$292+ Cheap flights from Montgomery to San Diego (MGM - 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
MGM — SAN
Oct 4 — Oct 111
Round-trip
1 adult, Economy
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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
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Cheapest flights from Montgomery to San DiegoExplore the most affordable flight options available from Montgomery to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
Explore the most affordable flight options available from Montgomery to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Sat 10/31:17 pm -
1 stop6h 29m
Sat 10/108:00 am -
1 stop6h 17m
Deal found 8/30![United Airlines logo]()
$292
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Tue 12/14:55 pm -
1 stop6h 37m
Wed 12/911:25 am -
1 stop9h 02m
Deal found 9/2![United Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Tue 12/14:55 pm -
1 stop6h 37m
Sun 12/61:20 pm -
1 stop7h 07m
Deal found 9/2![United Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 8/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:19 pm -
1 stop8h 41m
Wed 10/72:10 pm -
1 stop7h 10m
Deal found 8/31![Delta logo]()
$343
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Fri 10/231:17 pm -
1 stop6h 29m
Mon 10/268:05 am -
1 stop6h 15m
Deal found 8/30![United Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/241:17 pm -
1 stop6h 29m
Thu 10/16:15 am -
2 stops8h 02m
Deal found 9/2![United Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 9/3. 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 11/54:55 pm -
1 stop6h 31m
Tue 11/106:20 am -
2 stops8h 00m
Deal found 9/3![United Airlines logo]()
$366
This American Airlines deal was found by Cheapflights users on 9/2. 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 9/247:25 pm -
1 stop6h 30m
Thu 10/11:50 pm -
1 stop6h 18m
Deal found 9/2![American Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Tue 9/14:53 pm -
1 stop6h 32m
Wed 10/76:15 am -
2 stops8h 02m
Deal found 8/31![United Airlines logo]()
$381
Best flights from Montgomery to San DiegoDiscover carefully curated flight deals from Montgomery to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
Discover carefully curated flight deals from Montgomery to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
This United Airlines deal was found by Cheapflights users on 9/1. 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 12/26:30 am -
2 stops12h 40m
Sun 12/61:20 pm -
1 stop7h 07m
Deal found 9/1![United Airlines logo]()
$343
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Fri 10/231:17 pm -
1 stop6h 29m
Mon 10/268:05 am -
1 stop6h 15m
Deal found 8/30![United Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Sat 10/244:53 pm -
1 stop6h 31m
Wed 10/288:05 am -
1 stop6h 15m
Deal found 9/1![United Airlines logo]()
$392
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Sat 10/171:17 pm -
2 stops8h 51m
Sun 10/256:20 am -
2 stops8h 00m
Deal found 9/2![United Airlines logo]()
$423
This United Airlines deal was found by Cheapflights users on 8/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:17 pm -
1 stop6h 29m
Tue 9/296:15 am -
2 stops8h 02m
Deal found 8/29![United Airlines logo]()
$426
Last-minute flights from Montgomery to San DiegoDiscover last-minute flight deals from Montgomery to San Diego. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Montgomery to San Diego. Data last updated September 4, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:10 pm -
1 stop8h 25m
Tue 9/810:30 pm -
1 stop8h 33m
Deal found 8/31![Delta logo]()
$394
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/241:17 pm -
1 stop6h 29m
Thu 10/16:15 am -
2 stops8h 02m
Deal found 9/2![United Airlines logo]()
$354
This American Airlines deal was found by Cheapflights users on 9/2. 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 9/247:25 pm -
1 stop6h 30m
Thu 10/11:50 pm -
1 stop6h 18m
Deal found 9/2![American Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Sat 10/31:17 pm -
1 stop6h 29m
Sat 10/108:00 am -
1 stop6h 17m
Deal found 8/30![United Airlines logo]()
$292
This American Airlines deal was found by Cheapflights users on 8/31. 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 10/1712:36 pm -
2 stops11h 10m
Thu 10/221:53 pm -
1 stop6h 47m
Deal found 8/31![American Airlines logo]()
$406
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Sat 10/171:17 pm -
1 stop6h 29m
Sun 10/258:05 am -
1 stop6h 15m
Deal found 9/2![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Fri 10/231:17 pm -
1 stop6h 29m
Mon 10/268:05 am -
1 stop6h 15m
Deal found 8/30![United Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Sat 10/244:53 pm -
1 stop6h 31m
Wed 10/288:05 am -
1 stop6h 15m
Deal found 9/1![United Airlines logo]()
$392
One-way flights from Montgomery to San DiegoSearch for one-way flight options from Montgomery to San Diego. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
Search for one-way flight options from Montgomery to San Diego. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
This United Airlines deal was found by Cheapflights users on 8/30. 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 10/151:17 pm -
1 stop10h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/30![United Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:31 pm -
1 stop8h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$373
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/241:17 pm -
2 stops8h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/1. 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 10/84:53 pm -
3 stops46h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![United Airlines logo]()
$612
Find flight deals from Montgomery to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Montgomery (MGM) 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 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $292 (United Airlines) |
Popular in | October |
Cheapest in | December |
Average price | $736 |
Cheapflights Fare Finder
Customize your flight search to find flights from Montgomery 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 4, 2026.
Use the filters below to find and compare flights from Montgomery to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MontgomerySan Diego
MGM Montgomery Dannelly Field - SAN San Diego
MGMSAN
Montgomery Dannelly Field
Thu 10/15
1:17 pm-9:24 pm
1 stop10h 07m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$343
MontgomerySan Diego
MGM Montgomery Dannelly Field - SAN San Diego
MGMSAN
Montgomery Dannelly Field
Wed 12/2
6:30 am-5:10 pm
2 stops12h 40m
San Diego
Sun 12/6
1:20 pm-10:27 pm
1 stop7h 07m
$343
MontgomerySan Diego
MGM Montgomery Dannelly Field - SAN San Diego
MGMSAN
Montgomery Dannelly Field
Fri 10/23
1:17 pm-5:46 pm
1 stop6h 29m
San Diego
Mon 10/26
8:05 am-4:20 pm
1 stop6h 15m
$348
MontgomerySan Diego
MGM Montgomery Dannelly Field - SAN San Diego
MGMSAN
Montgomery Dannelly Field
Thu 9/24
12:31 pm-7:26 pm
1 stop8h 55m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$373
Quickest round-trip
MontgomerySan Diego
MGM Montgomery Dannelly Field - SAN San Diego
MGMSAN
Montgomery Dannelly Field
Thu 10/8
1:17 pm-5:46 pm
1 stop6h 29m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$373
MontgomerySan Diego
MGM Montgomery Dannelly Field - SAN San Diego
MGMSAN
Montgomery Dannelly Field
Thu 9/24
1:17 pm-8:08 pm
2 stops8h 51m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$379
MontgomerySan Diego
MGM Montgomery Dannelly Field - SAN San Diego
MGMSAN
Montgomery Dannelly Field
Sat 10/24
4:53 pm-9:24 pm
1 stop6h 31m
San Diego
Wed 10/28
8:05 am-4:20 pm
1 stop6h 15m
$392
MontgomerySan Diego
MGM Montgomery Dannelly Field - SAN San Diego
MGMSAN
Montgomery Dannelly Field
Sat 10/17
1:17 pm-8:08 pm
2 stops8h 51m
San Diego
Sun 10/25
6:20 am-4:20 pm
2 stops8h 00m
$423
MontgomerySan Diego
MGM Montgomery Dannelly Field - SAN San Diego
MGMSAN
Montgomery Dannelly Field
Sat 9/26
1:17 pm-5:46 pm
1 stop6h 29m
San Diego
Tue 9/29
6:15 am-4:17 pm
2 stops8h 02m
$426
Sorted by cheapest first
Compare providers for flights from Montgomery 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 Montgomery 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 Montgomery-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Montgomery-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Montgomery-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Montgomery-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 Montgomery-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 Montgomery to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Montgomery with our price prediction graph.
MGM-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.
Cheapflights Insights
Everything you need to know about your flight from Montgomery 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 September 4, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Montgomery to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
7.8
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Overall
7.8
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Overall
7.8
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Overall
7.8
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Montgomery 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?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
Coronado
Poway
San Ysidro
La Mesa
Santee
Julian
Lemon Grove
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Find flights from Montgomery to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Montgomery and San Diego flights
Browse other Montgomery and San Diego flight options. Last updated on September 4, 2026.
Other flights from Montgomery
Browse through other flights departing from Montgomery. Flights are based on user searches made on Cheapflights and were last updated on September 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Diego
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 4, 2026.
Top 3 airlines flying from Montgomery to San Diego
Discover the top 3 airlines that operate flights from Montgomery 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 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$298 | Average$388 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$298 | Average$478 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$328 | Average$591 | FlexibilityNo cancel fee | On-time71% |