How does KAYAK find such low prices on flights from Maine to San Diego?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Maine to San Diego.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Maine to San Diego?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from Maine is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Maine to San Diego?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to Maine with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Maine to San Diego?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego from Maine up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$160 CHEAP FLIGHTS from Maine to San Diego

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Flight Deals

Cheap Flights from Maine to San Diego

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Maine to San Diego

Fri, Dec 11 - Mon, Dec 14

5:20 am - 1:20 pmPWM Portland-SAN San Diego

11h 00m1 stop Baltimore/Washington

9:55 pm - 9:50 amSAN San Diego-PWM Portland

8h 55m1 stop Baltimore/Washington

$319Southwest

Wed, Jan 20 - Tue, Jan 26

12:50 pm - 8:45 pmPWM Portland-SAN San Diego

10h 55m1 stop Baltimore/Washington

9:55 pm - 2:40 pmSAN San Diego-PWM Portland

13h 45m1 stop Baltimore/Washington

$324Southwest

Wed, Dec 2 - Wed, Dec 9

10:55 am - 7:34 pmPWM Portland-SAN San Diego

11h 39m1 stop Philadelphia

10:45 pm - 12:02 pmSAN San Diego-PWM Portland

10h 17m1 stop Chicago O'Hare Intl

$329American Airlines

Thu, Jan 21 - Tue, Jan 26

4:25 pm - 10:37 pmPWM Portland-SAN San Diego

9h 12m1 stop Chicago O'Hare Intl

7:00 am - 6:53 pmSAN San Diego-PWM Portland

8h 53m1 stop Newark

$329United Airlines

Wed, Dec 2 - Sat, Dec 5

10:55 am - 7:34 pmPWM Portland-SAN San Diego

11h 39m1 stop Philadelphia

10:45 pm - 12:02 pmSAN San Diego-PWM Portland

10h 17m1 stop Chicago O'Hare Intl

$332American Airlines

Thu, Jan 21 - Tue, Jan 26

4:25 pm - 10:37 pmPWM Portland-SAN San Diego

9h 12m1 stop Chicago O'Hare Intl

6:20 am - 9:03 pmSAN San Diego-PWM Portland

11h 43m2 stops Los Angeles Newark

$334United Airlines

Wed, Jan 13 - Mon, Jan 18

6:00 am - 1:08 pmPWM Portland-SAN San Diego

10h 08m1 stop Atlanta Hartsfield-Jackson

7:30 pm - 11:53 amSAN San Diego-PWM Portland

13h 23m2 stops Los Angeles Detroit Metropolitan Wayne County

$334Delta

Wed, Dec 2 - Wed, Dec 9

4:53 pm - 11:58 pmPWM Portland-SAN San Diego

10h 05m2 stops Detroit Metropolitan Wayne County Salt Lake City

6:15 am - 4:11 pmSAN San Diego-PWM Portland

6h 56m1 stop Detroit Metropolitan Wayne County

$334Delta

Wed, Nov 4 - Sun, Nov 8

5:09 pm - 11:52 amPWM Portland-SAN San Diego

21h 43m1 stop Raleigh-Durham

12:37 pm - 9:08 amSAN San Diego-PWM Portland

17h 31m2 stops Raleigh-Durham Orlando

$590Breeze Airways

Wed, Nov 4 - Fri, Nov 6

5:09 pm - 11:52 amPWM Portland-SAN San Diego

21h 43m1 stop Raleigh-Durham

9:32 am - 9:08 amSAN San Diego-PWM Portland

20h 36m2 stops Dallas/Fort Worth Orlando

$643Multiple Airlines

Recent last minute flight deals from Maine to San Diego

Sat, Oct 24 - Sat, Nov 14

9:25 am - 3:49 pmBGR Bangor-SAN San Diego

9h 24m1 stop Chicago O'Hare Intl

10:20 pm - 10:19 amSAN San Diego-BGR Bangor

8h 59m1 stop Newark

$424United Airlines

Sat, Oct 24 - Sat, Nov 14

2:40 pm - 10:02 pmBGR Bangor-SAN San Diego

10h 22m1 stop Atlanta Hartsfield-Jackson

6:15 am - 9:27 pmSAN San Diego-BGR Bangor

12h 12m2 stops Detroit Metropolitan Wayne County New York LaGuardia

$429Delta

Sat, Oct 24 - Sat, Nov 14

6:10 am - 2:20 pmBGR Bangor-SAN San Diego

11h 10m2 stops New York LaGuardia Detroit Metropolitan Wayne County

6:25 am - 9:27 pmSAN San Diego-BGR Bangor

12h 02m2 stops Minneapolis St Paul New York LaGuardia

$434Delta

Wed, Oct 28 - Fri, Oct 30

5:09 pm - 11:52 amPWM Portland-SAN San Diego

21h 43m1 stop Raleigh-Durham

6:25 am - 4:24 pmSAN San Diego-PWM Portland

30h 59m2 stops Denver Intl Raleigh-Durham

$519Multiple Airlines

Sat, Oct 24 - Sat, Nov 14

9:25 am - 8:08 pmBGR Bangor-SAN San Diego

13h 43m2 stops Chicago O'Hare Intl Los Angeles

12:37 pm - 10:19 amSAN San Diego-BGR Bangor

18h 42m3 stops San Francisco Denver Intl Newark

$570United Airlines

Sat, Oct 24 - Sat, Nov 14

5:09 pm - 11:52 amPWM Portland-SAN San Diego

21h 43m1 stop Raleigh-Durham

4:53 pm - 9:08 amSAN San Diego-PWM Portland

37h 15m2 stops Denver Intl Orlando

$608Multiple Airlines

Sat, Oct 24 - Sat, Nov 14

1:05 pm - 11:19 pmPWM Portland-SAN San Diego

13h 14m1 stop Chicago O'Hare Intl

10:40 pm - 11:35 amSAN San Diego-PWM Portland

9h 55m1 stop Chicago O'Hare Intl

$630American Airlines

Wed, Oct 28 - Fri, Oct 30

5:40 am - 1:50 pmPWM Portland-SAN San Diego

11h 10m2 stops Baltimore/Washington Boston Logan Intl

11:55 am - 11:55 pmSAN San Diego-PWM Portland

9h 00m2 stops Chicago Midway Baltimore/Washington

$1,057Southwest

Sat, Oct 24 - Wed, Oct 28

5:35 am - 2:35 pmPWM Portland-SAN San Diego

12h 00m2 stops Baltimore/Washington Denver Intl

7:00 am - 8:35 pmSAN San Diego-PWM Portland

10h 35m2 stops Las Vegas Harry Reid Intl Baltimore/Washington

$1,132Southwest

Sat, Oct 24 - Sat, Nov 14

1:05 pm - 11:19 pmPWM Portland-SAN San Diego

13h 14m1 stop Chicago O'Hare Intl

10:40 pm - 11:35 amSAN San Diego-PWM Portland

9h 55m1 stop Chicago O'Hare Intl

$1,503American Airlines

Useful Info

Low season	January
High season	March
Cheapest flight	$160

Best time to beat the crowds with an average 16% drop in price.

Most popular time to fly with an average 2% increase in price.

Flight from Portland to San Diego

How does KAYAK find such low prices on flights from Maine to San Diego?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Maine to San Diego.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Maine to San Diego?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from Maine is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Maine to San Diego?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to Maine with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Maine to San Diego?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego from Maine up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.