What is the cheapest airline that flies from San Francisco Bay Area to Allentown-Bethlehem?

Delta, American Airlines, and United Airlines are the most popular carriers operating from San Francisco Bay Area to Allentown-Bethlehem

What airlines fly to Allentown?

United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Allentown from San Francisco Bay Area according to our data. United Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 10 different airlines that fly to Allentown on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from San Francisco Bay Area to Allentown-Bethlehem Airport?

Prices for flights from San Francisco Bay Area to Allentown-Bethlehem Airport are refreshed on a daily basis.

How many operators does momondo search for flights from San Francisco Bay Area to Allentown-Bethlehem Airport?

As of September 2025, there are 3 operators available to choose from for flights from San Francisco Bay Area to Allentown-Bethlehem Airport.

How old do you have to be to fly from San Francisco Bay Area to Allentown-Bethlehem Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Bay Area to Allentown-Bethlehem Airport.

What documentation or ID do you need to fly to Allentown-Bethlehem Airport?

The travel and health documents you'll need for your trip to Allentown-Bethlehem 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 Allentown-Bethlehem Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$145 Cheap Flights from San Francisco Bay Area to Allentown in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from San Francisco Bay Area to Allentown

Round-trip

One-way

Last minute

Cheap round-trip flights

6:10 am - 5:20 pmSFO-ABE

8h 10m1 stop

6:00 pm - 12:05 amABE-SFO

9h 05m1 stop

$309Delta

Find Deal

mar., oct. 7 - mié., oct. 29

6:10 am - 5:20 pmSFO-ABE

8h 10m1 stop

12:46 pm - 5:54 pmABE-SFO

8h 08m1 stop

$333Delta

Find Deal

mié., oct. 8 - sáb., oct. 25

11:57 pm - 12:04 pmSFO-ABE

9h 07m1 stop

6:00 pm - 12:05 amABE-SFO

9h 05m1 stop

$339Delta

Find Deal

vie., oct. 3 - mié., oct. 29

10:49 am - 3:42 pmSFO-ABE

25h 53m1 stop

7:30 am - 5:05 pmABE-SFO

36h 35m2 stops

$347Multiple Airlines

Find Deal

sáb., oct. 4 - dom., oct. 26

6:10 am - 5:20 pmSFO-ABE

8h 10m1 stop

6:00 pm - 7:25 amABE-SFO

16h 25m2 stops

$357Delta

Find Deal

mar., oct. 7 - mié., oct. 29

10:49 am - 3:42 pmSFO-ABE

25h 53m1 stop

8:00 am - 9:22 pmABE-SFO

40h 22m2 stops

$378Multiple Airlines

Find Deal

sáb., oct. 4 - lun., oct. 27

11:33 pm - 10:38 amSFO-ABE

8h 05m1 stop

1:00 pm - 7:03 pmABE-SFO

9h 03m1 stop

$472United Airlines

Find Deal

jue., oct. 2 - sáb., oct. 25

6:00 am - 7:29 pmSFO-ABE

10h 29m1 stop

5:53 pm - 10:56 pmABE-SFO

8h 03m1 stop

$481American Airlines

Find Deal

dom., oct. 5 - lun., oct. 27

11:59 pm - 1:15 pmSFO-ABE

10h 16m1 stop

4:30 pm - 10:09 pmABE-SFO

8h 39m1 stop

$489American Airlines

Find Deal

lun., nov. 17 - mié., dic. 3

5:30 am - 5:01 pmSFO-ABE

8h 31m1 stop

6:44 am - 5:43 pmABE-SFO

13h 59m2 stops

$497United Airlines

Find Deal

sáb., mar. 7 - mar., mar. 10

Delta flights from San Francisco Bay Area to Allentown

Our best Delta deals on San Francisco Bay Area to Allentown flight tickets

Delta

Oct 7

SFO6:10 amSan Francisco

8h 10m

1 stop

ABE5:20 pmAllentown-Bethlehem

Oct 29

ABE6:00 pmAllentown-Bethlehem

9h 05m

1 stop

SFO12:05 amSan Francisco

$309

Find similar

Delta

Oct 8

SFO6:10 amSan Francisco

8h 10m

1 stop

ABE5:20 pmAllentown-Bethlehem

Oct 25

ABE12:46 pmAllentown-Bethlehem

8h 08m

1 stop

SFO5:54 pmSan Francisco

$333

Find similar

Delta

Oct 3

SFO11:57 pmSan Francisco

9h 07m

1 stop

ABE12:04 pmAllentown-Bethlehem

Oct 29

ABE6:00 pmAllentown-Bethlehem

9h 05m

1 stop

SFO12:05 amSan Francisco

$339

Find similar

United Airlines flights from San Francisco Bay Area to Allentown

Our best United Airlines deals on San Francisco Bay Area to Allentown flight tickets

United Airlines

Oct 2

SFO11:33 pmSan Francisco

8h 05m

1 stop

ABE10:38 amAllentown-Bethlehem

Oct 25

ABE1:00 pmAllentown-Bethlehem

9h 03m

1 stop

SFO7:03 pmSan Francisco

$472

Find similar

United Airlines

Mar 7

SFO5:30 amSan Francisco

8h 31m

1 stop

ABE5:01 pmAllentown-Bethlehem

Mar 10

ABE6:44 amAllentown-Bethlehem

13h 59m

2 stops

SFO5:43 pmSan Francisco

$497

Find similar

United Airlines

Sep 26

SFO11:33 pmSan Francisco

8h 05m

1 stop

ABE10:38 amAllentown-Bethlehem

Sep 27

ABE1:00 pmAllentown-Bethlehem

8h 28m

1 stop

SFO6:28 pmSan Francisco

$553

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from San Francisco Bay Area to Allentown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

mar. 10/7

6:10 am-5:20 pm

1 stop8h 10m

Allentown-Bethlehem

mié. 10/29

6:00 pm-12:05 am

1 stop9h 05m

$309

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

mié. 10/8

6:10 am-5:20 pm

1 stop8h 10m

Allentown-Bethlehem

sáb. 10/25

12:46 pm-5:54 pm

1 stop8h 08m

$333

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

vie. 10/3

11:57 pm-12:04 pm

1 stop9h 07m

Allentown-Bethlehem

mié. 10/29

6:00 pm-12:05 am

1 stop9h 05m

$339

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

sáb. 10/4

10:49 am-3:42 pm

1 stop25h 53m

Allentown-Bethlehem

dom. 10/26

7:30 am-5:05 pm

2 stops36h 35m

$347

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

mar. 10/7

6:10 am-5:20 pm

1 stop8h 10m

Allentown-Bethlehem

mié. 10/29

6:00 pm-7:25 am

2 stops16h 25m

$357

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

sáb. 10/4

10:49 am-3:42 pm

1 stop25h 53m

Allentown-Bethlehem

lun. 10/27

8:00 am-9:22 pm

2 stops40h 22m

$378

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

jue. 10/2

11:33 pm-10:38 am

1 stop8h 05m

Allentown-Bethlehem

sáb. 10/25

1:00 pm-7:03 pm

1 stop9h 03m

$472

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

dom. 10/5

6:00 am-7:29 pm

1 stop10h 29m

Allentown-Bethlehem

lun. 10/27

5:53 pm-10:56 pm

1 stop8h 03m

$481

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

lun. 11/17

11:59 pm-1:15 pm

1 stop10h 16m

Allentown-Bethlehem

mié. 12/3

4:30 pm-10:09 pm

1 stop8h 39m

$489

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

sáb. 3/7

5:30 am-5:01 pm

1 stop8h 31m

Allentown-Bethlehem

mar. 3/10

6:44 am-5:43 pm

2 stops13h 59m

$497

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Francisco Bay Area to Allentown

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

Prices

Airlines

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

The cheapest day to depart from San Francisco Bay Area to Allentown is on a Tuesday when prices can be found for as low as $450. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Allentown on Sunday is $584.

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

At noon is the cheapest time of day to fly from San Francisco Bay Area to Allentown when you can find flight prices for as low as $464. Flying to Allentown at noon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $517.

Can stopping save me money on San Francisco Bay Area to Allentown flights?

No. A direct flight is the cheapest option for a flight between San Francisco Bay Area to Allentown.

Cheap San Francisco Bay Area to Allentown flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco Bay Area to Allentown

Direct flights	None

There are no direct flights from San Francisco Bay Area to Allentown. There are no popular flight routes from San Francisco Bay Area to Allentown.

Search flight deals

When did momondo last update prices for flights from San Francisco Bay Area to Allentown-Bethlehem Airport?
Prices for flights from San Francisco Bay Area to Allentown-Bethlehem Airport are refreshed on a daily basis.
How many operators does momondo search for flights from San Francisco Bay Area to Allentown-Bethlehem Airport?
As of September 2025, there are 3 operators available to choose from for flights from San Francisco Bay Area to Allentown-Bethlehem Airport.
How old do you have to be to fly from San Francisco Bay Area to Allentown-Bethlehem Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Bay Area to Allentown-Bethlehem Airport.
What documentation or ID do you need to fly to Allentown-Bethlehem Airport?
The travel and health documents you'll need for your trip to Allentown-Bethlehem 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 Allentown-Bethlehem Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Francisco Bay Area to Allentown?
momondo data reveals that the most frequently booked plane model on the route from San Francisco Bay Area to Allentown is Airbus A320-100/200, representing 36.25% of all bookings. The subsequent popular models are Airbus A321neo at 8.98%, Airbus A320neo at 6.82%, and Canadair (Bombardier) Regional Jet 900 at 5.93%.

Best airlines flying from San Francisco Bay Area to Allentown

Compare and see reviews for airlines that fly from San Francisco Bay Area to Allentown with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $289	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $326	Free Cancellation	Rating 7.9 7,957 reviews	Search Delta flights
United Airlines	PriceFrom $413	Free Cancellation	Rating 7.4 8,924 reviews	Search United Airlines flights

Lehighton

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco Bay Area to Allentown?

Finding the right flight to Allentown from San Francisco Bay Area is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Allentown quick and easy, saving you time and money.

Can I find flights from San Francisco Bay Area to Allentown with flexible booking policies on momondo?

Yes. All flights to Allentown from San Francisco Bay Area on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Francisco Bay Area to Allentown?

momondo helps you find the best flight between San Francisco Bay Area and Allentown by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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

An easier way to manage your Allentown 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

jue. 10/16

jue. 10/23

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing Pennsylvania

Altoona Blair County Airport

Wilkes-Barre Scranton Airport

Bradford Airport

DuBois Jefferson County Airport

Erie Airport

Franklin Chess Lamberton Airport

Williamsport Lycoming County Airport

Johnstown Cambria County Airport

Latrobe Westmoreland County Airport

State College University Park Airport

Popular cities in the United States

Flights to New Yorkfrom $49

Flights to Los Angelesfrom $49

Flights to Miamifrom $49

Flights to Chicagofrom $49

Flights to Orlandofrom $60

Flights to Las Vegasfrom $48

Flights to San Franciscofrom $53

Flights to Washington, D.C.from $49

Flights to Bostonfrom $62

Flights to Atlantafrom $51

Flights to Dallasfrom $68

Flights to Seattlefrom $69

Cheap flights from San Francisco Bay Area to Allentown from $145

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from San Francisco Bay Area to Allentown

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Delta flights from San Francisco Bay Area to Allentown

Our best Delta deals on San Francisco Bay Area to Allentown flight tickets

United Airlines flights from San Francisco Bay Area to Allentown

Our best United Airlines deals on San Francisco Bay Area to Allentown flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from San Francisco Bay Area to Allentown that are best for you.

See travel insights to Allentown from

How to get the cheapest flight ticket from San Francisco Bay Area to Allentown

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 day to depart on your flight to Allentown?

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

Can stopping save me money on San Francisco Bay Area to Allentown flights?

No. A direct flight is the cheapest option for a flight between San Francisco Bay Area to Allentown.

What is the cheapest airline that flies from San Francisco Bay Area to Allentown-Bethlehem?

Delta, American Airlines, and United Airlines are the most popular carriers operating from San Francisco Bay Area to Allentown-Bethlehem

What airlines fly to Allentown?

Cheap San Francisco Bay Area to Allentown flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco Bay Area to Allentown

Direct flights

When did momondo last update prices for flights from San Francisco Bay Area to Allentown-Bethlehem Airport?

How many operators does momondo search for flights from San Francisco Bay Area to Allentown-Bethlehem Airport?

How old do you have to be to fly from San Francisco Bay Area to Allentown-Bethlehem Airport?

What documentation or ID do you need to fly to Allentown-Bethlehem Airport?

What is the most popular plane model from San Francisco Bay Area to Allentown?

Best airlines flying from San Francisco Bay Area to Allentown

Compare and see reviews for airlines that fly from San Francisco Bay Area to Allentown with momondo

Traveling to a place near Allentown?

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco Bay Area to Allentown?

Can I find flights from San Francisco Bay Area to Allentown with flexible booking policies on momondo?

How can momondo help me find flights from San Francisco Bay Area to Allentown?

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

An easier way to manage your Allentown 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Pennsylvania