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San Diego

$123+ Cheap flights from Maine to San Diego (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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SAN
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from Maine to San Diego

Cheapest flights from Maine to San Diego
Explore the most affordable flight options available from Maine to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:44 pm
BOS
-
SAN
Nonstop6h 45m
Hawaiian Airlines
Wed 2/258:50 am
SAN
-
BOS
Nonstop5h 34m
Hawaiian Airlines
Deal found 1/27$218
This Super.com deal was found by Cheapflights users on 1/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/44:00 pm
BOS
-
SAN
Nonstop6h 28m
JetBlue
Wed 3/119:07 pm
SAN
-
BOS
Nonstop5h 14m
JetBlue
Deal found 1/28$224
This Delta deal was found by Cheapflights users on 1/27. 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.
Thu 2/195:05 pm
BOS
-
SAN
Nonstop6h 40m
Delta
Wed 2/259:55 pm
SAN
-
BOS
Nonstop5h 30m
Delta
Deal found 1/27$227
This Super.com deal was found by Cheapflights users on 1/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/34:00 pm
BOS
-
SAN
Nonstop6h 28m
JetBlue
Mon 3/93:35 pm
SAN
-
BOS
Nonstop5h 13m
JetBlue
Deal found 1/27$233
This Super.com deal was found by Cheapflights users on 1/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/94:00 pm
BOS
-
SAN
Nonstop6h 28m
JetBlue
Tue 3/108:44 pm
SAN
-
BOS
Nonstop5h 16m
JetBlue
Deal found 1/27$234
This Delta deal was found by Cheapflights users on 1/27. 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 2/255:05 pm
BOS
-
SAN
Nonstop6h 40m
Delta
Mon 3/29:55 pm
SAN
-
BOS
Nonstop5h 30m
Delta
Deal found 1/27$237
This Trip.com deal was found by Cheapflights users on 1/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2610:45 am
BOS
-
SAN
Nonstop6h 38m
JetBlue
Mon 3/28:44 pm
SAN
-
BOS
Nonstop5h 16m
JetBlue
Deal found 1/26$238
This JetBlue deal was found by Cheapflights users on 1/26. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/183:50 pm
BOS
-
SAN
Nonstop6h 29m
JetBlue
Mon 3/238:59 pm
SAN
-
BOS
Nonstop5h 22m
JetBlue
Deal found 1/26$240
This eDestinos deal was found by Cheapflights users on 1/27. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/226:00 am
BOS
-
SAN
2 stops31h 45m
Frontier
Wed 2/257:11 am
SAN
-
BOS
2 stops39h 02m
Frontier
Deal found 1/27$241
This Delta deal was found by Cheapflights users on 1/27. 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 4/15:30 pm
BOS
-
SAN
Nonstop6h 37m
Delta
Tue 4/710:03 pm
SAN
-
BOS
Nonstop5h 22m
Delta
Deal found 1/27$242
This Super.com deal was found by Cheapflights users on 1/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:00 pm
BOS
-
SAN
Nonstop6h 28m
JetBlue
Thu 3/511:54 am
SAN
-
BOS
Nonstop5h 31m
JetBlue
Deal found 1/27$243
This American Airlines deal was found by Cheapflights users on 1/26. 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 3/412:44 pm
BGR
-
SAN
1 stop12h 15m
American Airlines
Tue 3/106:23 am
SAN
-
BGR
1 stop8h 23m
American Airlines
Deal found 1/26$329

Find flight deals from Maine to San Diego

Keep the following information in mind while searching for Maine to San Diego flight deals. Data was last updated January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$218
(Kiwi.com)

One-way from

$123
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$426
Provider with most accurate pricing for Portland-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-San Diego flights.
Search Deals
From Maine to San Diego
Search Deals
One-way flight from Maine to San Diego
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maine 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 January 28, 2026.
Use the filters below to find and compare flights from Maine to San Diego that are best for you.

Fly from

Maine

Fly to

San Diego

Route

Depart

Return

Price

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Sat 2/21

5:05 pm-8:45 pm

Nonstop6h 40m

San Diego

Wed 2/25

9:55 pm-6:25 am

Nonstop5h 30m

$227

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Wed 3/25

5:30 pm-9:07 pm

Nonstop6h 37m

San Diego

Tue 3/31

10:03 pm-6:25 am

Nonstop5h 22m

$227

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Sat 3/21

5:30 pm-9:07 pm

Nonstop6h 37m

San Diego

Tue 3/24

10:03 pm-6:25 am

Nonstop5h 22m

$237

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Tue 3/3

5:05 pm-8:45 pm

Nonstop6h 40m

San Diego

Fri 3/6

9:55 pm-6:25 am

Nonstop5h 30m

$237

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Wed 2/25

8:00 am-2:49 pm

1 stop9h 49m

San Diego

Wed 2/25

6:55 pm-5:52 am

1 stop7h 57m

$243

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Tue 2/24

6:50 am-1:35 pm

1 stop9h 45m

San Diego

Tue 3/3

10:05 am-8:50 pm

1 stop7h 45m

$247

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Fri 2/27

7:00 am-10:32 am

Nonstop6h 32m

San Diego

Sun 3/1

8:44 pm-5:00 am

Nonstop5h 16m

$247

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Fri 3/6

4:00 pm-7:28 pm

Nonstop6h 28m

San Diego

Sun 3/15

8:59 pm-5:21 am

Nonstop5h 22m

$247

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Fri 2/27

5:05 pm-8:45 pm

Nonstop6h 40m

San Diego

Mon 3/2

9:55 pm-6:25 am

Nonstop5h 30m

$247

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Fri 2/27

5:05 pm-8:45 pm

Nonstop6h 40m

San Diego

Sun 3/1

9:55 pm-6:25 am

Nonstop5h 30m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 59 results
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Best time to book a flight from Maine to San Diego

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

What is the cheapest month to book a flight from Maine to San Diego?

Currently, April is the cheapest month in which you can book a flight from Maine to San Diego (average of $156). Flying from Maine to San Diego in August is currently the most expensive (average of $350). 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.

Related info for your journey

Find useful and relevant information for your journey from Maine 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 airport do you fly into for flights to San Diego from Maine?

    If you book a flight to San Diego from Maine, you will be flying to 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 Maine to San Diego?

    A quick flight from Maine to San Diego can take about 6h 40m. Delta provides one of the quickest options available for as low as $227. There are 2581 mi between Maine and San Diego. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Maine to San Diego?

    When deciding which route to take from Maine to San Diego consider Boston Logan Intl - San Diego, Portland - San Diego or Bangor - San Diego as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Maine 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 Maine to San Diego?

    Currently, April is the cheapest month in which you can book a flight from Maine to San Diego (average of $156). Flying from Maine to San Diego in August is currently the most expensive (average of $350). 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
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

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 Maine to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Maine to San Diego

Discover the top 4 airlines that operate flights from Maine 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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$243Average$420FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$322Average$479FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$325Average$502FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$365Average$505FlexibilityNo cancel feeOn-time69%

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