Seattle to Phoenix (BFI–PHX) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
BFI–PHX is served by 2 airlines with nonstop service. Southwest Airlines and GXA lead the route. The flight covers 1,112 miles in approximately 2h 14m. Beyond nonstop, 67 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| WN Southwest Airlines | 1 | – | – | – | – | – |
| GXA GXA | 0 | – | – | – | – | – |
Connection Landscape
Other ways to reach Phoenix from Seattle
| Metric | BFI→PHX | SEA→PHX | PAE→PHX |
|---|---|---|---|
| Distance from BFI | – | 5 mi | 26 mi |
| Nonstop airlines | 2 | 17 | 2 |
| Weekly flights | 2 | 322 | 21 |
| Flight time | 2h 14m | 2h 45m | 2h 54m |
Travel Essentials
BFI: PDT · PHX: MST
When it's 6:00 PM in Seattle, it's 6:00 PM in Phoenix.
PHX Sky Train (free, 24h) connects T3 and T4 to the 44th Street/Washington light rail station in 5 minutes. Valley Metro Rail reaches downtown Phoenix in 20 minutes ($2). Uber and Lyft pick up at Ground Transportation on the lower level; follow signs. Taxis are metered; downtown Phoenix costs $20–30.Rental car agencies are consolidated in the Rental Car Center; the Sky Train connects there from both terminals without going to the street. For Scottsdale, Tempe, or Chandler, ride-hails are practical ($25–50). Express buses serve some suburban destinations.
Hot desert climate. Summers (June–September) are extreme. Daytime temperatures regularly exceed 43°C, occasionally reaching 48°C. Heat alone rarely cancels flights, but density altitude affects small aircraft performance. Monsoon season (July–mid-September) brings dramatic dust storms (haboob) that close the airport when they hit, plus intense flash-flooding thunderstorms that ground departures for 30–90 minutes.
Winters are exceptionally mild (10–22°C) with virtually no precipitation and near-constant sunshine. PHX has one of the lowest weather cancellation rates of any major US airport from November through April. Spring and fall are pleasant; late May and early June are hot and dry before monsoon arrives.
BFI–PHX Quick Facts
Frequently Asked Questions
Flights from BFI to PHX
King County International Airport - Boeing Field (BFI) and Phoenix Sky Harbor International Airport (PHX) are connected by nonstop service from GXA and Southwest Airlines. With 2 weekly departures, this is a regularly served route.
BFI to PHX Flight Duration and Schedule
Nonstop flight time from BFI to PHX ranges from 2 hours 14 minutes to 3 hours 0 minutes. The route covers a distance of 1,112 miles (1,789 km). There are approximately 2 weekly flights outbound and 1 return, totaling 3 flights per week in both directions.
Connecting Options and Alternatives
67 one-stop connections are available, with the fastest taking approximately 4 hours via SCF. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Seattle (SEA) and Everett (PAE).