What’s the top layover airport for flights from Portland to Vienna?

London (LHR) – chosen by Cheapflights users on 67% of 1-stop itineraries from Portland to Vienna on Cheapflights.

What’s the cheapest layover airport for flights from Portland to Vienna?

Amsterdam (AMS) is the most affordable 1-stop option, with an average round-trip price of $687.

What’s the fastest layover option from Portland to Vienna?

Flights via Amsterdam (AMS) have the shortest average one-way travel time for 1-stop routes: 13h 00m.

Which airport typically offers the quickest layover for flights from Portland to Vienna?

Flights via Amsterdam (AMS) offer the fastest connection on this route, with an average layover time of 1h 40m.

How long is the flight from Portland to Vienna?

United Airlines, Delta, and KLM can get you from Portland to Vienna in just under 23h 15m. Your travel time can differ by up to 2h 10m. There are 5505 mi between Portland and Vienna. This flight may include one or multiple stops.

What are the cheapest airlines flying from Portland to Vienna round-trip?

Condor, at $493, was found to be the cheapest airline from Portland to Vienna.Alternate airlines to your destination round-trip include United Airlines and KLM. You may be able to fly from Portland to Vienna for 46% less than the average price by searching for these airlines.

In terms of precipitation, rainfall in Vienna ranges from 0.8 - 2.6 inches per month. July is typically the wettest month, when rainfall can reach 2.6 in. January is typically the driest time to visit Vienna when rainfall is around 0.8 in.

If weather is an important factor for your trip to Vienna, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

What are the most popular airlines that fly from Portland to Vienna?

United Airlines, British Airways and KLM are the most popular airlines when flying from Portland to Vienna.

Most accurate provider : When it comes to deals on Portland-Vienna flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Vienna flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Portland-Vienna flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Portland-Vienna flights, Cheapflights users trust Gurufare the most. Gurufare has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Vienna flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Portland to Vienna that include hotel bookings?

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

How can I find direct flights from Portland to Vienna?

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

Can I find deals for business class flights from Portland to Vienna?

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

$369+ Flights from Portland to Vienna

Q: How much does it cost to fly round-trip from Portland to Vienna?

Airfare is below average for this route at the moment. Portland to Vienna flights typically cost between $792 and $1,749 in January. The cheapest round-trip price found within the last 3 days was $483 on Multiple Airlines (Jan 23-Jan 30).

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Find cheap flights from Portland to Vienna with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Portland to Vienna Intl are usually found in March or January, booked 74 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap flight deals from Portland to Vienna

Cheapest flights from Portland to Vienna
Explore the most affordable flight options available from Portland to Vienna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 9, 2025.

jue. 12/257:30 amPDX - VIE

2 stops20h 05mLufthansa

mié. 12/316:00 amVIE - PDX

2 stops22h 01mLufthansa

Deal found 12/9

$1,234

mié. 12/317:30 amPDX - VIE

2 stops20h 40mLufthansa

lun. 1/55:30 pmVIE - PDX

2 stops33h 40mLufthansa

Deal found 12/7

$1,294

jue. 12/257:30 amPDX - VIE

2 stops20h 05mLufthansa

mar. 12/307:00 amVIE - PDX

2 stops23h 07mLufthansa

Deal found 12/7

$1,330

jue. 12/257:30 amPDX - VIE

3 stops40h 15mUnited Airlines

mié. 12/3110:55 amVIE - PDX

2 stops35h 25mUnited Airlines

Deal found 12/8

$1,408

lun. 12/83:55 pmPDX - VIE

2 stops19h 25mLufthansa

jue. 12/186:00 amVIE - PDX

2 stops21h 30mLufthansa

Deal found 12/7

$1,412

jue. 12/257:30 amPDX - VIE

2 stops20h 05mLufthansa

jue. 1/19:00 amVIE - PDX

2 stops22h 40mLufthansa

Deal found 12/7

$1,477

lun. 12/81:25 pmPDX - VIE

1 stop17h 50mKLM

jue. 12/184:55 pmVIE - PDX

1 stop27h 30mKLM

Deal found 12/7

$1,522

lun. 12/87:00 amPDX - VIE

1 stop16h 05mUnited Airlines

jue. 12/187:00 amVIE - PDX

2 stops24h 40mUnited Airlines

Deal found 12/6

$1,523

lun. 12/81:25 pmPDX - VIE

1 stop13h 00mMultiple Airlines

jue. 12/1812:25 pmVIE - PDX

2 stops18h 50mMultiple Airlines

Deal found 12/7

$1,538

lun. 12/811:20 pmPDX - VIE

2 stops33h 05mDelta

jue. 12/186:15 amVIE - PDX

2 stops25h 25mDelta

Deal found 12/8

$1,542

Best flights from Portland to Vienna
Discover carefully curated flight deals from Portland to Vienna that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 9, 2025.

vie. 1/309:50 amPDX - VIE

2 stops23h 15mUnited Airlines

dom. 2/810:35 amVIE - PDX

2 stops47h 04mUnited Airlines

Deal found 12/7

$490

vie. 1/307:00 amPDX - VIE

2 stops25h 25mDelta

dom. 2/86:50 amVIE - PDX

1 stop13h 35mDelta

Deal found 12/7

$517

mié. 1/281:25 pmPDX - VIE

1 stop24h 20mKLM

mié. 2/46:50 amVIE - PDX

1 stop13h 35mKLM

Deal found 12/7

$519

mar. 3/171:09 pmPDX - VIE

2 stops36h 26mScandinavian Airlines

mar. 3/2410:15 amVIE - PDX

2 stops19h 55mScandinavian Airlines

Deal found 12/8

$596

sáb. 1/317:45 amPDX - VIE

3 stops24h 25mUnited Airlines

dom. 2/810:35 amVIE - PDX

2 stops20h 57mUnited Airlines

Deal found 12/7

$515

mié. 1/287:00 amPDX - VIE

2 stops19h 30mDelta

mié. 2/46:50 amVIE - PDX

1 stop13h 35mDelta

Deal found 12/9

$518

dom. 5/107:00 amPDX - VIE

3 stops27h 20mScandinavian Airlines

mar. 5/1910:15 amVIE - PDX

2 stops21h 07mScandinavian Airlines

Deal found 12/8

$728

mar. 3/171:39 pmPDX - VIE

2 stops20h 26mUnited Airlines

mié. 3/2510:55 amVIE - PDX

1 stop19h 50mUnited Airlines

Deal found 12/8

$741

lun. 3/161:39 pmPDX - VIE

2 stops20h 26mUnited Airlines

mar. 3/2410:30 amVIE - PDX

1 stop19h 22mUnited Airlines

Deal found 12/8

$741

mié. 3/181:39 pmPDX - VIE

2 stops20h 26mUnited Airlines

mar. 3/2410:30 amVIE - PDX

1 stop19h 22mUnited Airlines

Deal found 12/8

$741

Last-minute flights from Portland to Vienna
Discover last-minute flight deals from Portland to Vienna. Data last updated diciembre 9, 2025 and is based on user searches.

mar. 1/63:46 pmPDX - VIE

2 stops35h 34mUnited Airlines

mar. 1/1310:30 amVIE - PDX

2 stops21h 23mUnited Airlines

Deal found 12/7

$515

mié. 1/75:45 pmPDX - VIE

1 stop17h 15mBritish Airways

mié. 1/2110:05 amVIE - PDX

1 stop14h 50mBritish Airways

Deal found 12/7

$517

jue. 1/223:15 pmPDX - VIE

2 stops17h 50mUnited Airlines

jue. 1/2910:30 amVIE - PDX

2 stops21h 23mUnited Airlines

Deal found 12/8

$511

jue. 1/2210:30 amPDX - VIE

3 stops23h 55mScandinavian Airlines

jue. 1/296:50 amVIE - PDX

3 stops24h 30mScandinavian Airlines

Deal found 12/8

$788

vie. 1/233:15 pmPDX - VIE

2 stops17h 50mMultiple Airlines

vie. 1/307:00 amVIE - PDX

2 stops20h 30mMultiple Airlines

Deal found 12/9

$483

vie. 1/239:50 amPDX - VIE

2 stops23h 15mAir Canada

mar. 1/2710:35 amVIE - PDX

2 stops37h 13mAir Canada

Deal found 12/8

$490

vie. 1/235:45 pmPDX - VIE

1 stop15h 40mBritish Airways

mar. 1/277:25 amVIE - PDX

2 stops24h 21mBritish Airways

Deal found 12/8

$727

mié. 1/289:50 amPDX - VIE

2 stops27h 50mAir Canada

mié. 2/410:30 amVIE - PDX

3 stops31h 45mAir Canada

Deal found 12/7

$503

mié. 1/287:45 amPDX - VIE

2 stops23h 50mLufthansa

mié. 2/41:55 pmVIE - PDX

2 stops19h 44mLufthansa

Deal found 12/9

$506

mié. 1/287:00 amPDX - VIE

2 stops19h 30mDelta

mié. 2/46:50 amVIE - PDX

1 stop13h 35mDelta

Deal found 12/9

$518

One-way flights from Portland to Vienna
Search for one-way flight options from Portland to Vienna. Find affordable one-way fares based on user searches. Data last updated diciembre 9, 2025.

jue. 1/1511:29 amPDX - VIE

3 stops38h 16mMultiple Airlines

Deal found 12/7

$369

jue. 1/157:45 amPDX - VIE

2 stops23h 50mLufthansa

Deal found 12/7

$375

jue. 1/87:05 amPDX - VIE

3 stops26h 15mMultiple Airlines

Deal found 12/8

$384

jue. 1/87:00 pmPDX - VIE

2 stops53h 10mAir Canada

Deal found 12/9

$391

jue. 1/811:59 pmPDX - VIE

1 stop23h 06mUnited Airlines

Deal found 12/7

$399

mié. 6/32:00 pmPDX - VIE

2 stops35h 05mMultiple Airlines

Deal found 12/9

$441

jue. 6/42:00 pmPDX - VIE

2 stops22h 15mMultiple Airlines

Deal found 12/9

$491

sáb. 6/69:42 pmPDX - VIE

2 stops29h 13mMultiple Airlines

Deal found 12/9

$593

Find flight deals from Portland to Vienna

Most accurate provider	eDreams 3 stars
Most trusted provider	Gurufare 3 stars
Round-trip from	$490 (Air Canada)
One-way from	$369 (Kiwi.com)
Popular in	December
Cheapest in	March
Average price	$1,377

Provider with most accurate pricing for Portland-Vienna Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Portland-Vienna Intl flights.

Search Deals

From Portland to Vienna Intl

Search Deals

One-way flight from Portland to Vienna Intl

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($76 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

PortlandVienna

PDX - VIE

PDXVIE

Portland

vie. 1/30

9:50 am-6:05 pm

2 stops23h 15m

Vienna Intl

dom. 2/8

10:35 am-12:39 am

2 stops47h 04m

$490

PortlandVienna

PDX - VIE

PDXVIE

Portland

sáb. 1/31

7:45 am-5:10 pm

3 stops24h 25m

Vienna Intl

dom. 2/8

10:35 am-10:32 pm

2 stops20h 57m

$515

PortlandVienna

PDX - VIE

PDXVIE

Portland

vie. 1/30

7:00 am-5:25 pm

2 stops25h 25m

Vienna Intl

dom. 2/8

6:50 am-11:25 am

1 stop13h 35m

$517

PortlandVienna

PDX - VIE

PDXVIE

Portland

mié. 1/28

7:00 am-11:30 am

2 stops19h 30m

Vienna Intl

mié. 2/4

6:50 am-11:25 am

1 stop13h 35m

$518

PortlandVienna

PDX - VIE

PDXVIE

Portland

mié. 1/28

1:25 pm-10:45 pm

1 stop24h 20m

Vienna Intl

mié. 2/4

6:50 am-11:25 am

1 stop13h 35m

$519

PortlandVienna

PDX - VIE

PDXVIE

Portland

mar. 3/17

1:09 pm-9:35 am

2 stops36h 26m

Vienna Intl

mar. 3/24

10:15 am-10:10 pm

2 stops19h 55m

$596

PortlandVienna

PDX - VIE

PDXVIE

Portland

dom. 5/10

7:00 am-7:20 pm

3 stops27h 20m

Vienna Intl

mar. 5/19

10:15 am-10:22 pm

2 stops21h 07m

$728

PortlandVienna

PDX - VIE

PDXVIE

Portland

mar. 3/17

1:39 pm-6:05 pm

2 stops20h 26m

Vienna Intl

mié. 3/25

10:55 am-10:45 pm

1 stop19h 50m

$741

PortlandVienna

PDX - VIE

PDXVIE

Portland

lun. 3/16

1:39 pm-6:05 pm

2 stops20h 26m

Vienna Intl

mar. 3/24

10:30 am-9:52 pm

1 stop19h 22m

$741

PortlandVienna

PDX - VIE

PDXVIE

Portland

mié. 3/18

1:39 pm-6:05 pm

2 stops20h 26m

Vienna Intl

mar. 3/24

10:30 am-9:52 pm

1 stop19h 22m

$741

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 15 results

Compare providers for flights from Portland to Vienna

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Vienna in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
Gurufare	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
Cheapfaremart	Price Accuracy-	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Portland-Vienna flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Vienna flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Portland-Vienna flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Portland-Vienna flights, Cheapflights users trust Gurufare the most. Gurufare has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Vienna flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Vienna

Have a flexible travel schedule? Discover the best time to fly to Vienna from Portland 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 Portland to Vienna

Prices

How far ahead should I book a flight from Portland to Vienna?

To ensure you get the cheapest price possible for a flight from Portland to Vienna, you should look to book at least 73 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Portland to Vienna?

Currently, March is the cheapest month in which you can book a flight from Portland to Vienna (average of $533). Flying from Portland to Vienna in July is currently the most expensive (average of $814). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to VIE?

One of the essential ways to save on airfare from Portland to Vienna is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 8% on airfare.

What is the cheapest day to fly from Portland to Vienna?

Travelers seeking maximum savings on their Portland to Vienna flight should consider departing on Sunday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Portland to Vienna?

Reviews of airlines servicing Vienna

See what other customers who have flown with Delta, KLM, and United Airlines from Portland to Vienna have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,011 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,011 reviews

Delta

7.9

Good

8,011 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

KLM

7.7

Good

1,431 reviews

Delta

7.9

Good

8,011 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,089 reviews

Delta

7.9

Good

8,011 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

British Airways

6.7

Okay

7,571 reviews

Delta

7.9

Good

8,011 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Condor

6.4

Okay

390 reviews

Delta

7.9

Good

8,011 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

How long is the flight from Portland to Vienna?
United Airlines, Delta, and KLM can get you from Portland to Vienna in just under 23h 15m. Your travel time can differ by up to 2h 10m. There are 5505 mi between Portland and Vienna. This flight may include one or multiple stops.
What are the cheapest airlines flying from Portland to Vienna round-trip?
Condor, at $493, was found to be the cheapest airline from Portland to Vienna.Alternate airlines to your destination round-trip include United Airlines and KLM. You may be able to fly from Portland to Vienna for 46% less than the average price by searching for these airlines.
Can I find deals for flights from Portland to Vienna that include hotel bookings?
Yes. In addition to deals on Portland to Vienna flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Vienna?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Vienna.
Can I find deals for business class flights from Portland to Vienna?
Yes. Cheapflights offers flight deals from Portland to Vienna by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Portland to Vienna?
Currently, March is the cheapest month in which you can book a flight from Portland to Vienna (average of $533). Flying from Portland to Vienna in July is currently the most expensive (average of $814). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Amstetten

Melk

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Alternative routes for Portland to Vienna

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Medford to Vienna flights

Portland to Linz flights

Other flights to Vienna

Top 5 airlines flying from Portland to Vienna

Airline	Cheapest	Average	Flexibility	On-time
Condor	Cheapest$571	Average$866	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$667	Average$915	FlexibilityNo cancel fee	On-time69%
KLM	Cheapest$668	Average$967	FlexibilityNo cancel fee	On-time75%
British Airways	Cheapest$679	Average$840	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$734	Average$1,007	FlexibilityNo cancel fee	On-timeN/A

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$369+ Cheap flights from Portland (PDX) to Vienna (VIE)

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Vienna with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Portland to Vienna Intl are usually found in March or January, booked 74 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap flight deals from Portland to Vienna

Cheapest flights from Portland to ViennaExplore the most affordable flight options available from Portland to Vienna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 9, 2025.

Explore the most affordable flight options available from Portland to Vienna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 9, 2025.

Find flight deals from Portland to Vienna

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Vienna that are best for you.

Compare providers for flights from Portland to Vienna

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Vienna in December.

Best time to book a flight from Portland to Vienna

Have a flexible travel schedule? Discover the best time to fly to Vienna from Portland with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Portland to Vienna

How far ahead should I book a flight from Portland to Vienna?

What is the cheapest month to book a flight from Portland to Vienna?

What is the cheapest time of day to fly from PDX to VIE?

What is the cheapest day to fly from Portland to Vienna?

How much does it cost to fly round-trip from Portland to Vienna?

What’s the top layover airport for flights from Portland to Vienna?

What’s the cheapest layover airport for flights from Portland to Vienna?

What’s the fastest layover option from Portland to Vienna?

Which airport typically offers the quickest layover for flights from Portland to Vienna?

Reviews of airlines servicing Vienna

See what other customers who have flown with Delta, KLM, and United Airlines from Portland to Vienna have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How long is the flight from Portland to Vienna?

What are the cheapest airlines flying from Portland to Vienna round-trip?

Can I find deals for flights from Portland to Vienna that include hotel bookings?

How can I find direct flights from Portland to Vienna?

Can I find deals for business class flights from Portland to Vienna?

What is the cheapest month to book a flight from Portland to Vienna?

Traveling to a place near Vienna?

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Alternative routes for Portland to Vienna

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Top 5 airlines flying from Portland to Vienna

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Cheapest flights from Portland to Vienna
Explore the most affordable flight options available from Portland to Vienna. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 9, 2025.