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Cheap Flights from Philadelphia International to Baltimore Washington International

Compare Philadelphia International to Baltimore Washington International flight deals

Find the cheapest month or even day of the year to fly to Baltimore Washington International

Book the best Baltimore Washington International fare with no extra fees

Flight deals from Philadelphia International to Baltimore Washington International

Looking for a cheap last-minute deal or the best round-trip flight from Philadelphia International Airport to Baltimore Washington International Airport? If you want to travel next month, round-trip fares start from AED 972. Find the lowest prices on one-way and round-trip tickets right here.
Washington, D.C..AED 486 per passenger.Departing Sat, Aug 22.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Philadelphia International on Sat, Aug 22, arriving in Baltimore Washington International.Price includes taxes and charges.From AED 486, select.
Washington, D.C..AED 531 per passenger.Departing Fri, Jul 10.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Philadelphia International on Fri, Jul 10, arriving in Baltimore Washington International.Price includes taxes and charges.From AED 531, select.
Washington, D.C..AED 552 per passenger.Departing Mon, Jun 22.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Philadelphia International on Mon, Jun 22, arriving in Baltimore Washington International.Price includes taxes and charges.From AED 552, select.
Washington, D.C..AED 650 per passenger.Departing Fri, Oct 9.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Philadelphia International on Fri, Oct 9, arriving in Baltimore Washington International.Price includes taxes and charges.From AED 650, select.
Washington, D.C..AED 728 per passenger.Departing Tue, Nov 3.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Philadelphia International on Tue, Nov 3, arriving in Baltimore Washington International.Price includes taxes and charges.From AED 728, select.
Washington, D.C..AED 790 per passenger.Departing Sat, Sep 26.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Philadelphia International on Sat, Sep 26, arriving in Baltimore Washington International.Price includes taxes and charges.From AED 790, select.
Washington, D.C..AED 1,146 per passenger.Departing Thu, Dec 10.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departing from Philadelphia International on Thu, Dec 10, arriving in Baltimore Washington International.Price includes taxes and charges.From AED 1,146, select.
Washington, D.C..AED 1,381 per passenger.Departing Sun, May 31.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Philadelphia International on Sun, May 31, arriving in Baltimore Washington International.Price includes taxes and charges.From AED 1,381, select.
Washington, D.C..AED 5,697 per passenger.Departing Thu, Mar 11.One-way flight with jetBlue.Outbound indirect flight with jetBlue, departing from Philadelphia International on Thu, Mar 11, arriving in Baltimore Washington International.Price includes taxes and charges.From AED 5,697, select.

Find the cheapest month to fly from Philadelphia International to Baltimore Washington International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Philadelphia International to Baltimore Washington International flights are currently cheapest in August.
Jun
from AED 552
Jul
from AED 531
Aug
from AED 486
Sep
from AED 790
Oct
from AED 650
Nov
from AED 728
Dec
from AED 1,146
Jan
Find prices
Feb
Find prices
Mar
from AED 5,697
Apr
Find prices
May
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Philadelphia International to Baltimore Washington International: Alternative routes

Compare routes from Philadelphia International to Washington, D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Baltimore Washington International.

Washington Ronald Reagan

5km from central Washington, D.C.
Closest
from AED 405
Search flights

Camp Springs Andrews AFB

17km from central Washington, D.C.
Search flights

Washington Dulles

37km from central Washington, D.C.
Cheapest
from AED 308
Search flights

Baltimore Washington International

44km from central Washington, D.C.
from AED 486
Search flights

Manassas

47km from central Washington, D.C.
Search flights

Philadelphia to Washington, D.C.: Flight information

The things to know before you go.
Cheapest flight foundAED 486
Cheapest month to flyAugust

Finding cheap flights from Philadelphia International to Baltimore Washington International: Frequently asked questions

The best price we found for a round-trip flight from Philadelphia International to Baltimore Washington International is AED 972. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Philadelphia International to Baltimore Washington International. But we found flights with one or more stops from AED 972.
There are no flights flying from Philadelphia International to Baltimore Washington International, as of June 2026.
The cheapest month to fly from Philadelphia International to Baltimore Washington International is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Philadelphia International Airport to Baltimore Washington International Airport on Monday, July 27, 2026.
No airlines currently offer direct flights between Philadelphia International Airport and Baltimore Washington International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Baltimore Washington International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Washington, D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Baltimore Washington International.

Flying from Philadelphia International Airport (PHL) to Baltimore/Wash International Thurgood Marshall Airport (BWI): what you need to know

  • Philadelphia and Washington DC are in the UTC-4 timezone. That means you won't need to account for any time differences.

  • To ensure you catch your PHL to BWI flight, leave plenty of time to check in and find your gate. Arriving two hours before international departures and an hour before domestic flights is the general travel rule.

  • Be prepared for bigger queues during popular months like August. Arriving up to four hours in advance for international flights and two hours for domestic departures is a good idea.

  • We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from Philadelphia International Airport to Baltimore/Wash International Thurgood Marshall Airport, deselect 'Direct flights only.' Then, choose a flight offering a stop long enough to tour the city of your choice. Top stopovers between PHL and BWI include:

    • Richmond International Airport (Byrd Field)

    • Norfolk International Airport

    • Pittsburgh International Airport

How to find the cheapest flights from Philadelphia International Airport (PHL) to Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Currently, AED 486 is the cheapest price we've found for a one-way Philadelphia International Airport to Baltimore/Wash International Thurgood Marshall Airport flight. The best price for a return plane ticket is AED 972. Keep in mind that fares could change due to demand at the time of booking.

  • It's a good idea to book early if you're looking for cheap tickets from PHL to BWI. That's because airlines adjust prices based on demand, which tends to increase closer to departure.

  • If you can be flexible with your travel dates, try using the 'Whole month' search tool. It'll show you the cheapest price in each month when searching for your flight from Philadelphia International Airport to Baltimore/Wash International Thurgood Marshall Airport.

  • Spend less time searching for cheap flights from PHL to BWI by creating a Price Alert. You'll receive an email or notification through the app when a new discounted fare appears.

  • Pick your preferred arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Philadelphia International Airport to Baltimore/Wash International Thurgood Marshall Airport.

Handy information about Philadelphia International Airport (PHL)

  • PHL is located at Industrial Highway and Island Road.

  • Of all flights departing from Philadelphia International Airport, 78.93% land on schedule at their destination.

  • To reach Philadelphia International Airport from central Philadelphia, it takes about 15 minutes by car. Of course, this depends on traffic. It's approximately 19 kilometers from the airport to the city center.

  • The trip on public transport takes roughly 45 minutes.

  • Catching an early flight from Philadelphia International Airport to Baltimore/Wash International Thurgood Marshall Airport? Avoid rushing to the airport (and sneak in some extra precious sleep) by choosing one of these hotels close to PHL:

Arriving at Baltimore/Wash International Thurgood Marshall Airport (BWI)

Getting from Baltimore/Wash International Thurgood Marshall Airport (BWI) to central Washington DC

  • Baltimore/Wash International Thurgood Marshall Airport to central Washington DC has a drive time of around 50 minutes. It's approximately 48 kilometers away.

  • Traveling by public transport takes roughly 1 hour 30 minutes.

When to fly to Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • July is the busiest month for flights from Philadelphia International Airport to Baltimore/Wash International Thurgood Marshall Airport. For smaller crowds, travel to Washington DC in May.

  • Before locking in your flight from Philadelphia International Airport to Baltimore/Wash International Thurgood Marshall Airport, think about the kind of weather you enjoy. July is the warmest month in Washington DC, with the temperature ranging from 19ºC (66ºF) to 33ºC (91ºF).

  • January has average temperatures of between -6ºC (21ºF) and 10ºC (50ºF). Search for cheap tickets from PHL to BWI sometime around then if you'd rather travel in cooler conditions.

Explore more of United States

  • You've done Washington DC, now it's time to explore more of United States. Journey around 322 kilometers north-east to New York to check off its top sights. From Statue of Liberty to Central Park and Empire State Building, your itinerary will be busy.

  • Philadelphia is another well-known destination in United States and is around 193 kilometers north-east of Washington DC. No trip is complete without a visit to Liberty Bell, Independence Hall and Philadelphia Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.