIUUg1T0RKTU4KMAjBpgESBDIxMzEYkgEg52ooqfOUAzCI9JQDOFFAAVgBagRNQUlOcghRSDVPREpNThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMA0) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Fri, Aug 7 - Thu, Aug 13 HLN Helena PSC Pasco $460 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:HLN,to:PSC,departure:8/7/2026TANYT&leg2=from:PSC,to:HLN,departure:8/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:459.41&airProductToken=AQpuCjUIxJgBEgQzOTAxGOdqIPISKNy2lAMwsbeUAzhYQABYAWoJTUFJTkVYVFJBcghYQVdQQTBNTAo1CMSYARIEMzY5NBjyEiDPFCjzt5QDMN64lAM4WEABWAFqCU1BSU5FWFRSQXIIWEFXUEEwTUwSDAgBEAEYASoCREwyABgBIgQIARABKAIoAygEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, May 25 - Tue, May 26 HLN Helena PSC Pasco $627 Roundtrip found 5 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:HLN,to:PSC,departure:5/25/2026TANYT&leg2=from:PSC,to:HLN,departure:5/26/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:626.40&airProductToken=AQpqCjMI1YIBEgQ1OTExGOdqIINpKKT6jQMwrPuNAzhRQABYAWoHRUNPTk9NWXIIUUFBN0FRRU4KMwjVggESBDE5MTMYg2kgzxQo1PyNAzDo_Y0DOFFAAVgBagdFQ09OT01ZcghRQUE3QVFFTgpqCjMI1YIBEgQyMzgxGM8UIINpKN6BjgMw7IKOAzhMQABYAWoHRUNPTk9NWXIITEFVNUFGRE4KMwjVggESBDUzODgYg2kg52oomoSOAzCVhY4DOExAAVgBagdFQ09OT01ZcghMQVU1QUZEThIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAE) ## Frequently asked questions ### How much does a flight from Helena, MT (HLN-Helena Regional) to Pasco, WA (PSC-Tri-Cities) cost? ### What is the cheapest month to fly from Helena, MT (HLN-Helena Regional) to Pasco, WA (PSC-Tri-Cities)? ### Which airlines fly direct from Helena, MT (HLN-Helena Regional) to Pasco, WA (PSC-Tri-Cities)? ### What is the cheapest airline that flies from Helena, MT (HLN-Helena Regional) to Pasco, WA (PSC-Tri-Cities)? ### How do I find cheap flights from Helena, MT (HLN-Helena Regional) to Pasco, WA (PSC-Tri-Cities)? ### What is the best time to fly from Helena, MT (HLN-Helena Regional) to Pasco, WA (PSC-Tri-Cities)? ### What is the earliest flight from Helena, MT (HLN-Helena Regional) to Pasco, WA (PSC-Tri-Cities)? ### What are the most popular departure times for flights from Helena, MT (HLN-Helena Regional) to Pasco, WA (PSC-Tri-Cities)? ### How long does it take to fly from Helena, MT (HLN-Helena Regional) to Pasco, WA (PSC-Tri-Cities)? ### Can you fly business or first class from Helena, MT (HLN-Helena Regional) to Pasco, WA (PSC-Tri-Cities)? ### How do I earn miles on a Helena, MT (HLN-Helena Regional) to Pasco, WA (PSC-Tri-Cities) flight with Expedia? ### What airports do you fly into for Pasco from Helena Regional (HLN)? ### Is it cheaper to buy a plane ticket from Helena, MT (HLN-Helena Regional) to Pasco, WA (PSC-Tri-Cities) at the last minute? ### Is it cheaper to book a Helena, MT (HLN-Helena Regional) to Pasco, WA (PSC-Tri-Cities) flight and hotel package? ### Can I cancel or change the date of my flight from Helena, MT (HLN-Helena Regional) to Pasco, WA (PSC-Tri-Cities)? ## Travel information | Origin airport | Helena Regional | | ------------------- | --------------- | | Destination airport | Tri-Cities | | Roundtrip price | $374 | | Distance | 340 mi | ## Book with confidence # Helena to Pasco Flights The cheapest times to fly from Helena 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 Helena to Pasco are during the month of August. You can find some of the cheapest flights from Helena to Pasco with Expedia's search tool and vast selection of airlines. The best time to book a flight from Helena to Pasco Sunday is one of the best days to book for cheap flights from Helena 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 Helena 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 Helena to Pasco in 2026\. You can also book with separate airlines for your outbound and return journeys, from $145 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 Helena 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 Helena 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. \*Available to One Key members. ## 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)