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Lehigh Valley

$229+ Cheap flights from San Diego (SAN) 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — ABE
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from San Diego to Lehigh Valley

Cheapest flights from San Diego to Lehigh Valley
Explore the most affordable flight options available from San Diego to Lehigh Valley. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This American Airlines deal was found by Cheapflights users on 1/26. 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 2/251:12 pm
SAN
-
ABE
1 stop7h 19m
American Airlines
Fri 3/612:00 pm
ABE
-
SAN
2 stops11h 20m
American Airlines
Deal found 1/26$408
This Delta deal was found by Cheapflights users on 1/25. 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 9/410:55 am
SAN
-
ABE
1 stop9h 01m
Delta
Mon 9/71:00 pm
ABE
-
SAN
1 stop9h 58m
Delta
Deal found 1/25$454
This Delta deal was found by Cheapflights users on 1/25. 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 5/2011:00 am
SAN
-
ABE
1 stop8h 56m
Delta
Mon 5/255:40 pm
ABE
-
SAN
1 stop8h 18m
Delta
Deal found 1/25$459
This American Airlines deal was found by Cheapflights users on 1/25. 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.
Thu 9/39:45 am
SAN
-
ABE
2 stops9h 30m
American Airlines
Sun 9/65:18 pm
ABE
-
SAN
1 stop9h 05m
American Airlines
Deal found 1/25$470
This Delta deal was found by Cheapflights users on 1/25. 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 9/310:55 am
SAN
-
ABE
1 stop9h 01m
Delta
Mon 9/71:00 pm
ABE
-
SAN
1 stop9h 58m
Delta
Deal found 1/25$484
This American Airlines deal was found by Cheapflights users on 1/25. 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.
Thu 9/39:45 am
SAN
-
ABE
2 stops9h 50m
American Airlines
Sat 9/51:56 pm
ABE
-
SAN
1 stop9h 17m
American Airlines
Deal found 1/25$508
This United Airlines deal was found by Cheapflights users on 1/24. 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.
Wed 1/287:52 pm
SAN
-
ABE
2 stops11h 49m
United Airlines
Sat 1/316:15 am
ABE
-
SAN
1 stop8h 33m
United Airlines
Deal found 1/24$516

Find flight deals from San Diego to Lehigh Valley

Keep the following information in mind while searching for San Diego to Lehigh Valley flight deals. Data was last updated January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$408
(American Airlines)

One-way from

$229
(Delta)

Popular in

January

Cheapest in

October

Average price

$664
Provider with most accurate pricing for San Diego-Allentown-Bethlehem flight deals.
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Provider most trusted by Cheapflights users for San Diego-Allentown-Bethlehem flights.
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From San Diego to Lehigh Valley
Search Deals
One-way flight from San Diego to Lehigh Valley
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 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 Diego 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 26, 2026.
Use the filters below to find and compare flights from San Diego to Lehigh Valley that are best for you.

Fly from

San Diego

Fly to

Lehigh Valley

Route

Depart

Return

Price

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Wed 2/25

9:44 am-11:31 pm

2 stops10h 47m

Allentown-Bethlehem

Fri 3/6

12:00 pm-8:20 pm

2 stops11h 20m

$414

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Wed 5/20

11:00 am-10:56 pm

1 stop8h 56m

Allentown-Bethlehem

Mon 5/25

5:40 pm-10:58 pm

1 stop8h 18m

$459

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Thu 3/12

1:37 pm-12:29 am

1 stop7h 52m

Allentown-Bethlehem

Sun 3/15

12:00 pm-7:09 pm

1 stop10h 09m

$577

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Wed 5/20

8:15 am-12:22 am

2 stops13h 07m

Allentown-Bethlehem

Mon 5/25

5:18 pm-11:29 pm

1 stop9h 11m

$604

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Thu 3/12

8:50 pm-9:56 am

2 stops10h 06m

Allentown-Bethlehem

Sun 3/15

6:51 pm-9:47 am

1 stop17h 56m

$667

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 3/21

11:08 am-10:11 pm

1 stop8h 03m

Allentown-Bethlehem

Sat 3/28

5:58 pm-11:09 pm

1 stop8h 11m

$694

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Wed 5/20

4:04 pm-1:55 pm

2 stops18h 51m

Allentown-Bethlehem

Mon 5/25

11:50 am-10:36 pm

2 stops13h 46m

$866

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Thu 3/12

6:15 am-5:17 pm

1 stop8h 02m

Allentown-Bethlehem

Sun 3/15

5:58 pm-11:09 pm

1 stop8h 11m

$977

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 5/2

6:15 am-5:19 pm

1 stop8h 04m

$229

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Fri 5/1

10:40 pm-5:00 pm

1 stop15h 20m

$392

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 14 results
1
2

Best time to book a flight from San Diego to Lehigh Valley

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

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

Currently, November is the cheapest month in which you can book a flight from San Diego to Lehigh Valley (average of $308). Flying from San Diego to Lehigh Valley in December is currently the most expensive (average of $586). 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 26, 2026.
Read reviews from past customers who have flown Delta and American Airlines from San Diego to Lehigh Valley. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,111 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

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
8,111 reviews
Delta
7.9
Good
8,111 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

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
11,189 reviews
Delta
7.9
Good
8,111 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

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 Diego 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 Diego to Lehigh Valley?

    If you book a flight to Lehigh Valley from San Diego, you will be flying from San Diego, which is the city’s only airport. San Diego (SAN) is located 2.6 mi from the center of San Diego.

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

    A quick flight from San Diego to Lehigh Valley can take about 8h 56m. American Airlines provides one of the quickest options available for as low as $459. There are 2353 mi between San Diego and Lehigh Valley. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $178 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $189 and $201, respectively.

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

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

  • How can I find direct flights from San Diego 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 Diego to Lehigh Valley.

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

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

    Currently, November is the cheapest month in which you can book a flight from San Diego to Lehigh Valley (average of $308). Flying from San Diego to Lehigh Valley in December is currently the most expensive (average of $586). 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.

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Alternative routes for San Diego to Lehigh Valley

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Top 2 airlines flying from San Diego to Lehigh Valley

Discover the top 2 airlines that operate flights from San Diego 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 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$308Average$448FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$310Average$486FlexibilityNo cancel feeOn-time71%

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