$522+ Cheap flights from Marion, IL to San Diego (MWA - 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
MWA — SAN
Nov 29 — Dec 61
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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Best
Last-minute
Cheapest flights from Marion to San DiegoExplore the most affordable flight options available from Marion to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Marion to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:05 am -
1 stop7h 34m
Wed 11/181:29 pm -
1 stop8h 58m
Deal found 10/30![American Airlines logo]()
$522
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:45 am -
1 stop8h 01m
Tue 12/11:36 pm -
1 stop8h 55m
Deal found 10/30![American Airlines logo]()
$544
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 11/116:45 am -
1 stop7h 54m
Sun 11/1510:40 pm -
1 stop9h 15m
Deal found 10/26![American Airlines logo]()
$646
Best flights from Marion to San DiegoDiscover carefully curated flight deals from Marion to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Marion to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:05 am -
1 stop7h 34m
Wed 11/181:29 pm -
1 stop8h 58m
Deal found 10/30![American Airlines logo]()
$522
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:45 am -
1 stop8h 01m
Tue 12/11:36 pm -
1 stop8h 55m
Deal found 10/30![American Airlines logo]()
$544
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 11/116:45 am -
1 stop7h 54m
Sun 11/1510:40 pm -
1 stop9h 15m
Deal found 10/26![American Airlines logo]()
$646
Last-minute flights from Marion to San DiegoDiscover last-minute flight deals from Marion to San Diego. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Marion to San Diego. Data last updated October 30, 2026 and is based on user searches.
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 11/116:45 am -
1 stop7h 54m
Sun 11/1510:40 pm -
1 stop9h 15m
Deal found 10/26![American Airlines logo]()
$646
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:05 am -
1 stop7h 34m
Wed 11/181:29 pm -
1 stop8h 58m
Deal found 10/30![American Airlines logo]()
$522
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:45 am -
1 stop8h 01m
Tue 12/11:36 pm -
1 stop8h 55m
Deal found 10/30![American Airlines logo]()
$544
Find flight deals from Marion to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Marion (MWA) 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 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $522 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Marion 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 October 30, 2026.
Use the filters below to find and compare flights from Marion to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
MarionSan Diego
MWA Marion Williamson County - SAN San Diego
MWASAN
Marion Williamson County
Sat 11/14
7:05 am-12:39 pm
1 stop7h 34m
San Diego
Wed 11/18
1:29 pm-12:27 am
1 stop8h 58m
$522
MarionSan Diego
MWA Marion Williamson County - SAN San Diego
MWASAN
Marion Williamson County
Sun 11/22
6:45 am-12:46 pm
1 stop8h 01m
San Diego
Tue 12/1
1:36 pm-12:31 am
1 stop8h 55m
$544
MarionSan Diego
MWA Marion Williamson County - SAN San Diego
MWASAN
Marion Williamson County
Wed 11/11
6:45 am-12:39 pm
1 stop7h 54m
San Diego
Sun 11/15
10:40 pm-9:55 am
1 stop9h 15m
$646
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Marion, Illinois-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Marion, Illinois-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Marion, Illinois-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Marion, Illinois-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 Marion, Illinois-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 Marion to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Marion with our price prediction graph.
MWA-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.
Related info for your journey
Find useful and relevant information for your journey from Marion to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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