Lehigh Valley

$234+ Cheap flights from San Francisco (SFO) to Lehigh Valley

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ABE
Feb 13 — Feb 201
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Cheap flight deals from San Francisco to Lehigh Valley

Keep the following information in mind while searching for San Francisco to Lehigh Valley flight deals. Data was last updated January 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$314
(American Airlines)

One-way from

$234
(Delta)

Popular in

November

Cheapest in

January

Average price

$298
Provider with most accurate pricing for San Francisco-Allentown-Bethlehem flight deals.
Provider most trusted by Cheapflights users for San Francisco-Allentown-Bethlehem flights.
From San Francisco to Lehigh Valley
One-way flight from San Francisco to Lehigh Valley
Highest demand for flights based on searches. 42% potential increase in price ($462 potential increase over avg. RT price).
Cheapest flight prices on average. 33% potential price decrease ($155 potential savings vs. average RT price).
Average for round-trip flights in January 2026

Find flight deals from San Francisco to Lehigh Valley

Cheapest flights from San Francisco to Lehigh Valley
Explore the most affordable flight options available from San Francisco to Lehigh Valley. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 14, 2026.

This American Airlines deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/411:36 pm
SFO
-
ABE
1 stop9h 56m
American Airlines
Sun 2/81:02 pm
ABE
-
SFO
1 stop10h 23m
American Airlines
Deal found 1/12$309
This United Airlines deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/610:45 pm
SFO
-
ABE
1 stop8h 11m
United Airlines
Mon 3/96:51 pm
ABE
-
SFO
1 stop8h 25m
United Airlines
Deal found 1/12$329
This American Airlines deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/119:00 am
SFO
-
ABE
1 stop10h 26m
American Airlines
Wed 4/812:00 pm
ABE
-
SFO
1 stop11h 11m
American Airlines
Deal found 1/12$331
This Delta deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/111:05 pm
SFO
-
ABE
1 stop10h 00m
Delta
Fri 2/135:58 pm
ABE
-
SFO
1 stop8h 51m
Delta
Deal found 1/14$359
This Delta deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2811:40 am
SFO
-
ABE
1 stop8h 10m
Delta
Sun 2/15:59 pm
ABE
-
SFO
1 stop8h 26m
Delta
Deal found 1/13$409
This American Airlines deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2811:36 pm
SFO
-
ABE
1 stop9h 56m
American Airlines
Sun 2/11:02 pm
ABE
-
SFO
2 stops12h 38m
American Airlines
Deal found 1/13$414
This American Airlines deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/16:42 am
SFO
-
ABE
2 stops12h 44m
American Airlines
Fri 2/1312:00 pm
ABE
-
SFO
1 stop8h 48m
American Airlines
Deal found 1/14$424
This Delta deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:05 am
SFO
-
ABE
1 stop8h 07m
Delta
Thu 3/55:58 pm
ABE
-
SFO
1 stop8h 51m
Delta
Deal found 1/12$434
This American Airlines deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1812:31 pm
SFO
-
ABE
1 stop8h 00m
American Airlines
Sun 2/2212:00 pm
ABE
-
SFO
1 stop8h 48m
American Airlines
Deal found 1/13$446

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Lehigh Valley 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, Cheapflights users made 2,558,603 searches. Data last updated January 14, 2026.
Use the filters below to find and compare flights from San Francisco to Lehigh Valley that are best for you.

Fly from

San Francisco

Fly to

Lehigh Valley

Route

Depart

Return

Price

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Fri 3/6

10:45 pm-9:56 am

1 stop8h 11m

Allentown-Bethlehem

Mon 3/9

6:51 pm-12:16 am

1 stop8h 25m

$329

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Wed 2/11

9:00 am-10:26 pm

1 stop10h 26m

Allentown-Bethlehem

Wed 4/8

12:00 pm-8:11 pm

1 stop11h 11m

$331

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Sun 2/1

11:05 pm-12:05 pm

1 stop10h 00m

Allentown-Bethlehem

Fri 2/13

5:58 pm-11:49 pm

1 stop8h 51m

$359

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Fri 3/6

1:17 pm-12:29 am

1 stop8h 12m

Allentown-Bethlehem

Fri 3/13

12:00 pm-5:48 pm

1 stop8h 48m

$409

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Wed 1/28

11:36 pm-12:32 pm

1 stop9h 56m

Allentown-Bethlehem

Sun 2/1

1:02 pm-10:40 pm

2 stops12h 38m

$414

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Sun 2/1

6:42 am-10:26 pm

2 stops12h 44m

Allentown-Bethlehem

Fri 2/13

12:00 pm-5:48 pm

1 stop8h 48m

$424

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Thu 2/26

6:05 am-5:12 pm

1 stop8h 07m

Allentown-Bethlehem

Thu 3/5

5:58 pm-11:49 pm

1 stop8h 51m

$434

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Wed 2/18

12:31 pm-11:31 pm

1 stop8h 00m

Allentown-Bethlehem

Sun 2/22

12:00 pm-5:48 pm

1 stop8h 48m

$446

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Fri 2/13

1:17 pm-12:29 am

1 stop8h 12m

Allentown-Bethlehem

Mon 2/16

12:00 pm-5:48 pm

1 stop8h 48m

$453

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Thu 1/22

11:56 pm-10:41 am

1 stop7h 45m

Allentown-Bethlehem

Sun 1/25

6:15 am-11:49 am

1 stop8h 34m

$489

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 16 results
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Best time to book a flight from San Francisco to Lehigh Valley

Have a flexible travel schedule? Discover the best time to fly to Lehigh Valley from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Lehigh Valley

What is the cheapest month to book a flight from San Francisco to Lehigh Valley?

Currently, February is the cheapest month in which you can book a flight from San Francisco to Lehigh Valley (average of $210). Flying from San Francisco to Lehigh Valley in December is currently the most expensive (average of $461). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Lehigh Valley

Get insights into the airlines that provide service to Lehigh Valley. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lehigh Valley. Reviews last updated January 14, 2026.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from San Francisco to Lehigh Valley by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Lehigh Valley. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from San Francisco to Lehigh Valley?

    For a flight from San Francisco to Lehigh Valley, you will be flying from San Francisco. San Francisco (SFO) is just 11.8 mi from the center of the city.

  • How long is the flight from San Francisco to Lehigh Valley?

    United Airlines, American Airlines, and Delta can get you from San Francisco to Lehigh Valley in just under 8h 11m. Your travel time can differ by up to 2h 15m. Airlines will cover a distance of 2493 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from San Francisco to Lehigh Valley one-way?

    The cheapest airlines for a one-way flight from San Francisco to Lehigh Valley are American Airlines ($114), United Airlines ($156), and Delta ($168).

  • Can I find deals for flights from San Francisco to Lehigh Valley that include hotel bookings?

    Yes. In addition to deals on San Francisco to Lehigh Valley flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Lehigh Valley?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Lehigh Valley.

  • Can I find deals for business class flights from San Francisco to Lehigh Valley?

    Yes. Cheapflights offers flight deals from San Francisco to Lehigh Valley by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Lehigh Valley?

    Currently, February is the cheapest month in which you can book a flight from San Francisco to Lehigh Valley (average of $210). Flying from San Francisco to Lehigh Valley in December is currently the most expensive (average of $461). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for San Francisco to Lehigh Valley

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from San Francisco to Lehigh Valley

Discover the top 3 airlines that operate flights from San Francisco to Lehigh Valley. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$289Average$462FlexibilityNo cancel feeOn-time71%
DeltaCheapest$308Average$453FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$338Average$568FlexibilityNo cancel feeOn-time69%

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