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Cheap flights from Allentown to Seattle from $230

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Allentown to Seattle departing on 6/22. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Allentown to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:50 pm - 10:06 am
ABE
-
SEA
22h 16m
1 stop
Multiple Airlines Logo
7:50 pm - 3:49 pm
SEA
-
ABE
16h 59m
1 stop
$269Multiple Airlines
Mon, Jun 1 - Thu, Jun 4
Multiple Airlines Logo
2:50 pm - 10:06 am
ABE
-
SEA
22h 16m
1 stop
Multiple Airlines Logo
8:20 pm - 3:49 pm
SEA
-
ABE
16h 29m
2 stops
$320Multiple Airlines
Mon, Jun 1 - Thu, Jun 4
American Airlines Logo
5:18 pm - 11:35 pm
ABE
-
SEA
9h 17m
1 stop
American Airlines Logo
5:10 am - 6:32 pm
SEA
-
ABE
10h 22m
1 stop
$377American Airlines
Tue, Jul 7 - Wed, Jul 15
United Airlines Logo
5:36 pm - 10:42 pm
ABE
-
SEA
8h 06m
1 stop
United Airlines Logo
7:35 pm - 10:06 am
SEA
-
ABE
11h 31m
2 stops
$392United Airlines
Mon, Aug 24 - Mon, Aug 31
Multiple Airlines Logo
2:50 pm - 10:06 am
ABE
-
SEA
22h 16m
1 stop
Multiple Airlines Logo
7:50 pm - 11:04 pm
SEA
-
ABE
24h 14m
1 stop
$395Multiple Airlines
Mon, May 25 - Thu, May 28
Multiple Airlines Logo
8:00 am - 6:35 pm
ABE
-
SEA
37h 35m
2 stops
Multiple Airlines Logo
7:50 pm - 3:49 pm
SEA
-
ABE
16h 59m
1 stop
$408Multiple Airlines
Thu, May 28 - Thu, Jun 4
Multiple Airlines Logo
2:50 pm - 7:05 pm
ABE
-
SEA
31h 15m
2 stops
Multiple Airlines Logo
7:50 pm - 3:49 pm
SEA
-
ABE
16h 59m
1 stop
$412Multiple Airlines
Fri, May 29 - Thu, Jun 4
Multiple Airlines Logo
8:00 am - 2:01 pm
ABE
-
SEA
33h 01m
2 stops
Multiple Airlines Logo
7:50 pm - 3:49 pm
SEA
-
ABE
16h 59m
1 stop
$417Multiple Airlines
Sun, May 31 - Thu, Jun 4
Multiple Airlines Logo
8:00 am - 6:35 pm
ABE
-
SEA
37h 35m
2 stops
Multiple Airlines Logo
7:50 pm - 3:49 pm
SEA
-
ABE
16h 59m
1 stop
$418Multiple Airlines
Thu, May 28 - Thu, Jun 4
Multiple Airlines Logo
2:50 pm - 7:05 pm
ABE
-
SEA
31h 15m
2 stops
Multiple Airlines Logo
7:50 pm - 3:49 pm
SEA
-
ABE
16h 59m
1 stop
$421Multiple Airlines
Fri, May 29 - Thu, Jun 4

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American Airlines flights from Allentown to Seattle

Our best American Airlines deals on Allentown to Seattle flight tickets
American Airlines
Jul 7
ABE5:18 pmAllentown-Bethlehem
9h 17m
1 stop
SEA11:35 pmSeattle/Tacoma Intl
Jul 15
SEA5:10 amSeattle/Tacoma Intl
10h 22m
1 stop
ABE6:32 pmAllentown-Bethlehem
$377
American Airlines
Aug 19
ABE5:11 pmAllentown-Bethlehem
9h 39m
1 stop
SEA11:50 pmSeattle/Tacoma Intl
Aug 26
SEA5:10 amSeattle/Tacoma Intl
8h 17m
1 stop
ABE4:27 pmAllentown-Bethlehem
$459
American Airlines
May 8
ABE12:00 pmAllentown-Bethlehem
12h 22m
2 stops
SEA9:22 pmSeattle/Tacoma Intl
May 12
SEA10:29 pmSeattle/Tacoma Intl
9h 58m
1 stop
ABE11:27 amAllentown-Bethlehem
$463

United Airlines flights from Allentown to Seattle

Our best United Airlines deals on Allentown to Seattle flight tickets
United Airlines
Aug 24
ABE5:36 pmAllentown-Bethlehem
8h 06m
1 stop
SEA10:42 pmSeattle/Tacoma Intl
Aug 31
SEA7:35 pmSeattle/Tacoma Intl
11h 31m
2 stops
ABE10:06 amAllentown-Bethlehem
$392
United Airlines
May 23
ABE2:23 pmAllentown-Bethlehem
13h 50m
2 stops
SEA1:13 amSeattle/Tacoma Intl
May 26
SEA10:40 pmSeattle/Tacoma Intl
8h 23m
1 stop
ABE10:03 amAllentown-Bethlehem
$424
United Airlines
May 23
ABE2:23 pmAllentown-Bethlehem
13h 50m
2 stops
SEA1:13 amSeattle/Tacoma Intl
May 26
SEA10:40 pmSeattle/Tacoma Intl
8h 23m
1 stop
ABE10:03 amAllentown-Bethlehem
$425

momondo 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, momondo users made 832,500 searches. Data last updated April 28, 2026.
Use the filters below to find and compare flights from Allentown to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Mon 6/1

2:50 pm-10:06 am

1 stop22h 16m

Seattle/Tacoma Intl

Thu 6/4

7:50 pm-3:49 pm

1 stop16h 59m

$269

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Mon 6/1

2:50 pm-10:06 am

1 stop22h 16m

Seattle/Tacoma Intl

Thu 6/4

8:20 pm-3:49 pm

2 stops16h 29m

$320

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Tue 7/7

5:18 pm-11:35 pm

1 stop9h 17m

Seattle/Tacoma Intl

Wed 7/15

5:10 am-6:32 pm

1 stop10h 22m

$377
Quickest round-trip

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Mon 8/24

5:36 pm-10:42 pm

1 stop8h 06m

Seattle/Tacoma Intl

Mon 8/31

7:35 pm-10:06 am

2 stops11h 31m

$392

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Mon 5/25

2:50 pm-10:06 am

1 stop22h 16m

Seattle/Tacoma Intl

Thu 5/28

7:50 pm-11:04 pm

1 stop24h 14m

$395

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Thu 5/28

8:00 am-6:35 pm

2 stops37h 35m

Seattle/Tacoma Intl

Thu 6/4

7:50 pm-3:49 pm

1 stop16h 59m

$408

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Fri 5/29

2:50 pm-7:05 pm

2 stops31h 15m

Seattle/Tacoma Intl

Thu 6/4

7:50 pm-3:49 pm

1 stop16h 59m

$412

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Sun 5/31

8:00 am-2:01 pm

2 stops33h 01m

Seattle/Tacoma Intl

Thu 6/4

7:50 pm-3:49 pm

1 stop16h 59m

$417

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Thu 5/28

8:00 am-6:35 pm

2 stops37h 35m

Seattle/Tacoma Intl

Thu 6/4

7:50 pm-3:49 pm

1 stop16h 59m

$418

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Fri 5/29

2:50 pm-7:05 pm

2 stops31h 15m

Seattle/Tacoma Intl

Thu 6/4

7:50 pm-3:49 pm

1 stop16h 59m

$421

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 Seattle from

How to get the cheapest flight ticket from Allentown to Seattle

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 typical price of a round-trip flight between Allentown and Seattle?

What is the cheapest month to fly to Seattle?

In general, March is the cheapest month to fly from Allentown to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $276. If you don’t want to visit Seattle in March, then you should wait until October to fly from Allentown, when ticket prices are also cheap, with an average price of $294.

When to book flights from Allentown to Seattle

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

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

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

Fastest flight time

7h 45m

Direct flights

None
The fastest flight from Allentown to Seattle takes 7h 45m
There are no direct flights from Allentown to Seattle. There are no popular flight routes from Allentown to Seattle.
Search flight deals

Frequently asked questions about flying from Allentown to Seattle

  • How far is Allentown-Bethlehem to Seattle/Tacoma Intl by plane?

    The straight-line distance from Allentown-Bethlehem to Seattle/Tacoma Intl is 2336.4 mi. 7h 45m is a normal flight duration for this route.

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

    Prices for flights from Allentown-Bethlehem Airport to Seattle/Tacoma Intl Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Allentown-Bethlehem Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Allentown to Seattle

Compare and see reviews for airlines that fly from Allentown to Seattle with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $276Free CancellationRating
7.1
11,677 reviews
Search American Airlines flights
United AirlinesPriceFrom $284Free CancellationRating
7.4
9,672 reviews
Search United Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Redmond
Kent
Marysville
Puyallup
Tukwila
Lakewood
Cle Elum
Federal Way
Centralia
Fife
Shoreline
Westport
Tumwater

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Allentown to Seattle. momondo saves you time and could save you money on your trip.

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

All flight searches from Allentown to Seattle on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Allentown to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Allentown and alert you when they change.

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