$143 Cheap Frontier Airlines flights Detroit (DTW) to San Diego (SAN)

View $143 flight on Fri, Jul 18, 2025Opens in a new window

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$143 Cheap Frontier Airlines flights Detroit (DTW) to San Diego (SAN)

Prices were available within the past 7 days and start at $143 for one-way flights and $206 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Jul 14 - Wed, Jul 16
DTW
Detroit
SAN
San Diego
$206 Roundtrip, just found
$206
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Jul 14 from Detroit to San Diego, returning Wed, Jul 16, priced at $206 just found
Frontier Airlines
Tue, Jul 15 - Thu, Jul 17
DTW
Detroit
SAN
San Diego
$286 Roundtrip, just found
$286
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Jul 15 from Detroit to San Diego, returning Thu, Jul 17, priced at $286 just found
Flights from Detroit (DTW) to San Diego (SAN)
Origin airport
Detroit Metropolitan Wayne County
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Popular airline
Spirit Airlines
Distance
1953 mi
Average flight time
1 hour 39 mins

Frequently asked questions

How much is a Frontier Airlines flight from Detroit Metropolitan Wayne County Airport (DTW) to San Diego Intl. Airport (SAN)?
Grab cheap round-trip Frontier Airlines flights from $206 from DTW to SAN by organizing your results from "Price (lowest to highest)" on Expedia. Or look for deals from $143 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DTW to SAN with Frontier Airlines?
Search for one-way or round-trip flights to San Diego in January or November. You could find an affordable fare with Frontier Airlines during these off-season months.
What is the cheapest time to book flights from Detroit Metropolitan Wayne County Airport (DTW) to San Diego Intl. Airport (SAN) with Frontier Airlines?
Begin your search one to three months ahead of your departure date to find cheaper fares on Frontier Airlines flights from Detroit Metropolitan Wayne County Airport (DTW) to San Diego Intl. Airport (SAN). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Frontier Airlines fly nonstop from Detroit Metropolitan Wayne County Airport (DTW) to San Diego Intl. Airport (SAN)?
Click on our "Nonstop" filter when browsing for direct Frontier Airlines flights from DTW to SAN. It's also a great way to compare other carriers servicing the same direct trip.
What is the earliest Frontier Airlines flight from DTW to SAN?
Search Frontier Airlines's earliest flights from DTW to SAN by checking the "Morning" and "Early Morning" filters. Not only will you get to where you're going sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Frontier Airlines fly into in San Diego?
San Diego Intl. Airport (SAN) is the primary San Diego hub for Frontier Airlines flights from Detroit Metropolitan Wayne County Airport (DTW).
Why fly with Frontier Airlines from DTW to SAN?
With a rewarding loyalty program, Frontier Airlines is a top choice for many passengers departing from DTW to SAN. Plus, as a Frontier Miles and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Frontier Airlines flight from Detroit Metropolitan Wayne County Airport (DTW) to San Diego Intl. Airport (SAN)?
Depending on your ticket type, a fee will generally apply if you change or cancel your flight more than 24 hours after it's been confirmed. To secure flexible fares, select our "No cancel fee" or "Changes included" filter when searching for flights. For more information on canceling or changing your reservation, head to "Trips," select your flight and click on "Manage Booking."

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*Available to One Key members.