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Cheap flights from Washington to Allentown from $250

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Allentown departing on 2/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Washington to Allentown

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:00 am - 4:44 pmSEA-ABE
7h 44m1 stop
American Airlines Logo
1:48 pm - 8:37 pmABE-SEA
9h 49m1 stop
$296American Airlines
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Thu, Dec 4 - Fri, Dec 12
Delta Logo
6:00 am - 5:13 pmSEA-ABE
8h 13m1 stop
Delta Logo
5:40 pm - 12:16 amABE-SEA
9h 36m1 stop
$317Delta
Find Deal
Tue, Mar 10 - Wed, Mar 11
American Airlines Logo
8:15 am - 11:06 pmSEA-ABE
11h 51m2 stops
American Airlines Logo
1:48 pm - 8:37 pmABE-SEA
9h 49m1 stop
$322American Airlines
Find Deal
Thu, Dec 4 - Fri, Dec 12
Delta Logo
6:00 am - 5:13 pmSEA-ABE
8h 13m1 stop
Delta Logo
5:40 pm - 12:16 amABE-SEA
9h 36m1 stop
$348Delta
Find Deal
Tue, Mar 10 - Wed, Mar 11
American Airlines Logo
12:31 am - 1:30 pmSEA-ABE
9h 59m2 stops
American Airlines Logo
1:48 pm - 8:37 pmABE-SEA
9h 49m1 stop
$372American Airlines
Find Deal
Wed, Dec 3 - Fri, Dec 12
United Airlines Logo
5:10 pm - 10:41 amSEA-ABE
14h 31m2 stops
United Airlines Logo
6:15 am - 11:32 amABE-SEA
8h 17m1 stop
$382United Airlines
Find Deal
Thu, Jan 8 - Sun, Jan 11
American Airlines Logo
1:56 pm - 12:16 amSEA-ABE
7h 20m1 stop
American Airlines Logo
1:43 pm - 9:00 pmABE-SEA
10h 17m1 stop
$392American Airlines
Find Deal
Thu, Feb 19 - Mon, Feb 23
Delta Logo
12:40 pm - 10:52 pmGEG-ABE
7h 12m1 stop
Delta Logo
6:30 am - 11:41 amABE-GEG
8h 11m1 stop
$396Delta
Find Deal
Tue, Mar 3 - Wed, Mar 4
American Airlines Logo
8:15 am - 11:06 pmSEA-ABE
11h 51m2 stops
American Airlines Logo
1:48 pm - 11:38 pmABE-SEA
12h 50m2 stops
$402American Airlines
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Thu, Dec 4 - Fri, Dec 12
United Airlines Logo
7:29 pm - 9:59 amSEA-ABE
11h 30m2 stops
United Airlines Logo
5:32 pm - 10:32 pmABE-SEA
8h 00m1 stop
$442United Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11

Delta flights from State of Washington to Allentown

Our best Delta deals on State of Washington to Allentown flight tickets
Delta
Mar 10
SEA6:00 amSeattle/Tacoma Intl
8h 13m
1 stop
ABE5:13 pmAllentown-Bethlehem
Mar 11
ABE5:40 pmAllentown-Bethlehem
9h 36m
1 stop
SEA12:16 amSeattle/Tacoma Intl
$317
Find similar
Delta
Mar 10
SEA6:00 amSeattle/Tacoma Intl
8h 13m
1 stop
ABE5:13 pmAllentown-Bethlehem
Mar 11
ABE5:40 pmAllentown-Bethlehem
9h 36m
1 stop
SEA12:16 amSeattle/Tacoma Intl
$348
Find similar
Delta
Mar 3
GEG12:40 pmSpokane
7h 12m
1 stop
ABE10:52 pmAllentown-Bethlehem
Mar 4
ABE6:30 amAllentown-Bethlehem
8h 11m
1 stop
GEG11:41 amSpokane
$396
Find similar

United Airlines flights from State of Washington to Allentown

Our best United Airlines deals on State of Washington to Allentown flight tickets
United Airlines
Jan 8
SEA5:10 pmSeattle/Tacoma Intl
14h 31m
2 stops
ABE10:41 amAllentown-Bethlehem
Jan 11
ABE6:15 amAllentown-Bethlehem
8h 17m
1 stop
SEA11:32 amSeattle/Tacoma Intl
$382
Find similar
United Airlines
Mar 10
SEA7:29 pmSeattle/Tacoma Intl
11h 30m
2 stops
ABE9:59 amAllentown-Bethlehem
Mar 11
ABE5:32 pmAllentown-Bethlehem
8h 00m
1 stop
SEA10:32 pmSeattle/Tacoma Intl
$442
Find similar
United Airlines
Jan 8
SEA10:58 amSeattle/Tacoma Intl
7h 17m
1 stop
ABE9:15 pmAllentown-Bethlehem
Jan 11
ABE6:15 amAllentown-Bethlehem
8h 17m
1 stop
SEA11:32 amSeattle/Tacoma Intl
$458
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Allentown that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 23, 2025.
Use the filters below to find and compare flights from Washington to Allentown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleAllentown

SEA - ABE

SEAABE

Seattle/Tacoma Intl

Thu 12/4

6:00 am-4:44 pm

1 stop7h 44m

Allentown-Bethlehem

Fri 12/12

1:48 pm-8:37 pm

1 stop9h 49m

$296

SeattleAllentown

SEA - ABE

SEAABE

Seattle/Tacoma Intl

Tue 3/10

6:00 am-5:13 pm

1 stop8h 13m

Allentown-Bethlehem

Wed 3/11

5:40 pm-12:16 am

1 stop9h 36m

$317

SeattleAllentown

SEA - ABE

SEAABE

Seattle/Tacoma Intl

Thu 12/4

8:15 am-11:06 pm

2 stops11h 51m

Allentown-Bethlehem

Fri 12/12

1:48 pm-8:37 pm

1 stop9h 49m

$322

SeattleAllentown

SEA - ABE

SEAABE

Seattle/Tacoma Intl

Tue 3/10

6:00 am-5:13 pm

1 stop8h 13m

Allentown-Bethlehem

Wed 3/11

5:40 pm-12:16 am

1 stop9h 36m

$348

SeattleAllentown

SEA - ABE

SEAABE

Seattle/Tacoma Intl

Wed 12/3

12:31 am-1:30 pm

2 stops9h 59m

Allentown-Bethlehem

Fri 12/12

1:48 pm-8:37 pm

1 stop9h 49m

$372

SeattleAllentown

SEA - ABE

SEAABE

Seattle/Tacoma Intl

Thu 1/8

5:10 pm-10:41 am

2 stops14h 31m

Allentown-Bethlehem

Sun 1/11

6:15 am-11:32 am

1 stop8h 17m

$382

SeattleAllentown

SEA - ABE

SEAABE

Seattle/Tacoma Intl

Thu 2/19

1:56 pm-12:16 am

1 stop7h 20m

Allentown-Bethlehem

Mon 2/23

1:43 pm-9:00 pm

1 stop10h 17m

$392

SpokaneAllentown

GEG - ABE

GEGABE

Spokane

Tue 3/3

12:40 pm-10:52 pm

1 stop7h 12m

Allentown-Bethlehem

Wed 3/4

6:30 am-11:41 am

1 stop8h 11m

$396

SeattleAllentown

SEA - ABE

SEAABE

Seattle/Tacoma Intl

Thu 12/4

8:15 am-11:06 pm

2 stops11h 51m

Allentown-Bethlehem

Fri 12/12

1:48 pm-11:38 pm

2 stops12h 50m

$402

SeattleAllentown

SEA - ABE

SEAABE

Seattle/Tacoma Intl

Tue 3/10

7:29 pm-9:59 am

2 stops11h 30m

Allentown-Bethlehem

Wed 3/11

5:32 pm-10:32 pm

1 stop8h 00m

$442

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Allentown from

How to get the cheapest flight ticket from State of Washington to Allentown

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Allentown?

The cheapest day to depart from State of Washington to Allentown is on a Sunday when prices can be found for as low as $380. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Allentown on Saturday is $980.

What is the cheapest time of day to depart on your flight to Allentown?

In the evening is the cheapest time of day to fly from State of Washington to Allentown when you can find flight prices for as low as $593. Flying to Allentown in the evening is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $782.

Can stopping save me money on State of Washington to Allentown flights?

You could potentially save up to 21% on your flight if you consider stops on a State of Washington to Allentown flight.

Cheap State of Washington to Allentown flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Allentown

Direct flights

None
There are no direct flights from State of Washington to Allentown. There are no popular flight routes from State of Washington to Allentown.
Search flight deals

  • When did momondo last update prices for flights from Washington to Allentown-Bethlehem Airport?

    Prices for flights from Washington to Allentown-Bethlehem Airport were last updated today.

  • How many operators does momondo search for flights from Washington to Allentown-Bethlehem Airport?

  • How old do you have to be to fly from Washington to Allentown-Bethlehem Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Allentown-Bethlehem Airport.

  • What documentation or ID do you need to fly to Allentown-Bethlehem Airport?

    The necessary travel and health documents for your Allentown-Bethlehem Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Allentown

Compare and see reviews for airlines that fly from State of Washington to Allentown with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $297Free CancellationRating
7.9
7,982 reviews
Search Delta flights
American AirlinesPriceFrom $308Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights
United AirlinesPriceFrom $383Free CancellationRating
7.4
8,995 reviews
Search United Airlines flights

Traveling to a place near Allentown?

Book flights to Allentown if you plan to visit one of these locations
Lehighton

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Allentown?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington to Allentown for you.

Can I find flights from Washington to Allentown with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Allentown from Washington with this policy.

How can momondo help me find flights from Washington to Allentown?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Allentown from Washington.

I’m not ready to book a flight from Washington to Allentown right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington to Allentown now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Allentown and let you know when they change.

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