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$153+ Cheap flights from Flint to San Diego (FNT - 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
FNT — SAN
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find cheap flights from Flint to San Diego with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Flint Bishop to San Diego are usually found in July or April, booked 88 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Find flight deals from Flint to San Diego

Cheapest flights from Flint to San Diego
Explore the most affordable flight options available from Flint to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/142:00 pmFNT - SAN
1 stop12h 48mMultiple Airlines
Sat 11/228:39 amSAN - FNT
1 stop29h 06mMultiple Airlines
Deal found 10/28$332
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Mon 11/172:15 pmFNT - SAN
1 stop7h 35mUnited Airlines
Mon 11/2410:00 pmSAN - FNT
2 stops12h 25mUnited Airlines
Deal found 10/26$339
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/167:30 amFNT - SAN
1 stop12h 10mMultiple Airlines
Thu 11/208:39 amSAN - FNT
2 stops35h 22mMultiple Airlines
Deal found 10/25$348
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/102:00 pmFNT - SAN
2 stops33h 24mMultiple Airlines
Fri 11/148:30 amSAN - FNT
1 stop11h 42mMultiple Airlines
Deal found 10/25$365
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/177:50 pmFNT - SAN
1 stop18h 00mAmerican Airlines
Mon 11/246:20 amSAN - FNT
1 stop10h 00mAmerican Airlines
Deal found 10/26$375
This American Airlines deal was found by Cheapflights users on 10/26. 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 11/126:00 amFNT - SAN
1 stop7h 50mAmerican Airlines
Sun 11/166:19 amSAN - FNT
1 stop13h 41mAmerican Airlines
Deal found 10/26$376
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Thu 11/134:42 pmFNT - SAN
1 stop8h 38mUnited Airlines
Sun 11/1610:00 pmSAN - FNT
2 stops12h 25mUnited Airlines
Deal found 10/26$409
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Wed 11/122:15 pmFNT - SAN
2 stops9h 39mUnited Airlines
Sun 11/1610:00 pmSAN - FNT
2 stops12h 25mUnited Airlines
Deal found 10/26$414
This American Airlines deal was found by Cheapflights users on 10/26. 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 12/255:49 amFNT - SAN
2 stops12h 35mAmerican Airlines
Mon 1/510:01 pmSAN - FNT
2 stops12h 10mAmerican Airlines
Deal found 10/26$418

Cheap flight deals from Flint to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Flint (FNT) 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$289
(American Airlines)

One-way from

$153
(Kiwi.com)

Popular in

December

Cheapest in

July

Average price

$453
Provider with most accurate pricing for Flint Bishop-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Flint Bishop-San Diego flights.
Search Deals
From Flint Bishop to San Diego
Search Deals
One-way flight from Flint Bishop to San Diego
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 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 Flint 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 October 28, 2025.
Use the filters below to find and compare flights from Flint to San Diego that are best for you.

Fly from

Flint

Fly to

San Diego

Route

Depart

Return

Price

FlintSan Diego

FNT - SAN

FNTSAN

Flint Bishop

Wed 1/14

6:30 am-1:08 pm

1 stop9h 38m

San Diego

Tue 1/20

6:20 am-6:44 pm

1 stop9h 24m

$289

FlintSan Diego

FNT - SAN

FNTSAN

Flint Bishop

Mon 1/5

7:00 am-8:16 pm

2 stops16h 16m

San Diego

Fri 1/16

7:00 am-5:09 pm

1 stop7h 09m

$294

FlintSan Diego

FNT - SAN

FNTSAN

Flint Bishop

Fri 11/14

2:00 pm-11:48 pm

1 stop12h 48m

San Diego

Sat 11/22

8:39 am-4:45 pm

1 stop29h 06m

$332

FlintSan Diego

FNT - SAN

FNTSAN

Flint Bishop

Mon 11/17

2:15 pm-7:52 pm

2 stops8h 37m

San Diego

Mon 11/24

10:00 pm-1:25 pm

2 stops12h 25m

$364

FlintSan Diego

FNT - SAN

FNTSAN

Flint Bishop

Mon 11/10

2:00 pm-8:24 pm

2 stops33h 24m

San Diego

Fri 11/14

8:30 am-11:12 pm

1 stop11h 42m

$365

FlintSan Diego

FNT - SAN

FNTSAN

Flint Bishop

Sun 11/16

3:57 pm-8:24 pm

3 stops55h 27m

$153

FlintSan Diego

FNT - SAN

FNTSAN

Flint Bishop

Sun 11/16

5:30 am-2:15 pm

1 stop11h 45m

$212

FlintSan Diego

FNT - SAN

FNTSAN

Flint Bishop

Sun 11/16

4:42 pm-10:20 pm

1 stop8h 38m

$675

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Compare providers for flights from Flint 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 Flint to San Diego in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 Flint-San Diego flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Flint-San Diego flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Flint-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Flint-San Diego flights, Cheapflights users trust eDreams the most. eDreams 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 Flint-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 Flint to San Diego

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

How far ahead should I book a flight from Flint to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Flint to San Diego. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from Flint to San Diego, you should look to book at least 88 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Flint to San Diego?

Currently, August is the cheapest month in which you can book a flight from Flint to San Diego (average of $104). Flying from Flint to San Diego in December is currently the most expensive (average of $170). 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.

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

Find hourly flight availability from Flint 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 October 28, 2025.

A simple way to save on the total cost of your ticket is to fly from Flint to San Diego at noon. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight in the evening.

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 October 28, 2025.
Read reviews from past customers who have flown United Airlines and American Airlines from Flint 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.
United Airlines
7.4
Good
9,001 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,001 reviews
United Airlines
7.4
Good
9,001 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
American Airlines
7.2
Good
11,032 reviews
United Airlines
7.4
Good
9,001 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Flint 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 Flint to San Diego?

    Airlines like American Airlines and United Airlines fly from Flint to San Diego in about 9h 38m. The time it takes to get you to your destination can typically vary by up to 6h 38m. There are 1940 mi between Flint and San Diego. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Flint to San Diego round-trip?

    American Airlines, at $288, was found to be the cheapest airline from Flint to San Diego. An alternate airline flying to your destination would be United Airlines. American Airlines is currently priced 31% below the average price you’ll pay for this route.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Flint to San Diego (average of $104). Flying from Flint to San Diego in December is currently the most expensive (average of $170). 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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Top 2 airlines flying from Flint to San Diego

Discover the top 2 airlines that operate flights from Flint 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$385FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$404FlexibilityNo cancel feeOn-time69%

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