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$223+ Cheap flights from Flagstaff to San Diego (FLG - SAN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
FLG — SAN
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Flagstaff to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Flagstaff (FLG) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$223
(American Airlines)

Popular in

May

Cheapest in

September

Average price

$390
From Flagstaff Pulliam to San Diego
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Flagstaff to San Diego

Cheapest flights from Flagstaff to San Diego
Explore the most affordable flight options available from Flagstaff to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This American Airlines deal was found by Cheapflights users on 8/14. 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 11/124:04 pmFLG - SAN
1 stop3h 20mAmerican Airlines
Sat 11/156:30 amSAN - FLG
1 stop5h 30mAmerican Airlines
Deal found 8/14$223
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Thu 10/166:20 pmFLG - SAN
1 stop3h 15mAmerican Airlines
Sun 10/197:36 pmSAN - FLG
1 stop3h 18mAmerican Airlines
Deal found 8/13$316
This American Airlines deal was found by Cheapflights users on 8/12. 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 10/106:20 pmFLG - SAN
1 stop3h 15mAmerican Airlines
Wed 10/156:15 amSAN - FLG
1 stop3h 31mAmerican Airlines
Deal found 8/12$336
This American Airlines deal was found by Cheapflights users on 8/12. 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 8/296:07 pmFLG - SAN
1 stop3h 48mAmerican Airlines
Sun 8/317:42 pmSAN - FLG
1 stop3h 10mAmerican Airlines
Deal found 8/12$346
This American Airlines deal was found by Cheapflights users on 8/14. 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 9/38:00 amFLG - SAN
1 stop3h 57mAmerican Airlines
Sat 9/66:20 amSAN - FLG
1 stop5h 05mAmerican Airlines
Deal found 8/14$366
This American Airlines deal was found by Cheapflights users on 8/12. 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 8/296:07 pmFLG - SAN
1 stop3h 48mAmerican Airlines
Mon 9/16:15 amSAN - FLG
1 stop3h 43mAmerican Airlines
Deal found 8/12$376
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Sat 8/308:15 amFLG - SAN
1 stop3h 44mAmerican Airlines
Mon 9/16:15 amSAN - FLG
1 stop3h 43mAmerican Airlines
Deal found 8/13$426
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Mon 9/16:07 pmFLG - SAN
1 stop3h 48mAmerican Airlines
Mon 9/86:20 amSAN - FLG
1 stop3h 38mAmerican Airlines
Deal found 8/14$446
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Thu 8/216:07 pmFLG - SAN
1 stop3h 48mAmerican Airlines
Sat 8/236:15 amSAN - FLG
1 stop3h 43mAmerican Airlines
Deal found 8/14$496
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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.
Wed 11/1210:10 amFLG - SAN
2 stops24h 40mAlaska Airlines
Sat 11/154:00 pmSAN - FLG
2 stops22h 34mAlaska Airlines
Deal found 8/14$834
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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.
Wed 9/310:38 amFLG - SAN
2 stops23h 15mAlaska Airlines
Sat 9/66:35 amSAN - FLG
2 stops10h 20mAlaska Airlines
Deal found 8/14$1,021
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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.
Fri 8/2910:30 amFLG - SAN
2 stops23h 23mAlaska Airlines
Sun 8/316:35 amSAN - FLG
2 stops11h 02mAlaska Airlines
Deal found 8/13$1,037

Cheapflights Fare Finder

 
Customize your flight search to find flights from Flagstaff 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 August 14, 2025.
Use the filters below to find and compare flights from Flagstaff to San Diego that are best for you.

Fly from

Flagstaff

Fly to

San Diego

Route

Depart

Return

Price

FlagstaffSan Diego

FLG - SAN

FLGSAN

Flagstaff Pulliam

Wed 11/12

4:04 pm-6:24 pm

1 stop3h 20m

San Diego

Sat 11/15

6:30 am-1:00 pm

1 stop5h 30m

$223

FlagstaffSan Diego

FLG - SAN

FLGSAN

Flagstaff Pulliam

Thu 10/16

6:20 pm-9:35 pm

1 stop3h 15m

San Diego

Sun 10/19

7:36 pm-10:54 pm

1 stop3h 18m

$316

FlagstaffSan Diego

FLG - SAN

FLGSAN

Flagstaff Pulliam

Fri 10/10

6:20 pm-9:35 pm

1 stop3h 15m

San Diego

Wed 10/15

6:15 am-9:46 am

1 stop3h 31m

$336

FlagstaffSan Diego

FLG - SAN

FLGSAN

Flagstaff Pulliam

Thu 8/28

8:15 am-11:59 am

1 stop3h 44m

San Diego

Sun 8/31

7:42 pm-10:52 pm

1 stop3h 10m

$346

FlagstaffSan Diego

FLG - SAN

FLGSAN

Flagstaff Pulliam

Fri 8/29

6:07 pm-9:55 pm

1 stop3h 48m

San Diego

Mon 9/1

6:15 am-9:58 am

1 stop3h 43m

$346

FlagstaffSan Diego

FLG - SAN

FLGSAN

Flagstaff Pulliam

Fri 8/29

6:07 pm-9:55 pm

1 stop3h 48m

San Diego

Sun 8/31

7:42 pm-10:52 pm

1 stop3h 10m

$346

FlagstaffSan Diego

FLG - SAN

FLGSAN

Flagstaff Pulliam

Wed 9/3

8:00 am-11:57 am

1 stop3h 57m

San Diego

Sat 9/6

6:20 am-11:25 am

1 stop5h 05m

$366

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Best time to book a flight from Flagstaff to San Diego

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

What is the cheapest time of day to fly from FLG to SAN?

Find hourly flight availability from Flagstaff to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 1% on flights from Flagstaff to San Diego by exploring options for tickets at noon.

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated August 14, 2025.
Read reviews from past customers who have flown American Airlines from Flagstaff to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Entertainment

6.9

Comfort

7.2

Boarding

7.5

Crew

8.0

Food

6.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Entertainment

6.9

Comfort

7.2

Boarding

7.5

Crew

8.0

Food

6.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.

Related info for your journey

Find useful and relevant information for your journey from Flagstaff 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 is the cheapest airline to fly from Flagstaff to San Diego round-trip?

    According to our current data, American Airlines ($285), offers the cheapest pricing from Flagstaff to San Diego. You may be able to fly from Flagstaff to San Diego for 39% less than the average price by searching for this airline.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Flagstaff to San Diego (average of $286). Flying from Flagstaff to San Diego in March is currently the most expensive (average of $366). 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
National City
Lemon Grove
Imperial Beach
Alpine

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Top airline flying from Flagstaff to San Diego

Discover the top airline that operate flights from Flagstaff 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$285Average$480FlexibilityNo cancel feeOn-time71%

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