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 according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 9 different airlines that fly to Allentown on a routine basis, so you have a few additional options to choose from.

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

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

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

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

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

As of August 2026, there is 1 operator available to choose from for flights from San Francisco Airport to Allentown-Bethlehem Airport.

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

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

The required travel and health documents for your Allentown-Bethlehem Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Allentown-Bethlehem Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$214 Cheap Flights from San Francisco to Allentown in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to Allentown

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:03 pm - 12:25 pmSFO San Francisco-ABE Allentown-Bethlehem

10h 22m1 stop Charlotte Douglas

5:14 pm - 11:07 pmABE Allentown-Bethlehem-SFO San Francisco

8h 53m1 stop Charlotte Douglas

$379American Airlines

Fri, Oct 2 - Mon, Oct 5

5:05 am - 4:27 pmSFO San Francisco-ABE Allentown-Bethlehem

8h 22m1 stop Charlotte Douglas

5:12 pm - 11:45 pmABE Allentown-Bethlehem-SFO San Francisco

9h 33m1 stop Chicago O'Hare Intl

$379American Airlines

Fri, Aug 28 - Sun, Aug 30

10:30 pm - 12:05 pmSFO San Francisco-ABE Allentown-Bethlehem

10h 35m1 stop Atlanta Hartsfield-Jackson

6:03 pm - 11:56 pmABE Allentown-Bethlehem-SFO San Francisco

8h 53m1 stop Atlanta Hartsfield-Jackson

$379Delta

Sat, Oct 10 - Tue, Oct 13

6:00 am - 5:21 pmSFO San Francisco-ABE Allentown-Bethlehem

8h 21m1 stop Atlanta Hartsfield-Jackson

6:08 pm - 11:57 pmABE Allentown-Bethlehem-SFO San Francisco

8h 49m1 stop Atlanta Hartsfield-Jackson

$379Delta

Fri, Sep 11 - Tue, Sep 15

6:00 am - 5:23 pmSFO San Francisco-ABE Allentown-Bethlehem

8h 23m1 stop Atlanta Hartsfield-Jackson

6:08 pm - 11:57 pmABE Allentown-Bethlehem-SFO San Francisco

8h 49m1 stop Atlanta Hartsfield-Jackson

$379Delta

Wed, Sep 2 - Wed, Sep 16

6:00 am - 5:23 pmSFO San Francisco-ABE Allentown-Bethlehem

8h 23m1 stop Atlanta Hartsfield-Jackson

6:09 pm - 11:58 pmABE Allentown-Bethlehem-SFO San Francisco

8h 49m1 stop Atlanta Hartsfield-Jackson

$379Delta

Sat, Aug 29 - Fri, Sep 4

6:00 am - 5:18 pmSFO San Francisco-ABE Allentown-Bethlehem

8h 18m1 stop Atlanta Hartsfield-Jackson

6:04 pm - 11:51 pmABE Allentown-Bethlehem-SFO San Francisco

8h 47m1 stop Atlanta Hartsfield-Jackson

$379Delta

Tue, Nov 10 - Sun, Nov 15

11:33 am - 10:16 pmSFO San Francisco-ABE Allentown-Bethlehem

7h 43m1 stop Atlanta Hartsfield-Jackson

6:08 pm - 11:57 pmABE Allentown-Bethlehem-SFO San Francisco

8h 49m1 stop Atlanta Hartsfield-Jackson

$379Delta

Tue, Sep 15 - Tue, Sep 22

11:30 pm - 12:15 pmSFO San Francisco-ABE Allentown-Bethlehem

9h 45m1 stop Atlanta Hartsfield-Jackson

6:08 pm - 11:57 pmABE Allentown-Bethlehem-SFO San Francisco

8h 49m1 stop Atlanta Hartsfield-Jackson

$379Delta

Mon, Sep 14 - Tue, Sep 22

11:30 pm - 1:03 pmSFO San Francisco-ABE Allentown-Bethlehem

10h 33m1 stop Atlanta Hartsfield-Jackson

6:08 pm - 11:57 pmABE Allentown-Bethlehem-SFO San Francisco

8h 49m1 stop Atlanta Hartsfield-Jackson

$379Delta

Fri, Sep 11 - Wed, Sep 16

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 am - 5:01 pmSFO San Francisco-ABE Allentown-Bethlehem

8h 01m1 stop Chicago O'Hare Intl

5:36 pm - 12:30 amABE Allentown-Bethlehem-SFO San Francisco

9h 54m1 stop Chicago O'Hare Intl

$569United Airlines

Tue, Aug 11 - Sat, Sep 12

10:35 pm - 9:57 amSFO San Francisco-ABE Allentown-Bethlehem

8h 22m1 stop Chicago O'Hare Intl

5:36 pm - 10:57 pmABE Allentown-Bethlehem-SFO San Francisco

8h 21m1 stop Chicago O'Hare Intl

$569United Airlines

Tue, Aug 11 - Sat, Sep 12

5:00 am - 5:01 pmSFO San Francisco-ABE Allentown-Bethlehem

9h 01m1 stop Chicago O'Hare Intl

5:36 pm - 10:57 pmABE Allentown-Bethlehem-SFO San Francisco

8h 21m1 stop Chicago O'Hare Intl

$569United Airlines

Tue, Aug 11 - Sat, Sep 12

8:08 am - 11:25 pmSFO San Francisco-ABE Allentown-Bethlehem

12h 17m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

5:12 pm - 11:45 pmABE Allentown-Bethlehem-SFO San Francisco

9h 33m1 stop Chicago O'Hare Intl

$593American Airlines

Sat, Aug 15 - Sun, Aug 16

11:30 pm - 9:57 amSFO San Francisco-ABE Allentown-Bethlehem

7h 27m1 stop Chicago O'Hare Intl

5:36 pm - 10:57 pmABE Allentown-Bethlehem-SFO San Francisco

8h 21m1 stop Chicago O'Hare Intl

$599United Airlines

Tue, Aug 11 - Sat, Sep 12

5:05 am - 4:27 pmSFO San Francisco-ABE Allentown-Bethlehem

8h 22m1 stop Charlotte Douglas

5:12 pm - 11:45 pmABE Allentown-Bethlehem-SFO San Francisco

9h 33m1 stop Chicago O'Hare Intl

$609American Airlines

Sat, Aug 15 - Sun, Aug 16

8:08 am - 11:25 pmSFO San Francisco-ABE Allentown-Bethlehem

12h 17m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

6:20 am - 2:54 pmABE Allentown-Bethlehem-SFO San Francisco

11h 34m2 stops Charlotte Douglas Dallas/Fort Worth

$652American Airlines

Sat, Aug 15 - Sun, Aug 16

6:00 am - 5:23 pmSFO San Francisco-ABE Allentown-Bethlehem

8h 23m1 stop Atlanta Hartsfield-Jackson

6:08 pm - 11:58 pmABE Allentown-Bethlehem-SFO San Francisco

8h 50m1 stop Atlanta Hartsfield-Jackson

$703Delta

Fri, Aug 14 - Tue, Aug 18

6:00 am - 5:23 pmSFO San Francisco-ABE Allentown-Bethlehem

8h 23m1 stop Atlanta Hartsfield-Jackson

6:08 pm - 11:58 pmABE Allentown-Bethlehem-SFO San Francisco

8h 50m1 stop Atlanta Hartsfield-Jackson

$810Delta

Thu, Aug 13 - Mon, Aug 17

6:00 am - 5:23 pmSFO San Francisco-ABE Allentown-Bethlehem

8h 23m1 stop Atlanta Hartsfield-Jackson

6:08 pm - 11:58 pmABE Allentown-Bethlehem-SFO San Francisco

8h 50m1 stop Atlanta Hartsfield-Jackson

$951Delta

Fri, Aug 14 - Sun, Aug 16

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Delta flights from San Francisco to Allentown

Our best Delta deals on San Francisco to Allentown flight tickets

Delta

Sep 2

SFO6:00 amSan Francisco

8h 23m

1 stop

ABE5:23 pmAllentown-Bethlehem

Sep 16

ABE6:08 pmAllentown-Bethlehem

8h 49m

1 stop

SFO11:57 pmSan Francisco

$379

Delta

Sep 5

SFO11:15 pmSan Francisco

10h 13m

1 stop

ABE12:28 pmAllentown-Bethlehem

Sep 16

ABE6:08 pmAllentown-Bethlehem

8h 49m

1 stop

SFO11:57 pmSan Francisco

$403

Delta

Sep 11

SFO4:59 pmSan Francisco

17h 04m

2 stops

ABE1:03 pmAllentown-Bethlehem

Sep 16

ABE6:08 pmAllentown-Bethlehem

8h 49m

1 stop

SFO11:57 pmSan Francisco

$427

American Airlines flights from San Francisco to Allentown

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

American Airlines

Aug 27

SFO12:33 pmSan Francisco

7h 52m

1 stop

ABE11:25 pmAllentown-Bethlehem

Aug 31

ABE4:57 pmAllentown-Bethlehem

8h 43m

1 stop

SFO10:40 pmSan Francisco

$419

American Airlines

Oct 9

SFO10:03 pmSan Francisco

10h 15m

1 stop

ABE11:18 amAllentown-Bethlehem

Oct 12

ABE5:14 pmAllentown-Bethlehem

8h 53m

1 stop

SFO11:07 pmSan Francisco

$459

American Airlines

Oct 10

SFO11:13 amSan Francisco

10h 15m

2 stops

ABE12:28 amAllentown-Bethlehem

Oct 13

ABE6:00 amAllentown-Bethlehem

8h 25m

1 stop

SFO11:25 amSan Francisco

$488

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoAllentown

SFO San Francisco - ABE Allentown-Bethlehem

SFOABE

San Francisco

Fri 10/2

11:03 pm-12:25 pm

1 stop10h 22m

Allentown-Bethlehem

Mon 10/5

5:14 pm-11:07 pm

1 stop8h 53m

$379

San FranciscoAllentown

SFO San Francisco - ABE Allentown-Bethlehem

SFOABE

San Francisco

Fri 8/28

5:05 am-4:27 pm

1 stop8h 22m

Allentown-Bethlehem

Sun 8/30

5:12 pm-11:45 pm

1 stop9h 33m

$379

San FranciscoAllentown

SFO San Francisco - ABE Allentown-Bethlehem

SFOABE

San Francisco

Sat 10/10

10:30 pm-12:05 pm

1 stop10h 35m

Allentown-Bethlehem

Tue 10/13

6:03 pm-11:56 pm

1 stop8h 53m

$379

San FranciscoAllentown

SFO San Francisco - ABE Allentown-Bethlehem

SFOABE

San Francisco

Fri 9/11

6:00 am-5:21 pm

1 stop8h 21m

Allentown-Bethlehem

Tue 9/15

6:08 pm-11:57 pm

1 stop8h 49m

$379

San FranciscoAllentown

SFO San Francisco - ABE Allentown-Bethlehem

SFOABE

San Francisco

Wed 9/2

6:00 am-5:23 pm

1 stop8h 23m

Allentown-Bethlehem

Wed 9/16

6:08 pm-11:57 pm

1 stop8h 49m

$379

San FranciscoAllentown

SFO San Francisco - ABE Allentown-Bethlehem

SFOABE

San Francisco

Sat 8/29

6:00 am-5:23 pm

1 stop8h 23m

Allentown-Bethlehem

Fri 9/4

6:09 pm-11:58 pm

1 stop8h 49m

$379

San FranciscoAllentown

SFO San Francisco - ABE Allentown-Bethlehem

SFOABE

San Francisco

Tue 11/10

6:00 am-5:18 pm

1 stop8h 18m

Allentown-Bethlehem

Sun 11/15

6:04 pm-11:51 pm

1 stop8h 47m

$379

Quickest round-trip

San FranciscoAllentown

SFO San Francisco - ABE Allentown-Bethlehem

SFOABE

San Francisco

Tue 9/15

11:33 am-10:16 pm

1 stop7h 43m

Allentown-Bethlehem

Tue 9/22

6:08 pm-11:57 pm

1 stop8h 49m

$379

San FranciscoAllentown

SFO San Francisco - ABE Allentown-Bethlehem

SFOABE

San Francisco

Mon 9/14

11:30 pm-12:15 pm

1 stop9h 45m

Allentown-Bethlehem

Tue 9/22

6:08 pm-11:57 pm

1 stop8h 49m

$379

San FranciscoAllentown

SFO San Francisco - ABE Allentown-Bethlehem

SFOABE

San Francisco

Fri 9/11

11:30 pm-1:03 pm

1 stop10h 33m

Allentown-Bethlehem

Wed 9/16

6:08 pm-11:57 pm

1 stop8h 49m

$379

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 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 typical price of a round-trip flight between San Francisco and Allentown?

Prices are currently low for flights on this route.

Typical prices usually range from $448 to $575.
The lowest price recently found on this route was $379.

What is the cheapest month to fly to Allentown?

The month of September is, on average, the cheapest month to fly to Allentown from San Francisco, with most prices found around $0. If you aren’t able to travel to Allentown during the month of September, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $0.

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

When to book flights from San Francisco to Allentown

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

Estimated round-trip price

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

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

Fastest flight time	7h 27m
Direct flights	None

The fastest flight from San Francisco to Allentown takes 7h 27m

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

Search flight deals

Frequently asked questions about flying from San Francisco to Allentown

How far is San Francisco to Allentown-Bethlehem by plane?
The distance between San Francisco and Allentown-Bethlehem is about 2489.2 mi. 7h 27m is a normal flight duration for this route.
When did momondo last update prices for flights from San Francisco Airport to Allentown-Bethlehem Airport?
Prices for flights from San Francisco Airport to Allentown-Bethlehem Airport refresh daily.
How many operators does momondo search for flights from San Francisco Airport to Allentown-Bethlehem Airport?
As of August 2026, there is 1 operator available to choose from for flights from San Francisco Airport to Allentown-Bethlehem Airport.
How old do you have to be to fly from San Francisco Airport to Allentown-Bethlehem 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 San Francisco Airport to Allentown-Bethlehem Airport.
What documentation or ID do you need to fly to Allentown-Bethlehem Airport?
The required travel and health documents for your Allentown-Bethlehem Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Allentown-Bethlehem Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from San Francisco to Allentown?
Based on momondo bookings for this flight route, the most popular airline on flight routes from San Francisco to Allentown is American Airlines (100% of total bookings).

Best airlines flying from San Francisco to Allentown

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $289	Free Cancellation	Rating 7.1 11,899 reviews		Search American Airlines flights

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

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

All flight searches from San Francisco to Allentown on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential San Francisco to Allentown flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for San Francisco to Allentown 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.