How long does it take to fly to Trieste?

Average flight duration from Oklahoma to Trieste depends on which airport you fly into and out of. Flying from Oklahoma City to Venice Marco Polo Airport is 15h 25m on average, while flying from Tulsa to Venice Marco Polo Airport is 16h 05m on average. Venice Marco Polo Airport is the most popular airport in Trieste.

When did momondo last update prices for flights from Oklahoma to Trieste Ronchi dei Legionari Airport?

Prices for flights from Oklahoma to Trieste Ronchi dei Legionari Airport are refreshed on a daily basis.

How old do you have to be to fly from Oklahoma to Trieste Ronchi dei Legionari Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oklahoma to Trieste Ronchi dei Legionari Airport.

What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?

The travel and health documents required for your trip to Trieste Ronchi dei Legionari Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Trieste Ronchi dei Legionari Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$759 Cheap Flights from Oklahoma to Trieste in 2026

Find the cheapest flights from Oklahoma to Trieste

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:23 am - 10:25 am

TUL

TRS

20h 02m

2 stops

6:35 am - 9:54 pm

TRS

TUL

22h 19m

2 stops

$1,121United Airlines

Sun, Dec 6 - Wed, Dec 9

3:05 pm - 10:25 am

XNA

TRS

36h 20m

2 stops

6:35 am - 9:47 pm

TRS

XNA

22h 12m

2 stops

$1,128United Airlines

Sat, Dec 5 - Tue, Dec 8

2:39 pm - 10:25 am

TUL

TRS

36h 46m

2 stops

6:35 am - 9:54 pm

TRS

TUL

22h 19m

2 stops

$1,128United Airlines

Sun, Dec 6 - Wed, Dec 9

1:30 pm - 10:25 am

OKC

TRS

37h 55m

2 stops

6:35 am - 6:05 pm

TRS

OKC

18h 30m

2 stops

$1,539United Airlines

Thu, Aug 27 - Tue, Sep 1

12:25 pm - 10:25 am

DFW

TRS

15h 00m

2 stops

6:35 am - 9:34 pm

TRS

DFW

21h 59m

2 stops

$1,680United Airlines

Tue, Aug 4 - Tue, Aug 11

10:00 am - 10:25 am

DFW

TRS

17h 25m

2 stops

6:35 am - 9:30 pm

TRS

DFW

21h 55m

2 stops

$1,729United Airlines

Wed, Dec 2 - Sun, Dec 6

10:00 am - 10:25 am

DFW

TRS

17h 25m

2 stops

6:35 am - 9:30 pm

TRS

DFW

21h 55m

2 stops

$1,730United Airlines

Wed, Dec 2 - Sun, Dec 6

7:00 am - 10:25 am

DFW

TRS

20h 25m

3 stops

6:35 am - 7:38 pm

TRS

DFW

44h 03m

3 stops

$1,760United Airlines

Wed, Dec 2 - Sun, Dec 6

11:14 am - 10:25 am

XNA

TRS

16h 11m

2 stops

6:35 am - 6:10 pm

TRS

XNA

18h 35m

2 stops

$1,884United Airlines

Thu, Aug 6 - Thu, Aug 13

12:36 pm - 10:25 am

DFW

TRS

14h 49m

2 stops

6:35 am - 9:34 pm

TRS

DFW

21h 59m

2 stops

$1,939United Airlines

Fri, Sep 18 - Sat, Sep 26

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Oklahoma to Trieste

Our best United Airlines deals on Oklahoma to Trieste flight tickets

United Airlines

Dec 6

TUL7:23 amTulsa

20h 02m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

Dec 9

TRS6:35 amTrieste Ronchi dei Legionari

22h 19m

2 stops

TUL9:54 pmTulsa

$1,121

United Airlines

Dec 5

XNA3:05 pmFayetteville Northwest Arkansas

36h 20m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

Dec 8

TRS6:35 amTrieste Ronchi dei Legionari

22h 12m

2 stops

XNA9:47 pmFayetteville Northwest Arkansas

$1,128

United Airlines

Aug 27

OKC1:30 pmOklahoma City Will Rogers World

37h 55m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

Sep 1

TRS6:35 amTrieste Ronchi dei Legionari

18h 30m

2 stops

OKC6:05 pmOklahoma City Will Rogers World

$1,539

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TulsaTrieste

TUL - TRS

TULTRS

Tulsa

Sun 12/6

7:23 am-10:25 am

2 stops20h 02m

Trieste Ronchi dei Legionari

Wed 12/9

6:35 am-9:54 pm

2 stops22h 19m

$1,121

FayettevilleTrieste

XNA - TRS

XNATRS

Fayetteville Northwest Arkansas

Sat 12/5

3:05 pm-10:25 am

2 stops36h 20m

Trieste Ronchi dei Legionari

Tue 12/8

6:35 am-9:47 pm

2 stops22h 12m

$1,128

TulsaTrieste

TUL - TRS

TULTRS

Tulsa

Sun 12/6

2:39 pm-10:25 am

2 stops36h 46m

Trieste Ronchi dei Legionari

Wed 12/9

6:35 am-9:54 pm

2 stops22h 19m

$1,128

Oklahoma CityTrieste

OKC - TRS

OKCTRS

Oklahoma City Will Rogers World

Thu 8/27

1:30 pm-10:25 am

2 stops37h 55m

Trieste Ronchi dei Legionari

Tue 9/1

6:35 am-6:05 pm

2 stops18h 30m

$1,539

DallasTrieste

DFW - TRS

DFWTRS

Dallas/Fort Worth

Tue 8/4

12:25 pm-10:25 am

2 stops15h 00m

Trieste Ronchi dei Legionari

Tue 8/11

6:35 am-9:34 pm

2 stops21h 59m

$1,680

DallasTrieste

DFW - TRS

DFWTRS

Dallas/Fort Worth

Wed 12/2

10:00 am-10:25 am

2 stops17h 25m

Trieste Ronchi dei Legionari

Sun 12/6

6:35 am-9:30 pm

2 stops21h 55m

$1,729

DallasTrieste

DFW - TRS

DFWTRS

Dallas/Fort Worth

Wed 12/2

10:00 am-10:25 am

2 stops17h 25m

Trieste Ronchi dei Legionari

Sun 12/6

6:35 am-9:30 pm

2 stops21h 55m

$1,730

DallasTrieste

DFW - TRS

DFWTRS

Dallas/Fort Worth

Wed 12/2

7:00 am-10:25 am

3 stops20h 25m

Trieste Ronchi dei Legionari

Sun 12/6

6:35 am-7:38 pm

3 stops44h 03m

$1,760

Quickest round-trip

FayettevilleTrieste

XNA - TRS

XNATRS

Fayetteville Northwest Arkansas

Thu 8/6

11:14 am-10:25 am

2 stops16h 11m

Trieste Ronchi dei Legionari

Thu 8/13

6:35 am-6:10 pm

2 stops18h 35m

$1,884

DallasTrieste

DFW - TRS

DFWTRS

Dallas/Fort Worth

Fri 9/18

12:36 pm-10:25 am

2 stops14h 49m

Trieste Ronchi dei Legionari

Sat 9/26

6:35 am-9:34 pm

2 stops21h 59m

$1,939

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Oklahoma to Trieste

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

Airlines

Other information

What is the cheapest airline that flies from Oklahoma to Trieste Ronchi dei Legionari?

United Airlines is the most popular carrier operating from Oklahoma to Trieste Ronchi dei Legionari

What airlines fly to Trieste?

Delta, United Airlines and British Airways are the top three most popular airlines that fly to Trieste from Oklahoma according to our data. Delta is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 3 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

Cheap Oklahoma to Trieste flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oklahoma to Trieste

Fastest flight time	14h 49m
Direct flights	None

The fastest flight from Oklahoma to Trieste takes 14h 49m

There are no direct flights from Oklahoma to Trieste. There are no popular flight routes from Oklahoma to Trieste.

Search flight deals

Frequently asked questions about flying from Oklahoma to Trieste

When did momondo last update prices for flights from Oklahoma to Trieste Ronchi dei Legionari Airport?
Prices for flights from Oklahoma to Trieste Ronchi dei Legionari Airport are refreshed on a daily basis.
How old do you have to be to fly from Oklahoma to Trieste Ronchi dei Legionari Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oklahoma to Trieste Ronchi dei Legionari Airport.
What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?
The travel and health documents required for your trip to Trieste Ronchi dei Legionari Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Trieste Ronchi dei Legionari Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Udine

Grado

Why use momondo?

Why should I use momondo to find a flight deal from Oklahoma to Trieste?

Finding the right flight to Trieste from Oklahoma is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Trieste quick and easy, saving you time and money.

Can I find flights from Oklahoma to Trieste with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Trieste from Oklahoma with this policy.

How can momondo help me find flights from Oklahoma to Trieste?

Once you have performed a search for Oklahoma to Trieste 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 Oklahoma to Trieste right now. Can momondo alert me if prices change?

Price alerts on flights to Trieste from Oklahoma are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Trieste trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sat 7/25

Sat 8/1

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Italy

Airlines

Cabin classes

Other Italy destinations

Other flights from Oklahoma

Complete your trip

Feeling lucky

Fly your favorite airline to Trieste

Delta

United Airlines

British Airways

Cheap flights from Oklahoma to Trieste from $759

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oklahoma to Trieste departing on 8/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Oklahoma to Trieste

Cheap round-trip flights

Cheap one-way flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

United Airlines flights from Oklahoma to Trieste

Our best United Airlines deals on Oklahoma to Trieste flight tickets

momondo Fare Finder

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

See travel insights to Trieste from

How to get the cheapest flight ticket from Oklahoma to Trieste

What is the cheapest airline that flies from Oklahoma to Trieste Ronchi dei Legionari?

What airlines fly to Trieste?

How long does it take to fly to Trieste?

Cheap Oklahoma to Trieste flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Oklahoma to Trieste

Fastest flight time

Direct flights

Frequently asked questions about flying from Oklahoma to Trieste

Traveling to a place near Trieste?

Why use momondo?

An easier way to manage your Trieste trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Italy

Fly your favorite airline to Trieste

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Trieste

List of cabin classes available on flights landing in Trieste. Availability may vary depending on flight origin and airline.

Popular cities in Italy

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Oklahoma

According to popular flight searches on momondo this year

Complete your trip to Trieste

Explore popular destinations other users love

According to popular flight searches on momondo this year