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Cheap flights from Allentown to Seattle from $168

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 8/14. 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
2:54 pm - 9:19 am
ABE
-
SEA
21h 25m
1 stop
Multiple Airlines Logo
7:06 pm - 9:07 pm
SEA
-
ABE
23h 01m
2 stops
$297Multiple Airlines
Mon, Aug 17 - Wed, Aug 26
Multiple Airlines Logo
8:00 am - 9:19 am
ABE
-
SEA
28h 19m
1 stop
Multiple Airlines Logo
7:00 am - 3:08 pm
SEA
-
ABE
29h 08m
1 stop
$323Multiple Airlines
Mon, Sep 7 - Thu, Sep 10
Multiple Airlines Logo
11:00 am - 10:39 am
ABE
-
SEA
26h 39m
2 stops
Multiple Airlines Logo
7:41 pm - 3:08 pm
SEA
-
ABE
16h 27m
1 stop
$339Multiple Airlines
Wed, Sep 2 - Thu, Sep 10
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
$349American Airlines
Wed, Aug 19 - Tue, Aug 25
United Airlines Logo
10:32 am - 4:10 pm
ABE
-
SEA
8h 38m
1 stop
United Airlines Logo
11:00 pm - 9:39 am
SEA
-
ABE
7h 39m
1 stop
$353United Airlines
Sat, Sep 5 - Wed, Sep 9
Delta Logo
6:04 pm - 11:57 pm
ABE
-
SEA
8h 53m
1 stop
Delta Logo
5:30 am - 10:23 pm
SEA
-
ABE
13h 53m
2 stops
$354Delta
Thu, Aug 27 - Mon, Aug 31
United Airlines Logo
10:32 am - 9:31 pm
ABE
-
SEA
13h 59m
2 stops
United Airlines Logo
11:00 pm - 9:39 am
SEA
-
ABE
7h 39m
1 stop
$357United Airlines
Sat, Sep 5 - Wed, Sep 9
Delta Logo
6:04 pm - 11:58 pm
ABE
-
SEA
8h 54m
1 stop
Delta Logo
10:59 pm - 12:15 pm
SEA
-
ABE
10h 16m
1 stop
$359Delta
Fri, Oct 2 - Mon, Oct 5
Delta Logo
12:56 pm - 10:05 pm
ABE
-
SEA
12h 09m
2 stops
Delta Logo
10:59 pm - 12:15 pm
SEA
-
ABE
10h 16m
1 stop
$364Delta
Fri, Oct 2 - Mon, Oct 5
Multiple Airlines Logo
8:50 pm - 1:22 pm
ABE
-
SEA
19h 32m
2 stops
Multiple Airlines Logo
7:41 pm - 3:08 pm
SEA
-
ABE
16h 27m
1 stop
$367Multiple Airlines
Fri, Sep 4 - Thu, Sep 10

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United Airlines flights from Allentown to Seattle

Our best United Airlines deals on Allentown to Seattle flight tickets
United Airlines
Sep 5
ABE10:32 amAllentown-Bethlehem
8h 38m
1 stop
SEA4:10 pmSeattle/Tacoma Intl
Sep 9
SEA11:00 pmSeattle/Tacoma Intl
7h 39m
1 stop
ABE9:39 amAllentown-Bethlehem
$353
United Airlines
Sep 5
ABE10:32 amAllentown-Bethlehem
13h 59m
2 stops
SEA9:31 pmSeattle/Tacoma Intl
Sep 9
SEA11:00 pmSeattle/Tacoma Intl
7h 39m
1 stop
ABE9:39 amAllentown-Bethlehem
$357
United Airlines
Oct 2
ABE5:46 pmAllentown-Bethlehem
8h 10m
1 stop
SEA10:56 pmSeattle/Tacoma Intl
Oct 5
SEA5:21 pmSeattle/Tacoma Intl
13h 14m
2 stops
ABE9:35 amAllentown-Bethlehem
$364

Delta flights from Allentown to Seattle

Our best Delta deals on Allentown to Seattle flight tickets
Delta
Aug 27
ABE6:04 pmAllentown-Bethlehem
8h 53m
1 stop
SEA11:57 pmSeattle/Tacoma Intl
Aug 31
SEA5:30 amSeattle/Tacoma Intl
13h 53m
2 stops
ABE10:23 pmAllentown-Bethlehem
$354
Delta
Oct 2
ABE6:04 pmAllentown-Bethlehem
8h 54m
1 stop
SEA11:58 pmSeattle/Tacoma Intl
Oct 5
SEA10:59 pmSeattle/Tacoma Intl
10h 16m
1 stop
ABE12:15 pmAllentown-Bethlehem
$359
Delta
Aug 15
ABE1:10 pmAllentown-Bethlehem
8h 55m
1 stop
SEA7:05 pmSeattle/Tacoma Intl
Aug 24
SEA10:35 pmSeattle/Tacoma Intl
10h 53m
1 stop
ABE12:28 pmAllentown-Bethlehem
$369

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 22, 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 8/17

2:54 pm-9:19 am

1 stop21h 25m

Seattle/Tacoma Intl

Wed 8/26

7:06 pm-9:07 pm

2 stops23h 01m

$297

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Mon 9/7

8:00 am-9:19 am

1 stop28h 19m

Seattle/Tacoma Intl

Thu 9/10

7:00 am-3:08 pm

1 stop29h 08m

$323

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Wed 9/2

11:00 am-10:39 am

2 stops26h 39m

Seattle/Tacoma Intl

Thu 9/10

7:41 pm-3:08 pm

1 stop16h 27m

$339

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Wed 8/19

5:12 pm-11:59 pm

1 stop9h 47m

Seattle/Tacoma Intl

Tue 8/25

5:10 am-4:27 pm

1 stop8h 17m

$349
Quickest round-trip

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Sat 9/5

10:32 am-4:10 pm

1 stop8h 38m

Seattle/Tacoma Intl

Wed 9/9

11:00 pm-9:39 am

1 stop7h 39m

$353

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Thu 8/27

6:04 pm-11:57 pm

1 stop8h 53m

Seattle/Tacoma Intl

Mon 8/31

5:30 am-10:23 pm

2 stops13h 53m

$354

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Sat 9/5

10:32 am-9:31 pm

2 stops13h 59m

Seattle/Tacoma Intl

Wed 9/9

11:00 pm-9:39 am

1 stop7h 39m

$357

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Fri 10/2

6:04 pm-11:58 pm

1 stop8h 54m

Seattle/Tacoma Intl

Mon 10/5

10:59 pm-12:15 pm

1 stop10h 16m

$359

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Fri 10/2

12:56 pm-10:05 pm

2 stops12h 09m

Seattle/Tacoma Intl

Mon 10/5

10:59 pm-12:15 pm

1 stop10h 16m

$364

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

Fri 9/4

8:50 pm-1:22 pm

2 stops19h 32m

Seattle/Tacoma Intl

Thu 9/10

7:41 pm-3:08 pm

1 stop16h 27m

$367

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 $298.

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

8h 06m

Direct flights

None
The fastest flight from Allentown to Seattle takes 8h 06m
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. 8h 06m 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
10,020 reviews
Search United Airlines flights
American AirlinesPriceFrom $276Free CancellationRating
7.1
11,834 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
Lynnwood
Redmond
Kent
Lakewood
Tukwila
Puyallup
Fife
Federal Way
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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