Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Allentown to Portugal from $334

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 Portugal departing on 11/15. 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

Find the cheapest flights from Allentown to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:46 pm - 9:20 am
ABE
-
LIS
34h 34m
2 stops
United Airlines Logo
5:05 am - 9:35 am
LIS
-
ABE
33h 30m
2 stops
$778United Airlines
Tue, Oct 6 - Tue, Oct 20
United Airlines Logo
10:37 am - 10:05 am
ABE
-
LIS
18h 28m
2 stops
United Airlines Logo
5:00 am - 9:12 pm
LIS
-
ABE
21h 12m
2 stops
$781United Airlines
Sun, Dec 6 - Thu, Dec 10
United Airlines Logo
6:25 am - 10:05 am
ABE
-
LIS
22h 40m
2 stops
United Airlines Logo
6:10 am - 9:12 pm
LIS
-
ABE
20h 02m
2 stops
$783United Airlines
Sun, Dec 6 - Thu, Dec 10
Delta Logo
6:08 pm - 5:50 pm
ABE
-
LIS
18h 42m
2 stops
Delta Logo
5:00 am - 5:23 pm
LIS
-
ABE
41h 23m
2 stops
$785Delta
Thu, Aug 13 - Fri, Aug 21
Delta Logo
6:08 pm - 10:55 am
ABE
-
LIS
35h 47m
2 stops
Delta Logo
5:00 am - 5:22 pm
LIS
-
ABE
41h 22m
2 stops
$790Delta
Fri, Aug 14 - Sat, Aug 22
United Airlines Logo
5:46 pm - 9:20 am
ABE
-
LIS
34h 34m
2 stops
United Airlines Logo
11:25 am - 9:35 am
LIS
-
ABE
27h 10m
2 stops
$792United Airlines
Mon, Oct 5 - Tue, Oct 20
United Airlines Logo
5:46 pm - 9:20 am
ABE
-
LIS
34h 34m
2 stops
United Airlines Logo
10:25 am - 9:35 am
LIS
-
ABE
28h 10m
2 stops
$794United Airlines
Mon, Oct 5 - Wed, Oct 21
United Airlines Logo
6:25 am - 10:05 am
ABE
-
LIS
22h 40m
2 stops
United Airlines Logo
11:55 am - 4:56 pm
LIS
-
ABE
34h 01m
2 stops
$805United Airlines
Sun, Dec 13 - Wed, Dec 23
Multiple Airlines Logo
5:18 pm - 5:45 pm
ABE
-
LIS
19h 27m
2 stops
Multiple Airlines Logo
7:40 pm - 10:15 pm
LIS
-
ABE
31h 35m
2 stops
$821Multiple Airlines
Sun, Dec 13 - Tue, Dec 22
Delta Logo
6:08 pm - 3:25 pm
ABE
-
OPO
16h 17m
2 stops
Delta Logo
5:55 am - 5:23 pm
OPO
-
ABE
16h 28m
2 stops
$888Delta
Wed, Aug 12 - Wed, Aug 19

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from Allentown to Portugal

Our best United Airlines deals on Allentown to Portugal flight tickets
United Airlines
Oct 6
ABE5:46 pmAllentown-Bethlehem
34h 34m
2 stops
LIS9:20 amLisbon Humberto Delgado
Oct 20
LIS5:05 amLisbon Humberto Delgado
33h 30m
2 stops
ABE9:35 amAllentown-Bethlehem
$778
United Airlines
Dec 6
ABE10:37 amAllentown-Bethlehem
18h 28m
2 stops
LIS10:05 amLisbon Humberto Delgado
Dec 10
LIS5:00 amLisbon Humberto Delgado
21h 12m
2 stops
ABE9:12 pmAllentown-Bethlehem
$781
United Airlines
Dec 6
ABE6:25 amAllentown-Bethlehem
22h 40m
2 stops
LIS10:05 amLisbon Humberto Delgado
Dec 10
LIS6:10 amLisbon Humberto Delgado
20h 02m
2 stops
ABE9:12 pmAllentown-Bethlehem
$783

Delta flights from Allentown to Portugal

Our best Delta deals on Allentown to Portugal flight tickets
Delta
Aug 13
ABE6:08 pmAllentown-Bethlehem
18h 42m
2 stops
LIS5:50 pmLisbon Humberto Delgado
Aug 21
LIS5:00 amLisbon Humberto Delgado
41h 23m
2 stops
ABE5:23 pmAllentown-Bethlehem
$785
Delta
Aug 14
ABE6:08 pmAllentown-Bethlehem
35h 47m
2 stops
LIS10:55 amLisbon Humberto Delgado
Aug 22
LIS5:00 amLisbon Humberto Delgado
41h 22m
2 stops
ABE5:22 pmAllentown-Bethlehem
$790
Delta
Oct 7
ABE1:00 pmAllentown-Bethlehem
20h 55m
2 stops
LIS2:55 pmLisbon Humberto Delgado
Oct 21
LIS5:35 amLisbon Humberto Delgado
22h 11m
2 stops
ABE10:46 pmAllentown-Bethlehem
$841

momondo Fare Finder

 
Customize your flight search to find flights from Allentown to Portugal 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 June 26, 2026.
Use the filters below to find and compare flights from Allentown to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AllentownLisbon

ABE - LIS

ABELIS

Allentown-Bethlehem

Tue 10/6

5:46 pm-9:20 am

2 stops34h 34m

Lisbon Humberto Delgado

Tue 10/20

5:05 am-9:35 am

2 stops33h 30m

$778

AllentownLisbon

ABE - LIS

ABELIS

Allentown-Bethlehem

Sun 12/6

10:37 am-10:05 am

2 stops18h 28m

Lisbon Humberto Delgado

Thu 12/10

5:00 am-9:12 pm

2 stops21h 12m

$781

AllentownLisbon

ABE - LIS

ABELIS

Allentown-Bethlehem

Sun 12/6

6:25 am-10:05 am

2 stops22h 40m

Lisbon Humberto Delgado

Thu 12/10

6:10 am-9:12 pm

2 stops20h 02m

$783

AllentownLisbon

ABE - LIS

ABELIS

Allentown-Bethlehem

Thu 8/13

6:08 pm-5:50 pm

2 stops18h 42m

Lisbon Humberto Delgado

Fri 8/21

5:00 am-5:23 pm

2 stops41h 23m

$785

AllentownLisbon

ABE - LIS

ABELIS

Allentown-Bethlehem

Fri 8/14

6:08 pm-10:55 am

2 stops35h 47m

Lisbon Humberto Delgado

Sat 8/22

5:00 am-5:22 pm

2 stops41h 22m

$790

AllentownLisbon

ABE - LIS

ABELIS

Allentown-Bethlehem

Mon 10/5

5:46 pm-9:20 am

2 stops34h 34m

Lisbon Humberto Delgado

Tue 10/20

11:25 am-9:35 am

2 stops27h 10m

$792

AllentownLisbon

ABE - LIS

ABELIS

Allentown-Bethlehem

Mon 10/5

5:46 pm-9:20 am

2 stops34h 34m

Lisbon Humberto Delgado

Wed 10/21

10:25 am-9:35 am

2 stops28h 10m

$794

AllentownLisbon

ABE - LIS

ABELIS

Allentown-Bethlehem

Sun 12/13

6:25 am-10:05 am

2 stops22h 40m

Lisbon Humberto Delgado

Wed 12/23

11:55 am-4:56 pm

2 stops34h 01m

$805

AllentownLisbon

ABE - LIS

ABELIS

Allentown-Bethlehem

Sun 12/13

5:18 pm-5:45 pm

2 stops19h 27m

Lisbon Humberto Delgado

Tue 12/22

7:40 pm-10:15 pm

2 stops31h 35m

$821
Quickest round-trip

AllentownPorto

ABE - OPO

ABEOPO

Allentown-Bethlehem

Wed 8/12

6:08 pm-3:25 pm

2 stops16h 17m

Porto

Wed 8/19

5:55 am-5:23 pm

2 stops16h 28m

$888

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

See travel insights to Portugal from

How to get the cheapest flight ticket from Allentown to Portugal

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 airline that flies from Allentown-Bethlehem to Portugal?

United Airlines and Delta are the most popular carriers operating from Allentown-Bethlehem to Portugal

What airlines fly to Portugal?

TAP AIR PORTUGAL, United Airlines and American Airlines are the top three most popular airlines that fly to Portugal from Allentown according to our data. TAP AIR PORTUGAL is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 16 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

Cheap Allentown to Portugal flight deals and tips

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

Fastest flight time

18h 05m

Direct flights

None
The fastest flight from Allentown to Portugal takes 18h 05m
There are no direct flights from Allentown to Portugal. There are no popular flight routes from Allentown to Portugal.
Search flight deals

Frequently asked questions about flying from Allentown to Portugal

  • When did momondo last update prices for flights from Allentown-Bethlehem Airport to Portugal?

    Prices for flights from Allentown-Bethlehem Airport to Portugal were last updated today.

  • How old do you have to be to fly from Allentown-Bethlehem Airport to Portugal?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Allentown-Bethlehem Airport to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The necessary travel and health documents for your Portugal trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Allentown to Portugal. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Portugal from Allentown with this policy.

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

momondo provides multiple filters to help you find the best flight to Portugal from Allentown. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Allentown to Portugal now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portugal and let you know when they change.

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 7/26
Sun 8/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo
Flights to Lisbonfrom $150
Flights to Portofrom $461
Flights to Funchalfrom $548
Flights to Farofrom $501
Flights to Ponta Delgadafrom $564
Flights to Lajesfrom $562
Flights to Hortafrom $671
Flights to Pico Islandfrom $615
Flights to Porto Santofrom $778
Flights to Velasfrom $693