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Lehigh Valley

$259+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — ABE
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
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 December 23, 2025.

This Delta deal was found by Cheapflights users on 12/23. 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 12/2411:25 amSAN - ABE
1 stop8h 21mDelta
Mon 1/52:00 pmABE - SAN
1 stop8h 39mDelta
Deal found 12/23$560
This United Airlines deal was found by Cheapflights users on 12/23. 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 12/2410:56 amSAN - ABE
1 stop7h 51mUnited Airlines
Mon 1/52:30 pmABE - SAN
2 stops12h 07mUnited Airlines
Deal found 12/23$654
This United Airlines deal was found by Cheapflights users on 12/23. 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 12/2410:56 amSAN - ABE
1 stop7h 51mUnited Airlines
Sun 1/46:17 amABE - SAN
1 stop8h 13mUnited Airlines
Deal found 12/23$824
This Delta deal was found by Cheapflights users on 12/23. 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 12/2411:25 amSAN - ABE
1 stop8h 21mDelta
Sun 1/46:04 pmABE - SAN
1 stop8h 24mDelta
Deal found 12/23$849

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 December 23, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$339
(United Airlines)

One-way from

$259
(Delta)

Popular in

December

Cheapest in

January

Average price

$452
Provider with most accurate pricing for San Diego-New York (NYC) flight deals.
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Provider most trusted by Cheapflights users for San Diego-New York (NYC) flights.
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From San Diego to Lehigh Valley
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One-way flight from San Diego to Lehigh Valley
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Highest demand for flights based on searches. 4% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 23, 2025.
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

Fri 2/6

7:52 pm-10:41 am

2 stops11h 49m

Allentown-Bethlehem

Tue 2/10

11:30 am-8:49 pm

2 stops12h 19m

$339

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Wed 1/21

10:52 am-9:05 pm

1 stop7h 13m

Allentown-Bethlehem

Sat 1/24

6:15 am-11:48 am

1 stop8h 33m

$429

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Fri 2/6

7:00 am-10:50 pm

2 stops12h 50m

Allentown-Bethlehem

Tue 2/10

12:48 pm-6:51 pm

1 stop9h 03m

$493

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Thu 1/1

3:00 pm-1:55 pm

2 stops19h 55m

Allentown-Bethlehem

Sat 1/3

6:17 am-11:30 am

1 stop8h 13m

$741

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Thu 5/28

11:00 am-10:56 pm

1 stop8h 56m

$259

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 12/27

11:25 am-10:46 pm

1 stop8h 21m

$301

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sun 12/28

6:15 am-5:24 pm

1 stop8h 09m

$380

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Tue 3/3

5:00 pm-8:53 pm

1 stop24h 53m

$687

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Mon 3/2

6:10 pm-8:53 pm

2 stops23h 43m

$723

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Mon 3/2

11:16 am-10:49 pm

1 stop8h 33m

$1,972

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

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
No data available for this route at this time. Please check back soon.

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 December 23, 2025.
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
8,014 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

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
8,014 reviews
Delta
7.9
Good
8,014 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

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
11,054 reviews
Delta
7.9
Good
8,014 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

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 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 11h 49m. United Airlines provides one of the quickest options available for as low as $339. There are 2353 mi between San Diego and Lehigh Valley.

  • 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 $184 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.

See more FAQs

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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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$305Average$416FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$310Average$534FlexibilityNo cancel feeOn-time71%

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