SEA - ABE

$215 Find Cheap Flights from Seattle to Allentown - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$399
Typical prices: $496-$796
Delta
Sat 10/20Sat 10/27
SEA - ABE • 1 stop
Cheapest one-way
$215
Typical prices: $258-$528
Delta
Wed 10/31
SEA - ABE • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Seattle and Allentown. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
December
Cheapest • 34% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Philadelphia (PHL)
Cheapest • Avg $481 (round-trip)
Chicago O'Hare Intl (ORD)
Shortest trip • 8h 09m (one-way)
Insights
Insights
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Booking Insights
Flight Deals

Cheap Flights from Seattle to Allentown (SEA-ABE)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Allentown

Tue, Oct 20 - Tue, Oct 27
Delta Logo
10:35 pm - 12:05 pmSEA  Seattle/Tacoma Intl-ABE Allentown-Bethlehem
10h 30m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:03 pm - 11:52 pmABE  Allentown-Bethlehem-SEA Seattle/Tacoma Intl
8h 49m1 stop Atlanta Hartsfield-Jackson
$399Delta
Tue, Feb 2 - Wed, Feb 10
Delta Logo
6:00 am - 5:12 pmSEA  Seattle/Tacoma Intl-ABE Allentown-Bethlehem
8h 12m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:40 pm - 12:09 amABE  Allentown-Bethlehem-SEA Seattle/Tacoma Intl
9h 29m1 stop Atlanta Hartsfield-Jackson
$399Delta
Sun, Nov 1 - Wed, Nov 11
Delta Logo
6:00 am - 5:16 pmSEA  Seattle/Tacoma Intl-ABE Allentown-Bethlehem
8h 16m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 pm - 11:57 pmABE  Allentown-Bethlehem-SEA Seattle/Tacoma Intl
8h 57m1 stop Atlanta Hartsfield-Jackson
$399Delta
Tue, Oct 20 - Tue, Oct 27
United Airlines Logo
7:25 pm - 9:35 amSEA  Seattle/Tacoma Intl-ABE Allentown-Bethlehem
11h 10m2 stops San Francisco Chicago O'Hare Intl
United Airlines Logo
5:36 pm - 11:59 pmABE  Allentown-Bethlehem-SEA Seattle/Tacoma Intl
9h 23m1 stop Chicago O'Hare Intl
$404United Airlines
Wed, Oct 28 - Mon, Nov 2
American Airlines Logo
6:12 am - 6:17 pmSEA  Seattle/Tacoma Intl-ABE Allentown-Bethlehem
9h 05m1 stop Chicago O'Hare Intl
American Airlines Logo
6:15 pm - 12:35 amABE  Allentown-Bethlehem-SEA Seattle/Tacoma Intl
9h 20m1 stop Chicago O'Hare Intl
$428American Airlines
Sun, Nov 1 - Wed, Nov 11
American Airlines Logo
10:43 am - 10:59 pmSEA  Seattle/Tacoma Intl-ABE Allentown-Bethlehem
9h 16m1 stop Chicago O'Hare Intl
American Airlines Logo
6:15 pm - 12:35 amABE  Allentown-Bethlehem-SEA Seattle/Tacoma Intl
9h 20m1 stop Chicago O'Hare Intl
$428American Airlines
Tue, Oct 20 - Tue, Oct 27
United Airlines Logo
7:25 pm - 9:35 amSEA  Seattle/Tacoma Intl-ABE Allentown-Bethlehem
11h 10m2 stops San Francisco Chicago O'Hare Intl
United Airlines Logo
6:15 am - 5:57 pmABE  Allentown-Bethlehem-SEA Seattle/Tacoma Intl
14h 42m2 stops Chicago O'Hare Intl Denver Intl
$433United Airlines
Thu, Nov 12 - Mon, Nov 16
American Airlines Logo
10:43 am - 10:59 pmSEA  Seattle/Tacoma Intl-ABE Allentown-Bethlehem
9h 16m1 stop Chicago O'Hare Intl
American Airlines Logo
6:15 pm - 12:35 amABE  Allentown-Bethlehem-SEA Seattle/Tacoma Intl
9h 20m1 stop Chicago O'Hare Intl
$437American Airlines
Thu, Oct 1 - Wed, Oct 14
Delta Logo
6:00 am - 5:19 pmSEA  Seattle/Tacoma Intl-ABE Allentown-Bethlehem
8h 19m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:03 pm - 11:52 pmABE  Allentown-Bethlehem-SEA Seattle/Tacoma Intl
8h 49m1 stop Atlanta Hartsfield-Jackson
$439Delta
Tue, Feb 2 - Sat, Feb 6
United Airlines Logo
10:54 am - 8:55 pmSEA  Seattle/Tacoma Intl-ABE Allentown-Bethlehem
7h 01m1 stop Chicago O'Hare Intl
United Airlines Logo
6:10 am - 11:30 amABE  Allentown-Bethlehem-SEA Seattle/Tacoma Intl
8h 20m1 stop Chicago O'Hare Intl
$509United Airlines
Booking Insights

Price, demand and travel trends for Seattle to Allentown flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Seattle to Allentown with more confidence.

How much is a round-trip flight from Seattle to Allentown?

Round-trip flights from Seattle to Allentown start at $399. Prices are below average for this route right now, with typical round-trip fares ranging from $496 to $796. The lowest price found in the past 5 days was $399 on Delta.

What's the cheapest day of the week to fly from Seattle to Allentown?

Wednesday is the cheapest day of the week to fly from Seattle to Allentown, it is 38% cheaper than the average day. Sunday is the most expensive day with flight prices 47% higher than average. Based on deals found by KAYAK users in the last 12 months.

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Key details for Seattle to Allentown flights

Low season

March

Cheapest flight

$215
Most popular time to fly with an average 8% increase in price.
Flight from Seattle to Allentown

When to book flights from Seattle to Allentown

Are your dates flexible? Find out the best times to travel from Seattle to Allentown based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Allentown flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Seattle to Allentown?

    Flights from Seattle to Allentown usually depart from Seattle/Tacoma Intl (SEA) and arrive at Allentown-Bethlehem (ABE).

  • What cabin classes can I book on flights from Seattle to Allentown?

    Only Economy Class is available on flights from Seattle to Allentown.

  • Which airports do connecting flights from Seattle to Allentown pass through?

    One-stop flights from Seattle to Allentown most commonly connect through:

    • Chicago O'Hare Intl (ORD) - 74% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 12% of one-stop connections
    • Philadelphia (PHL) - 10% of one-stop connections
    • Charlotte Douglas (CLT) - 3% of one-stop connections

    Chicago O'Hare Intl (ORD) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Seattle to Allentown?

    Yes. Being flexible with your travel dates can save you up to 58% on the Seattle to Allentown route. Wednesday is the cheapest departure day at $372 round-trip on average, while Sunday is the most expensive at $876, a difference of $504. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How long is a flight from Seattle to Allentown?

    A nonstop flight from Seattle to Allentown takes 0h 00m, covering 2,336 miles.

  • Do I need a passport to fly from Seattle to Allentown?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Seattle to Allentown changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $399 to $1,870. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from Seattle to Allentown looking right now?

    One-way fares from Seattle to Allentown are currently higher than usual. Average one-way flight prices are about $540, which is 73% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Seattle to Allentown?

    Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 8h 09m, compared with 8h 27m via Philadelphia (PHL) and 8h 32m via Atlanta Hartsfield-Jackson (ATL).

  • What is the time difference between Seattle and Allentown?

    Allentown is 3 hours ahead of Seattle (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Allentown-Bethlehem Airport (ABE)?

    Allentown-Bethlehem Airport (ABE) hosts 5 major car rental companies, with daily rates starting from around $25 for economy cars. Top options include:
    • Alamo
    • Dollar
    • Budget
    • Hertz
    • Thrifty

  • How much should I expect to pay for a Seattle to Allentown flight?

    Round-trip flights from Seattle to Allentown range from $496 to $796, with an average of $594 over the past 12 months. Anything below $496 counts as a good deal.

Your guide to booking Seattle to Allentown flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average $372 - about $504 less than Sunday (58% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Seattle to Allentown trip for December. Fares historically average $394 round-trip in that month - typically $495 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Allentown-Bethlehem Airport.
    - Days Hotel by Wyndham Allentown Airport / Lehigh Valley
    - Staybridge Suites Allentown Bethlehem Airport By IHG
    - Super 8 by Wyndham Allentown

More options for your flight from Seattle to Allentown

Complete your trip to Allentown with a hotel stay or car rental

Car rentals in Allentown
Hotels in Allentown
Vacations in Allentown