Baltimore-Washington to Phoenix Sky Harbor
1994 miles great-circle distance, typically flown in 4h 25m with 6 airlines operating direct service from Baltimore-Washington (BWI) to Phoenix Sky Harbor (PHX). Cheapest fares are usually in January (around $249 return), with peak prices in August (around $747). Departures on a Tuesday tend to undercut weekend prices on this corridor.
Flying from Baltimore-Washington
Baltimore-Washington Thurgood Marshall is Southwest Airlines' largest East Coast hub and one of the cheapest US airports for domestic travel. The MARC Penn Line and Amtrak both serve BWI Rail Station — a 12-minute light rail shuttle ride from the terminal — with onward service to Washington Union Station in 30 minutes ($8 MARC, $20+ Amtrak). Limited international long-haul (BA to London, Condor to Frankfurt seasonally); the focus is heavy short-haul Southwest and ULCC capacity.
Arriving in Phoenix
Phoenix Sky Harbor is 4 miles east of downtown Phoenix — one of the most central airports in the US after BOS and DCA. Valley Metro Rail does not enter the airport; the PHX Sky Train light rail connects to METRO at 44th Street/Washington in 5 minutes for $4 then onward to downtown. Spring training (February–March) is peak season; June–August summer heat (110°F+) drives fares to their lowest.
Who flies BWI to PHX?
| Airline | IATA | Flight time | Cabin |
| Southwest Airlines | WN | 4h 25m | Economy |
| Spirit Airlines | NK | 4h 25m | Economy |
| Frontier Airlines | F9 | 4h 25m | Economy |
| American Airlines | AA | 4h 25m | Economy |
| Delta Air Lines | DL | 4h 25m | Economy |
| United Airlines | UA | 4h 25m | Economy |
6 carriers fly direct on this corridor. Frequencies vary by season — summer and winter holiday peaks see additional flights.
Best time to fly BWI→PHX
Synthesised from 12-month price aggregates. Cheapest months in green, peak in red.
Estimated baseline. Prices update on a 30-day cadence as Travelpayouts data refreshes. Cheapest day-of-week typically Tuesday.
Baltimore to Phoenix FAQs
Direct flights from Baltimore-Washington (BWI) to Phoenix Sky Harbor (PHX) take approximately 4h 25m for the 1994-mile journey, plus 30–60 minutes of taxi, climb and descent. Total airport-to-airport time depends on cruise winds and air-traffic queueing on approach.
January is typically the cheapest month on this route, with one-way fares from $249. August is the peak — expect prices 2–3× higher. Book 4–8 weeks ahead for best fares; last-minute prices on this corridor rise sharply inside two weeks of departure.
6 carriers operate direct service from Baltimore-Washington (BWI) to Phoenix Sky Harbor (PHX): Southwest Airlines, Spirit Airlines, Frontier Airlines, American Airlines, Delta Air Lines and 1 more. Frequencies vary by season and carrier — Southwest Airlines typically operates the highest weekly count on this corridor.
No — United States is domestic travel for US citizens. A US passport is not required for the 50 states, DC or US territories (Puerto Rico, US Virgin Islands, Guam, American Samoa, Northern Mariana Islands), though Real ID-compliant ID is required at TSA from May 2025.
Phoenix Sky Harbor (PHX) is the primary international airport for Phoenix. Allow 30–60 minutes for the ground transfer by train, express bus, taxi or rideshare depending on traffic and time of day. See the airport's official website for current train and shuttle timetables.