HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lehigh Valley

$149+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — ABE
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to Lehigh Valley with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find 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 November 4, 2025.

This Delta deal was found by Cheapflights users on 11/3. 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 12/36:15 amSAN - ABE
1 stop7h 23mDelta
Wed 12/1012:54 pmABE - SAN
1 stop8h 24mDelta
Deal found 11/3$297
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/38:40 pmSAN - ABE
2 stops12h 12mUnited Airlines
Wed 12/105:22 pmABE - SAN
1 stop8h 08mUnited Airlines
Deal found 11/3$302
This Delta deal was found by Cheapflights users on 11/3. 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 12/36:15 amSAN - ABE
1 stop7h 23mDelta
Mon 12/86:00 pmABE - SAN
1 stop8h 35mDelta
Deal found 11/3$303
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/38:00 pmSAN - ABE
2 stops12h 52mUnited Airlines
Mon 12/85:22 pmABE - SAN
1 stop8h 08mUnited Airlines
Deal found 11/3$308
This Delta deal was found by Cheapflights users on 11/2. 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 11/412:00 pmSAN - ABE
1 stop7h 15mDelta
Sat 11/86:00 pmABE - SAN
1 stop8h 14mDelta
Deal found 11/2$443
This Delta deal was found by Cheapflights users on 11/4. 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 11/712:00 pmSAN - ABE
1 stop7h 15mDelta
Sun 11/96:00 pmABE - SAN
1 stop8h 43mDelta
Deal found 11/4$469
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/66:45 amSAN - ABE
2 stops11h 31mUnited Airlines
Sat 11/85:22 pmABE - SAN
1 stop7h 58mUnited Airlines
Deal found 11/3$681

Cheap 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 November 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$297
(Delta)

One-way from

$149
(Delta)

Popular in

November

Cheapest in

March

Average price

$626
Provider with most accurate pricing for San Diego-Allentown-Bethlehem flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Allentown-Bethlehem flights.
Search Deals
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. 11% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 4, 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

Wed 12/3

6:15 am-4:38 pm

1 stop7h 23m

Allentown-Bethlehem

Wed 12/10

12:54 pm-6:18 pm

1 stop8h 24m

$297

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Wed 12/3

8:40 pm-11:52 am

2 stops12h 12m

Allentown-Bethlehem

Wed 12/10

5:22 pm-10:30 pm

1 stop8h 08m

$302

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Wed 12/3

6:15 am-4:38 pm

1 stop7h 23m

Allentown-Bethlehem

Mon 12/8

6:00 pm-11:35 pm

1 stop8h 35m

$303

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Wed 12/3

8:00 pm-11:52 am

2 stops12h 52m

Allentown-Bethlehem

Mon 12/8

5:22 pm-10:30 pm

1 stop8h 08m

$308

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 2/21

7:50 pm-9:58 am

2 stops11h 08m

Allentown-Bethlehem

Tue 2/24

10:33 am-3:41 pm

1 stop8h 08m

$402

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Sat 2/21

11:15 am-10:47 pm

1 stop8h 32m

Allentown-Bethlehem

Tue 2/24

12:47 pm-8:37 pm

1 stop10h 50m

$438

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Wed 12/3

6:15 am-4:38 pm

1 stop7h 23m

$149

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Wed 11/12

1:12 pm-6:42 pm

3 stops26h 30m

$280

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Wed 11/26

8:40 pm-11:48 am

2 stops12h 08m

$304

San DiegoAllentown

SAN - ABE

SANABE

San Diego

Wed 11/12

6:24 am-5:19 pm

1 stop7h 55m

$317

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 12 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
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 November 4, 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
8,003 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
8,003 reviews
Delta
7.9
Good
8,003 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
11,040 reviews
Delta
7.9
Good
8,003 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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 7h 23m. Delta provides one of the quickest options available for as low as $297. There are 2353 mi between San Diego and Lehigh Valley. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Diego to Lehigh Valley

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
Los Angeles to Newark flights
San Francisco to John F Kennedy Intl flights
San Francisco to Newark flights
Los Angeles to LaGuardia flights
San Francisco to LaGuardia flights
San Diego to John F Kennedy Intl flights
Los Angeles to Reagan-National flights
Los Angeles to Dulles Intl flights
San Diego to Newark flights
Ontario to John F Kennedy Intl flights
Burbank to LaGuardia flights
San Francisco to Reagan-National flights
San Francisco to Dulles Intl flights
Ontario to Newark flights
Los Angeles to Philadelphia flights
Las Vegas to John F Kennedy Intl flights
Santa Ana to LaGuardia flights
San Francisco to Philadelphia flights
Santa Ana to John F Kennedy Intl flights
Santa Ana to Newark flights
San Diego to LaGuardia flights
Ontario to LaGuardia flights
Las Vegas to Newark flights
Sacramento to Newark flights
San Jose to John F Kennedy Intl flights
San Diego to Dulles Intl flights
Sacramento to John F Kennedy Intl flights
San Jose to Newark flights
Las Vegas to LaGuardia flights
Ontario to Philadelphia flights
Oakland to Newark flights
San Diego to Reagan-National flights
Burbank to John F Kennedy Intl flights
Sacramento to LaGuardia flights
Burbank to Newark flights
Oakland to John F Kennedy Intl flights
San Diego to Philadelphia flights
Ontario to Dulles Intl flights
San Jose to LaGuardia flights
Ontario to Reagan-National flights
Fresno to John F Kennedy Intl flights
Las Vegas to Dulles Intl flights
San Francisco to Pittsburgh flights
Long Beach to John F Kennedy Intl flights
San Jose to Dulles Intl flights
Sacramento to Dulles Intl flights
Los Angeles to Pittsburgh flights
Fresno to Newark flights
San Jose to Reagan-National flights

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 November 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$308Average$418FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$310Average$539FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.