San Francisco

$189+ Cheap flights from Lehigh Valley to San Francisco (SFO)

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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — SFO
May 10 — May 171
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Cheap flight deals from Lehigh Valley to San Francisco

Cheapest flights from Lehigh Valley to San Francisco
Explore the most affordable flight options available from Lehigh Valley to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.

This American Airlines deal was found by Cheapflights users on 4/7. 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.
Sat 8/151:56 pm
ABE
-
SFO
1 stop9h 33m
American Airlines
Mon 8/245:15 am
SFO
-
ABE
1 stop10h 50m
American Airlines
Deal found 4/7$369
This American Airlines deal was found by Cheapflights users on 4/6. 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 7/225:18 pm
ABE
-
SFO
1 stop9h 33m
American Airlines
Wed 8/55:15 am
SFO
-
ABE
1 stop10h 50m
American Airlines
Deal found 4/6$389
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2610:17 am
ABE
-
SFO
2 stops27h 13m
Multiple Airlines
Thu 5/2812:52 pm
SFO
-
ABE
1 stop31h 12m
Multiple Airlines
Deal found 4/10$407
This American Airlines deal was found by Cheapflights users on 4/7. 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 4/2212:00 pm
ABE
-
SFO
1 stop11h 12m
American Airlines
Fri 5/812:30 am
SFO
-
ABE
1 stop7h 57m
American Airlines
Deal found 4/7$409
This United Airlines deal was found by Cheapflights users on 4/5. 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 5/85:40 pm
ABE
-
SFO
1 stop10h 10m
United Airlines
Sat 5/1611:10 pm
SFO
-
ABE
1 stop7h 38m
United Airlines
Deal found 4/5$415
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/218:00 am
ABE
-
SFO
2 stops38h 34m
Multiple Airlines
Mon 5/258:56 am
SFO
-
ABE
1 stop11h 08m
Multiple Airlines
Deal found 4/7$425
This Delta deal was found by Cheapflights users on 4/7. 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 4/216:33 am
ABE
-
SFO
1 stop9h 00m
Delta
Sat 5/911:25 am
SFO
-
ABE
1 stop7h 53m
Delta
Deal found 4/7$429

Find flight deals from Lehigh Valley to San Francisco

Keep the following information in mind while searching for Lehigh Valley to San Francisco flight deals. Data was last updated April 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$369
(American Airlines)

One-way from

$189
(Kiwi.com)

Popular in

April

Cheapest in

May

Average price

$583
Provider with most accurate pricing for Allentown-Bethlehem-San Francisco flight deals.
Provider most trusted by Cheapflights users for Allentown-Bethlehem-San Francisco flights.
From Lehigh Valley to San Francisco
One-way flight from Lehigh Valley to San Francisco
Highest demand for flights based on searches. 9% potential increase in price ($44 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in April 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lehigh Valley to San Francisco 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 April 10, 2026.
Use the filters below to find and compare flights from Lehigh Valley to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Sat 10/3

6:30 am-1:25 pm

1 stop9h 55m

San Francisco

Tue 10/6

10:30 pm-12:04 pm

1 stop10h 34m

$389

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Fri 5/8

5:40 pm-12:50 am

1 stop10h 10m

San Francisco

Sat 5/16

11:10 pm-9:48 am

1 stop7h 38m

$415

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Tue 7/21

5:18 pm-11:51 pm

1 stop9h 33m

San Francisco

Tue 8/4

1:19 pm-12:23 am

1 stop8h 04m

$469

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Wed 5/6

12:53 pm-8:24 pm

1 stop10h 31m

San Francisco

Tue 5/12

11:59 pm-12:19 pm

1 stop9h 20m

$489

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Tue 5/5

5:40 pm-12:50 am

1 stop10h 10m

San Francisco

Sat 5/9

12:45 am-1:38 pm

1 stop9h 53m

$499
Quickest round-trip

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Tue 5/5

2:25 pm-7:32 pm

1 stop8h 07m

San Francisco

Mon 5/11

11:10 pm-9:48 am

1 stop7h 38m

$499

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Sat 8/29

10:38 am-6:44 pm

1 stop11h 06m

San Francisco

Tue 9/1

11:30 pm-10:06 am

1 stop7h 36m

$519

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Mon 5/4

5:40 pm-1:50 am

1 stop11h 10m

San Francisco

Fri 5/15

11:10 pm-9:48 am

1 stop7h 38m

$529

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Tue 4/21

6:33 am-12:33 pm

1 stop9h 00m

San Francisco

Fri 4/24

10:35 pm-12:12 pm

1 stop10h 37m

$577
Cheapest one-way

AllentownSan Francisco

ABE - SFO

ABESFO

Allentown-Bethlehem

Sat 5/2

12:53 pm-7:07 pm

1 stop9h 14m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Lehigh Valley to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Lehigh Valley 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 Lehigh Valley to San Francisco

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

Currently, December is the cheapest month in which you can book a flight from Lehigh Valley to San Francisco (average of $256). Flying from Lehigh Valley to San Francisco in April is currently the most expensive (average of $381). 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 San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated April 10, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Lehigh Valley to San Francisco 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.

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Lehigh Valley to San Francisco. 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 into for flights to San Francisco from Lehigh Valley?

    If you book a flight to San Francisco from Lehigh Valley, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.0 mi from the center of San Francisco.

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

    Departing from Lehigh Valley to San Francisco will take you 9h 33m. There are 2493 mi between Lehigh Valley and San Francisco. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $143 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $168 and $195, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Lehigh Valley to San Francisco 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 Lehigh Valley to San Francisco?

    Currently, December is the cheapest month in which you can book a flight from Lehigh Valley to San Francisco (average of $256). Flying from Lehigh Valley to San Francisco in April is currently the most expensive (average of $381). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
South San Francisco
Santa Cruz
Santa Clara
Livermore
Roseville
Rancho Cordova
San Bruno
Watsonville
San Ramon
Union City
Emeryville
Vacaville
San Carlos
Redwood City
Sunnyvale
Turlock
San Lorenzo
Davis
Manteca
Elk Grove

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Lehigh Valley to San Francisco

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

Top 3 airlines flying from Lehigh Valley to San Francisco

Discover the top 3 airlines that operate flights from Lehigh Valley to San Francisco. 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 April 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$287Average$368FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$311Average$481FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$329Average$429FlexibilityNo cancel feeOn-time71%

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