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Cheap flights from Key West to Austin from $110

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Key West to Austin departing on 12/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

American Airlines Logo
7:59 pm - 12:07 amEYW-AUS
5h 08m1 stop
American Airlines Logo
9:30 am - 4:05 pmAUS-EYW
5h 35m1 stop
$345American Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10
American Airlines Logo
7:59 pm - 12:07 amEYW-AUS
5h 08m1 stop
American Airlines Logo
1:45 pm - 11:59 pmAUS-EYW
9h 14m2 stops
$351American Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10
Spirit Airlines Logo
2:25 pm - 11:12 pmEYW-AUS
9h 47m1 stop
Spirit Airlines Logo
5:45 am - 1:30 pmAUS-EYW
6h 45m1 stop
$422Spirit Airlines
Find Deal
Mon, Dec 8 - Fri, Dec 12
American Airlines Logo
3:57 pm - 10:54 pmEYW-AUS
7h 57m2 stops
American Airlines Logo
5:00 am - 4:29 pmAUS-EYW
10h 29m2 stops
$442American Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10
Spirit Airlines Logo
2:25 pm - 11:12 pmEYW-AUS
9h 47m1 stop
Spirit Airlines Logo
5:45 am - 1:30 pmAUS-EYW
6h 45m1 stop
$702Spirit Airlines
Find Deal
Mon, Dec 8 - Fri, Dec 12
American Airlines Logo
7:00 am - 1:02 pmEYW-AUS
7h 02m2 stops
American Airlines Logo
8:22 am - 5:52 pmAUS-EYW
8h 30m1 stop
$1,201American Airlines
Find Deal
Mon, Dec 8 - Fri, Dec 12
United Airlines Logo
3:53 pm - 3:45 pmEYW-AUS
24h 52m1 stop
United Airlines Logo
7:44 pm - 3:09 pmAUS-EYW
18h 25m2 stops
$2,676United Airlines
Find Deal
Mon, Dec 8 - Fri, Dec 12
United Airlines Logo
3:53 pm - 3:22 pmEYW-AUS
24h 29m2 stops
United Airlines Logo
5:30 am - 3:09 pmAUS-EYW
32h 39m2 stops
$2,682United Airlines
Find Deal
Mon, Dec 8 - Fri, Dec 12

Spirit Airlines flights from Key West to Austin

Our best Spirit Airlines deals on Key West to Austin flight tickets
Spirit Airlines
Dec 8
EYW2:25 pmKey West
9h 47m
1 stop
AUS11:12 pmAustin Bergstrom
Dec 12
AUS5:45 amAustin Bergstrom
6h 45m
1 stop
EYW1:30 pmKey West
$422
Find similar
Spirit Airlines
Dec 8
EYW2:25 pmKey West
9h 47m
1 stop
AUS11:12 pmAustin Bergstrom
Dec 12
AUS5:45 amAustin Bergstrom
6h 45m
1 stop
EYW1:30 pmKey West
$702
Find similar

United Airlines flights from Key West to Austin

Our best United Airlines deals on Key West to Austin flight tickets
United Airlines
Dec 8
EYW3:53 pmKey West
24h 52m
1 stop
AUS3:45 pmAustin Bergstrom
Dec 12
AUS7:44 pmAustin Bergstrom
18h 25m
2 stops
EYW3:09 pmKey West
$2,676
Find similar
United Airlines
Dec 8
EYW3:53 pmKey West
24h 29m
2 stops
AUS3:22 pmAustin Bergstrom
Dec 12
AUS5:30 amAustin Bergstrom
32h 39m
2 stops
EYW3:09 pmKey West
$2,682
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Key West to Austin 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, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Key West to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Key WestAustin

EYW - AUS

EYWAUS

Key West

Sat 3/7

7:59 pm-12:07 am

1 stop5h 08m

Austin Bergstrom

Tue 3/10

9:30 am-4:05 pm

1 stop5h 35m

$345

Key WestAustin

EYW - AUS

EYWAUS

Key West

Sat 3/7

7:59 pm-12:07 am

1 stop5h 08m

Austin Bergstrom

Tue 3/10

1:45 pm-11:59 pm

2 stops9h 14m

$351

Key WestAustin

EYW - AUS

EYWAUS

Key West

Mon 12/8

2:25 pm-11:12 pm

1 stop9h 47m

Austin Bergstrom

Fri 12/12

5:45 am-1:30 pm

1 stop6h 45m

$422

Key WestAustin

EYW - AUS

EYWAUS

Key West

Sat 3/7

3:57 pm-10:54 pm

2 stops7h 57m

Austin Bergstrom

Tue 3/10

5:00 am-4:29 pm

2 stops10h 29m

$442

Key WestAustin

EYW - AUS

EYWAUS

Key West

Mon 12/8

2:25 pm-11:12 pm

1 stop9h 47m

Austin Bergstrom

Fri 12/12

5:45 am-1:30 pm

1 stop6h 45m

$702

Key WestAustin

EYW - AUS

EYWAUS

Key West

Mon 12/8

7:00 am-1:02 pm

2 stops7h 02m

Austin Bergstrom

Fri 12/12

8:22 am-5:52 pm

1 stop8h 30m

$1,201

Key WestAustin

EYW - AUS

EYWAUS

Key West

Mon 12/8

3:53 pm-3:45 pm

1 stop24h 52m

Austin Bergstrom

Fri 12/12

7:44 pm-3:09 pm

2 stops18h 25m

$2,676

Key WestAustin

EYW - AUS

EYWAUS

Key West

Mon 12/8

3:53 pm-3:22 pm

2 stops24h 29m

Austin Bergstrom

Fri 12/12

5:30 am-3:09 pm

2 stops32h 39m

$2,682

Key WestAustin

EYW - AUS

EYWAUS

Key West

Fri 12/12

2:25 pm-8:41 pm

1 stop7h 16m

$110

Key WestAustin

EYW - AUS

EYWAUS

Key West

Mon 11/10

2:25 pm-11:12 pm

1 stop9h 47m

$123

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Key West to Austin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Austin?

The cheapest day to depart on your flight to Austin is on a Monday when prices can be found for as low as $387. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Key West to Austin for around $558.

What is the cheapest time of day to depart on your flight to Austin?

In the afternoon is the cheapest time of day to fly from Key West to Austin when you can find flight prices for as low as $334. Flying to Austin in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly in the morning, with an average ticket price of $388. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Key West to Austin

Are you open to changing your travel dates? Check out the ideal times to fly from Key West to Austin according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Key West to Austin (EYW to AUS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Key West to Austin

Direct flights

None
There are no direct flights from Key West to Austin. There are no popular flight routes from Key West to Austin.
Search flight deals

  • How far is Key West to Austin Bergstrom by plane?

    Austin Bergstrom is 1052.9 mi away from Key West. A reasonable flight in good conditions will take 5h 08m.

  • When did momondo last update prices for flights from Key West Airport to Austin Bergstrom Airport?

    Prices for flights from Key West Airport to Austin Bergstrom Airport are updated daily.

  • How many operators does momondo search for flights from Key West Airport to Austin Bergstrom Airport?

  • How old do you have to be to fly from Key West Airport to Austin Bergstrom Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Key West Airport to Austin Bergstrom Airport.

  • What documentation or ID do you need to fly to Austin Bergstrom Airport?

    The travel and health documents you'll need for your trip to Austin Bergstrom Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Austin Bergstrom Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Key West to Austin?

Best airlines flying from Key West to Austin

Compare and see reviews for airlines that fly from Key West to Austin with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $198Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $273Free CancellationRating
7.9
7,961 reviews
Search Delta flights

Traveling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Fredericksburg
San Marcos
Wimberley
Round Rock
Georgetown
Canyon Lake
Marble Falls
Cedar Park
Horseshoe Bay
Dripping Springs
Pflugerville
Seguin
Kyle
Bastrop
Buda
Flatonia

Why use momondo?

Why should I use momondo to find a flight deal from Key West to Austin?

It is quick and easy to find Key West to Austin flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Austin that suits you.

Can I find flights from Key West to Austin with flexible booking policies on momondo?

Yes. All flights to Austin from Key West on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Key West to Austin?

Once you have performed a search for Key West to Austin flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Key West to Austin right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Key West to Austin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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