$368+ Cheap flights from Monroe to San Diego (MLU - 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
MLU — SAN
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Monroe 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 Monroe to San Diego
Cheapest
Best
Last-minute
One-way
Cheapest flights from Monroe to San DiegoExplore the most affordable flight options available from Monroe to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Monroe to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 11/1010:08 am -
1 stop7h 33m
Sat 11/143:13 pm -
1 stop5h 52m
Deal found 9/15![American Airlines logo]()
$368
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Tue 11/176:00 am -
1 stop6h 18m
Sat 11/211:15 pm -
1 stop7h 20m
Deal found 9/12![American Airlines logo]()
$403
This American Airlines deal was found by Cheapflights users on 9/16. 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 11/275:40 am -
1 stop8h 32m
Mon 12/73:13 pm -
1 stop5h 23m
Deal found 9/16![American Airlines logo]()
$461
This American Airlines deal was found by Cheapflights users on 9/16. 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 11/275:40 am -
1 stop6h 43m
Sun 12/68:00 am -
1 stop8h 07m
Deal found 9/16![American Airlines logo]()
$496
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 9/161:44 pm -
1 stop8h 17m
Sun 9/203:05 pm -
1 stop5h 32m
Deal found 9/13![American Airlines logo]()
$782
Best flights from Monroe to San DiegoDiscover carefully curated flight deals from Monroe to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Monroe to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 11/1010:08 am -
1 stop7h 33m
Sat 11/143:13 pm -
1 stop5h 52m
Deal found 9/14![American Airlines logo]()
$368
This American Airlines deal was found by Cheapflights users on 9/16. 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 11/275:40 am -
1 stop8h 32m
Mon 12/73:13 pm -
1 stop5h 23m
Deal found 9/16![American Airlines logo]()
$461
This American Airlines deal was found by Cheapflights users on 9/16. 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 11/275:40 am -
1 stop6h 43m
Sun 12/68:00 am -
1 stop8h 07m
Deal found 9/16![American Airlines logo]()
$496
This American Airlines deal was found by Cheapflights users on 9/16. 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 11/86:40 pm -
1 stop7h 16m
Thu 11/1212:28 pm -
1 stop8h 08m
Deal found 9/16![American Airlines logo]()
$834
Last-minute flights from Monroe to San DiegoDiscover last-minute flight deals from Monroe to San Diego. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Monroe to San Diego. Data last updated September 17, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 9/161:44 pm -
1 stop8h 17m
Sun 9/203:05 pm -
1 stop5h 32m
Deal found 9/13![American Airlines logo]()
$782
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Sun 10/2510:14 am -
1 stop7h 22m
Thu 10/293:07 pm -
1 stop5h 29m
Deal found 9/12![American Airlines logo]()
$834
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Mon 10/266:00 am -
2 stops8h 18m
Thu 10/299:57 am -
2 stops10h 39m
Deal found 9/12![American Airlines logo]()
$1,020
One-way flights from Monroe to San DiegoSearch for one-way flight options from Monroe to San Diego. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Monroe to San Diego. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This American Airlines deal was found by Cheapflights users on 9/16. 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 11/2710:11 am -
1 stop6h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![American Airlines logo]()
$417
Find flight deals from Monroe to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Monroe (MLU) 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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $368 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Monroe 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 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from Monroe to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MonroeSan Diego
MLU Monroe Huenefeld - SAN San Diego
MLUSAN
Monroe Huenefeld
Tue 11/10
10:08 am-3:41 pm
1 stop7h 33m
San Diego
Sat 11/14
3:13 pm-11:05 pm
1 stop5h 52m
$368
Quickest round-trip
MonroeSan Diego
MLU Monroe Huenefeld - SAN San Diego
MLUSAN
Monroe Huenefeld
Fri 11/27
5:40 am-12:04 pm
2 stops8h 24m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$423
MonroeSan Diego
MLU Monroe Huenefeld - SAN San Diego
MLUSAN
Monroe Huenefeld
Fri 11/27
5:40 am-12:12 pm
1 stop8h 32m
San Diego
Mon 12/7
3:13 pm-10:36 pm
1 stop5h 23m
$461
MonroeSan Diego
MLU Monroe Huenefeld - SAN San Diego
MLUSAN
Monroe Huenefeld
Fri 11/27
5:40 am-10:23 am
1 stop6h 43m
San Diego
Sun 12/6
8:00 am-6:07 pm
1 stop8h 07m
$496
MonroeSan Diego
MLU Monroe Huenefeld - SAN San Diego
MLUSAN
Monroe Huenefeld
Sun 11/8
6:40 pm-11:56 pm
1 stop7h 16m
San Diego
Thu 11/12
12:28 pm-10:36 pm
1 stop8h 08m
$834
Sorted by cheapest first
Compare providers for flights from Monroe 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 Monroe to San Diego in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Monroe-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Monroe-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Monroe-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Monroe-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 Monroe-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 Monroe to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Monroe with our price prediction graph.
MLU-SAN
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.
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 September 17, 2026.
Read reviews from past customers who have flown American Airlines from Monroe 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.
Entertainment
6.8
Overall
7.1
Comfort
7.2
Food
6.4
Boarding
7.4
Crew
7.9
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2026
MIA - SFO
Entertainment
6.8
Overall
7.1
Comfort
7.2
Food
6.4
Boarding
7.4
Crew
7.9
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2026
MIA - SFO
Related info for your journey
Find useful and relevant information for your journey from Monroe to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
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Monroe and San Diego flights
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Other flights from Monroe
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Top airline flying from Monroe to San Diego
Discover the top airline that operate flights from Monroe 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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$338 | Average$542 | FlexibilityNo cancel fee | On-time71% |