$161 Cheap Flights from Washington (DCA) to Allentown (ABE)

View $161 flight on Sat, Aug 1, 2026Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Lehigh Valley Intl. Airport (ABE)

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Cheap Flights from Washington to Allentown (DCA-ABE)

Prices were available within the past 7 days and start at $161 for one-way flights and $235 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Sep 26 - Wed, Sep 30
DCA
Washington
ABE
Allentown
$235 Roundtrip, found 7 hours ago
$235
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Sat, Sep 26 from Washington to Allentown, returning Wed, Sep 30, priced at $235 found 7 hours ago
American Airlines
Sat, Sep 26 - Wed, Sep 30
DCA
Washington
ABE
Allentown
$248 Roundtrip, found 7 hours ago
$248
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Sat, Sep 26 from Washington to Allentown, returning Wed, Sep 30, priced at $248 found 7 hours ago
American Airlines
Sat, Sep 26 - Wed, Sep 30
DCA
Washington
ABE
Allentown
$259 Roundtrip, found 7 hours ago
$259
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Sat, Sep 26 from Washington to Allentown, returning Wed, Sep 30, priced at $259 found 7 hours ago
American Airlines
Sat, Sep 26 - Wed, Sep 30
DCA
Washington
ABE
Allentown
$299 Roundtrip, found 7 hours ago
$299
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Sat, Sep 26 from Washington to Allentown, returning Wed, Sep 30, priced at $299 found 7 hours ago
American Airlines
Sat, Apr 25 - Sat, May 2
DCA
Washington
ABE
Allentown
$303 Roundtrip, found 5 days ago
$303
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Apr 25 from Washington to Allentown, returning Sat, May 2, priced at $303 found 5 days ago
American Airlines
Sat, Sep 26 - Wed, Sep 30
DCA
Washington
ABE
Allentown
$313 Roundtrip, found 7 hours ago
$313
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Sat, Sep 26 from Washington to Allentown, returning Wed, Sep 30, priced at $313 found 7 hours ago
American Airlines
Sat, Sep 26 - Wed, Sep 30
DCA
Washington
ABE
Allentown
$318 Roundtrip, found 7 hours ago
$318
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Sat, Sep 26 from Washington to Allentown, returning Wed, Sep 30, priced at $318 found 7 hours ago
American Airlines
Wed, Sep 23 - Wed, Sep 30
DCA
Washington
ABE
Allentown
$322 Roundtrip, found 6 days ago
$322
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Sep 23 from Washington to Allentown, returning Wed, Sep 30, priced at $322 found 6 days ago
Delta
Sat, Sep 26 - Wed, Sep 30
DCA
Washington
ABE
Allentown
$581 Roundtrip, found 7 hours ago
$581
Roundtrip
found 7 hours ago
Select Delta flight, departing Sat, Sep 26 from Washington to Allentown, returning Wed, Sep 30, priced at $581 found 7 hours ago
United
Sat, Sep 26 - Wed, Sep 30
DCA
Washington
ABE
Allentown
$1,001 Roundtrip, found 7 hours ago
$1,001
Roundtrip
found 7 hours ago
Select United flight, departing Sat, Sep 26 from Washington to Allentown, returning Wed, Sep 30, priced at $1,001 found 7 hours ago

Alternative airports near Allentown

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lehigh Valley Intl. ABE. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $605
ABE
Lehigh Valley Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $605

Frequently asked questions

How much does a flight from Washington, DC (DCA-Ronald Reagan Washington National) to Allentown, PA (ABE-Lehigh Valley Intl.) cost?
You can find cheap one-way flights from $161 and cheap return flights from $235 Washington, DC (DCA-Ronald Reagan Washington National) to Allentown, PA (ABE-Lehigh Valley Intl.) with Expedia. One-way flights typically cost between $263 and $1138. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Washington, DC (DCA-Ronald Reagan Washington National) to Allentown, PA (ABE-Lehigh Valley Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Allentown, PA (ABE-Lehigh Valley Intl.)?
The cheapest month to fly from DCA to ABE is September when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Washington, DC (DCA-Ronald Reagan Washington National) to Allentown, PA (ABE-Lehigh Valley Intl.)?
Enter DCA to ABE and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Washington, DC (DCA-Ronald Reagan Washington National) to Allentown, PA (ABE-Lehigh Valley Intl.)?
American Airlines, Delta and United are just some of the carriers that fly from Washington, DC (DCA) to Allentown, PA (ABE). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Washington, DC (DCA-Ronald Reagan Washington National) to Allentown, PA (ABE-Lehigh Valley Intl.)?
To find a cheap flight from Washington, DC (DCA-Ronald Reagan Washington National) to Allentown, PA (ABE-Lehigh Valley Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Allentown, PA (ABE-Lehigh Valley Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Washington, DC (DCA-Ronald Reagan Washington National) to Allentown, PA (ABE-Lehigh Valley Intl.)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from DCA to ABE. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Washington, DC (DCA-Ronald Reagan Washington National) to Allentown, PA (ABE-Lehigh Valley Intl.)?
You'll usually find the most flights from Ronald Reagan Washington National (DCA) to Lehigh Valley Intl. (ABE) on a Sunday, with around 20 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United, American Airlines, and Delta.
What are the most popular departure times for flights from Washington, DC (DCA-Ronald Reagan Washington National) to Allentown, PA (ABE-Lehigh Valley Intl.)?
The most popular departure times for flights from Washington, DC (DCA-Ronald Reagan Washington National) to Allentown (ABE-Lehigh Valley Intl.) are in the morning, from 6am to 9am. About 42% of passengers prefer this time window. Many major carriers, including Delta, United, and American Airlines, offer flights during this window. This timing is favored because it allows you to start your day early and arrive in Allentown with time to spare.
How long does it take to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Allentown, PA (ABE-Lehigh Valley Intl.)?
A flight from DCA to ABE with a layover takes around 6 hours 20 minutes, with the route covering approximately 151 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (DCA-Ronald Reagan Washington National) to Allentown, PA (ABE-Lehigh Valley Intl.)?
First class is available on flights from DCA to ABE. First class cabins are available on:

  • United Airlines
  • Delta Air Lines
  • American Airlines

How do I earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Allentown, PA (ABE-Lehigh Valley Intl.) flight with Expedia?
It's easy to earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Allentown, PA (ABE-Lehigh Valley Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Allentown from Ronald Reagan Washington National (DCA)?
From Ronald Reagan Washington National (DCA), you can fly into Lehigh Valley Intl. (ABE) to reach Allentown. Some flights may connect through major hubs like O'Hare Intl. (ORD), Logan Intl. (BOS), Charlotte-Douglas Intl. (CLT) before reaching Allentown. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (DCA-Ronald Reagan Washington National) to Allentown, PA (ABE-Lehigh Valley Intl.) at the last minute?
Typically, booking a last minute flight from Washington, DC (DCA-Ronald Reagan Washington National) to Allentown, PA (ABE-Lehigh Valley Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (DCA-Ronald Reagan Washington National) to Allentown, PA (ABE-Lehigh Valley Intl.) flight and hotel package?
Securing a Washington, DC (DCA-Ronald Reagan Washington National) to Allentown, PA (ABE-Lehigh Valley Intl.) Allentown Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington, DC (DCA-Ronald Reagan Washington National) to Allentown, PA (ABE-Lehigh Valley Intl.)?
If you booked your Washington, DC (DCA-Ronald Reagan Washington National) to Allentown, PA (ABE-Lehigh Valley Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Lehigh Valley Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$234
Distance
150 mi

Book with confidence

Washington to Allentown Flights

The cheapest times to fly from Washington to Allentown

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 Washington to Allentown are during the month of September. You can find some of the cheapest flights from Washington to Allentown with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Allentown

Sunday is one of the best days to book for cheap flights from Washington to Allentown: 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 Washington to Allentown

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 Washington to Allentown in 2026. You can also book with separate airlines for your outbound and return journeys, from $161 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 Washington to Allentown 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 Washington to Allentown 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.

 

Washington to Allentown Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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