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Delaware

$86+ Cheap flights from Austin (AUS) to Delaware

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — ILG
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
1 adult, Economy
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Cheap flight deals from Austin to Delaware

Cheapest flights from Austin to Delaware
Explore the most affordable flight options available from Austin to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 22, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:00 am
AUS
-
PHL
2 stops30h 15m
Multiple Airlines
Tue 5/128:35 pm
PHL
-
AUS
1 stop24h 43m
Multiple Airlines
Deal found 3/18$226
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:12 am
AUS
-
PHL
1 stop13h 38m
Multiple Airlines
Mon 4/68:36 pm
PHL
-
AUS
1 stop28h 45m
Multiple Airlines
Deal found 3/18$227
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:12 am
AUS
-
PHL
2 stops16h 32m
Multiple Airlines
Mon 4/135:32 pm
PHL
-
AUS
1 stop23h 32m
Multiple Airlines
Deal found 3/17$228
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/179:31 pm
AUS
-
PHL
1 stop31h 04m
Frontier
Fri 4/249:41 pm
PHL
-
AUS
2 stops20h 25m
Frontier
Deal found 3/18$229
This Frontier deal was found by Cheapflights users on 3/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/199:13 pm
AUS
-
PHL
1 stop7h 24m
Frontier
Mon 5/258:35 pm
PHL
-
AUS
1 stop14h 08m
Frontier
Deal found 3/18$230
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:40 pm
AUS
-
PHL
2 stops15h 09m
Multiple Airlines
Thu 4/237:00 am
PHL
-
AUS
1 stop10h 45m
Multiple Airlines
Deal found 3/18$231
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:00 am
AUS
-
PHL
2 stops12h 57m
Spirit Airlines
Wed 5/66:12 pm
PHL
-
AUS
1 stop30h 47m
Spirit Airlines
Deal found 3/20$232
This CheapOair deal was found by Cheapflights users on 3/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:12 am
AUS
-
PHL
1 stop25h 27m
Spirit Airlines
Wed 4/88:18 am
PHL
-
AUS
1 stop8h 46m
Spirit Airlines
Deal found 3/18$233
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/134:59 pm
AUS
-
PHL
2 stops30h 55m
Multiple Airlines
Mon 4/207:00 am
PHL
-
AUS
1 stop17h 40m
Multiple Airlines
Deal found 3/20$234
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:13 pm
AUS
-
PHL
2 stops15h 40m
Multiple Airlines
Mon 4/277:00 am
PHL
-
AUS
1 stop17h 40m
Multiple Airlines
Deal found 3/20$235
This CheapOair deal was found by Cheapflights users on 3/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/211:00 am
AUS
-
PHL
1 stop17h 31m
Frontier
Wed 4/88:25 pm
PHL
-
AUS
1 stop28h 56m
Frontier
Deal found 3/20$236
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:13 pm
AUS
-
PHL
2 stops15h 40m
Multiple Airlines
Thu 4/237:00 am
PHL
-
AUS
1 stop10h 45m
Multiple Airlines
Deal found 3/19$237

Find flight deals from Austin to Delaware

Keep the following information in mind while searching for Austin to Delaware flight deals. Data was last updated March 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$226
(Kiwi.com)

One-way from

$86
(Frontier)

Popular in

March

Cheapest in

October

Average price

$515
Provider with most accurate pricing for Austin Bergstrom-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-Philadelphia flights.
Search Deals
From Austin Bergstrom to Delaware
Search Deals
One-way flight from Austin Bergstrom to Delaware
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($100 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin to Delaware 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 2,558,603 searches. Data last updated March 22, 2026.
Use the filters below to find and compare flights from Austin to Delaware that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Sun 4/5

8:12 pm-8:39 am

2 stops35h 27m

Philadelphia

Thu 5/7

8:00 am-11:59 pm

1 stop16h 59m

$301

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Thu 4/9

6:12 am-10:52 pm

2 stops15h 40m

Philadelphia

Mon 4/13

8:53 pm-4:04 pm

2 stops20h 11m

$377

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Sat 5/9

11:05 am-10:05 pm

2 stops10h 00m

Philadelphia

Mon 5/11

12:45 pm-6:50 pm

2 stops7h 05m

$445

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Wed 6/3

8:30 am-4:50 pm

2 stops7h 20m

Philadelphia

Sat 6/13

2:50 pm-11:30 pm

2 stops9h 40m

$451

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Tue 5/19

1:45 pm-10:00 pm

2 stops7h 15m

Philadelphia

Thu 5/21

4:30 pm-10:45 pm

2 stops7h 15m

$485

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Sun 4/26

5:30 am-1:25 pm

2 stops6h 55m

Philadelphia

Wed 4/29

6:20 am-1:35 pm

2 stops8h 15m

$485

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Fri 5/22

2:15 pm-10:45 pm

2 stops7h 30m

Philadelphia

Sat 5/30

7:45 am-3:55 pm

2 stops9h 10m

$493

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Wed 6/17

12:15 pm-11:44 pm

2 stops10h 29m

Philadelphia

Wed 7/8

6:15 am-1:12 pm

1 stop7h 57m

$530
Quickest round-trip

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Fri 6/19

6:15 pm-12:25 am

1 stop5h 10m

Philadelphia

Mon 6/22

5:15 pm-9:55 pm

1 stop5h 40m

$533

AustinPhiladelphia

AUS - PHL

AUSPHL

Austin Bergstrom

Fri 5/1

7:30 am-3:50 pm

2 stops7h 20m

Philadelphia

Sun 5/3

8:00 am-2:15 pm

2 stops7h 15m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Showing 1-10 of 19 resultsSorted by cheapest first
1
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Best time to book a flight from Austin to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware from Austin with our price prediction graph.
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 Austin to Delaware
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Austin to Delaware. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Austin to Delaware?

    Austin Bergstrom (AUS), located 7.5 mi from the city center, is the airport you fly out of when you book flights from Austin to Delaware.

  • How long is the flight from Austin to Delaware?

    Airlines like Spirit Airlines and Southwest fly from Austin to Delaware in about 10h. The time it takes to get you to your destination can typically vary by up to 5h 40m. Airlines will cover a distance of 1428 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Austin to Delaware that include hotel bookings?

    Yes. In addition to deals on Austin to Delaware flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Austin to Delaware?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Delaware.

  • Can I find deals for business class flights from Austin to Delaware?

    Yes. Cheapflights offers flight deals from Austin to Delaware by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Austin to Delaware

See prices for flight routes from nearby airports that may be better suited for you.
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