$180 Find Cheap Flights from Allentown to Washington

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Allentown to Washington departing on 1/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Washington

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Allentown to Washington, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Allentown to Washington, as well as popular online travel agencies
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Cheap Flights from Allentown to Washington

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Seattle
Seattle1 stop$297
Spokane
Spokane2 stops$394
Seattle
Seattle1 stop$297
Spokane
Spokane2 stops$394

Book Cheap Allentown to Washington Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Allentown to Washington that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Allentown to Washington

Mon, Mar 2 - Fri, Mar 6
United Airlines Logo
5:23 pm - 10:43 pmABE-SEA
8h 20m1 stop
United Airlines Logo
11:59 pm - 9:58 amSEA-ABE
6h 59m1 stop
$297United Airlines
Find Deal
Mon, Mar 2 - Fri, Mar 6
United Airlines Logo
5:23 pm - 10:43 pmABE-SEA
8h 20m1 stop
United Airlines Logo
7:32 pm - 9:58 amSEA-ABE
11h 26m2 stops
$302United Airlines
Find Deal
Wed, Jan 21 - Sat, Jan 24
Delta Logo
12:50 pm - 7:13 pmABE-PDX
9h 23m1 stop
Delta Logo
11:44 am - 10:10 pmPDX-ABE
7h 26m1 stop
$309Delta
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Sun, Jan 11 - Sat, Jan 17
United Airlines Logo
4:57 pm - 10:32 pmABE-PDX
8h 35m1 stop
United Airlines Logo
7:52 pm - 10:41 amPDX-ABE
11h 49m2 stops
$314United Airlines
Find Deal
Tue, Jan 20 - Sat, Jan 24
Delta Logo
5:59 pm - 9:17 amABE-SEA
18h 18m2 stops
Delta Logo
10:59 pm - 12:05 pmSEA-ABE
10h 06m1 stop
$331Delta
Find Deal
Tue, Jan 20 - Sat, Jan 24
Delta Logo
5:59 pm - 9:17 amABE-SEA
18h 18m2 stops
Delta Logo
10:59 pm - 12:05 pmSEA-ABE
10h 06m1 stop
$341Delta
Find Deal
Tue, Jan 20 - Sat, Jan 24
Delta Logo
5:59 pm - 9:17 amABE-SEA
18h 18m2 stops
Delta Logo
10:59 pm - 12:05 pmSEA-ABE
10h 06m1 stop
$357Delta
Find Deal
Tue, Jan 20 - Sat, Jan 24
United Airlines Logo
11:30 am - 12:59 amABE-SEA
16h 29m2 stops
United Airlines Logo
5:10 pm - 10:41 amSEA-ABE
14h 31m2 stops
$367United Airlines
Find Deal
Thu, Jan 8 - Fri, Jan 16
American Airlines Logo
1:02 pm - 8:24 pmABE-PDX
10h 22m1 stop
American Airlines Logo
6:01 am - 10:26 pmPDX-ABE
13h 25m2 stops
$446American Airlines
Find Deal
Thu, Jan 8 - Fri, Jan 16
American Airlines Logo
1:02 pm - 10:38 pmABE-PDX
12h 36m2 stops
American Airlines Logo
6:01 am - 10:26 pmPDX-ABE
13h 25m2 stops
$451American Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for Allentown to Washington flights

Get data-powered insights and trends into flights from Allentown to Washington to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Allentown to State of Washington?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Allentown to State of Washington departing in March.

What is the cheapest month to fly from Allentown to Washington?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Allentown to Washington, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Allentown to Washington is October, when tickets cost $294 (return) on average. On the other hand, the most expensive months are November and July, when the average cost of round-trip tickets is $953 and $788 respectively.

What’s the cheapest day of the week to fly from Allentown to Washington?

The average price of all round-trip flights from Allentown to Washington clicked on KAYAK for each day over the last 12 months.

When flying from Allentown to Washington, you should consider leaving on a Wednesday and avoid Mondays if you are looking for the best rates. For your return to Allentown, you’ll find the best rates on Sundays and the most expensive ones on Saturdays.

Good to know

Low seasonJune
Cheapest flight$180
Best time to beat the crowds with an average 8% drop in price.
Most popular time to fly and prices are also 21% lower on average.
Flight from Allentown to Seattle

FAQs - booking Washington flights

  • How does KAYAK find such low prices on flights from Allentown to Washington?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Allentown to Washington.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Allentown to Washington?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Allentown to Washington is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Allentown to Washington?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Allentown to Washington with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Allentown to Washington?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Allentown to Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Washington?

    The cheapest time of day to fly to Washington is generally in the evening, when round-trip flights cost $535 on average. Morning departures are around 17% more expensive than evening flights, on average. The most expensive time of day to fly to Washington is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $723.

Reviews of the top 3 airlines serving from Allentown to Washington

 
See real verified KAYAK customer reviews for airlines flying from Allentown to Washington. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Allentown to Washington? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8010 reviews
7.9Entertainment
8.1Boarding
7.9Comfort
7.3Food
8.5Crew
Airline reviews

Staff was exceptional! Everyone was kind, professional and friendly making the trip very pleasant. Thank you!

10.0 ExcellentMary Heather, Nov 2025MKE - LGA
Read more Delta reviews

Staff was exceptional! Everyone was kind, professional and friendly making the trip very pleasant. Thank you!

No lunch on a x-country flight scheduled for 10:50 am departure, arrived 5+ hrs later. That requires a black box label before you pay for the tickets. Worst, when I checked in online, it's specifically said that lunch was served on his flight for economy Plus passengers.

We had a lot of really rough weather but that was not Delta's fault. Pilot was amazing.

First, Delta needs more flights to/from Miami. Second, a 1000pm leaving at 1230pm is unacceptable from their biggest airport world hub. Another aircraft could have been used such as the aircraft scheduled to be used in the morning for that exact same route. Yes, I did get me there but the lack of sleep the next day didn't help me enjoy my entire trip since I was busy with activities during the weekend. This can be and is expected from Spirit (going bankrupt) and Frontier (despite they're nickel and dimers). But from Delta's World Hub? That's totally unacceptable!

This flight was straightforward and without difficulty. Service was OK, but I continue to be underwhelmed by level of attention given to Sky Priority passengers.

It would’ve been nice for all that money to have a more substantial snack for free. I remember once upon a time getting a very nice turkey sandwich with Swiss cheese on whole wheat bread for no charge along with a drink. I guess those days are gone. it’s a little insulting being given a cookie or a bag of baked chips Going forward I’ll just bring my own.

Our flight from SFO to MSP was right on time on 11/15/2025. No delays. As we approached MSP at about 8 pm, we circled in the air until 8:40 pm so I don't call that efficient for MSP. I think the captain should announce the delay and why. (as if we all don't know that we are just circling around the area, slowing down, speeding up, slowing down.) Thank you. Marilyn Fischer

Service in business class was not impressive. I ordered coffee with dinner and then watched other people get 2 refills before I got my 1 cup of coffee, and only after I pressed the attendant button overhead. Furthermore, the seats in the forward cabin need maintenance on this 737-800: the upholstery is detaching from the seat frame, at least on the backs of seats 1C, 1D.

The ticket agents in West Palm Beach on Friday afternoon Nov. 7th were incredible in getting us on an earlier plane to Atlanta during the government shutdown. Had the taken our original flight we would have missed our connection. She did this on her own, We didn't even have to ask, and she did it all with a smile and showing genuine concern that we would be taken care of. We are very grateful and thankful. We fly often, and now we will be sure to fly Delta.

Flight delayed then cancelled. Misplaced luggage. Still do not have. Rented car 1100 mile drive. I had to buy some overnight Hotels clothes toiletries gas food at my expense. Still not home. Not sure where luggage is. Over 4 hours on hold to Felta

Ot was overall fine. Left on time and had basic snacks. Weather was finicky but that’s not the airlines fault.

Very thoughtful flight attendant offered me water immediately since I had run to make my connection.

Door to door, the crew and staff were amazing. It was a stressful travel day with delays, but they were focused on customers and doing what they could to get us to our destinations.

Even though we were delayed, we were able to make our connection

Starlink wifi on the Embraer E175 is an excellent experience. I was able to connect and work from IAD all the way to approach into BTV.

Older aircraft, no meal, only food was for purchase. Not impressed United.

United needs to step up their game. Delayed flight leaving Seattle, San Francisco. Older aircraft, not very comfortable.

Always wish for more healthy, gluten free options. We have to bring our own.

Having a long layover, I was very appreciative of the ability to stand by for an earlier flight. Other airlines like Delta have refused this to me in the past, just to be mean (because my ticket class wasn't high enough). United went out of their way to help me get to my destination early, which I really appreciated given that it was the third leg of a 24+ hour journey for me.

Other than a way way too cold cabinets for the entire flight, all was great

Delays to take off and to leave the plane after landing added a lot of time to this flight.

Flight was delayed because of a bird strike. They had another plane available within 45 minutes.

The Phildalphia to Allentown portion was a BUS, not a plane. All was as expected.

Excellent - explanations were clear staff was nice and flight was comfortable

Flight was delayed not sure why no explanation given and no apologies either. Otherwise the flight was fine

Did not get the seat I selected and paid for.

Plane was delayed for 6 hours, at first by weather, which is understandable, but was further delayed with NO given reason for 2 1/2 hours more. We had no clue when we were going to depart actually until they opened the ramp. VERY POOR to ZERO COMMUNICATION!!!

Flight was delayed and after being in the airport for like seven hours, it was canceled.

Flight delays numerous times. Everytime we would get close to boarding it would be delayed again. Strung along the entire time.

Overall very good, only complaint I have is the crew from CLT to SAT could have collected trash sooner.

Everything you need to know for your flight from Allentown to Washington

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