$342 Cheap Flights from Dubuque (DBQ) to San Antonio (SAT)

View $342 flight on Sun, Nov 2, 2025Opens in a new window

Popular airlines from Dubuque, IA (DBQ-Dubuque Regional) to San Antonio International Airport (SAT)

Cheap Flights from Dubuque to San Antonio (DBQ-SAT)

Prices were available within the past 7 days and start at $342 for one-way flights and $475 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KEY LIME AIR DBA DENVER AIR CONNECTION
Tue, Oct 7 - Sun, Oct 12
DBQ
Dubuque
SAT
San Antonio
$475 Roundtrip, found 4 days ago
$475
Roundtrip
found 4 days ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Tue, Oct 7 from Dubuque to San Antonio, returning Sun, Oct 12, priced at $475 found 4 days ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Wed, Oct 1 - Sat, Oct 11
DBQ
Dubuque
SAT
San Antonio
$476 Roundtrip, found 4 days ago
$476
Roundtrip
found 4 days ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Wed, Oct 1 from Dubuque to San Antonio, returning Sat, Oct 11, priced at $476 found 4 days ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Thu, Oct 2 - Tue, Oct 7
DBQ
Dubuque
SAT
San Antonio
$485 Roundtrip, found 4 days ago
$485
Roundtrip
found 4 days ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Thu, Oct 2 from Dubuque to San Antonio, returning Tue, Oct 7, priced at $485 found 4 days ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Wed, Oct 1 - Tue, Oct 7
DBQ
Dubuque
SAT
San Antonio
$486 Roundtrip, found 4 days ago
$486
Roundtrip
found 4 days ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Wed, Oct 1 from Dubuque to San Antonio, returning Tue, Oct 7, priced at $486 found 4 days ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Mon, Oct 6 - Tue, Oct 7
DBQ
Dubuque
SAT
San Antonio
$495 Roundtrip, found 4 days ago
$495
Roundtrip
found 4 days ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Mon, Oct 6 from Dubuque to San Antonio, returning Tue, Oct 7, priced at $495 found 4 days ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Mon, Oct 6 - Wed, Oct 8
DBQ
Dubuque
SAT
San Antonio
$496 Roundtrip, found 4 days ago
$496
Roundtrip
found 4 days ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Mon, Oct 6 from Dubuque to San Antonio, returning Wed, Oct 8, priced at $496 found 4 days ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Sat, Oct 4 - Sun, Oct 12
DBQ
Dubuque
SAT
San Antonio
$505 Roundtrip, found 4 days ago
$505
Roundtrip
found 4 days ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Sat, Oct 4 from Dubuque to San Antonio, returning Sun, Oct 12, priced at $505 found 4 days ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Sat, Oct 4 - Tue, Oct 7
DBQ
Dubuque
SAT
San Antonio
$515 Roundtrip, found 4 days ago
$515
Roundtrip
found 4 days ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Sat, Oct 4 from Dubuque to San Antonio, returning Tue, Oct 7, priced at $515 found 4 days ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Sat, Oct 4 - Wed, Oct 8
DBQ
Dubuque
SAT
San Antonio
$516 Roundtrip, found 4 days ago
$516
Roundtrip
found 4 days ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Sat, Oct 4 from Dubuque to San Antonio, returning Wed, Oct 8, priced at $516 found 4 days ago
KEY LIME AIR DBA DENVER AIR CONNECTION
Wed, Nov 26 - Sat, Dec 6
DBQ
Dubuque
SAT
San Antonio
$530 Roundtrip, found 5 days ago
$530
Roundtrip
found 5 days ago
Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Wed, Nov 26 from Dubuque to San Antonio, returning Sat, Dec 6, priced at $530 found 5 days ago
Flights from Dubuque (DBQ) to San Antonio (SAT)
Origin airport
Dubuque Regional
Destination airport
San Antonio Intl.
Roundtrip price
$474
Distance
988 mi

Dubuque to San Antonio Flights

The cheapest times to fly from Dubuque to San Antonio

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Dubuque to San Antonio are during the month of October. You can find some of the cheapest flights from Dubuque to San Antonio with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Dubuque to San Antonio

Sunday is one of the best days to book for cheap flights from Dubuque to San Antonio: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Dubuque to San Antonio

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Dubuque to San Antonio in 2025. You can also book with separate airlines for your outbound and return journeys, from $342 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Dubuque to San Antonio flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Dubuque to San Antonio airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Dubuque Regional Airport (DBQ) to San Antonio Intl. Airport (SAT) cost?
Snag a cheap one-way flight from $342 or cheap return flight from $475 from Dubuque Regional Airport (DBQ) to San Antonio Intl. Airport (SAT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Dubuque Regional Airport (DBQ) to San Antonio Intl. Airport (SAT)?
Planning your trip for October can help you save, as it's the cheapest month for flights between DBQ and SAT. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Dubuque Regional Airport (DBQ) to San Antonio Intl. Airport (SAT)?
To find the cheapest airline flying from DBQ to SAT, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Dubuque Regional Airport (DBQ) to San Antonio Intl. Airport (SAT)?
There are no daily direct flights from Dubuque Regional Airport (DBQ) to San Antonio Intl. Airport (SAT). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from DBQ to SAT?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Dubuque Regional Airport (DBQ) to San Antonio Intl. Airport (SAT)?
To arrive at San Antonio Intl. Airport (SAT) without delays, opt for a flight that leaves from Dubuque Regional Airport (DBQ) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Dubuque Regional Airport (DBQ) to San Antonio Intl. Airport (SAT) last-minute?
Last-minute bookings from DBQ to SAT are usually more expensive. For the lowest rates, start searching for flights ahead of time. That said, if you're flexible with your travel plans, you may find a cheap fare just before your departure.
Is it cheaper to book a DBQ to SAT flight and hotel package?
Opting for a DBQ to SAT flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our wide range of accommodations and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Dubuque Regional Airport (DBQ) to San Antonio Intl. Airport (SAT)?
If you reserved your DBQ to SAT flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

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*Available to One Key members.