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Cheap flights from Allentown to Seattle from $220

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 11/13. 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
5:22 pm - 10:28 pmABE-SEA
8h 06m1 stop
United Airlines Logo
5:11 pm - 11:52 amSEA-ABE
15h 41m2 stops
$272United Airlines
Find Deal
qui, dez 4 - ter, dez 9
Delta Logo
5:23 pm - 11:59 pmABE-SEA
9h 36m1 stop
Delta Logo
11:00 pm - 12:14 pmSEA-ABE
10h 14m1 stop
$313Delta
Find Deal
qua, dez 3 - seg, dez 8
Delta Logo
6:00 pm - 9:50 amABE-SEA
18h 50m2 stops
Delta Logo
11:00 pm - 12:14 pmSEA-ABE
10h 14m1 stop
$356Delta
Find Deal
ter, dez 2 - seg, dez 8
United Airlines Logo
5:22 pm - 10:28 pmABE-SEA
8h 06m1 stop
United Airlines Logo
10:40 am - 9:46 pmSEA-ABE
8h 06m1 stop
$367United Airlines
Find Deal
qua, dez 3 - sáb, dez 6
United Airlines Logo
5:22 pm - 10:28 pmABE-SEA
8h 06m1 stop
United Airlines Logo
7:34 pm - 11:52 amSEA-ABE
13h 18m2 stops
$372United Airlines
Find Deal
qui, dez 4 - seg, dez 8
United Airlines Logo
6:30 am - 3:29 pmABE-SEA
11h 59m2 stops
United Airlines Logo
7:34 pm - 11:52 amSEA-ABE
13h 18m2 stops
$387United Airlines
Find Deal
qui, dez 4 - ter, dez 9
American Airlines Logo
1:48 pm - 8:37 pmABE-SEA
9h 49m1 stop
American Airlines Logo
8:15 am - 11:06 pmSEA-ABE
11h 51m2 stops
$407American Airlines
Find Deal
qua, dez 3 - dom, dez 7
American Airlines Logo
1:48 pm - 8:37 pmABE-SEA
9h 49m1 stop
American Airlines Logo
6:00 am - 4:44 pmSEA-ABE
7h 44m1 stop
$426American Airlines
Find Deal
qua, dez 3 - qui, dez 4
American Airlines Logo
1:46 pm - 8:39 pmABE-SEA
9h 53m1 stop
American Airlines Logo
6:00 am - 4:44 pmSEA-ABE
7h 44m1 stop
$581American Airlines
Find Deal
ter, dez 2 - sáb, dez 6
American Airlines Logo
1:46 pm - 8:39 pmABE-SEA
9h 53m1 stop
American Airlines Logo
7:00 am - 11:06 pmSEA-ABE
13h 06m2 stops
$587American Airlines
Find Deal
ter, dez 2 - sáb, dez 6

United Airlines flights from Allentown to Seattle

Our best United Airlines deals on Allentown to Seattle flight tickets
United Airlines
Dec 4
ABE5:22 pmAllentown-Bethlehem
8h 06m
1 stop
SEA10:28 pmSeattle/Tacoma Intl
Dec 9
SEA5:11 pmSeattle/Tacoma Intl
15h 41m
2 stops
ABE11:52 amAllentown-Bethlehem
$272
Find similar
United Airlines
Dec 3
ABE5:22 pmAllentown-Bethlehem
8h 06m
1 stop
SEA10:28 pmSeattle/Tacoma Intl
Dec 6
SEA10:40 amSeattle/Tacoma Intl
8h 06m
1 stop
ABE9:46 pmAllentown-Bethlehem
$367
Find similar
United Airlines
Dec 4
ABE5:22 pmAllentown-Bethlehem
8h 06m
1 stop
SEA10:28 pmSeattle/Tacoma Intl
Dec 8
SEA7:34 pmSeattle/Tacoma Intl
13h 18m
2 stops
ABE11:52 amAllentown-Bethlehem
$372
Find similar

American Airlines flights from Allentown to Seattle

Our best American Airlines deals on Allentown to Seattle flight tickets
American Airlines
Dec 3
ABE1:48 pmAllentown-Bethlehem
9h 49m
1 stop
SEA8:37 pmSeattle/Tacoma Intl
Dec 7
SEA8:15 amSeattle/Tacoma Intl
11h 51m
2 stops
ABE11:06 pmAllentown-Bethlehem
$407
Find similar
American Airlines
Dec 3
ABE1:48 pmAllentown-Bethlehem
9h 49m
1 stop
SEA8:37 pmSeattle/Tacoma Intl
Dec 4
SEA6:00 amSeattle/Tacoma Intl
7h 44m
1 stop
ABE4:44 pmAllentown-Bethlehem
$426
Find similar
American Airlines
Dec 2
ABE1:46 pmAllentown-Bethlehem
9h 53m
1 stop
SEA8:39 pmSeattle/Tacoma Intl
Dec 6
SEA6:00 amSeattle/Tacoma Intl
7h 44m
1 stop
ABE4:44 pmAllentown-Bethlehem
$581
Find similar

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 novembro 6, 2025.
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

qui 12/4

5:22 pm-10:28 pm

1 stop8h 06m

Seattle/Tacoma Intl

ter 12/9

5:11 pm-11:52 am

2 stops15h 41m

$272

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

qua 12/3

5:23 pm-11:59 pm

1 stop9h 36m

Seattle/Tacoma Intl

seg 12/8

11:00 pm-12:14 pm

1 stop10h 14m

$313

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

ter 12/2

6:00 pm-9:50 am

2 stops18h 50m

Seattle/Tacoma Intl

seg 12/8

11:00 pm-12:14 pm

1 stop10h 14m

$356

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

qua 12/3

5:22 pm-10:28 pm

1 stop8h 06m

Seattle/Tacoma Intl

sáb 12/6

10:40 am-9:46 pm

1 stop8h 06m

$367

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

qui 12/4

5:22 pm-10:28 pm

1 stop8h 06m

Seattle/Tacoma Intl

seg 12/8

7:34 pm-11:52 am

2 stops13h 18m

$372

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

qui 12/4

6:30 am-3:29 pm

2 stops11h 59m

Seattle/Tacoma Intl

ter 12/9

7:34 pm-11:52 am

2 stops13h 18m

$387

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

qua 12/3

1:48 pm-8:37 pm

1 stop9h 49m

Seattle/Tacoma Intl

dom 12/7

8:15 am-11:06 pm

2 stops11h 51m

$407

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

qua 12/3

1:48 pm-8:37 pm

1 stop9h 49m

Seattle/Tacoma Intl

qui 12/4

6:00 am-4:44 pm

1 stop7h 44m

$426

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

ter 12/2

1:46 pm-8:39 pm

1 stop9h 53m

Seattle/Tacoma Intl

sáb 12/6

6:00 am-4:44 pm

1 stop7h 44m

$581

AllentownSeattle

ABE - SEA

ABESEA

Allentown-Bethlehem

ter 12/2

1:46 pm-8:39 pm

1 stop9h 53m

Seattle/Tacoma Intl

sáb 12/6

7:00 am-11:06 pm

2 stops13h 06m

$587

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, February 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 $380. If you don’t want to visit Seattle in February, then you should wait until March to fly from Allentown, when ticket prices are also cheap, with an average price of $388.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Allentown is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $469. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Allentown because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $700.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Allentown in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $535 when looking at flights departing in the afternoon. Flights to Seattle are more costly at noon, with an average ticket price of $723. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

Direct flights

None
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. 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
American AirlinesPriceFrom $289Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
United AirlinesPriceFrom $293Free CancellationRating
7.4
9,007 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
Puyallup
Marysville
Redmond
Tukwila
Lakewood
Federal Way
Fife
Cle Elum
Centralia
Kirkland
Westport
Shoreline

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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