What is the cheapest airline that flies from Maine to San Diego?

Alaska Airlines, Delta, and Southwest are the most popular carriers operating from Maine to San Diego

How long does it take to fly to San Diego?

On average, it takes 8h 05m to fly from Maine to San Diego if you fly out of Portland (the most popular airport in Maine) and into San Diego (the most popular airport in San Diego). If you’re flying out of Bangor and into San Diego, then the flight time is around 8h 42m.

What airlines fly to San Diego?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to San Diego from Maine according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 4 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

How many flights depart from Maine to San Diego on average per week?

The number of flights available between Maine and San Diego is 93 per week as of September 2025. The most frequent departure day is Thu, with 20% of weekly flights leaving on this day.

When did momondo last update prices for flights from Maine to San Diego Airport?

Prices for flights from Maine to San Diego Airport refresh daily.

How many operators does momondo search for flights from Maine to San Diego Airport?

There are 10 operators available for flights from Maine to San Diego Airport as of September 2025.

How old do you have to be to fly from Maine to San Diego Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Maine to San Diego Airport.

What documentation or ID do you need to fly to San Diego Airport?

The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$120 Cheap Flights from Maine to San Diego in 2025/26

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Find the cheapest flights from Maine to San Diego

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

5:25 pm - 8:58 pmBOS-SAN

6h 33mnonstop

10:26 pm - 6:55 amSAN-BOS

5h 29mnonstop

$217Delta

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mié., dic. 3 - mié., dic. 10

4:24 pm - 8:10 pmBOS-SAN

6h 46mnonstop

9:15 am - 5:52 pmSAN-BOS

5h 37mnonstop

$219Alaska Airlines

Find Deal

lun., dic. 8 - sáb., dic. 13

7:45 am - 11:23 amBOS-SAN

6h 38mnonstop

8:31 pm - 5:02 amSAN-BOS

5h 31mnonstop

$227JetBlue

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sáb., dic. 6 - mar., dic. 9

7:00 am - 10:39 amBOS-SAN

6h 39mnonstop

8:31 pm - 5:02 amSAN-BOS

5h 31mnonstop

$228JetBlue

Find Deal

jue., nov. 20 - mar., dic. 2

4:24 pm - 8:03 pmBOS-SAN

6h 39mnonstop

9:15 am - 5:55 pmSAN-BOS

5h 40mnonstop

$235Hawaiian Airlines

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lun., nov. 3 - mié., nov. 12

4:24 pm - 8:03 pmBOS-SAN

6h 39mnonstop

9:15 am - 5:55 pmSAN-BOS

5h 40mnonstop

$242Hawaiian Airlines

Find Deal

lun., nov. 3 - mié., nov. 12

6:10 pm - 11:44 pmBOS-SAN

8h 34m1 stop

12:55 pm - 11:42 pmSAN-BOS

7h 47m1 stop

$252United Airlines

Find Deal

mié., nov. 12 - mar., nov. 18

1:42 pm - 8:48 pmBOS-SAN

10h 06m1 stop

6:19 am - 8:30 pmSAN-BOS

11h 11m1 stop

$255American Airlines

Find Deal

sáb., nov. 8 - sáb., nov. 15

5:24 am - 2:10 pmBOS-SAN

11h 46m1 stop

6:35 am - 5:24 pmSAN-BOS

7h 49m1 stop

$261American Airlines

Find Deal

vie., oct. 31 - lun., nov. 3

6:00 am - 11:31 amBOS-SAN

8h 31m1 stop

6:47 pm - 5:56 amSAN-BOS

8h 09m1 stop

$267United Airlines

Find Deal

jue., nov. 13 - dom., nov. 16

American Airlines flights from Maine to San Diego

Our best American Airlines deals on Maine to San Diego flight tickets

American Airlines

Nov 8

BOS1:42 pmBoston Logan Intl

10h 06m

1 stop

SAN8:48 pmSan Diego

Nov 15

SAN6:19 amSan Diego

11h 11m

1 stop

BOS8:30 pmBoston Logan Intl

$255

Find similar

American Airlines

Oct 31

BOS5:24 amBoston Logan Intl

11h 46m

1 stop

SAN2:10 pmSan Diego

Nov 3

SAN6:35 amSan Diego

7h 49m

1 stop

BOS5:24 pmBoston Logan Intl

$261

Find similar

American Airlines

Nov 3

BOS3:35 pmBoston Logan Intl

9h 09m

1 stop

SAN9:44 pmSan Diego

Nov 12

SAN10:23 pmSan Diego

8h 33m

1 stop

BOS9:56 amBoston Logan Intl

$268

Find similar

Hawaiian Airlines flights from Maine to San Diego

Our best Hawaiian Airlines deals on Maine to San Diego flight tickets

Hawaiian Airlines

Nov 3

BOS4:24 pmBoston Logan Intl

6h 39m

SAN8:03 pmSan Diego

Nov 12

SAN9:15 amSan Diego

5h 40m

BOS5:55 pmBoston Logan Intl

$235

Find similar

Hawaiian Airlines

Nov 3

BOS4:24 pmBoston Logan Intl

6h 39m

SAN8:03 pmSan Diego

Nov 12

SAN9:15 amSan Diego

5h 40m

BOS5:55 pmBoston Logan Intl

$242

Find similar

Hawaiian Airlines

Nov 3

BOS4:24 pmBoston Logan Intl

6h 39m

SAN8:03 pmSan Diego

Nov 12

SAN9:15 amSan Diego

5h 40m

BOS5:55 pmBoston Logan Intl

$244

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

mié. 12/3

5:25 pm-8:58 pm

Nonstop6h 33m

San Diego

mié. 12/10

10:26 pm-6:55 am

Nonstop5h 29m

$217

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

lun. 12/8

4:24 pm-8:10 pm

Nonstop6h 46m

San Diego

sáb. 12/13

9:15 am-5:52 pm

Nonstop5h 37m

$219

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

sáb. 12/6

7:45 am-11:23 am

Nonstop6h 38m

San Diego

mar. 12/9

8:31 pm-5:02 am

Nonstop5h 31m

$227

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

jue. 11/20

7:00 am-10:39 am

Nonstop6h 39m

San Diego

mar. 12/2

8:31 pm-5:02 am

Nonstop5h 31m

$228

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

lun. 11/3

4:24 pm-8:03 pm

Nonstop6h 39m

San Diego

mié. 11/12

9:15 am-5:55 pm

Nonstop5h 40m

$235

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

lun. 11/3

4:24 pm-8:03 pm

Nonstop6h 39m

San Diego

mié. 11/12

9:15 am-5:55 pm

Nonstop5h 40m

$242

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

mié. 11/12

6:10 pm-11:44 pm

1 stop8h 34m

San Diego

mar. 11/18

12:55 pm-11:42 pm

1 stop7h 47m

$252

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

sáb. 11/8

1:42 pm-8:48 pm

1 stop10h 06m

San Diego

sáb. 11/15

6:19 am-8:30 pm

1 stop11h 11m

$255

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

vie. 10/31

5:24 am-2:10 pm

1 stop11h 46m

San Diego

lun. 11/3

6:35 am-5:24 pm

1 stop7h 49m

$261

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

jue. 11/13

6:00 am-11:31 am

1 stop8h 31m

San Diego

dom. 11/16

6:47 pm-5:56 am

1 stop8h 09m

$267

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How to get the cheapest flight ticket from Maine to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of January, then departing from Maine during the month October is also very affordable. Most momondo users find prices during this month for around $347.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Maine to San Diego is on a Tuesday. Travelers who choose to depart for San Diego on a Tuesday will often find tickets for as low as $340. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $423. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $186. Flights in the morning are often more expensive with an average ticket price of $381.

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $371 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Maine for as low as $315 on momondo.

Cheap Maine to San Diego flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maine to San Diego

Fastest flight time	6h 05m
Direct flights	Every day
Airports in San Diego	1 airport

The fastest flight from Maine to San Diego takes 6h 05m

Direct flights go from Maine to San Diego every day.

There is 1 airport near San Diego: San Diego (SAN)

Search flight deals

When did momondo last update prices for flights from Maine to San Diego Airport?
Prices for flights from Maine to San Diego Airport refresh daily.
How many operators does momondo search for flights from Maine to San Diego Airport?
There are 10 operators available for flights from Maine to San Diego Airport as of September 2025.
How old do you have to be to fly from Maine to San Diego Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Maine to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Maine to San Diego

Compare and see reviews for airlines that fly from Maine to San Diego with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $308	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $313	Free Cancellation	Rating 7.9 7,973 reviews	Search Delta flights
Southwest	PriceFrom $325	Free Cancellation	Rating 8.0 4,244 reviews	Search Southwest flights
United Airlines	PriceFrom $375	Free Cancellation	Rating 7.4 8,928 reviews	Search United Airlines flights

Coronado

Chula Vista

El Cajon

Julian

La Mesa

National City

Imperial Beach

Poway

Borrego Springs

San Ysidro

Lemon Grove

Alpine

Santee

Why use momondo?

Why should I use momondo to find a flight deal from Maine to San Diego?

It is quick and easy to find Maine to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.

Can I find flights from Maine to San Diego with flexible booking policies on momondo?

Flights from Maine to San Diego with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Maine to San Diego?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Maine to San Diego.

I’m not ready to book a flight from Maine to San Diego right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Diego from Maine. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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sáb. 11/1

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Cheap flights from Maine to San Diego from $120

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maine to San Diego departing on 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Maine to San Diego

Our best American Airlines deals on Maine to San Diego flight tickets

Hawaiian Airlines flights from Maine to San Diego

Our best Hawaiian Airlines deals on Maine to San Diego flight tickets

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How to get the cheapest flight ticket from Maine to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of January, then departing from Maine during the month October is also very affordable. Most momondo users find prices during this month for around $347.

What is the cheapest day to depart on your flight to San Diego?

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $186. Flights in the morning are often more expensive with an average ticket price of $381.

How far in advance should I book a flight to San Diego?

What is the cheapest airline that flies from Maine to San Diego?

Alaska Airlines, Delta, and Southwest are the most popular carriers operating from Maine to San Diego

What airlines fly to San Diego?

How many flights depart from Maine to San Diego on average per week?

The number of flights available between Maine and San Diego is 93 per week as of September 2025. The most frequent departure day is Thu, with 20% of weekly flights leaving on this day.

How long does it take to fly to San Diego?

On average, it takes 8h 05m to fly from Maine to San Diego if you fly out of Portland (the most popular airport in Maine) and into San Diego (the most popular airport in San Diego). If you’re flying out of Bangor and into San Diego, then the flight time is around 8h 42m.

Cheap Maine to San Diego flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maine to San Diego

Fastest flight time

Direct flights

Airports in San Diego

When did momondo last update prices for flights from Maine to San Diego Airport?

How many operators does momondo search for flights from Maine to San Diego Airport?

How old do you have to be to fly from Maine to San Diego Airport?

What documentation or ID do you need to fly to San Diego Airport?

Best airlines flying from Maine to San Diego

Compare and see reviews for airlines that fly from Maine to San Diego with momondo

Traveling to a place near San Diego?

Why use momondo?

Why should I use momondo to find a flight deal from Maine to San Diego?

Can I find flights from Maine to San Diego with flexible booking policies on momondo?

How can momondo help me find flights from Maine to San Diego?

I’m not ready to book a flight from Maine to San Diego right now. Can momondo alert me if prices change?

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California