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$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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SAN
พ.ย. 28 — ธ.ค. 51
ศ. 11/28
ศ. 12/5
1 adult, Economy
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Find 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 ตุลาคม 29, 2025.

This JetBlue deal was found by Cheapflights users on 10/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ส. 12/61:40 pmBOS - SAN
1 stop8h 31mJetBlue
ส. 12/69:20 pmSAN - BOS
Nonstop5h 29mJetBlue
Deal found 10/28$212
This Trip.com deal was found by Cheapflights users on 10/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
พฤ. 11/131:40 pmBOS - SAN
1 stop9h 11mJetBlue
จ. 11/179:05 pmSAN - BOS
1 stop7h 36mJetBlue
Deal found 10/28$214
This Trip.com deal was found by Cheapflights users on 10/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
พ. 11/191:40 pmBOS - SAN
1 stop9h 11mJetBlue
พ. 12/38:31 pmSAN - BOS
Nonstop5h 31mJetBlue
Deal found 10/28$215
This JetBlue deal was found by Cheapflights users on 10/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
พ. 11/121:40 pmBOS - SAN
1 stop9h 11mJetBlue
จ. 11/178:39 pmSAN - BOS
Nonstop5h 31mJetBlue
Deal found 10/28$217
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ส. 12/65:25 pmBOS - SAN
Nonstop6h 34mDelta
ส. 12/1310:20 pmSAN - BOS
Nonstop5h 30mDelta
Deal found 10/29$218
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ส. 12/64:24 pmBOS - SAN
Nonstop6h 46mAlaska Airlines
อา. 12/149:15 amSAN - BOS
Nonstop5h 37mAlaska Airlines
Deal found 10/28$220
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ศ. 12/125:25 pmBOS - SAN
Nonstop6h 34mDelta
ส. 1/1010:04 pmSAN - BOS
Nonstop5h 26mDelta
Deal found 10/28$222
This Trip.com deal was found by Cheapflights users on 10/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
จ. 11/107:00 amBOS - SAN
Nonstop6h 39mJetBlue
อ. 11/118:39 pmSAN - BOS
Nonstop5h 31mJetBlue
Deal found 10/27$223
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ศ. 12/124:24 pmBOS - SAN
Nonstop6h 46mAlaska Airlines
จ. 12/159:15 amSAN - BOS
Nonstop5h 37mAlaska Airlines
Deal found 10/28$227
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ศ. 12/53:46 pmBGR - SAN
1 stop8h 58mAmerican Airlines
อ. 12/910:45 pmSAN - BGR
1 stop10h 39mAmerican Airlines
Deal found 10/27$309
This Delta deal was found by Cheapflights users on 10/27. 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.
ศ. 12/53:05 pmBGR - SAN
1 stop11h 53mDelta
อา. 12/710:00 pmSAN - BGR
2 stops13h 25mDelta
Deal found 10/27$314
This Southwest deal was found by Cheapflights users on 10/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
พ. 11/193:30 pmPWM - SAN
1 stop9h 05mSouthwest
พ. 12/312:00 pmSAN - PWM
1 stop7h 15mSouthwest
Deal found 10/28$368

Cheap 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 ตุลาคม 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$212
(JetBlue)

One-way from

$123
(Cheapflightsfares)

Popular in

April

Cheapest in

January

Average price

$483
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. 3% potential increase in price ($16 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 October 2025
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 ตุลาคม 29, 2025.
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

พ. 11/12

1:40 pm-7:51 pm

1 stop9h 11m

San Diego

จ. 11/17

8:39 pm-5:10 am

Nonstop5h 31m

$217

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

จ. 2/2

5:10 am-2:10 pm

1 stop12h 00m

San Diego

อ. 2/10

9:30 pm-5:54 am

Nonstop5h 24m

$217

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

จ. 1/26

1:25 pm-7:50 pm

1 stop9h 25m

San Diego

อ. 2/3

9:00 pm-7:41 am

1 stop7h 41m

$217

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

จ. 1/12

1:25 pm-7:50 pm

1 stop9h 25m

San Diego

อ. 1/20

9:30 pm-5:54 am

Nonstop5h 24m

$217

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

ส. 1/24

7:30 am-2:10 pm

1 stop9h 40m

San Diego

อ. 1/27

9:00 pm-7:41 am

1 stop7h 41m

$217

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

พฤ. 12/11

5:25 pm-8:59 pm

Nonstop6h 34m

San Diego

ส. 12/13

10:20 pm-6:50 am

Nonstop5h 30m

$222

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

พ. 12/10

4:24 pm-8:10 pm

Nonstop6h 46m

San Diego

พฤ. 1/8

9:10 am-5:44 pm

Nonstop5h 34m

$222

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

จ. 2/2

5:10 pm-8:52 pm

Nonstop6h 42m

San Diego

อ. 2/10

10:04 pm-6:30 am

Nonstop5h 26m

$222

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

อ. 2/3

6:15 am-9:45 am

Nonstop6h 30m

San Diego

พฤ. 2/12

9:22 pm-5:35 am

Nonstop5h 13m

$222

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

จ. 1/19

5:10 pm-8:52 pm

Nonstop6h 42m

San Diego

ศ. 1/23

10:04 pm-6:30 am

Nonstop5h 26m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 56 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 March is currently the most expensive (average of $325). 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 9h 05m. JetBlue provides one of the quickest options available for as low as $368. There are 2616 mi between Maine and San Diego. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Maine to San Diego one-way?

    The cheapest airlines for a one-way flight from Maine to San Diego are United Airlines ($124), Alaska Airlines ($124), and Southwest ($139).

  • 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 March is currently the most expensive (average of $325). 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
Lemon Grove
National City

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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 ตุลาคม 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$312Average$485FlexibilityNo cancel feeOn-time71%
DeltaCheapest$316Average$465FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$325Average$496FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$365Average$524FlexibilityNo cancel feeOn-time69%

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