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Cheap flights from Allentown to Seattle from $204

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 7/8. 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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Find the cheapest flights from Allentown to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:23 pm - 10:43 pm
ABE
-
SEA
8h 20m
1 stop
United Airlines Logo
11:59 pm - 9:56 am
SEA
-
ABE
6h 57m
1 stop
$329United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
10:31 am - 11:28 pm
ABE
-
SEA
15h 57m
2 stops
United Airlines Logo
11:59 pm - 9:56 am
SEA
-
ABE
6h 57m
1 stop
$337United Airlines
Wed, Mar 18 - Sun, Mar 22
United Airlines Logo
6:28 am - 11:49 am
ABE
-
SEA
8h 21m
1 stop
United Airlines Logo
11:59 pm - 10:01 am
SEA
-
ABE
7h 02m
1 stop
$389United Airlines
Thu, Feb 12 - Sun, Feb 15
United Airlines Logo
5:23 pm - 10:43 pm
ABE
-
SEA
8h 20m
1 stop
United Airlines Logo
7:34 pm - 9:56 am
SEA
-
ABE
11h 22m
2 stops
$399United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
6:28 am - 11:49 am
ABE
-
SEA
8h 21m
1 stop
United Airlines Logo
7:29 pm - 10:01 am
SEA
-
ABE
11h 32m
2 stops
$409United Airlines
Thu, Feb 12 - Sun, Feb 15
American Airlines Logo
12:57 pm - 8:22 pm
ABE
-
SEA
10h 25m
1 stop
American Airlines Logo
12:28 pm - 11:28 pm
SEA
-
ABE
8h 00m
1 stop
$417American Airlines
Tue, May 5 - Tue, May 12
Delta Logo
6:28 am - 2:18 pm
ABE
-
SEA
10h 50m
1 stop
Delta Logo
6:15 am - 5:12 pm
SEA
-
ABE
7h 57m
1 stop
$424Delta
Wed, Feb 11 - Sat, Feb 28
United Airlines Logo
6:15 am - 7:44 pm
ABE
-
SEA
16h 29m
2 stops
United Airlines Logo
11:48 pm - 9:58 am
SEA
-
ABE
7h 10m
1 stop
$437United Airlines
Tue, May 5 - Tue, May 12
United Airlines Logo
6:15 am - 7:44 pm
ABE
-
SEA
16h 29m
2 stops
United Airlines Logo
7:36 pm - 9:58 am
SEA
-
ABE
11h 22m
2 stops
$442United Airlines
Tue, May 5 - Tue, May 12
United Airlines Logo
6:15 am - 3:44 pm
ABE
-
SEA
12h 29m
2 stops
United Airlines Logo
11:59 pm - 10:01 am
SEA
-
ABE
7h 02m
1 stop
$464United Airlines
Wed, Feb 11 - Sat, Feb 28

American Airlines flights from Allentown to Seattle

Our best American Airlines deals on Allentown to Seattle flight tickets
American Airlines
May 5
ABE12:57 pmAllentown-Bethlehem
10h 25m
1 stop
SEA8:22 pmSeattle/Tacoma Intl
May 12
SEA12:28 pmSeattle/Tacoma Intl
8h 00m
1 stop
ABE11:28 pmAllentown-Bethlehem
$417
American Airlines
Jul 14
ABE5:18 pmAllentown-Bethlehem
9h 21m
1 stop
SEA11:39 pmSeattle/Tacoma Intl
Jul 21
SEA10:27 amSeattle/Tacoma Intl
8h 48m
1 stop
ABE10:15 pmAllentown-Bethlehem
$467
American Airlines
Jul 14
ABE5:18 pmAllentown-Bethlehem
9h 21m
1 stop
SEA11:39 pmSeattle/Tacoma Intl
Jul 22
SEA5:15 amSeattle/Tacoma Intl
10h 25m
1 stop
ABE6:40 pmAllentown-Bethlehem
$497

United Airlines flights from Allentown to Seattle

Our best United Airlines deals on Allentown to Seattle flight tickets
United Airlines
Mar 4
ABE5:23 pmAllentown-Bethlehem
8h 20m
1 stop
SEA10:43 pmSeattle/Tacoma Intl
Mar 8
SEA11:59 pmSeattle/Tacoma Intl
6h 57m
1 stop
ABE9:56 amAllentown-Bethlehem
$329
United Airlines
Mar 18
ABE10:31 amAllentown-Bethlehem
15h 57m
2 stops
SEA11:28 pmSeattle/Tacoma Intl
Mar 22
SEA11:59 pmSeattle/Tacoma Intl
6h 57m
1 stop
ABE9:56 amAllentown-Bethlehem
$337
United Airlines
Feb 12
ABE6:28 amAllentown-Bethlehem
8h 21m
1 stop
SEA11:49 amSeattle/Tacoma Intl
Feb 15
SEA11:59 pmSeattle/Tacoma Intl
7h 02m
1 stop
ABE10:01 amAllentown-Bethlehem
$389

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 January 29, 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

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Wed 3/4

5:23 pm-10:43 pm

1 stop8h 20m

Seattle/Tacoma Intl

Sun 3/8

11:59 pm-9:56 am

1 stop6h 57m

$329

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Wed 3/18

10:31 am-11:28 pm

2 stops15h 57m

Seattle/Tacoma Intl

Sun 3/22

11:59 pm-9:56 am

1 stop6h 57m

$337

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Thu 2/12

6:28 am-11:49 am

1 stop8h 21m

Seattle/Tacoma Intl

Sun 2/15

11:59 pm-10:01 am

1 stop7h 02m

$389

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Wed 3/4

5:23 pm-10:43 pm

1 stop8h 20m

Seattle/Tacoma Intl

Sun 3/8

7:34 pm-9:56 am

2 stops11h 22m

$399

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Thu 2/12

6:28 am-11:49 am

1 stop8h 21m

Seattle/Tacoma Intl

Sun 2/15

7:29 pm-10:01 am

2 stops11h 32m

$409

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Tue 5/5

12:57 pm-8:22 pm

1 stop10h 25m

Seattle/Tacoma Intl

Tue 5/12

12:28 pm-11:28 pm

1 stop8h 00m

$417

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Wed 2/11

6:28 am-2:18 pm

1 stop10h 50m

Seattle/Tacoma Intl

Sat 2/28

6:15 am-5:12 pm

1 stop7h 57m

$424

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Tue 5/5

6:15 am-7:44 pm

2 stops16h 29m

Seattle/Tacoma Intl

Tue 5/12

11:48 pm-9:58 am

1 stop7h 10m

$437

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Tue 5/5

6:15 am-7:44 pm

2 stops16h 29m

Seattle/Tacoma Intl

Tue 5/12

7:36 pm-9:58 am

2 stops11h 22m

$442

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Wed 2/11

6:15 am-3:44 pm

2 stops12h 29m

Seattle/Tacoma Intl

Sat 2/28

11:59 pm-10:01 am

1 stop7h 02m

$464

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 cheapest month to fly to Seattle?

In general, October 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 $294. If you don’t want to visit Seattle in October, then you should wait until March to fly from Allentown, when ticket prices are also cheap, with an average price of $388.

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 59m

Direct flights

None
The fastest flight from Allentown to Seattle takes 7h 59m
There are no direct flights from Allentown to Seattle. There are no popular flight routes from Allentown to Seattle.
Search flight deals

  • 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 59m 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 $289Free CancellationRating
7.2
11,205 reviews
Search American Airlines flights
United AirlinesPriceFrom $293Free CancellationRating
7.4
9,215 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
Kent
Marysville
Puyallup
Redmond
Cle Elum
Tukwila
Lakewood
Federal Way
Centralia
Westport
Kirkland
Fife
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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