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$250+ Cheap flights from Allentown to Seattle (ABE - SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SEA
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Allentown to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 3, 2025.

Round-trip from

$398
(Trip.com)

One-way from

$250
(Trip.com)

Popular in

July

Cheapest in

March

Average price

$778
From Allentown-Bethlehem to Seattle/Tacoma Intl
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One-way flight from Allentown-Bethlehem to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 18% potential increase in price ($116 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Allentown to Seattle

Cheapest flights from Allentown to Seattle
Explore the most affordable flight options available from Allentown to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/11:00 pmABE - SEA
1 stop9h 00mDelta
Tue 11/46:00 amSEA - ABE
1 stop8h 14mDelta
Deal found 7/1$333
This Trip.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/37:00 amABE - SEA
1 stop20h 34mMultiple Airlines
Sat 8/96:25 amSEA - ABE
1 stop29h 56mMultiple Airlines
Deal found 7/2$398
This American Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:13 amABE - SEA
1 stop9h 17mAmerican Airlines
Tue 11/41:59 pmSEA - ABE
1 stop7h 22mAmerican Airlines
Deal found 6/30$409
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/16:32 amABE - SEA
2 stops10h 22mUnited Airlines
Tue 11/45:05 amSEA - ABE
2 stops13h 36mUnited Airlines
Deal found 7/1$546

Cheapflights Fare Finder

Customize your flight search to find flights from Allentown to Seattle 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, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from Allentown to Seattle that are best for you.

Fly from

Allentown

Fly to

Seattle

Route

Depart

Return

Price

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Sat 11/1

1:00 pm-7:00 pm

1 stop9h 00m

Seattle/Tacoma Intl

Tue 11/4

6:00 am-5:14 pm

1 stop8h 14m

$333

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Sun 8/3

7:00 am-12:34 am

1 stop20h 34m

Seattle/Tacoma Intl

Sat 8/9

6:25 am-3:21 pm

1 stop29h 56m

$398

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Sat 11/1

6:13 am-12:30 pm

1 stop9h 17m

Seattle/Tacoma Intl

Tue 11/4

1:59 pm-12:21 am

1 stop7h 22m

$409

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Sat 11/1

6:32 am-1:54 pm

2 stops10h 22m

Seattle/Tacoma Intl

Tue 11/4

5:05 am-9:41 pm

2 stops13h 36m

$546

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Thu 7/24

7:00 am-12:34 am

1 stop20h 34m

$250

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Sun 8/3

6:14 pm-11:55 pm

1 stop8h 41m

$310

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Tue 7/15

6:30 am-5:49 pm

2 stops14h 19m

$374

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Sun 8/3

6:15 am-12:20 pm

1 stop9h 05m

$390

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Best time to book a flight from Allentown to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Allentown with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Allentown to Seattle

What is the cheapest month to book a flight from Allentown to Seattle?

Currently, January is the cheapest month in which you can book a flight from Allentown to Seattle (average of $238). Flying from Allentown to Seattle in July is currently the most expensive (average of $390). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ABE to SEA?

Find hourly flight availability from Allentown to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

It’s typically best to fly out from Allentown to Seattle in the afternoon. Doing so could potentially save you 27% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated July 3, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Allentown to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Allentown to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Allentown to Seattle round-trip?

    Cheapflights users have booked flights from Allentown to Seattle round-trip from $464. Other airlines that can offer you cheap pricing are American Airlines, from $537, and United Airlines, from $661. These flights start at 9% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Allentown to Seattle one-way?

    $310 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $374 and $390, respectively.

  • Can I find deals for flights from Allentown to Seattle that include hotel bookings?

    Yes. In addition to deals on Allentown to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Allentown to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Allentown to Seattle.

  • Can I find deals for business class flights from Allentown to Seattle?

    Yes. Cheapflights offers flight deals from Allentown to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Allentown to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Allentown to Seattle (average of $238). Flying from Allentown to Seattle in July is currently the most expensive (average of $390). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Allentown?

Book flights to Allentown if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Lynnwood
Renton
Olympia
Shoreline
Puyallup
Cle Elum
Centralia
Kent
Federal Way
Chehalis
Kirkland
Aberdeen
Shelton

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Alternative routes for Allentown to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Allentown to Seattle

Discover the top 3 airlines that operate flights from Allentown to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$293Average$612FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$308Average$471FlexibilityNo cancel feeOn-time71%
DeltaCheapest$386Average$563FlexibilityNo cancel feeOn-timeN/A

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