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$366+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
FLG — SAN
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Find cheap flights from Flagstaff to San Diego with Cheapflights

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Cheap 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 January 29, 2026.

This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:50 pm
FLG
-
SAN
1 stop4h 49m
American Airlines
Sun 3/89:53 am
SAN
-
FLG
1 stop6h 26m
American Airlines
Deal found 1/27$366
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/225:50 pm
FLG
-
SAN
1 stop4h 49m
American Airlines
Fri 3/64:45 pm
SAN
-
FLG
1 stop6h 14m
American Airlines
Deal found 1/27$406
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:50 pm
FLG
-
SAN
1 stop4h 49m
American Airlines
Thu 3/57:42 pm
SAN
-
FLG
1 stop3h 17m
American Airlines
Deal found 1/27$416
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/211:21 pm
FLG
-
SAN
1 stop3h 39m
American Airlines
Wed 3/41:09 pm
SAN
-
FLG
1 stop3h 10m
American Airlines
Deal found 1/27$466
This American Airlines deal was found by Cheapflights users on 1/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:27 pm
FLG
-
SAN
1 stop3h 09m
American Airlines
Sun 5/316:18 am
SAN
-
FLG
1 stop3h 31m
American Airlines
Deal found 1/29$486
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:41 am
FLG
-
SAN
1 stop4h 06m
American Airlines
Wed 5/67:20 pm
SAN
-
FLG
1 stop3h 37m
American Airlines
Deal found 1/28$498
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/296:05 pm
FLG
-
SAN
1 stop4h 53m
American Airlines
Thu 2/57:30 pm
SAN
-
FLG
1 stop3h 14m
American Airlines
Deal found 1/28$591
This American Airlines deal was found by Cheapflights users on 1/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/306:05 pm
FLG
-
SAN
1 stop4h 53m
American Airlines
Sat 1/3112:46 pm
SAN
-
FLG
1 stop3h 45m
American Airlines
Deal found 1/29$666
This Alaska Airlines deal was found by Cheapflights users on 1/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/297:00 am
FLG
-
SAN
2 stops28h 22m
Alaska Airlines
Sun 5/315:10 pm
SAN
-
FLG
2 stops24h 34m
Alaska Airlines
Deal found 1/29$825

Find 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$366
(American Airlines)

Popular in

March

Cheapest in

January

Average price

$305
Provider with most accurate pricing for Flagstaff Pulliam-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Flagstaff Pulliam-San Diego flights.
Search Deals
From Flagstaff Pulliam to San Diego
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 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 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 January 29, 2026.
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

Tue 2/24

1:21 pm-4:00 pm

1 stop3h 39m

San Diego

Mon 3/9

1:16 pm-4:19 pm

1 stop3h 03m

$366

FlagstaffSan Diego

FLG - SAN

FLGSAN

Flagstaff Pulliam

Fri 2/20

5:50 pm-9:39 pm

1 stop4h 49m

San Diego

Tue 3/3

1:09 pm-5:19 pm

1 stop3h 10m

$366

FlagstaffSan Diego

FLG - SAN

FLGSAN

Flagstaff Pulliam

Thu 2/12

1:21 pm-4:00 pm

1 stop3h 39m

San Diego

Sun 2/15

7:42 pm-11:59 pm

1 stop3h 17m

$366

FlagstaffSan Diego

FLG - SAN

FLGSAN

Flagstaff Pulliam

Thu 2/19

1:21 pm-6:52 pm

1 stop6h 31m

San Diego

Mon 3/9

1:16 pm-4:19 pm

1 stop3h 03m

$366

FlagstaffSan Diego

FLG - SAN

FLGSAN

Flagstaff Pulliam

Fri 2/20

1:21 pm-6:52 pm

1 stop6h 31m

San Diego

Sun 3/8

1:16 pm-4:19 pm

1 stop3h 03m

$366

FlagstaffSan Diego

FLG - SAN

FLGSAN

Flagstaff Pulliam

Thu 2/19

5:50 pm-9:39 pm

1 stop4h 49m

San Diego

Sun 3/8

9:53 am-4:19 pm

1 stop6h 26m

$366

FlagstaffSan Diego

FLG - SAN

FLGSAN

Flagstaff Pulliam

Tue 2/24

7:00 am-12:03 pm

1 stop6h 03m

San Diego

Wed 3/4

1:09 pm-5:19 pm

1 stop3h 10m

$416

FlagstaffSan Diego

FLG - SAN

FLGSAN

Flagstaff Pulliam

Sat 2/21

5:50 pm-8:14 pm

1 stop3h 24m

San Diego

Sun 3/8

9:53 am-4:19 pm

1 stop6h 26m

$416

FlagstaffSan Diego

FLG - SAN

FLGSAN

Flagstaff Pulliam

Mon 2/23

1:21 pm-4:00 pm

1 stop3h 39m

San Diego

Mon 3/9

9:53 am-4:19 pm

1 stop6h 26m

$416

FlagstaffSan Diego

FLG - SAN

FLGSAN

Flagstaff Pulliam

Sun 2/22

5:50 pm-9:39 pm

1 stop4h 49m

San Diego

Tue 3/3

1:09 pm-5:19 pm

1 stop3h 10m

$416

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 13 results
1
2

Compare providers for flights from Flagstaff to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Flagstaff to San Diego in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Flagstaff-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Flagstaff-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Flagstaff-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Flagstaff-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Flagstaff-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 month to book a flight from Flagstaff to San Diego?

Currently, February is the cheapest month in which you can book a flight from Flagstaff to San Diego (average of $219). Flying from Flagstaff to San Diego in March is currently the most expensive (average of $420). 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 Flagstaff to San Diego?

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 January 29, 2026.
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
11,206 reviews

Crew

8.0

Food

6.4

Entertainment

6.9

Overall

7.2

Boarding

7.5

Comfort

7.2

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
11,206 reviews
American Airlines
7.2
Good
11,206 reviews

Crew

8.0

Food

6.4

Entertainment

6.9

Overall

7.2

Boarding

7.5

Comfort

7.2

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.

  • How long is the flight from Flagstaff to San Diego?

    There are many flights that can get you from Flagstaff to San Diego in 3h 39m. Fly via American Airlines to get the fastest option. Airlines will cover a distance of 357 mi.

  • 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 31% 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, February is the cheapest month in which you can book a flight from Flagstaff to San Diego (average of $219). Flying from Flagstaff to San Diego in March is currently the most expensive (average of $420). 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

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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$285Average$395FlexibilityNo cancel feeOn-time71%

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