Which layover airport offers the lowest fares from Allentown to San Francisco?

Flights via Chicago (ORD) offer the lowest average round-trip price of $482.

Which layover airport has the shortest connection time from Allentown to San Francisco?

Charlotte (CLT) has the shortest average layover time for this route: 1h 21m.

Which layover airport has the shortest travel time from Allentown to San Francisco?

Flights connecting via Charlotte (CLT) have the shortest average one-way travel time: 8h 43m.

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

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

What airlines fly to San Francisco?

United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to San Francisco from Allentown according to our data. United Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 10 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Allentown and San Francisco?

Chicago (ORD) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

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

Prices for flights from Allentown-Bethlehem Airport to San Francisco Airport refresh daily.

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

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

How old do you have to be to fly from Allentown-Bethlehem Airport to San Francisco 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 San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

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

$169 Cheap Flights from Allentown to San Francisco in 2025

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Find the cheapest flights from Allentown to San Francisco

Round-trip

One-way

Last minute

Cheap round-trip flights

8:00 am - 12:16 amABE-SFO

19h 16m1 stop

11:00 pm - 10:55 amSFO-ABE

32h 55m2 stops

$281

Find Deal

Thu, Sep 11 - Sun, Sep 14

6:30 am - 11:02 pmABE-SFO

19h 32m2 stops

11:00 pm - 8:40 pmSFO-ABE

18h 40m2 stops

$308

Find Deal

Thu, Sep 11 - Sun, Sep 14

6:00 pm - 11:56 pmABE-SFO

8h 56m1 stop

6:10 am - 5:20 pmSFO-ABE

8h 10m1 stop

$323Delta

Find Deal

Fri, Oct 24 - Wed, Oct 29

6:00 pm - 11:56 pmABE-SFO

8h 56m1 stop

6:10 am - 5:20 pmSFO-ABE

8h 10m1 stop

$337Delta

Find Deal

Fri, Oct 24 - Wed, Oct 29

7:30 am - 12:16 amABE-SFO

19h 46m1 stop

6:34 am - 8:24 pmSFO-ABE

34h 50m2 stops

$358

Find Deal

Thu, Oct 2 - Tue, Oct 7

5:28 pm - 11:59 pmABE-SFO

9h 31m1 stop

11:10 pm - 11:58 amSFO-ABE

9h 48m1 stop

$369United Airlines

Find Deal

Fri, Aug 29 - Tue, Sep 2

6:12 am - 2:40 pmABE-SFO

11h 28m2 stops

10:42 pm - 10:46 amSFO-ABE

9h 04m1 stop

$374American Airlines

Find Deal

Sat, Dec 6 - Fri, Dec 12

1:00 pm - 9:20 pmABE-SFO

11h 20m1 stop

6:30 am - 4:53 pmSFO-ABE

7h 23m1 stop

$379United Airlines

Find Deal

Thu, Oct 2 - Tue, Oct 7

6:00 pm - 11:56 pmABE-SFO

8h 56m1 stop

6:00 am - 10:15 pmSFO-ABE

13h 15m2 stops

$397Delta

Find Deal

Fri, Oct 24 - Wed, Oct 29

1:56 pm - 11:07 pmABE-SFO

12h 11m2 stops

8:00 am - 10:05 pmSFO-ABE

11h 05m1 stop

$426American Airlines

Find Deal

Sat, Aug 30 - Wed, Sep 3

Delta flights from Allentown to San Francisco

Our best Delta deals on Allentown to San Francisco flight tickets

Delta

Oct 24

ABE6:00 pmAllentown-Bethlehem

8h 56m

1 stop

SFO11:56 pmSan Francisco

Oct 29

SFO6:10 amSan Francisco

8h 10m

1 stop

ABE5:20 pmAllentown-Bethlehem

$323

Find similar

Delta

Oct 24

ABE6:00 pmAllentown-Bethlehem

8h 56m

1 stop

SFO11:56 pmSan Francisco

Oct 29

SFO6:10 amSan Francisco

8h 10m

1 stop

ABE5:20 pmAllentown-Bethlehem

$337

Find similar

Delta

Oct 24

ABE6:00 pmAllentown-Bethlehem

8h 56m

1 stop

SFO11:56 pmSan Francisco

Oct 29

SFO6:00 amSan Francisco

13h 15m

2 stops

ABE10:15 pmAllentown-Bethlehem

$397

Find similar

United Airlines flights from Allentown to San Francisco

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

United Airlines

Aug 29

ABE5:28 pmAllentown-Bethlehem

9h 31m

1 stop

SFO11:59 pmSan Francisco

Sep 2

SFO11:10 pmSan Francisco

9h 48m

1 stop

ABE11:58 amAllentown-Bethlehem

$369

Find similar

United Airlines

Oct 2

ABE1:00 pmAllentown-Bethlehem

11h 20m

1 stop

SFO9:20 pmSan Francisco

Oct 7

SFO6:30 amSan Francisco

7h 23m

1 stop

ABE4:53 pmAllentown-Bethlehem

$379

Find similar

United Airlines

Sep 11

ABE5:28 pmAllentown-Bethlehem

9h 31m

1 stop

SFO11:59 pmSan Francisco

Sep 14

SFO11:59 pmSan Francisco

8h 59m

1 stop

ABE11:58 amAllentown-Bethlehem

$414

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Thu 9/11

8:00 am-12:16 am

1 stop19h 16m

San Francisco

Sun 9/14

11:00 pm-10:55 am

2 stops32h 55m

$281

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Thu 9/11

6:30 am-11:02 pm

2 stops19h 32m

San Francisco

Sun 9/14

11:00 pm-8:40 pm

2 stops18h 40m

$308

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Fri 10/24

6:00 pm-11:56 pm

1 stop8h 56m

San Francisco

Wed 10/29

6:10 am-5:20 pm

1 stop8h 10m

$323

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Fri 10/24

6:00 pm-11:56 pm

1 stop8h 56m

San Francisco

Wed 10/29

6:10 am-5:20 pm

1 stop8h 10m

$337

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Thu 10/2

7:30 am-12:16 am

1 stop19h 46m

San Francisco

Tue 10/7

6:34 am-8:24 pm

2 stops34h 50m

$358

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Fri 8/29

5:28 pm-11:59 pm

1 stop9h 31m

San Francisco

Tue 9/2

11:10 pm-11:58 am

1 stop9h 48m

$369

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Sat 12/6

6:12 am-2:40 pm

2 stops11h 28m

San Francisco

Fri 12/12

10:42 pm-10:46 am

1 stop9h 04m

$374

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Thu 10/2

1:00 pm-9:20 pm

1 stop11h 20m

San Francisco

Tue 10/7

6:30 am-4:53 pm

1 stop7h 23m

$379

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Fri 10/24

6:00 pm-11:56 pm

1 stop8h 56m

San Francisco

Wed 10/29

6:00 am-10:15 pm

2 stops13h 15m

$397

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Sat 8/30

1:56 pm-11:07 pm

2 stops12h 11m

San Francisco

Wed 9/3

8:00 am-10:05 pm

1 stop11h 05m

$426

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

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

Layovers

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of November, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $356.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Allentown to San Francisco is on a Wednesday when prices can be found for as low as $363. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $577.

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

Our data shows that the cheapest Allentown to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $299. Flights in the morning are often more expensive with an average ticket price of $500.

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Allentown when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $413 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Allentown for as low as $316 on momondo.

How have Allentown to San Francisco flight prices changed over time?

As of August 2025, prices for Allentown to San Francisco flights are approximately 33% more expensive when compared to flights at the same time last year.

When to book flights from Allentown to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Allentown to San Francisco according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Allentown to San Francisco (ABE to SFO) flight deals and tips

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

Best Price Found	$169
Fastest flight time	7h 44m
Direct flights	None
Airports in San Francisco	1 airport

The best one-way flight to San Francisco from Allentown in the past 72 hours is $169. The best round-trip flight deal from Allentown to San Francisco found on momondo in the last 72 hours is $281.

The fastest flight from Allentown to San Francisco takes 7h 44m

There are no direct flights from Allentown to San Francisco. Popular non-direct route for this connection is Allentown-Bethlehem Airport - San Francisco Airport.

There is 1 airport near San Francisco: San Francisco (SFO)

Search flight deals

How far is Allentown-Bethlehem to San Francisco by plane?
The straight-line distance from Allentown-Bethlehem to San Francisco is 2489.6 mi. By plane, this route typically takes 8h 23m.
When did momondo last update prices for flights from Allentown-Bethlehem Airport to San Francisco Airport?
Prices for flights from Allentown-Bethlehem Airport to San Francisco Airport refresh daily.
How many operators does momondo search for flights from Allentown-Bethlehem Airport to San Francisco Airport?
As of August 2025, there are 3 operators available to choose from for flights from Allentown-Bethlehem Airport to San Francisco Airport.
How old do you have to be to fly from Allentown-Bethlehem Airport to San Francisco 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 San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents you'll need for your trip to San Francisco 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 San Francisco 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 San Francisco?
momondo data reveals that the most frequently booked airline on the route from Allentown to San Francisco is American Airlines, representing 61% of all bookings. The subsequent popular airlines are United Airlines at 23% and Delta at 17%.

Best airlines flying from Allentown to San Francisco

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $203	Free Cancellation	Rating 7.4 8,916 reviews	Search United Airlines flights
Delta	PriceFrom $269	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta flights
American Airlines	PriceFrom $276	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

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Roseville

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Why use momondo?

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

Finding the right flight to San Francisco from Allentown 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 San Francisco quick and easy, saving you time and money.

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

Flights from Allentown to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to San Francisco 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 San Francisco right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Allentown to San Francisco flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Allentown to San Francisco from $169

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 San Francisco departing on 9/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Allentown to San Francisco

Our best Delta deals on Allentown to San Francisco flight tickets

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

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

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 San Francisco?

If you aren’t able to travel to San Francisco during the month of November, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $356.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Allentown to San Francisco is on a Wednesday when prices can be found for as low as $363. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $577.

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

Our data shows that the cheapest Allentown to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $299. Flights in the morning are often more expensive with an average ticket price of $500.

How far in advance should I book a flight to San Francisco?

How have Allentown to San Francisco flight prices changed over time?

As of August 2025, prices for Allentown to San Francisco flights are approximately 33% more expensive when compared to flights at the same time last year.

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

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

What airlines fly to San Francisco?

Which airport is the most popular layover for flights between Allentown and San Francisco?

Chicago (ORD) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Allentown to San Francisco?

Flights via Chicago (ORD) offer the lowest average round-trip price of $482.

Which layover airport has the shortest travel time from Allentown to San Francisco?

Flights connecting via Charlotte (CLT) have the shortest average one-way travel time: 8h 43m.

Which layover airport has the shortest connection time from Allentown to San Francisco?

Charlotte (CLT) has the shortest average layover time for this route: 1h 21m.

When to book flights from Allentown to San Francisco

Cheap Allentown to San Francisco (ABE to SFO) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in San Francisco

How far is Allentown-Bethlehem to San Francisco by plane?

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

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

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

What documentation or ID do you need to fly to San Francisco Airport?

What is the most popular airline from Allentown to San Francisco?

Best airlines flying from Allentown to San Francisco

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

Traveling to a place near San Francisco?

Why use momondo?

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

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

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

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

An easier way to manage your San Francisco 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 California