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$201+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SEA
mar. 30 — abr. 61
dom. 3/30
dom. 4/6
1 adult, Economy
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Cheapflights Tip: The best prices from Allentown-Bethlehem to Seattle/Tacoma Intl are usually found in March or February, booked 26 days in advance, depart on a Wednesday or Tuesday and return on a Sunday

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 marzo 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$417
(Delta)

One-way from

$201
(Mytrip)

Popular in

May

Cheapest in

March

Average price

$388
Provider with most accurate pricing for Allentown-Bethlehem-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Allentown-Bethlehem-Seattle/Tacoma Intl flights.
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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. 19% potential increase in price ($138 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in March 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 marzo 25, 2025.

This Delta deal was found by Cheapflights users on 3/24. 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.
mar. 6/31:12 pmABE - SEA
1 stop8h 35mDelta
mar. 6/1011:40 pmSEA - ABE
1 stop9h 26mDelta
Deal found 3/24$417
This United Airlines deal was found by Cheapflights users on 3/24. 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.
sáb. 9/66:44 amABE - SEA
2 stops12h 40mUnited Airlines
sáb. 9/137:00 amSEA - ABE
1 stop7h 01mUnited Airlines
Deal found 3/24$422
This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/87:30 amABE - SEA
2 stops33h 55mMultiple Airlines
jue. 5/157:10 pmSEA - ABE
2 stops25h 13mMultiple Airlines
Deal found 3/24$424
This American Airlines deal was found by Cheapflights users on 3/23. 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.
jue. 8/75:50 pmABE - SEA
1 stop8h 01mAmerican Airlines
vie. 8/1511:58 pmSEA - ABE
1 stop8h 07mAmerican Airlines
Deal found 3/23$477

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 marzo 25, 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

mar. 6/3

1:12 pm-6:47 pm

1 stop8h 35m

Seattle/Tacoma Intl

mar. 6/10

11:40 pm-12:06 pm

1 stop9h 26m

$417

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

sáb. 9/6

6:44 am-4:24 pm

2 stops12h 40m

Seattle/Tacoma Intl

sáb. 9/13

7:00 am-5:01 pm

1 stop7h 01m

$422

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

jue. 5/8

7:30 am-2:25 pm

2 stops33h 55m

Seattle/Tacoma Intl

jue. 5/15

7:10 pm-11:23 pm

2 stops25h 13m

$424

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

jue. 8/7

5:50 pm-10:51 pm

1 stop8h 01m

Seattle/Tacoma Intl

vie. 8/15

11:58 pm-11:05 am

1 stop8h 07m

$477

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

lun. 5/12

6:00 am-12:10 am

3 stops45h 10m

$201

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

vie. 9/19

5:47 pm-10:50 pm

1 stop8h 03m

$209

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

jue. 4/10

6:30 am-11:48 am

1 stop8h 18m

$369

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

lun. 4/14

6:10 am-4:10 pm

2 stops13h 00m

$386

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Compare providers for flights from Allentown to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Allentown to Seattle in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Allentown-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Allentown-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Allentown-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Allentown-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Allentown-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

How far ahead should I book a flight from Allentown to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Allentown to Seattle. Price data was last updated on March 21, 2025.

To ensure you get the cheapest price possible for a flight from Allentown to Seattle, you should look to book at least 26 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $411). 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 marzo 25, 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.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 marzo 25, 2025.
Delta
8.0
Very good
7,890 reviews

Entertainment

7.9

Crew

8.5

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,890 reviews
Delta
8.0
Very good
7,890 reviews

Entertainment

7.9

Crew

8.5

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,605 reviews
Delta
8.0
Very good
7,890 reviews

Entertainment

7.9

Crew

8.5

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,890 reviews

Entertainment

7.9

Crew

8.5

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 $417. Other airlines that can offer you cheap pricing are United Airlines, from $422, and American Airlines, from $477. These flights start at 25% lower than the current average price 3 months from now.

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

    $209 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $369 and $386, 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 $411). 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
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

Browse thousands of different options on Cheapflights for your next trip

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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 marzo 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$293Average$681FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$308Average$545FlexibilityNo cancel feeOn-time71%
DeltaCheapest$386Average$638FlexibilityNo cancel feeOn-timeN/A
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