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Cheap flights from Allentown to Seattle from $119

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 8/24. 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
1 adult, Economy, 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
7:00 am - 9:19 am
ABE
-
SEA
29h 19m
1 stop
Multiple Airlines Logo
7:06 pm - 9:07 pm
SEA
-
ABE
23h 01m
2 stops
$269Multiple Airlines
Mon, Aug 24 - Wed, Aug 26
Multiple Airlines Logo
7:30 am - 12:27 am
ABE
-
SEA
19h 57m
1 stop
Multiple Airlines Logo
4:27 pm - 3:42 pm
SEA
-
ABE
20h 15m
1 stop
$288Multiple Airlines
Mon, Sep 28 - Thu, Oct 1
Multiple Airlines Logo
7:00 am - 9:19 am
ABE
-
SEA
29h 19m
1 stop
Multiple Airlines Logo
7:06 pm - 3:11 pm
SEA
-
ABE
17h 05m
1 stop
$298Multiple Airlines
Mon, Aug 24 - Thu, Aug 27
Multiple Airlines Logo
7:30 am - 10:00 am
ABE
-
SEA
29h 30m
2 stops
Multiple Airlines Logo
4:27 pm - 3:42 pm
SEA
-
ABE
20h 15m
1 stop
$308Multiple Airlines
Mon, Sep 28 - Thu, Oct 1
American Airlines Logo
5:12 pm - 11:59 pm
ABE
-
SEA
9h 47m
1 stop
American Airlines Logo
6:18 am - 4:40 pm
SEA
-
ABE
7h 22m
1 stop
$358American Airlines
Tue, Sep 8 - Tue, Sep 15
American Airlines Logo
5:12 pm - 11:35 pm
ABE
-
SEA
9h 23m
1 stop
American Airlines Logo
5:10 am - 4:27 pm
SEA
-
ABE
8h 17m
1 stop
$359American Airlines
Thu, Aug 27 - Mon, Aug 31
American Airlines Logo
5:12 pm - 11:59 pm
ABE
-
SEA
9h 47m
1 stop
American Airlines Logo
5:10 am - 4:27 pm
SEA
-
ABE
8h 17m
1 stop
$359American Airlines
Wed, Aug 26 - Mon, Aug 31
United Airlines Logo
5:46 pm - 10:56 pm
ABE
-
SEA
8h 10m
1 stop
United Airlines Logo
11:13 pm - 9:35 am
SEA
-
ABE
7h 22m
1 stop
$364United Airlines
Mon, Oct 5 - Tue, Oct 13
United Airlines Logo
10:32 am - 4:07 pm
ABE
-
SEA
8h 35m
1 stop
United Airlines Logo
5:20 pm - 9:39 am
SEA
-
ABE
13h 19m
2 stops
$364United Airlines
Wed, Sep 9 - Wed, Sep 16
United Airlines Logo
10:32 am - 5:42 pm
ABE
-
SEA
10h 10m
2 stops
United Airlines Logo
7:35 pm - 9:39 am
SEA
-
ABE
11h 04m
2 stops
$369United Airlines
Wed, Sep 9 - Wed, Sep 16

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American Airlines flights from Allentown to Seattle

Our best American Airlines deals on Allentown to Seattle flight tickets
American Airlines
Sep 8
ABE5:12 pmAllentown-Bethlehem
9h 47m
1 stop
SEA11:59 pmSeattle/Tacoma Intl
Sep 15
SEA6:18 amSeattle/Tacoma Intl
7h 22m
1 stop
ABE4:40 pmAllentown-Bethlehem
$358
American Airlines
Aug 27
ABE5:12 pmAllentown-Bethlehem
9h 23m
1 stop
SEA11:35 pmSeattle/Tacoma Intl
Aug 31
SEA5:10 amSeattle/Tacoma Intl
8h 17m
1 stop
ABE4:27 pmAllentown-Bethlehem
$359
American Airlines
Aug 26
ABE5:12 pmAllentown-Bethlehem
9h 47m
1 stop
SEA11:59 pmSeattle/Tacoma Intl
Aug 31
SEA5:50 amSeattle/Tacoma Intl
7h 52m
1 stop
ABE4:42 pmAllentown-Bethlehem
$378

Delta flights from Allentown to Seattle

Our best Delta deals on Allentown to Seattle flight tickets
Delta
Sep 8
ABE6:08 pmAllentown-Bethlehem
8h 50m
1 stop
SEA11:58 pmSeattle/Tacoma Intl
Sep 11
SEA6:00 amSeattle/Tacoma Intl
8h 21m
1 stop
ABE5:21 pmAllentown-Bethlehem
$364
Delta
Aug 27
ABE1:10 pmAllentown-Bethlehem
13h 44m
2 stops
SEA11:54 pmSeattle/Tacoma Intl
Aug 31
SEA6:00 amSeattle/Tacoma Intl
8h 23m
1 stop
ABE5:23 pmAllentown-Bethlehem
$374
Delta
Oct 2
ABE12:56 pmAllentown-Bethlehem
12h 09m
2 stops
SEA10:05 pmSeattle/Tacoma Intl
Oct 5
SEA11:59 pmSeattle/Tacoma Intl
14h 17m
2 stops
ABE5:16 pmAllentown-Bethlehem
$380

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 July 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

Cheapest round-trip

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Mon 8/24

7:00 am-9:19 am

1 stop29h 19m

Seattle/Tacoma Intl

Wed 8/26

7:06 pm-9:07 pm

2 stops23h 01m

$269

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Mon 9/28

7:30 am-12:27 am

1 stop19h 57m

Seattle/Tacoma Intl

Thu 10/1

4:27 pm-3:42 pm

1 stop20h 15m

$288

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Mon 8/24

7:00 am-9:19 am

1 stop29h 19m

Seattle/Tacoma Intl

Thu 8/27

7:06 pm-3:11 pm

1 stop17h 05m

$298

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Mon 9/28

7:30 am-10:00 am

2 stops29h 30m

Seattle/Tacoma Intl

Thu 10/1

4:27 pm-3:42 pm

1 stop20h 15m

$308

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Tue 9/8

5:12 pm-11:59 pm

1 stop9h 47m

Seattle/Tacoma Intl

Tue 9/15

6:18 am-4:40 pm

1 stop7h 22m

$358

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Thu 8/27

5:12 pm-11:35 pm

1 stop9h 23m

Seattle/Tacoma Intl

Mon 8/31

5:10 am-4:27 pm

1 stop8h 17m

$359

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Wed 8/26

5:12 pm-11:59 pm

1 stop9h 47m

Seattle/Tacoma Intl

Mon 8/31

5:10 am-4:27 pm

1 stop8h 17m

$359
Quickest round-trip

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Mon 10/5

5:46 pm-10:56 pm

1 stop8h 10m

Seattle/Tacoma Intl

Tue 10/13

11:13 pm-9:35 am

1 stop7h 22m

$364

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Wed 9/9

10:32 am-4:07 pm

1 stop8h 35m

Seattle/Tacoma Intl

Wed 9/16

5:20 pm-9:39 am

2 stops13h 19m

$364

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Wed 9/9

10:32 am-5:42 pm

2 stops10h 10m

Seattle/Tacoma Intl

Wed 9/16

7:35 pm-9:39 am

2 stops11h 04m

$369

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?

Prices are currently low for flights on this route.

Typical prices usually range from $376 to $646.
The lowest price recently found on this route was $269.

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 $328.

How have Allentown to Seattle flight prices changed over time?

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 53m

Direct flights

None
The fastest flight from Allentown to Seattle takes 7h 53m
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 53m 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
United AirlinesPriceFrom $249Free CancellationRating
7.4
10,052 reviews
Search United Airlines flights
American AirlinesPriceFrom $276Free CancellationRating
7.1
11,839 reviews
Search American 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
Kent
Lynnwood
Redmond
Lakewood
Puyallup
Tukwila
Federal Way
Fife
Cle Elum
Marysville
Kirkland
Centralia
Shoreline
Lacey

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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