--- title: "Pasco (PSC) airport: direct flights & routes" description: "Flights to and from Pasco (PSC), Tri-Cities Airport: 11 nonstop destinations on 5 airlines, including Seattle, Denver and Phoenix. See who flies each one on 2LNR." canonical: "https://2lnr.com/routes/psc" url: "https://2lnr.com/routes/psc.md" date_modified: "2026-10-23T14:17:50Z" --- # Direct flights from Pasco (PSC) From Tri-Cities Airport (PSC), 5 airlines fly nonstop to 11 destinations, led by Alaska Airlines, Delta Air Lines, and Allegiant Air. The busiest nonstops from Pasco go to Seattle, Denver, and Phoenix. 2LNR monitors confirmed space on the Pasco routes flown by Alaska Airlines, Delta Air Lines, and American Airlines so you can act while it's still available. Route data refreshed October 23, 2026. Routes and carriers reflect the schedule data behind 2LNR's route map. Updated October 24, 2026. Explore Pasco routes on the interactive map [Get started free](https://2lnr.com/login) 11 Nonstop destinations 5 Airlines serving PSC Free To get started ## About Tri-Cities Airport (PSC) Tri-Cities Airport (PSC) is the airport serving Pasco, United States. Its ICAO code is KPSC. Departure and arrival times at PSC are local to the America/Los\_Angeles time zone. Every one of its 11 nonstop destinations is inside United States. ## Confirmed upgrade & award space on Pasco routes 2LNR tracks confirmed upgrade and award space on Alaska Airlines, Delta Air Lines, and American Airlines, segment by segment and date by date. Pick any Pasco destination below to open a calendar of departures, the next 14 days free on every product and the full horizon on Pro. ### See real availability Confirmed upgrade or award seats by date on the PSC routes 2LNR tracks, checked against live inventory so you know what's open before you book. ### Set an alert Premium inventory turns over fast. Watch a tracked Pasco route on Pro and 2LNR notifies you when space appears. ### Plan on the map Explore every PSC nonstop on the interactive route map, with connections and route statistics. ## All nonstop destinations from Pasco (PSC) These are the city pairs behind flights to and from Pasco: 11 nonstop destinations with active service at Tri-Cities Airport. Each route links to its own page, with confirmed upgrade or award space by date where 2LNR tracks the carrier. - [Pasco to Denver flights (PSC-DEN)](https://2lnr.com/routes/psc-den.md): United Airlines\ [Return: Denver to Pasco](https://2lnr.com/routes/den-psc.md) - [Pasco to Las Vegas flights (PSC-LAS)](https://2lnr.com/routes/psc-las.md): Allegiant Air\ [Return: Las Vegas to Pasco](https://2lnr.com/routes/las-psc.md) - [Pasco to Los Angeles flights (PSC-LAX)](https://2lnr.com/routes/psc-lax.md): Alaska Airlines\ [Return: Los Angeles to Pasco](https://2lnr.com/routes/lax-psc.md) - [Pasco to Mesa flights (PSC-AZA)](https://2lnr.com/routes/psc-aza.md): Allegiant Air\ [Return: Mesa to Pasco](https://2lnr.com/routes/aza-psc.md) - [Pasco to Minneapolis flights (PSC-MSP)](https://2lnr.com/routes/psc-msp.md): Delta Air Lines\ [Return: Minneapolis to Pasco](https://2lnr.com/routes/msp-psc.md) - [Pasco to Phoenix flights (PSC-PHX)](https://2lnr.com/routes/psc-phx.md): American Airlines\ [Return: Phoenix to Pasco](https://2lnr.com/routes/phx-psc.md) - [Pasco to Portland flights (PSC-PDX)](https://2lnr.com/routes/psc-pdx.md): Alaska Airlines\ [Return: Portland to Pasco](https://2lnr.com/routes/pdx-psc.md) - [Pasco to Salt Lake City flights (PSC-SLC)](https://2lnr.com/routes/psc-slc.md): Delta Air Lines\ [Return: Salt Lake City to Pasco](https://2lnr.com/routes/slc-psc.md) - [Pasco to San Francisco flights (PSC-SFO)](https://2lnr.com/routes/psc-sfo.md): United Airlines\ [Return: San Francisco to Pasco](https://2lnr.com/routes/sfo-psc.md) - [Pasco to Santa Ana flights (PSC-SNA)](https://2lnr.com/routes/psc-sna.md): Allegiant Air\ [Return: Santa Ana to Pasco](https://2lnr.com/routes/sna-psc.md) - [Pasco to Seattle flights (PSC-SEA)](https://2lnr.com/routes/psc-sea.md): Alaska Airlines and Delta Air Lines\ [Return: Seattle to Pasco](https://2lnr.com/routes/sea-psc.md) Explore PSC routes on the interactive map → ## Nonstop flights to Pasco (PSC) 11 airports have nonstops to Tri-Cities Airport in 2LNR's schedule data. Here they are, with the airlines that fly each route. - [Denver to Pasco flights (DEN-PSC)](https://2lnr.com/routes/den-psc.md): United Airlines - [Las Vegas to Pasco flights (LAS-PSC)](https://2lnr.com/routes/las-psc.md): Allegiant Air - [Los Angeles to Pasco flights (LAX-PSC)](https://2lnr.com/routes/lax-psc.md): Alaska Airlines - [Mesa to Pasco flights (AZA-PSC)](https://2lnr.com/routes/aza-psc.md): Allegiant Air - [Minneapolis to Pasco flights (MSP-PSC)](https://2lnr.com/routes/msp-psc.md): Delta Air Lines - [Phoenix to Pasco flights (PHX-PSC)](https://2lnr.com/routes/phx-psc.md): American Airlines - [Portland to Pasco flights (PDX-PSC)](https://2lnr.com/routes/pdx-psc.md): Alaska Airlines - [Salt Lake City to Pasco flights (SLC-PSC)](https://2lnr.com/routes/slc-psc.md): Delta Air Lines - [San Francisco to Pasco flights (SFO-PSC)](https://2lnr.com/routes/sfo-psc.md): United Airlines - [Santa Ana to Pasco flights (SNA-PSC)](https://2lnr.com/routes/sna-psc.md): Allegiant Air - [Seattle to Pasco flights (SEA-PSC)](https://2lnr.com/routes/sea-psc.md): Alaska Airlines and Delta Air Lines ## Airlines that fly out of Pasco (PSC) The carriers with nonstop service from Tri-Cities Airport, ordered by how many destinations each one reaches. Each links to that airline's full route map. - [Alaska Airlines (AS)](https://2lnr.com/routes/airlines/as.md) - [Delta Air Lines (DL)](https://2lnr.com/routes/airlines/dl.md) - [Allegiant Air (G4)](https://2lnr.com/routes/airlines/g4.md) - [United Airlines (UA)](https://2lnr.com/routes/airlines/ua.md) - [American Airlines (AA)](https://2lnr.com/routes/airlines/aa.md) ## Alternative airports near Pasco (PSC) Nearby airports with nonstop service of their own, closest first. Distances are great-circle between the two airports' coordinates, not driving time, so check the ground connection before you treat one as a substitute. - [Walla Walla East (ALW)](https://2lnr.com/routes/alw.md) (41 miles, 1 nonstop destination) - [Pendleton (PDT)](https://2lnr.com/routes/pdt.md) (41 miles, 1 nonstop destination) - [Yakima (YKM)](https://2lnr.com/routes/ykm.md) (71 miles, 1 nonstop destination) - [East Wenatchee Bench (EAT)](https://2lnr.com/routes/eat.md) (94 miles, 2 nonstop destinations) - [Lewiston Orchards (LWS)](https://2lnr.com/routes/lws.md) (101 miles, 2 nonstop destinations) - [Pullman (PUW)](https://2lnr.com/routes/puw.md) (101 miles, 2 nonstop destinations) [United States flights by airport](https://2lnr.com/routes/to/united-states.md) - [How Alaska upgrades clear](https://2lnr.com/about/as/upgrades.md) - [How to read award availability by date](https://2lnr.com/guides/award-availability.md) ## Frequently asked questions about Pasco (PSC) **How many nonstop destinations does Tri-Cities Airport (PSC) serve?** Tri-Cities Airport has active nonstop service to 11 destinations in 2LNR's schedule data. The busiest markets from PSC are Seattle, Denver, and Phoenix. The full list, with who flies each route and, where 2LNR tracks the carrier, upgrade and award space by date, is on this page. **Which airlines fly out of Pasco (PSC)?** The carriers with nonstop service from Tri-Cities Airport are listed in full on this page, each linked to its own route map. Alaska Airlines, Delta Air Lines, and Allegiant Air run the most routes from Pasco, in that order. In 2LNR's schedule data that is 5 airlines in total. **How many airlines fly out of PSC?** 2LNR's schedule data currently shows 5 airlines with at least one nonstop route from Pasco (PSC). That figure counts the carrier operating the flight rather than every carrier that sells a seat on it, so a codeshare marketed by a partner is not counted twice, and it moves with the season. **How do I check upgrade or award availability from PSC?** Pick any destination on this page, such as Seattle, to open a calendar of PSC departures with confirmed upgrade and award space on Alaska Airlines, Delta Air Lines, and American Airlines by date, the next 14 days free on every product and the full horizon on Pro. On Pro you can also set an alert so 2LNR notifies you when space opens. **Does 2LNR track flights from PSC?** Yes. Every nonstop route from Tri-Cities Airport in 2LNR's schedule data is listed, 11 destinations in total, and on the routes flown by Alaska Airlines, Delta Air Lines, and American Airlines what is shown is confirmed availability rather than a forecast, the next 14 days free on every product and the full horizon on Pro. **Where can you fly nonstop from Pasco (PSC)?** From Pasco (PSC), 2LNR's schedule data shows nonstop flights to Denver, Las Vegas, Los Angeles, Mesa, Minneapolis, Phoenix, Portland, Salt Lake City, San Francisco, Santa Ana, and Seattle. This page lists every one, with the airlines that fly it. ## Never miss PSC upgrade or award space See what's open by date on these routes, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)