HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$127+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SAN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Maine 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.

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 December 12, 2025.

This Southwest deal was found by Cheapflights users on 12/9. 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 12/316:00 pmBOS - SAN
1 stop8h 25mSouthwest
Wed 1/1411:40 amSAN - BOS
1 stop7h 50mSouthwest
Deal found 12/9$341
This Delta deal was found by Cheapflights users on 12/10. 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 12/315:20 pmBOS - SAN
Nonstop6h 34mDelta
Wed 1/710:04 pmSAN - BOS
Nonstop5h 26mDelta
Deal found 12/10$377
This Delta deal was found by Cheapflights users on 12/10. 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 12/189:15 amBOS - SAN
1 stop9h 06mDelta
Wed 1/710:04 pmSAN - BOS
Nonstop5h 26mDelta
Deal found 12/10$387
This Priceline deal was found by Cheapflights users on 12/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/153:50 pmBOS - SAN
Nonstop6h 31mJetBlue
Tue 1/139:30 pmSAN - BOS
Nonstop5h 25mJetBlue
Deal found 12/8$395
This Delta deal was found by Cheapflights users on 12/10. 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 12/315:20 pmBOS - SAN
Nonstop6h 34mDelta
Tue 1/610:04 pmSAN - BOS
Nonstop5h 26mDelta
Deal found 12/10$397
This Southwest deal was found by Cheapflights users on 12/9. 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.
Thu 12/187:05 amBOS - SAN
1 stop8h 15mSouthwest
Tue 1/69:45 pmSAN - BOS
1 stop8h 05mSouthwest
Deal found 12/9$402
This Delta deal was found by Cheapflights users on 12/10. 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 12/316:05 amBOS - SAN
1 stop20h 35mDelta
Thu 1/810:04 pmSAN - BOS
Nonstop5h 26mDelta
Deal found 12/10$405
This Delta deal was found by Cheapflights users on 12/10. 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 12/171:45 pmBOS - SAN
1 stop8h 32mDelta
Sat 1/1010:04 pmSAN - BOS
Nonstop5h 26mDelta
Deal found 12/10$407
This United Airlines deal was found by Cheapflights users on 12/8. 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.
Sun 12/214:15 pmBOS - SAN
1 stop9h 36mUnited Airlines
Wed 1/1412:11 pmSAN - BOS
1 stop8h 09mUnited Airlines
Deal found 12/8$415
This American Airlines deal was found by Cheapflights users on 12/9. 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.
Fri 12/196:40 amBGR - SAN
2 stops11h 44mAmerican Airlines
Tue 1/208:25 amSAN - BGR
2 stops12h 33mAmerican Airlines
Deal found 12/9$455
This Southwest deal was found by Cheapflights users on 12/11. 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.
Thu 12/255:30 amPWM - SAN
2 stops10h 50mSouthwest
Wed 12/319:55 amSAN - PWM
2 stops9h 20mSouthwest
Deal found 12/11$557
This Southwest deal was found by Cheapflights users on 12/10. 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.
Thu 12/255:30 amPWM - SAN
2 stops10h 50mSouthwest
Thu 1/16:50 amSAN - PWM
1 stop12h 25mSouthwest
Deal found 12/10$595

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 December 12, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$227
(SmartFares)

One-way from

$127
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$471
Provider with most accurate pricing for Boston Logan Intl-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-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 ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 12, 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

Mon 1/12

5:10 pm-8:50 pm

Nonstop6h 40m

San Diego

Tue 1/20

10:04 pm-6:30 am

Nonstop5h 26m

$237

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Tue 2/3

4:44 pm-8:20 pm

Nonstop6h 36m

San Diego

Thu 2/12

8:42 pm-5:06 am

Nonstop5h 24m

$237

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Wed 2/4

5:10 pm-8:50 pm

Nonstop6h 40m

San Diego

Sat 2/7

10:04 pm-6:30 am

Nonstop5h 26m

$237

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Mon 2/2

4:44 pm-8:20 pm

Nonstop6h 36m

San Diego

Tue 2/10

9:30 pm-5:54 am

Nonstop5h 24m

$237

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Wed 2/4

5:10 pm-8:50 pm

Nonstop6h 40m

San Diego

Sun 2/8

10:04 pm-6:30 am

Nonstop5h 26m

$237

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Sat 1/24

5:10 pm-8:50 pm

Nonstop6h 40m

San Diego

Tue 1/27

10:04 pm-6:30 am

Nonstop5h 26m

$237

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Mon 2/2

5:10 pm-8:50 pm

Nonstop6h 40m

San Diego

Tue 2/10

10:04 pm-6:30 am

Nonstop5h 26m

$237

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Tue 2/3

6:44 pm-10:07 am

1 stop18h 23m

San Diego

Wed 2/11

9:10 am-5:39 pm

Nonstop5h 29m

$247

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Wed 2/4

4:20 pm-8:00 pm

Nonstop6h 40m

San Diego

Sat 2/7

9:07 pm-3:20 pm

1 stop15h 13m

$247

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Wed 1/7

5:10 pm-8:50 pm

Nonstop6h 40m

San Diego

Wed 1/14

6:15 am-7:10 pm

1 stop9h 55m

$248

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 58 results
1
2
3
...
6

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.

How much does it cost to fly round-trip from Maine to San Diego?

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 $237. 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
Coronado
La Mesa
Poway
Lemon Grove
Julian
National City

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.
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to Los Angeles flights
Newark to Los Angeles flights
Newark to Las Vegas flights
Dallas/Fort Worth to Las Vegas flights
O'Hare Intl to Las Vegas flights
O'Hare Intl to Los Angeles flights
Seattle to Los Angeles flights
Seattle to Las Vegas flights
John F Kennedy Intl to San Francisco flights
Dallas/Fort Worth to Los Angeles flights
San Francisco to Las Vegas flights
San Francisco to Los Angeles flights
Atlanta to Las Vegas flights
Dulles Intl to Las Vegas flights
LaGuardia to Las Vegas flights
LaGuardia to Los Angeles flights
Boston to Los Angeles flights
Reagan-National to Los Angeles flights
Seattle to Ontario flights
San Francisco to Ontario flights
Dulles Intl to Los Angeles flights
Minneapolis to Las Vegas flights
Newark to San Francisco flights
Los Angeles to Las Vegas flights
Denver to Las Vegas flights
Boston to Las Vegas flights
Baltimore to Los Angeles flights
Baltimore to Las Vegas flights
Reagan-National to Las Vegas flights
Hobby to Las Vegas flights
Ontario to San Francisco flights
Los Angeles to San Francisco flights
Dallas/Fort Worth to San Francisco flights
Orlando to Las Vegas flights
O'Hare Intl to Ontario flights
Santa Ana to Las Vegas flights
Burbank to Las Vegas flights
O'Hare Intl to Santa Ana flights
Seattle to San Diego flights
Atlanta to Los Angeles flights
O'Hare Intl to San Francisco flights
Austin to Las Vegas flights
Cleveland to Las Vegas flights
LaGuardia to San Francisco flights
Dallas/Fort Worth to Ontario flights
Seattle to Santa Ana flights
Detroit to Las Vegas flights
Philadelphia to Las Vegas flights
George Bush Intcntl to Las Vegas flights

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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$311Average$457FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$314Average$478FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$350Average$511FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$374Average$523FlexibilityNo cancel feeOn-time69%

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.