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Cheap flights from Seattle to Allentown from $159

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Allentown departing on 11/15. 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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Cheap round-trip flights

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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
mar., mar. 10 - mié., mar. 11
United Airlines Logo
11:59 pm - 11:48 amSEA-ABE
8h 49m1 stop
United Airlines Logo
6:32 am - 11:45 amABE-SEA
8h 13m1 stop
$377United Airlines
Find Deal
jue., oct. 30 - sáb., nov. 1
United Airlines Logo
11:59 pm - 11:48 amSEA-ABE
8h 49m1 stop
United Airlines Logo
1:00 pm - 12:59 amABE-SEA
14h 59m2 stops
$382United Airlines
Find Deal
jue., oct. 30 - sáb., nov. 1
United Airlines Logo
11:59 pm - 11:48 amSEA-ABE
8h 49m1 stop
United Airlines Logo
5:22 pm - 10:28 pmABE-SEA
8h 06m1 stop
$409United Airlines
Find Deal
jue., oct. 30 - sáb., nov. 1
United Airlines Logo
11:59 pm - 11:48 amSEA-ABE
8h 49m1 stop
United Airlines Logo
1:00 pm - 12:59 amABE-SEA
14h 59m2 stops
$414United Airlines
Find Deal
jue., oct. 30 - sáb., nov. 1
United Airlines Logo
11:40 pm - 10:38 amSEA-ABE
7h 58m1 stop
United Airlines Logo
6:32 am - 11:43 amABE-SEA
8h 11m1 stop
$423United Airlines
Find Deal
mié., oct. 22 - mié., oct. 29
United Airlines Logo
7:37 pm - 10:38 amSEA-ABE
12h 01m2 stops
United Airlines Logo
6:32 am - 11:43 amABE-SEA
8h 11m1 stop
$428United Airlines
Find Deal
mié., oct. 22 - mié., oct. 29
Delta Logo
6:00 am - 5:13 pmSEA-ABE
8h 13m1 stop
Delta Logo
5:40 pm - 12:16 amABE-SEA
9h 36m1 stop
$477Delta
Find Deal
mar., mar. 10 - mié., mar. 11
American Airlines Logo
7:44 am - 9:40 pmSEA-ABE
10h 56m2 stops
American Airlines Logo
6:13 am - 12:51 pmABE-SEA
9h 38m1 stop
$502American Airlines
Find Deal
jue., oct. 30 - sáb., nov. 1
American Airlines Logo
12:34 am - 2:13 pmSEA-ABE
10h 39m2 stops
American Airlines Logo
5:53 pm - 10:56 pmABE-SEA
8h 03m1 stop
$660American Airlines
Find Deal
mié., oct. 29 - sáb., nov. 1

American Airlines flights from Seattle to Allentown

Our best American Airlines deals on Seattle to Allentown flight tickets
American Airlines
Oct 30
SEA7:44 amSeattle/Tacoma Intl
10h 56m
2 stops
ABE9:40 pmAllentown-Bethlehem
Nov 1
ABE6:13 amAllentown-Bethlehem
9h 38m
1 stop
SEA12:51 pmSeattle/Tacoma Intl
$502
Find similar
American Airlines
Oct 29
SEA12:34 amSeattle/Tacoma Intl
10h 39m
2 stops
ABE2:13 pmAllentown-Bethlehem
Nov 1
ABE5:53 pmAllentown-Bethlehem
8h 03m
1 stop
SEA10:56 pmSeattle/Tacoma Intl
$660
Find similar
American Airlines
Oct 29
SEA12:34 amSeattle/Tacoma Intl
10h 39m
2 stops
ABE2:13 pmAllentown-Bethlehem
Nov 1
ABE6:13 amAllentown-Bethlehem
9h 38m
1 stop
SEA12:51 pmSeattle/Tacoma Intl
$676
Find similar

Delta flights from Seattle to Allentown

Our best Delta deals on Seattle 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
$348
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
$477
Find similar
Delta
Mar 10
SEA6:00 amSeattle/Tacoma Intl
8h 13m
1 stop
ABE5:13 pmAllentown-Bethlehem
Mar 11
ABE6:30 amAllentown-Bethlehem
11h 24m
1 stop
SEA2:54 pmSeattle/Tacoma Intl
$497
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle 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 octubre 9, 2025.
Use the filters below to find and compare flights from Seattle to Allentown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleAllentown

SEA - ABE

SEAABE

Seattle/Tacoma Intl

mar. 3/10

6:00 am-5:13 pm

1 stop8h 13m

Allentown-Bethlehem

mié. 3/11

5:40 pm-12:16 am

1 stop9h 36m

$348

SeattleAllentown

SEA - ABE

SEAABE

Seattle/Tacoma Intl

jue. 10/30

11:59 pm-11:48 am

1 stop8h 49m

Allentown-Bethlehem

sáb. 11/1

6:32 am-11:45 am

1 stop8h 13m

$377

SeattleAllentown

SEA - ABE

SEAABE

Seattle/Tacoma Intl

jue. 10/30

11:59 pm-11:48 am

1 stop8h 49m

Allentown-Bethlehem

sáb. 11/1

1:00 pm-12:59 am

2 stops14h 59m

$382

SeattleAllentown

SEA - ABE

SEAABE

Seattle/Tacoma Intl

jue. 10/30

11:59 pm-11:48 am

1 stop8h 49m

Allentown-Bethlehem

sáb. 11/1

5:22 pm-10:28 pm

1 stop8h 06m

$409

SeattleAllentown

SEA - ABE

SEAABE

Seattle/Tacoma Intl

jue. 10/30

11:59 pm-11:48 am

1 stop8h 49m

Allentown-Bethlehem

sáb. 11/1

1:00 pm-12:59 am

2 stops14h 59m

$414

SeattleAllentown

SEA - ABE

SEAABE

Seattle/Tacoma Intl

mié. 10/22

11:40 pm-10:38 am

1 stop7h 58m

Allentown-Bethlehem

mié. 10/29

6:32 am-11:43 am

1 stop8h 11m

$423

SeattleAllentown

SEA - ABE

SEAABE

Seattle/Tacoma Intl

mié. 10/22

7:37 pm-10:38 am

2 stops12h 01m

Allentown-Bethlehem

mié. 10/29

6:32 am-11:43 am

1 stop8h 11m

$428

SeattleAllentown

SEA - ABE

SEAABE

Seattle/Tacoma Intl

mar. 3/10

6:00 am-5:13 pm

1 stop8h 13m

Allentown-Bethlehem

mié. 3/11

5:40 pm-12:16 am

1 stop9h 36m

$477

SeattleAllentown

SEA - ABE

SEAABE

Seattle/Tacoma Intl

jue. 10/30

7:44 am-9:40 pm

2 stops10h 56m

Allentown-Bethlehem

sáb. 11/1

6:13 am-12:51 pm

1 stop9h 38m

$502

SeattleAllentown

SEA - ABE

SEAABE

Seattle/Tacoma Intl

mié. 10/29

12:34 am-2:13 pm

2 stops10h 39m

Allentown-Bethlehem

sáb. 11/1

5:53 pm-10:56 pm

1 stop8h 03m

$660

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 Seattle 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 Seattle 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 Seattle 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 Seattle to Allentown flights?

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

When to book flights from Seattle to Allentown

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Allentown according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Allentown (SEA to ABE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Allentown

Direct flights

None
There are no direct flights from Seattle to Allentown. There are no popular flight routes from Seattle to Allentown.
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  • How far is Seattle/Tacoma Intl to Allentown-Bethlehem by plane?

    The distance between Seattle/Tacoma Intl and Allentown-Bethlehem is about 2336.4 mi. Flights usually cover this in 7h 30m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Allentown-Bethlehem Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Allentown-Bethlehem Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Allentown-Bethlehem Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Allentown-Bethlehem Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport 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.

  • What is the most popular airline from Seattle to Allentown?

Best airlines flying from Seattle to Allentown

Compare and see reviews for airlines that fly from Seattle to Allentown with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $297Free CancellationRating
7.9
7,969 reviews
Search Delta flights
American AirlinesPriceFrom $342Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
United AirlinesPriceFrom $383Free CancellationRating
7.4
8,968 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 Seattle to Allentown?

It is quick and easy to find Seattle to Allentown flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Allentown that suits you.

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

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

How can momondo help me find flights from Seattle 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 Seattle.

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

If you are not ready to book a flight from Seattle 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.

An easier way to manage your Allentown trip

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1 adult
sáb. 11/8
sáb. 11/15
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