$350 Find Cheap Flights from Denver to Austria

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Denver to Austria departing on 9/23. 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.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Austria

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Denver to Austria

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Vienna
Vienna2 stops$882
Salzburg
Salzburg2 stops$561
Innsbruck
Innsbruck2 stops$966
Vienna
Vienna2 stops$882
Salzburg
Salzburg2 stops$561
Innsbruck
Innsbruck2 stops$966

Book Cheap Denver to Austria Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Denver to Austria 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 Denver to Austria

Wed, Oct 14 - Thu, Oct 22
Air Canada Logo
11:25 am - 1:15 pm
DEN
-
SZG
17h 50m
2 stops
Air Canada Logo
6:00 am - 8:17 pm
SZG
-
DEN
22h 17m
2 stops
$561Air Canada
Wed, Oct 14 - Thu, Oct 22
Air Canada Logo
11:35 am - 1:15 pm
DEN
-
SZG
17h 40m
2 stops
Air Canada Logo
2:10 pm - 6:18 pm
SZG
-
DEN
36h 08m
2 stops
$578Air Canada
Tue, Sep 8 - Wed, Sep 16
Multiple Airlines Logo
11:25 am - 12:35 pm
DEN
-
GRZ
17h 10m
2 stops
Multiple Airlines Logo
1:15 pm - 11:08 pm
GRZ
-
DEN
17h 53m
2 stops
$806Multiple Airlines
Wed, Oct 14 - Thu, Oct 22
Multiple Airlines Logo
5:40 pm - 6:05 pm
DEN
-
SZG
16h 25m
1 stop
Multiple Airlines Logo
6:00 am - 4:58 pm
SZG
-
DEN
18h 58m
2 stops
$809Multiple Airlines
Mon, Sep 21 - Wed, Oct 7
Lufthansa Logo
5:40 pm - 1:35 pm
DEN
-
SZG
11h 55m
1 stop
Lufthansa Logo
10:05 am - 3:40 pm
SZG
-
DEN
13h 35m
1 stop
$819Lufthansa
Mon, Sep 21 - Tue, Oct 6
Lufthansa Logo
5:40 pm - 5:45 pm
DEN
-
SZG
16h 05m
1 stop
Lufthansa Logo
2:25 pm - 11:54 pm
SZG
-
DEN
17h 29m
2 stops
$829Lufthansa
Sat, Sep 26 - Sat, Oct 3
Austrian Airlines Logo
11:35 am - 8:35 am
DEN
-
VIE
37h 00m
2 stops
Austrian Airlines Logo
8:50 am - 8:17 pm
VIE
-
DEN
43h 27m
2 stops
$891Austrian Airlines
Sat, Sep 5 - Sat, Sep 19
Turkish Airlines Logo
8:25 pm - 3:35 pm
DEN
-
VIE
35h 10m
1 stop
Turkish Airlines Logo
4:35 pm - 6:25 pm
VIE
-
DEN
33h 50m
1 stop
$903Turkish Airlines
Sat, Aug 1 - Tue, Aug 11
United Airlines Logo
1:25 pm - 8:15 am
DEN
-
VIE
34h 50m
1 stop
United Airlines Logo
10:30 am - 10:35 am
VIE
-
DEN
32h 05m
1 stop
$924United Airlines
Tue, Sep 8 - Wed, Sep 16
United Airlines Logo
8:25 pm - 4:10 pm
DEN
-
GRZ
11h 45m
1 stop
United Airlines Logo
1:15 pm - 6:45 pm
GRZ
-
DEN
13h 30m
1 stop
$925United Airlines
Booking Insights

KAYAK's insights & trends for Denver to Austria flights

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

What is the cheapest month to fly from Denver to Austria?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Denver to Austria, 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 Denver to Austria is April, when tickets cost $223 (return) on average. On the other hand, the most expensive months are June and May, when the average cost of round-trip tickets is $782 and $638 respectively.

How far in advance should I book a flight from Denver to Austria?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Denver to Austria, 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 Denver to Austria, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Good to know

Low seasonFebruary
Cheapest flight$350
Best time to beat the crowds with an average 23% drop in price.
Most popular time to fly with an average 20% increase in price.
Flight from Denver to Vienna

FAQs - booking Austria flights

  • How does KAYAK find such low prices on flights from Denver to Austria?

    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 Denver to Austria.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Denver to Austria 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 Denver to Austria?

    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 from Denver to Austria with an airline and back with another airline.

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

    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 from Denver to Austria up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines serving from Denver to Austria

 
Need help choosing which airline to fly with from Denver to Austria? 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.
7.6
Austrian AirlinesOverall score based on 919 reviews
6.8Entertainment
6.8Food
7.3Comfort
7.6Boarding
8.1Crew
Airline reviews

Flight delayed with no explanation. Boarding was confused (proceed to plane, go back to waiting area).

6.0 GoodAnonymous, May 2026
IAD - ORF
Read more Austrian Airlines reviews

Flight delayed with no explanation. Boarding was confused (proceed to plane, go back to waiting area).

Accommodate the passangers at the gates. They only allow groups 1-3 to sit near/at the gate. We had to wait 3 HRs an had to look for a seat far away from the gate. Other than that was like other Airports.

It was a great experience. The aircraft is a bit dated but other than that it was great.

Last few years I didn't not have great experience with United Airlines.

Booked economy. Seat felt like it was a bit more roomy than my last trans Atlantic flights. I had a nice person sitting next to me. Everything was as good as it could be considering you are 35,000 feet up in the air and in a metal container. Beers, wine, food were all readily available. Plenty of movies and shows to watch. Friendly flight staff

Short flight. Bare bones and kinda seeming like an older plane. But got me there on time and that's what counts. Perfectly fine flight all the way from start to finish.

We were delayed three hours from Montenegro to Vienna on our outbound flight and then rebooked an extra leg on our trip to the US. Our bags, which Austrian made us check in in Montenegro even though the flight was barely half full, didn't find us for ten days. Then, when we asked for compensation for the delay we were given the runaround that the flight originated outside of the EU. Next time we fly Turkish Air.

My Austrian Air flight from Montenegro to Vienna was delayed by three hours because their plane de-icer was broken and they had to wait for the sun to come up before the ice could melt. This meant we missed our United flight altogether. So I can't speak about United, but I was not impressed by Austrian Air. They made us check in two carry on bags for a 60% full flight, and the bags didn't find us in the US for ten days. The re-routing they arranged included an extra leg, a midnight taxi ride across New Jersey and New York, and a five hour sleep in a hotel. Not impressed.

Most of the crew members were rude, flight arrived late and we missed our connecting flight, they damaged my friends suitcase so badly that two wheels had been destroyed.

Loved the courtesy and punctuality. Very professional and most importantly on time.

3hr delay and then missed connecting flight with another 6hr wait at the airport before getting a continuation to my trip, worst trip ever in my 50+years of flight travel

Without a doubt, my “customer service” experience with SWISS was the worst of my life. Multiple disconnections in conversations, very cold and indifferent staff, failure to follow up with promised status updates — simply put, T. H. E. W. O. R. S. T. A full week later, and I am STILL waiting to hear from them. Never again for me with SWISS. Disgraceful.

The flight and all amenities were good to excellent. SWISS was awful to deal with. Every step of the way they nickel and dime you. Chose your seats? $14. Change your seats… No accounting for the prior payment. You get billed again. 17 pound restriction on overhead luggage, nonsense. It’s a weight in the plane whether it’s in the overhead or in check baggage. They just milk you for every cent they can and I resent it. The flight was excellent.

plenty of legspace, snacks, no pull face from flight attendants when asking for a wine. Also fast transfer ability at ZRH.

Entertainment sounds were not good. Otherwise everything else was good.

The flight itself was fine, but due to a snow delay my connection to Lisbon was delayed by six hours. Despite this, Swiss Air still managed to lose my luggage. Not acceptable. Someone else on the flight also lost their luggage.

Bad experience overall. Crew did not provide food for our 2 year old (even though we specifically bought a child infant seat for her and literally bought another full price flight), which was unacceptable. And we had to pay $310 each way to carry our ski equipment even though they advertise it as something that is free. Tickets were purchased the same way as usual, but they told us we had Economy Light tickets (I never elected to have such seats). Just plain manipulation and false advertisment. Very disappointed overall about this airline.

The trip was great until my luggage was lost on transfer from United to Swiss. It took Swiss 3 days to get my luggage to me though it was located almost immediately.

Water bottles could be in more sustainable packaging than plastic bottles

Horrible!! The WiFi was not working, the food was awful

Seat assignments for family traveling with 2 children. Loud crowd during sleep time

It was crowded… the bathrooms dirty and smelly. The seats have been made even smaller.

delayed to take off from detroit by 3 hours lost baggage in istanbul and now in venice without baggage

Seats were very tight with poor legroom - and I am average height. During the 12 hour flight, tiny paper cups of drinks we're only offered during the super and breakfast services, with the crew nowhere to be seen in between. One of the bathrooms was out of order, leading to long lines waiting to use the remaining two available to the economy class passengers.

short flight but we still got a very nice lunch and the crew did an excellent job in taking care of us

For that price on Business class, I expected to have the pod seats. These were configured as 2/3/2 and my seat mate talked half the flight with a friend across the isle, loudly. Very uncouth.

The ground crew members at check in counter were courteous. The boarding was seamless. Flight departed as scheduled. Service on board was great

Very comfortable in business class. Excellent service. Good food. Smooth trip.

The seats seems abit small and the reclining is too much, the seat in front of me came back too much and made it uncomfortable for me.

As a first time flyer with Turkish Airlines. My experience was very good due to the factor that there were to many passengers on the my first flight compared to my connecting flight. However, I know that nothing is perfect and all companies are trying to accommodate their passengers to the best way possible. I will always say, a FEW INCHES will go LONG WAY. That's something all airliners should consider, and not only the money aspect!!! A long time commitment is better than one time service! Thank you

O’hsre taxi and deboarding took 40 minutes. Needed 20 minutes extra time between connecting flights to avoid running through terminal.

Was great in general, try to respect time and excuses when slight changes have been made, appreciated!

Really hard landing... as in slammed into the runway then hit the brakes really hard ...

Putting people that close to the bathroom, where you have to look into the bathroom as people are exiting and entering was not great and the smell was also not great. I know the airlines are desperate for more chairs, but that seat is a crime.

Every staff member was professional, friendly and courteous. The pizza twist was ok. It was warm but too much dough.

one staffer was frustrated (it happen); the flight was late and the pilot mentioned they'll make amend but the snacks were the same, other than that the aircraft was clean and everything went smooth, no complaints

Wonderful in-seat entertainment with seatback screens and huge selection of quality movies. The ability to bluetooth connect headphones was amazing.

No seat back entertainment. And app had a hard time getting entertainment loaded.

ticket agent lady wás very helpful , she arranged wheel chair for my elderly mother

Flight left on time and we arrived 25 minutes early! There was a gate available when we arrived so early on a busy Sunday afternoon! Flight attendants came around twice with the drinks cart.

Good food, overall very comfy. The flight was full so obviously not optimal, but it is what it is.

Perfect airline, super friendly, great service, tasty food. Would fly again.

Parents with permanently crying baby on board. Neither parents nor crew did anything to calm the baby. The food was extremely disappointing. Seafood stew was very, very small! Not even appetizer size! Seat had a gap in the back. Had to use a pillow to fill it.

Food choices limited & not enticing Seats quite uncomfortable & difficult to control

Definitely get premium economy on a flight this long if you can. Your legs and while body will thank you.

Flight was delayed by several hours and then cancelled due to weather. But Staff was very helpful getting me on a different flight. United should offer food coupons and tooth brush and paste for stranded passengers

I upgraded to the business class cabin. It was the poorest business class I have ever experienced. No access to any business lounge in Tampa airport. Seats are not comfortable. I had a window seat and had to step/crawl over the next seat. Food was mediocre and service below average for business class. Bathroom location was ridiculous. No place to wait. I cannot believe I paid this kind of money and will never fly Lufthansa Discover again. They really should reimburse me somehow.

Boarding was disorganized. The door to one to the toilets wouldn’t lock. The plane was shockingly cramped, and clearly used for domestic flights due to the menus for items to sell domestic travelers. United should be ashamed of its small seats, tiny unclean toilets, and money grubbing stance toward services, compared to Lufthansa, Emirates, and most international carriers United is awful.

Was never allowed on and not refunded the full amount of the ticket plus charged a $300 processing fee.

Terrible. Lost our luggage for 4 days. Did not advise passengers there was a strike in Barcelona Airport and had zero personnel on hand at airport to advise passengers on where to go to file claims. We had to fend for ourselves. No assistance at all other than an online claims submission process that we had to find out about on our own.

Everything you need to know for your flight from Denver to Austria

Information on your arrival and departure airports