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$144+ Cheap flights from Manchester, NH to San Diego (MHT - SAN)

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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SAN
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Manchester to San Diego are usually found in September or July, booked 24 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Manchester to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Manchester (MHT) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$251
(United Airlines)

One-way from

$144
(American Airlines)

Popular in

June

Cheapest in

September

Average price

$416
From Manchester to San Diego
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One-way flight from Manchester to San Diego
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Highest demand for flights based on searches. 4% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Manchester to San Diego

Cheapest flights from Manchester to San Diego
Explore the most affordable flight options available from Manchester to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/12. 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 9/101:30 pmMHT - SAN
1 stop9h 49mUnited Airlines
Wed 9/179:45 pmSAN - MHT
1 stop9h 57mUnited Airlines
Deal found 8/12$251
This American Airlines deal was found by Cheapflights users on 8/12. 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 11/1211:29 amMHT - SAN
1 stop10h 24mAmerican Airlines
Mon 11/1710:23 pmSAN - MHT
1 stop9h 40mAmerican Airlines
Deal found 8/12$269
This American Airlines deal was found by Cheapflights users on 8/13. 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 9/106:00 amMHT - SAN
1 stop8h 36mAmerican Airlines
Wed 9/179:45 amSAN - MHT
2 stops11h 24mAmerican Airlines
Deal found 8/13$270
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/171:30 pmMHT - SAN
1 stop9h 49mUnited Airlines
Fri 9/198:11 pmSAN - MHT
2 stops11h 31mUnited Airlines
Deal found 8/14$274
This American Airlines deal was found by Cheapflights users on 8/14. 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 9/247:03 amMHT - SAN
1 stop8h 24mAmerican Airlines
Sun 9/2810:38 pmSAN - MHT
1 stop10h 30mAmerican Airlines
Deal found 8/14$277
This American Airlines deal was found by Cheapflights users on 8/14. 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 9/251:50 pmMHT - SAN
1 stop9h 39mAmerican Airlines
Sun 9/2810:38 pmSAN - MHT
1 stop10h 30mAmerican Airlines
Deal found 8/14$287
This American Airlines deal was found by Cheapflights users on 8/13. 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 10/412:38 pmMHT - SAN
1 stop9h 49mAmerican Airlines
Wed 10/86:20 amSAN - MHT
1 stop9h 00mAmerican Airlines
Deal found 8/13$301

Cheapflights Fare Finder

 
Customize your flight search to find flights from Manchester to San Diego 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 August 14, 2025.
Use the filters below to find and compare flights from Manchester to San Diego that are best for you.

Fly from

Manchester

Fly to

San Diego

Route

Depart

Return

Price

ManchesterSan Diego

MHT - SAN

MHTSAN

Manchester

Wed 9/10

1:30 pm-8:19 pm

1 stop9h 49m

San Diego

Wed 9/17

9:45 pm-10:42 am

1 stop9h 57m

$251

ManchesterSan Diego

MHT - SAN

MHTSAN

Manchester

Tue 9/23

7:03 am-12:27 pm

1 stop8h 24m

San Diego

Tue 9/30

6:15 am-5:29 pm

1 stop8h 14m

$251

ManchesterSan Diego

MHT - SAN

MHTSAN

Manchester

Sat 11/1

12:25 pm-7:29 pm

1 stop10h 04m

San Diego

Tue 11/4

10:41 pm-11:04 am

1 stop9h 23m

$269

ManchesterSan Diego

MHT - SAN

MHTSAN

Manchester

Wed 11/12

11:29 am-6:53 pm

1 stop10h 24m

San Diego

Mon 11/17

10:23 pm-11:03 am

1 stop9h 40m

$269

ManchesterSan Diego

MHT - SAN

MHTSAN

Manchester

Fri 10/3

3:59 pm-9:43 pm

1 stop8h 44m

San Diego

Tue 10/7

6:20 am-6:20 pm

1 stop9h 00m

$269

ManchesterSan Diego

MHT - SAN

MHTSAN

Manchester

Wed 9/10

6:00 am-11:36 am

1 stop8h 36m

San Diego

Wed 9/17

9:45 am-12:09 am

2 stops11h 24m

$270

ManchesterSan Diego

MHT - SAN

MHTSAN

Manchester

Sat 9/13

11:25 am-6:42 pm

1 stop10h 17m

$144

ManchesterSan Diego

MHT - SAN

MHTSAN

Manchester

Sat 9/6

1:49 pm-7:27 pm

1 stop8h 38m

$144

ManchesterSan Diego

MHT - SAN

MHTSAN

Manchester

Fri 9/5

12:38 pm-7:27 pm

1 stop9h 49m

$144

ManchesterSan Diego

MHT - SAN

MHTSAN

Manchester

Thu 9/18

3:59 pm-9:43 pm

1 stop8h 44m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 11 results
1
2

Best time to book a flight from Manchester to San Diego

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

How far ahead should I book a flight from Manchester, New Hampshire to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Manchester to San Diego. Price data was last updated on August 8, 2025.

Booking 24 days in advance of your planned departure date is, on average, the best time to get cheap flights from Manchester, New Hampshire to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Manchester, New Hampshire to San Diego?

Currently, August is the cheapest month in which you can book a flight from Manchester, New Hampshire to San Diego (average of $286). Flying from Manchester, New Hampshire to San Diego in March is currently the most expensive (average of $366). 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.

What is the cheapest time of day to fly from MHT to SAN?

Find hourly flight availability from Manchester to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

It’s optimal to fly from Manchester, New Hampshire to San Diego in the afternoon. By choosing this option you can save up to 5% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 Diego. Reviews last updated August 14, 2025.
Read reviews from past customers who have flown Southwest, United Airlines, and American Airlines from Manchester to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,244 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Southwest
8.0
Very good
4,244 reviews
Southwest
8.0
Very good
4,244 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
United Airlines
7.4
Good
8,916 reviews
Southwest
8.0
Very good
4,244 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,244 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

Related info for your journey

Find useful and relevant information for your journey from Manchester to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Manchester, New Hampshire to San Diego round-trip?

    Cheapflights users have booked flights from Manchester, New Hampshire to San Diego round-trip from $286. Other airlines that can offer you cheap pricing are United Airlines, from $327, and Southwest, from $351. These flights start at 40% lower than the current average price 3 months from now.

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

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

  • How can I find direct flights from Manchester to San Diego?

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

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

    Yes. Cheapflights offers flight deals from Manchester to San Diego 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 Manchester, New Hampshire to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Manchester, New Hampshire to San Diego (average of $286). Flying from Manchester, New Hampshire to San Diego in March is currently the most expensive (average of $366). 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 Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
La Mesa
Poway
National City
Lemon Grove
Imperial Beach
Alpine

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Top 3 airlines flying from Manchester to San Diego

Discover the top 3 airlines that operate flights from Manchester to San Diego. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$286Average$439FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$327Average$532FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$351Average$482FlexibilityNo cancel feeOn-time63%

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