$259 Cheap Flights from Allentown (ABE) to Baltimore (BWI)

View $259 flight on Tue, Jun 10, 2025Opens in a new window

Popular airlines from Lehigh Valley Intl. Airport (ABE) to Baltimore Washington Intl. Airport (BWI)

Find available prices by choosing your travel dates.

Cheap Flights from Allentown to Baltimore (ABE-BWI)

Prices were available within the past 7 days and start at $259 for one-way flights and $399 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Jul 29 - Tue, Aug 12
ABE
Allentown
BWI
Baltimore
$399 Roundtrip, found 2 days ago
$399
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Jul 29 from Allentown to Baltimore, returning Tue, Aug 12, priced at $399 found 2 days ago
American Airlines
Wed, Jun 25 - Tue, Jul 8
ABE
Allentown
BWI
Baltimore
$420 Roundtrip, found 2 days ago
$420
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Jun 25 from Allentown to Baltimore, returning Tue, Jul 8, priced at $420 found 2 days ago
American Airlines
Tue, Jun 10 - Tue, Jun 24
ABE
Allentown
BWI
Baltimore
$423 Roundtrip, found 2 days ago
$423
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Jun 10 from Allentown to Baltimore, returning Tue, Jun 24, priced at $423 found 2 days ago
American Airlines
Tue, Sep 16 - Fri, Sep 19
ABE
Allentown
BWI
Baltimore
$440 Roundtrip, found 18 hours ago
$440
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Tue, Sep 16 from Allentown to Baltimore, returning Fri, Sep 19, priced at $440 found 18 hours ago
American Airlines
Sat, Jun 28 - Tue, Jul 8
ABE
Allentown
BWI
Baltimore
$453 Roundtrip, found 2 days ago
$453
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Jun 28 from Allentown to Baltimore, returning Tue, Jul 8, priced at $453 found 2 days ago
American Airlines
Tue, Jul 22 - Fri, Aug 8
ABE
Allentown
BWI
Baltimore
$461 Roundtrip, found 2 days ago
$461
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Jul 22 from Allentown to Baltimore, returning Fri, Aug 8, priced at $461 found 2 days ago
American Airlines
Tue, Jul 15 - Sat, Aug 2
ABE
Allentown
BWI
Baltimore
$468 Roundtrip, found 2 days ago
$468
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Jul 15 from Allentown to Baltimore, returning Sat, Aug 2, priced at $468 found 2 days ago
American Airlines
Tue, May 20 - Sat, May 31
ABE
Allentown
BWI
Baltimore
$477 Roundtrip, found 5 days ago
$477
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, May 20 from Allentown to Baltimore, returning Sat, May 31, priced at $477 found 5 days ago
Delta
Sun, May 25 - Tue, Jun 10
ABE
Allentown
BWI
Baltimore
$541 Roundtrip, found 5 days ago
$541
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, May 25 from Allentown to Baltimore, returning Tue, Jun 10, priced at $541 found 5 days ago
United
Mon, Jun 30 - Wed, Jul 16
ABE
Allentown
BWI
Baltimore
$547 Roundtrip, found 2 days ago
$547
Roundtrip
found 2 days ago
Select United flight, departing Mon, Jun 30 from Allentown to Baltimore, returning Wed, Jul 16, priced at $547 found 2 days ago
Flights from Allentown (ABE) to Baltimore (BWI)
Origin airport
Lehigh Valley Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
American Airlines, Delta, United
Roundtrip price
$399
Distance
120 mi

Allentown to Baltimore Flights

The cheapest times to fly from Allentown to Baltimore

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Allentown to Baltimore are during the month of July. You can find some of the cheapest flights from Allentown to Baltimore with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Allentown to Baltimore

Sunday is one of the best days to book for cheap flights from Allentown to Baltimore: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Allentown to Baltimore

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Allentown to Baltimore in 2025. You can also book with separate airlines for your outbound and return journeys, from $259 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Allentown to Baltimore flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Allentown to Baltimore airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Lehigh Valley Intl. Airport (ABE) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) cost?
Discover the latest flight deals from ABE to BWI by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ABE to BWI?
The cheapest flights from ABE to BWI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from ABE to BWI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from ABE to BWI. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Lehigh Valley Intl. Airport (ABE) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Direct flights from Lehigh Valley Intl. Airport (ABE) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) aren’t available daily, so you’ll have to take a flight with a layover. Explore your options with Expedia’s filter tool. Enter your dates and click on either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from ABE to BWI?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on a number of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lehigh Valley Intl. Airport (ABE) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
To avoid possible delays on the Lehigh Valley Intl. Airport (ABE) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) route, travel before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Lehigh Valley Intl. Airport (ABE) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) last-minute?
Last-minute fares from ABE to BWI are generally more expensive. To secure the best prices, start looking for flights early. That said, if you can play around with your travel dates, you may score a cheap fare right before your trip.
Is it cheaper to book an ABE to BWI flight and hotel package?
You’ll typically save money by booking an ABE to BWI flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s simple to manage it all in one place. Once you’ve selected your preferred accommodations and flights, consider other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Lehigh Valley Intl. Airport (ABE) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
It’s usually possible to reschedule or cancel your ABE to BWI flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find further details on our Customer Service portal.

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*Available to One Key members.