Cheap flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. from $140

If you’re not able to fly to Baltimore in January, then December is your next best option. Flight prices from Phoenix Sky Harbor Intl Airport to Baltimore during December average around $322.

The cheapest day to depart from Phoenix Sky Harbor Intl Airport to Baltimore is on a Tuesday. Travelers who choose to depart for Baltimore on a Tuesday will often find tickets for as low as $410. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $517. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baltimore.

Flying to Baltimore from Phoenix Sky Harbor Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $410 when looking at flights departing in the evening. Flights in the afternoon are often more expensive with an average ticket price of $519.

Fly from Phoenix Sky Harbor Intl to Baltimore/Washington for the best Phoenix Sky Harbor Intl - Baltimore/Washington flight prices

You are more likely to see cheaper flights to Baltimore from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Baltimore for around $366 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Baltimore from Phoenix Sky Harbor Intl Airport for as low as $292 on momondo.

Delta, Southwest, and United Airlines are the most popular carriers operating from Phoenix Sky Harbor Intl to Baltimore/Washington

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Baltimore from Phoenix Sky Harbor Intl Airport according to our data. American Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Baltimore. Keep in mind that there are 6 different airlines that fly to Baltimore on a routine basis, so you have a few additional options to choose from.

Historically, on average around 13% of flights between Phoenix and Baltimore have experienced a delay on any given week. The average delay length over the past 12 months has been 102 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Southwest have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.

Chicago (ORD) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Charlotte (CLT) offer the lowest average round-trip price of $218.

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 6h 26m.

Atlanta (ATL) has the shortest average layover time for this route: 0h 57m.

The number of flights available between Phoenix Sky Harbor Intl Airport and Baltimore is 4 per day as of May 2026. The most frequent departure time is 10:00PM, with 44% of daily flights leaving in the afternoon.

The number of flights available between Phoenix Sky Harbor Intl Airport and Baltimore is 30 per week as of May 2026. The most frequent departure day is Sun, with 23% of weekly flights leaving on this day.