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Lehigh Valley

$188+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ABE
Jan 31 — Feb 71
Sat 1/31
Sat 2/7
1 adult, Economy
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Cheap flight deals from San Francisco to Lehigh Valley

Best flights from San Francisco to Lehigh Valley
Discover carefully curated flight deals from San Francisco to Lehigh Valley that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 1, 2026.

This Delta deal was found by Cheapflights users on 12/31. 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.
Fri 2/66:00 amSFO - ABE
1 stop8h 14mDelta
Mon 2/912:48 pmABE - SFO
1 stop10h 01mDelta
Deal found 12/31$309
This United Airlines deal was found by Cheapflights users on 12/31. 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 2/611:56 pmSFO - ABE
1 stop7h 45mUnited Airlines
Sun 2/86:15 amABE - SFO
1 stop8h 34mUnited Airlines
Deal found 12/31$429
This Delta deal was found by Cheapflights users on 12/31. 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 2/56:00 amSFO - ABE
1 stop8h 14mDelta
Sun 2/86:28 amABE - SFO
2 stops19h 26mDelta
Deal found 12/31$397
This Delta deal was found by Cheapflights users on 12/31. 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.
Tue 5/1211:45 pmSFO - ABE
1 stop9h 25mDelta
Wed 5/206:30 amABE - SFO
2 stops13h 56mDelta
Deal found 12/31$413
This United Airlines deal was found by Cheapflights users on 12/31. 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.
Thu 2/511:56 pmSFO - ABE
1 stop7h 45mUnited Airlines
Sun 2/86:15 amABE - SFO
1 stop8h 34mUnited Airlines
Deal found 12/31$459
This Delta deal was found by Cheapflights users on 12/31. 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.
Tue 5/128:55 amSFO - ABE
2 stops24h 15mDelta
Tue 5/191:00 pmABE - SFO
1 stop9h 35mDelta
Deal found 12/31$422
This United Airlines deal was found by Cheapflights users on 12/29. 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.
Tue 1/2011:15 pmSFO - ABE
1 stop8h 26mUnited Airlines
Sat 1/246:15 amABE - SFO
2 stops29h 26mUnited Airlines
Deal found 12/29$476
This Delta deal was found by Cheapflights users on 12/31. 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.
Sat 5/1611:30 amSFO - ABE
1 stop8h 26mDelta
Tue 5/191:00 pmABE - SFO
1 stop9h 35mDelta
Deal found 12/31$439
This Delta deal was found by Cheapflights users on 12/29. 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 6/311:45 pmSFO - ABE
1 stop9h 25mDelta
Tue 6/96:30 amABE - SFO
1 stop10h 10mDelta
Deal found 12/29$464
This Delta deal was found by Cheapflights users on 12/31. 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.
Sat 5/1611:30 amSFO - ABE
1 stop8h 26mDelta
Wed 5/206:30 amABE - SFO
2 stops13h 56mDelta
Deal found 12/31$478

Find 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 1, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$309
(American Airlines)

One-way from

$188
(Delta)

Popular in

November

Cheapest in

January

Average price

$298
Provider with most accurate pricing for San Francisco-Allentown-Bethlehem flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Allentown-Bethlehem flights.
Search Deals
From San Francisco to Lehigh Valley
Search Deals
One-way flight from San Francisco to Lehigh Valley
Search Deals
Highest demand for flights based on searches. 42% potential increase in price ($464 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 33% potential price decrease ($155 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 1, 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 2/6

6:00 am-5:14 pm

1 stop8h 14m

Allentown-Bethlehem

Mon 2/9

12:48 pm-7:49 pm

1 stop10h 01m

$309

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Thu 2/5

6:00 am-5:14 pm

1 stop8h 14m

Allentown-Bethlehem

Sun 2/8

6:28 am-10:54 pm

2 stops19h 26m

$397

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Tue 5/12

11:45 pm-12:10 pm

1 stop9h 25m

Allentown-Bethlehem

Wed 5/20

6:30 am-5:26 pm

2 stops13h 56m

$413

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Tue 5/12

8:55 am-12:10 pm

2 stops24h 15m

Allentown-Bethlehem

Tue 5/19

1:00 pm-7:35 pm

1 stop9h 35m

$422

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Fri 2/6

11:56 pm-10:41 am

1 stop7h 45m

Allentown-Bethlehem

Sun 2/8

6:15 am-11:49 am

1 stop8h 34m

$429

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Sat 5/16

11:30 am-10:56 pm

1 stop8h 26m

Allentown-Bethlehem

Tue 5/19

1:00 pm-7:35 pm

1 stop9h 35m

$439

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Thu 2/5

11:56 pm-10:41 am

1 stop7h 45m

Allentown-Bethlehem

Sun 2/8

6:15 am-11:49 am

1 stop8h 34m

$459

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Wed 6/3

11:45 pm-12:10 pm

1 stop9h 25m

Allentown-Bethlehem

Tue 6/9

6:30 am-1:40 pm

1 stop10h 10m

$464

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Tue 1/20

11:15 pm-10:41 am

1 stop8h 26m

Allentown-Bethlehem

Sat 1/24

6:15 am-8:41 am

2 stops29h 26m

$476

San FranciscoAllentown

SFO - ABE

SFOABE

San Francisco

Sat 5/16

11:30 am-10:56 pm

1 stop8h 26m

Allentown-Bethlehem

Wed 5/20

6:30 am-5:26 pm

2 stops13h 56m

$478

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/29

Showing 1-10 of 17 results
1
2

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 $466). 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 1, 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.
Delta
7.9
Good
8,013 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

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
Delta
7.9
Good
8,013 reviews
Delta
7.9
Good
8,013 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

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
United Airlines
7.4
Good
9,129 reviews
Delta
7.9
Good
8,013 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

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
American Airlines
7.2
Good
11,069 reviews
Delta
7.9
Good
8,013 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

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?

    Delta can get you from San Francisco to Lehigh Valley in just under 8h 14m. Your travel time can differ by up to . Airlines will cover a distance of 2493 mi.

  • 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 $466). 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

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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 1, 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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