PHL - AUS

$81 Find Cheap Flights from Philadelphia to Austin - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Philadelphia to Austin departing on 8/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$268
Typical prices: $167-$312
Frontier
Sat 8/1Mon 8/10
PHL - AUS • 1 stop
Cheapest non-stop
$413
Typical prices: $169-$379
American Airlines
Sat 9/12Sat 9/19
PHL - AUS • Non-stop
Nonstop flights
You can fly direct with American Airlines. Average duration is 3h 50m
Direct flights
Direct flights
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Direct flights
Direct flights
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Top layover airports
Cheapest • Avg $226 (round-trip)
Shortest trip • 5h 05m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 35% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 44% price drop
Most popular
Good to know
Good to know
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Flight Deals

Cheap Flights from Philadelphia to Austin (PHL-AUS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Philadelphia to Austin that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Philadelphia to Austin

Sat, Aug 1 - Mon, Aug 10
Frontier Logo
4:30 pm - 4:39 pm
PHL
-
AUS
25h 09m
1 stop
Frontier Logo
1:33 pm - 7:15 am
AUS
-
PHL
16h 42m
1 stop
$268Frontier
Fri, Oct 2 - Mon, Oct 5
Frontier Logo
5:28 pm - 9:48 am
PHL
-
AUS
17h 20m
1 stop
Frontier Logo
10:50 am - 12:20 am
AUS
-
PHL
12h 30m
2 stops
$269Frontier
Mon, Jul 27 - Tue, Sep 8
Multiple Airlines Logo
6:30 am - 4:59 pm
PHL
-
AUS
11h 29m
2 stops
Multiple Airlines Logo
5:37 pm - 7:36 am
AUS
-
PHL
12h 59m
1 stop
$270Multiple Airlines
Sat, Aug 1 - Mon, Aug 10
Frontier Logo
4:30 pm - 4:39 pm
PHL
-
AUS
25h 09m
1 stop
Frontier Logo
1:33 pm - 7:15 am
AUS
-
PHL
16h 42m
1 stop
$271Frontier
Tue, Aug 11 - Fri, Aug 14
Multiple Airlines Logo
8:30 am - 4:39 pm
PHL
-
AUS
9h 09m
1 stop
Multiple Airlines Logo
4:07 pm - 12:43 am
AUS
-
PHL
31h 36m
2 stops
$272Multiple Airlines
Wed, Sep 2 - Mon, Sep 7
Frontier Logo
8:30 am - 4:39 pm
PHL
-
AUS
9h 09m
1 stop
Frontier Logo
8:15 pm - 5:39 am
AUS
-
PHL
8h 24m
1 stop
$273Frontier
Thu, Aug 6 - Thu, Aug 13
Frontier Logo
9:16 pm - 9:32 am
PHL
-
AUS
13h 16m
1 stop
Frontier Logo
5:34 pm - 7:15 am
AUS
-
PHL
12h 41m
1 stop
$274Frontier
Fri, Jul 24 - Sun, Jul 26
Frontier Logo
4:40 pm - 12:38 pm
PHL
-
AUS
20h 58m
1 stop
Frontier Logo
8:12 pm - 5:39 am
AUS
-
PHL
8h 27m
1 stop
$275Frontier
Thu, Aug 6 - Sat, Aug 8
Frontier Logo
8:30 am - 4:39 pm
PHL
-
AUS
9h 09m
1 stop
Frontier Logo
6:30 am - 7:20 pm
AUS
-
PHL
11h 50m
2 stops
$276Frontier
Thu, Oct 8 - Wed, Oct 14
Frontier Logo
8:44 pm - 11:59 pm
PHL
-
AUS
28h 15m
1 stop
Frontier Logo
9:27 pm - 5:36 am
AUS
-
PHL
7h 09m
1 stop
$277Frontier
Booking Insights

KAYAK's insights & trends for Philadelphia to Austin flights

Get data-powered insights and trends into flights from Philadelphia to Austin to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Philadelphia to Austin?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Philadelphia to Austin departing in August.

What’s the cheapest day of the week to fly from Philadelphia to Austin?

The average price of all round-trip flights from Philadelphia to Austin clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Austin on a Wednesday, as we generally find the cheapest rates on that day for this route. On the other hand, Friday is the most expensive day to fly from Philadelphia to Austin. For your return ticket, we recommend flying on a Thursday and avoiding Sundays for the best deals.

What is the cheapest month to fly from Philadelphia to Austin?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Philadelphia to Austin, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Philadelphia to Austin is August, where tickets cost $219 (return) on average. On the other hand, the most expensive months are June and March, where the average cost of round-trip tickets is $532 and $485 respectively.

Can I save money by flying with a layover from Philadelphia to Austin?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $455, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Philadelphia to Austin?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Philadelphia to Austin, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Philadelphia to Austin, you should book around 3 weeks before departure, which saves you about 35% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 3 weeks before departure.

Expert advice

Expert advice for your flight from Philadelphia to Austin

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on PHL and AUS

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Good to know

Low seasonJanuary
Cheapest flight$81
Best time to beat the crowds but there is an average 11% increase in price.
Most popular time to fly and prices are also 14% lower on average.
Flight from Philadelphia to Austin

When to book flights from Philadelphia to Austin

Are your dates flexible? Find out the best times to travel from Philadelphia to Austin based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Philadelphia to Austin

  • Where can I park my car in PHL?

    If you drive your car to PHL, you need not worry about driving round and round looking for a parking spot, as PHL boasts numerous parking garages. If you'd like to park your car for the period of your trip, you can do so at Terminal Parking Garages, situated a short distance from the airport's terminals.

  • Does AUS have an onsite hotel?

    AUS does not have an onsite hotel. However, it is close to Hyatt Place Austin Airport and Hilton Austin Airport. You'll be accorded free airport shuttle services as a guest at either of these hotels. You'll also be accorded a comfortable room and fantastic customer care.

  • Where is the children's play area in PHL located?

    PHL is home to the Ready for Take-Off kids' play area. Located in the eastern wing of Terminal A, this superb store boasts aviation-themed toys and child-proofed play areas. At this attraction, you can watch your child have lots of fun while you await your flight to AUS.

  • What are some of the nearby destinations I can easily get to from AUS?

    Once you land at AUS, there are several destinations you'll easily get to, Austin being one of them. From this airport, you'll also be able to easily travel to Llano, Taylor, Johnson City, Fredericksburg, Marble Falls, and San Antonio.

  • What is the cheapest flight from Philadelphia to Austin?

    In the last 5 days, the lowest price for a flight from Philadelphia to Austin was $81 for a one-way ticket and $268 for a round-trip.

  • Do I need a passport to fly between Philadelphia and Austin?

    A passport is not required to fly from Philadelphia to Austin.

  • Which airlines offer Wi-Fi service onboard planes from Philadelphia to Austin?

    American Airlines, JetBlue, Delta, and Alaska Airlines offer inflight Wi-Fi service on the Philadelphia to Austin flight route.

  • Which aircraft models fly most regularly from Philadelphia to Austin?

    The Airbus A319 is the aircraft model that flies most regularly on the Philadelphia to Austin flight route.

  • Which airline alliances offer flights from Philadelphia to Austin?

    SkyTeam, and oneworld are the airline alliances operating flights between Philadelphia and Austin, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Philadelphia to Austin?

    There are nonstop flights from Philadelphia to Austin on a daily basis.

  • Which is the best airline for flights from Philadelphia to Austin, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from Philadelphia to Austin are Southwest and Delta. With an average price for the route of $420 and an overall rating of 7.9, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $334 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from Philadelphia to Austin?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Philadelphia to Austin.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Philadelphia to Austin?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Austin from Philadelphia is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Philadelphia to Austin?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Austin with an airline and back to Philadelphia with another airline. Booking your flights between Philadelphia and AUS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Philadelphia to Austin?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Austin from Philadelphia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Philadelphia to Austin

  • Looking for a cheap flight? 25% of our users found flights on this route for $512 or less one-way and $455 or less round-trip.
  • To board your flight to Austin in Philadelphia, you'll have to head to Philadelphia International Airport (PHL), as it is the only airport that offers flights that ply this route. You can board a train, line 37 bus, or taxi to get to this airport from the city center. Of the three, the bus is the cheapest, while the taxi is the quickest. If you'd like to balance speed and cost, the local train is the best means of transport for you.
  • PHL normally serves thousands of travelers each day. As a result, it normally has lengthy security lines. On the date you're set to fly to Austin, you should get to the airport at least 1h 30min before your flight so that you avoid missing your flight because of being stuck in one of the airport's security lines.
  • When waiting for your flight to Austin, you can gain lounge access to several lounges in PHL, so long as you're willing to pay at the door or purchase a membership program. These lounges are Centurion Lounge, located in Terminal A-West near Gate A14, United Club, situated on the second level, between Concourse C and D, and American Airlines Admirals Club, located in various parts of the airport.
  • In Austin, you'll alight from your flight at Austin–Bergstrom International Airport (AUS). At this airport, you can check out various art pieces by local artists on display throughout the airport. You can also check out local musicians who perform live in the airport Monday to Friday, often from 4 pm to 6 pm.
  • AUS features ramps, wheelchairs, and elevators. It also has well-trained airport staff who know how to offer special assistance services. Given that this airport features amenities that'll improve your experience and staff members who will cater to you, if you're a disabled traveler, you can count on having a smooth experience once you land.

Prefer to fly direct from Philadelphia to Austin?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Philadelphia to Austin Bergstrom.
Find which airlines fly direct from Philadelphia Airport to Austin Bergstrom Airport, which days they fly and book direct flights.

Direct departures

Philadelphia to Austin Bergstrom

Monday

American Airlines

American Airlines

Tuesday

American Airlines

American Airlines

Wednesday

American Airlines

American Airlines

Thursday

American Airlines

American Airlines

Friday

American Airlines

American Airlines

Saturday

American Airlines

American Airlines

Sunday

American Airlines

American Airlines

See more direct flights

Direct returns

Austin Bergstrom to Philadelphia

Monday

American Airlines

American Airlines

Tuesday

American Airlines

American Airlines

Wednesday

American Airlines

American Airlines

Thursday

American Airlines

American Airlines

Friday

American Airlines

American Airlines

Saturday

American Airlines

American Airlines

Sunday

American Airlines

American Airlines

See more direct flights

Reviews of the top 5 airlines serving from Philadelphia to Austin

 
See real verified KAYAK customer reviews for airlines flying from Philadelphia to Austin. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Philadelphia to Austin? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
SouthwestOverall score based on 4250 reviews
8.0Comfort
8.1Boarding
7.5Entertainment
8.6Crew
7.0Food
Airline reviews

My experience will Southwest was good. I wish there was more entertainment and the boarding process was slow at time but other than that my experience was great definitely will be flying with SouthWest again.

8.0 ExcellentAnonymous, Jul 2026
PHL - BNA
Read more Southwest reviews

My experience will Southwest was good. I wish there was more entertainment and the boarding process was slow at time but other than that my experience was great definitely will be flying with SouthWest again.

Great job Southwest! My family doesn't fly often but we felt safe the whole time.

One of the best airlines for fast boarding, on time arrivals, and top notch service!

For my birthday trip this was my second time ever flying, this trip was the best.

It seems as though the provisions are even less. Although SWA used to be an economy Airline, that isn't really the case anymore. I paid over $700. for a round trip to Denver and I could have flown just about any airline for the price. The drinks are now in a 6-ounce cup and with ice I'm sure a can would fill more than 2 cups. However, I am very proud of SWA for using paper rather than continuing to contribute to the millions of plastic cups being used each day. I've thought of this fr many years and am so glad to see it come to fruition, if not by only SWA so far.

Crew was great - friendly and helpful with boarding - letting folks know where overhead space was available thus getting us out of the gate on time.

AC wasn't working then we sat on the tarmac in Austin for 40 minutes waiting for a gate.

I stopped flying southwest a long time ago. I don’t care for their boarding process, especially when I have a family to try and seat together. The early bird check in made it so much easier. As long as you do that, it’s great.

Excellent! Very attentive & helpful during a weather delay to keep people safe, com, and informed!

Issue during taxi lead to two hours of sitting in the tarmac and a lot of miscommunication and confusion from flight crew

Long story short, it was one of the better flight experiences I've had in some time when compared with other airlines.

Connection flights should be spaced out farther because too close I missed my connection.

Smaller plane for a longer flight than my first one. Doesn’t make sense.

Another late night flight and MORE men belligerently drinking and yelling. I had to move from first to economy because they were so obnoxious and disruptive. Crazy to go from a cozy chair to cardboard when you were supposed to be in first. Delta allows was too much drinking which leads to belligerent behavior.

The gate attendants and the crew were terrible. Because of high winds, they needed to carry more fuel, so they had to get volunteers to take the next flight at 6 am the next day. They did a terrible job of it - our flight ended up taking off just under 3 hours of the scheduled time. I hope to never fly Delta again.

The flight was scheduled for 2:30 PM. Early in the morning we got a text message saying the flight was delayed and rescheduled for 3:00 PM. We got to the airport with that in mind. Then we got a message during check-in at the flight was rescheduled again for 2:30 PM. We almost missed our flight. In fact, our bags Were told that they would not make it. At the end, everything worked out. But it is very stressful.

My flight consistently said it was on time and the plane didn’t arrive until after 30 minutes after take off and nothing was announced to passengers

They were an hour late and they didn’t have my wheelchair for me

Food service was bare-bone. Better bot to have any at all rather than hand out premade coffees and cookies to random few passengers.

due to delay, we were downgraded in seating, so it was cramped

Leave on time. We waited on the plane for hour hours and it was hot and smelly

It was the most un-special flight experience in my life.

Massimo, flight attendant was very authentic, attentive - wonderful. Food/wrap was just okay.

2 hour delay due to equipment failure. No updates via the app and airport screens (which continued to show a departure time in the past). AA eventually switched planes and the new plane was not catered or cleaned correctly.

It’s a great flight. Service is good. Staff is awesome.

The plane was very warm and the crew turned on the lights for the entire snack service.

If there was enough room for me to bring my carry on luggage with me on the flight.

The gate crew did try to help, however they lacked the information as to whether the flight will operate or not. Being delayed 6 hours and in a limbo on whether the flight will operate or not is not fun. The airline having staffing issues is not encouraging at all.

After sitting on plane for 7+ hours, flight was canceled. And to makes matters worse, my suitcase is in baggage hell!

The flight was smooth & the landing was excellent. Your pilot did such a great job whereby I did not even realize we had landed-so soft & quiet. The staff was excellent as well.

When I agreed to give up my two seats because of overbooking by the airline, I should have been offered some sort of reward or credit towards a future flight. I was not. It was not until the next day when I mentioned it to a Jet Blue employee that I was advised to call 1-800-JetBlue. So here I am, having done Jet Blue a favor and I had to do the work to find out if I was going to get a credit. Such service

A nightmare. Scheduled flight delayed 2 hours then cancelled because pilot timed out . Unable to find another pilot. Really?! Weather certainly a factor, but JetBlue seemed totally unprepared for the chaos that ensued when flight routes were cancelled. More cancelled flights, finally many of us who had been bumped from other flights were allowed to board a Boston bound plane around 3:00am, delay after delay, sat on tarmac for another half hour while pilot dealt with weight distribution issues (?), arrived in Boston 4:30. Crew were wonderful- same attendants all day and night and they were exhausted. Fortunately for me and my son that Boston was our final destination, not so lucky for many who missed connecting flights.

Complete and total debacle from start to finish. HUGE mistake picking this airline. NEVER again! Rudest staff in the business.

It's not JetBlues fault but there was a smell on the plane (possibly other travelers) and 3 children behind me that never quit whining. Soccor fans that were very loud. Pilot brought the plane down from high altitude quickly, dropping us hu dress of feet at a time. I've never felt that intense of dropping on other airlines (usually fly Southwest Airlines). But I arrived safely and I'm thankful for that.

They lost my luggage and refuse to help. Terrible airline. I've never experienced worse customer service in my life. Pretty much just told me too bad that I lost all my luggage, not caring that I am stuck in Europe for 2 weeks with absolutely nothing.

Worst customer service ever experienced on the planet, dirty plane, no communication, and severe delays

I especially liked the lead crew officer. His boarding and safety announcements were made with a bit of novelty and humor. The flight also left the gate 10 minutes early and we landed about 20 minutes early… It was a delightful flight…

Going through JFK’s security is a mess. The TSA security said no shoes on the bins. So, we place our shoes in the belt and they came out all over the belt. Boarding was delayed and Flight as well.

As with all airline's seats, a little more padding would appreciated. Especially on longer flights.

I loved the flight and the crew. It was comfortable and smooth.

I am writing to express my disappointment with my recent Frontier Airlines flight. I was charged $99 at the gate because my bag was said to be too large, yet once onboard there was no available overhead bin space, and I was required to place the bag under the seat in front of me anyway. This made the charge feel unnecessary and unfair. Additionally, before the flight even took off, I was asked to move from the seat I paid for into a middle seat so another passenger and her cat could have my seat to themselves. I was not offered compensation or an explanation for being moved from a paid seat. Between the unexpected bag fee and being forced to give up my seat, this experience fell well below acceptable customer service standards. I would appreciate a review of this situation and appropriate compensation.

Terrible. Flight cancelled with no reasoning and no flights to rebook. Employees were useless and did nothing to help. Did not even know where to retrieve luggage from the cancelled flight. Flyers beware.

sluggish boarding and arrival procedures, fake nice flight attendants, and lots of delays.

You get what you pay for nothing essentially but a hard uncomfortable seat that doesn’t recline and kids screaming all around you and chaotic boarding and limited check bag weight allowance when compared to other airlines

Not very good. Paid in excess of $400 for assigned seating for my family and that was not provided. I want that money back.

An absolutely fraudulent experience. Extremely unprofessional. Terrible in all ways possible. Rude staff, flight attendants, and deceptive "policies."

Check in at Philadelphia international was absolutely terrible! I fly 2 to 3 times a month and avoid frontier at all cost and will never fly Frontier again! The night before travel, I tried checking in however, the app was giving me an error, so I went to the desktop, which instructed you that you need to use the app. The next day I presented at the check-in gate after trying at least a half dozen times prior to getting into the airport and continuing to getting the error in the app. I actually had rebooted my phone numerous times and reinstall the app just in case. My phone is only one generation older than the current model. It has no problems completing a frontier flight purchase or any other app issues. There was only three frontier employees working at check-in and a huge line while I was in line I continued to try and check in via the app. As I approach the desk, I was dreading dealing with the agent. He was extremely unprofessional, anti-semantic & very ignorant, and mean to the people in front of me, as well as the people who ended up being behind me. He literally told people “Man I don’t care bout y’all” in his native dialect! Maintaining my composure I approached and explained the situation. To which he replied, you’re gonna have to pay then! I don’t understand. It’s an issue with their app not allowing me to check in! Not my issue! He told me if I pay cash it would be $15, $25 if I pay credit card. I don’t understand a $10 difference for paying with a credit card? I am completely cashless so I continued to try using the app to avoid the $25 fee, Which I still don’t believe that I should be responsible for since it was Frontier’s technical issue!!! I continued to check in via the app a couple more times after he verified I was doing everything right he proceeded to continue to belittle the people behind me. Yelling at them saying I don’t care about you people! I cannot believe that this is the way that businesses would treat its customers! Unfortunately, the black mail with dreadlocks did not have a name tag all he had was a frontier sweater on! For the $25 fee that I ended up getting charged on my credit card. I should’ve just booked originally with Spirit or any other carrier! I have no problem paying fees that I should be responsible for, but when it’s due to a technical failure of a company, the customer should not be responsible for it! I cannot believe that it’s not frontier going out of business!

terrible cascading delays and unhelpful customer service. uncomfortable plane. crew was great, however!

They delayed my flight so long that I would miss my connector. After that they gave me a free transfer to a different flight. My current flight was supposed to leave at 630am. They put me on a plane that leaves at 730pm the same day. Then they didn’t tell me but the connector flight was now 18 hours later the next day. And they refused to put us in a hotel for the night in the connector city. After hrs of them rudely arguing with us we cancelled our flight and went with a better airline. I will never fly frontier again. They owe me about 1200 dollars and refused to refund our money on their mistake.

Retrain your customer service representatives at the check in counter. Retrain the customer service representatives at the boarding gate. The only associates that were pleasant were the flight crew. Worse trip that I ever had and maybe reason I don't want to fly with Frontier Airlines again. I was told that I missed my flight at 5:40 a.m., was given 2 tickets because it wasn't a straight flight. I was charged an additional $99, and even had to pay again for my bag $99. Just a horrible experience.

Everything you need to know for your flight from Philadelphia to Austin

Information on your arrival and departure airports