HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — SAN
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Manchester to San Diego 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.

Cheapflights Tip: The best prices from Manchester to San Diego are usually found in September or February, 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 June 30, 2025.

Round-trip from

$287
(American Airlines)

One-way from

$144
(Southwest)

Popular in

December

Cheapest in

September

Average price

$496
From Manchester to San Diego
Search Deals
One-way flight from Manchester to San Diego
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 30, 2025.

This American Airlines deal was found by Cheapflights users on 6/28. 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 10/47:05 amMHT - SAN
1 stop9h 58mAmerican Airlines
Wed 10/81:12 pmSAN - MHT
1 stop8h 07mAmerican Airlines
Deal found 6/28$287
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/135:30 amMHT - SAN
1 stop8h 00mSouthwest
Mon 8/189:10 pmSAN - MHT
1 stop8h 00mSouthwest
Deal found 6/29$315
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Sat 8/231:30 pmMHT - SAN
1 stop9h 49mUnited Airlines
Sat 8/309:45 pmSAN - MHT
1 stop9h 57mUnited Airlines
Deal found 6/29$387

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 June 30, 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

Sat 10/4

7:05 am-2:03 pm

1 stop9h 58m

San Diego

Wed 10/8

1:12 pm-12:19 am

1 stop8h 07m

$287

ManchesterSan Diego

MHT - SAN

MHTSAN

Manchester

Wed 8/13

5:30 am-10:30 am

1 stop8h 00m

San Diego

Mon 8/18

9:10 pm-8:10 am

1 stop8h 00m

$315

ManchesterSan Diego

MHT - SAN

MHTSAN

Manchester

Sat 8/23

1:30 pm-8:19 pm

1 stop9h 49m

San Diego

Sat 8/30

9:45 pm-10:42 am

1 stop9h 57m

$387

ManchesterSan Diego

MHT - SAN

MHTSAN

Manchester

Tue 8/12

5:30 am-10:30 am

1 stop8h 00m

$144

ManchesterSan Diego

MHT - SAN

MHTSAN

Manchester

Wed 9/3

9:40 am-3:03 pm

1 stop8h 23m

$194

ManchesterSan Diego

MHT - SAN

MHTSAN

Manchester

Wed 9/3

12:15 pm-11:53 pm

2 stops14h 38m

$199

ManchesterSan Diego

MHT - SAN

MHTSAN

Manchester

Mon 9/8

7:03 am-3:21 pm

2 stops11h 18m

$235

ManchesterSan Diego

MHT - SAN

MHTSAN

Manchester

Wed 10/8

7:36 pm-4:33 pm

3 stops23h 57m

$491

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

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 June 27, 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 June 30, 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 June 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and United 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,852 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $287. Other airlines that can offer you cheap pricing are Southwest, from $315, and United Airlines, from $387. These flights start at 40% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Manchester, New Hampshire to San Diego one-way?

    One-way options have recently been found by users for as low as $144 on Southwest. Other airlines that offer cheap prices include United Airlines from $194 and Alaska Airlines from $199 one-way.

  • 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 Manchester?

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

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 Manchester to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Los Angeles flights
Boston to Las Vegas flights
Boston to San Francisco flights
Boston to San Diego flights
Boston to Ontario flights
Boston to Burbank flights
Boston to Medford flights
Boston to San Jose flights
Boston to Santa Ana flights
Boston to Sacramento flights
Boston to Oakland flights
Boston to Reno flights
Manchester to Las Vegas flights
Boston to Santa Barbara flights
Boston to Palm Springs flights
Manchester to San Francisco flights
Portland to San Francisco flights
Worcester to San Francisco flights
Boston to Long Beach flights
Portland to Las Vegas flights
Boston to Fresno flights
Portland to Los Angeles flights
Boston to San Luis Obispo flights
Portland to San Diego flights
Portland to Reno flights
Manchester to Los Angeles flights
Manchester to Santa Ana flights
Portland to Ontario flights
Worcester to Las Vegas flights
Boston to Redding flights
Boston to Monterey flights
Boston to Santa Rosa flights
Portland to Santa Ana flights
Portland to San Jose flights
Manchester to Ontario flights
Worcester to Los Angeles flights
Portland to Santa Barbara flights
Manchester to Medford flights
Portland to San Luis Obispo flights
Manchester to San Luis Obispo flights
Manchester to San Jose flights
Portland to Sacramento flights
Boston to Yuma flights
Manchester to Burbank flights
Portland to Fresno flights
Manchester to Reno flights
Manchester to Palm Springs flights
Portland to Palm Springs flights
Boston to Arcata flights

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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$306Average$442FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$327Average$532FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$351Average$488FlexibilityNo cancel feeOn-time63%

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.