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Trieste

$701+ Cheap flights from Oklahoma to Trieste (TRS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — TRS
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheap flight deals from Oklahoma to Trieste

Keep the following information in mind while searching for Oklahoma to Trieste flight deals. Data was last updated November 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$813
(Lufthansa)
Provider with most accurate pricing for Oklahoma City Will Rogers World-Trieste Ronchi dei Legionari flight deals.
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Provider most trusted by Cheapflights users for Oklahoma City Will Rogers World-Trieste Ronchi dei Legionari flights.
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From Oklahoma to Trieste Ronchi dei Legionari
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Find flight deals from Oklahoma to Trieste

Cheapest flights from Oklahoma to Trieste
Explore the most affordable flight options available from Oklahoma to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This KAYAK deal was found by Cheapflights users on 11/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:28 pmXNA - TRS
2 stops20h 57mLufthansa
Fri 12/126:25 amTRS - XNA
2 stops22h 30mLufthansa
Deal found 11/2$701
This KAYAK deal was found by Cheapflights users on 11/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1011:29 amXNA - TRS
2 stops19h 31mLufthansa
Fri 12/126:25 amTRS - XNA
2 stops42h 15mLufthansa
Deal found 11/2$707
This KAYAK deal was found by Cheapflights users on 11/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:28 pmXNA - TRS
2 stops36h 37mLufthansa
Wed 12/102:40 pmTRS - XNA
2 stops38h 15mLufthansa
Deal found 11/2$713
This KAYAK deal was found by Cheapflights users on 11/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:28 pmXNA - TRS
2 stops20h 57mLufthansa
Tue 12/92:40 pmTRS - XNA
2 stops38h 15mLufthansa
Deal found 11/2$721
This KAYAK deal was found by Cheapflights users on 11/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:28 pmXNA - TRS
2 stops36h 37mLufthansa
Tue 12/92:40 pmTRS - XNA
2 stops34h 00mLufthansa
Deal found 11/2$727
This KAYAK deal was found by Cheapflights users on 11/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:28 pmXNA - TRS
2 stops20h 57mLufthansa
Sat 12/136:25 amTRS - XNA
2 stops18h 15mLufthansa
Deal found 11/2$751
This KAYAK deal was found by Cheapflights users on 11/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:28 pmXNA - TRS
2 stops36h 37mLufthansa
Sat 12/136:25 amTRS - XNA
2 stops18h 15mLufthansa
Deal found 11/2$757
This KAYAK deal was found by Cheapflights users on 11/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:28 pmXNA - TRS
2 stops36h 32mLufthansa
Fri 12/126:25 amTRS - XNA
2 stops22h 30mLufthansa
Deal found 11/2$758
This KAYAK deal was found by Cheapflights users on 11/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:28 pmXNA - TRS
2 stops36h 32mLufthansa
Wed 12/102:40 pmTRS - XNA
2 stops34h 00mLufthansa
Deal found 11/2$764
This KAYAK deal was found by Cheapflights users on 11/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:28 pmXNA - TRS
2 stops20h 57mLufthansa
Sun 12/143:00 pmTRS - XNA
2 stops37h 55mLufthansa
Deal found 11/2$771
This KAYAK deal was found by Cheapflights users on 11/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:28 pmXNA - TRS
2 stops36h 32mLufthansa
Tue 12/92:40 pmTRS - XNA
2 stops34h 00mLufthansa
Deal found 11/2$777
This KAYAK deal was found by Cheapflights users on 11/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:28 pmXNA - TRS
2 stops36h 32mLufthansa
Sat 12/136:25 amTRS - XNA
2 stops18h 15mLufthansa
Deal found 11/2$808

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oklahoma to Trieste 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 November 3, 2025.
Use the filters below to find and compare flights from Oklahoma to Trieste that are best for you.

Fly from

Oklahoma

Fly to

Trieste

Route

Depart

Return

Price

TulsaTrieste

TUL - TRS

TULTRS

Tulsa

Thu 3/26

11:53 am-10:30 pm

2 stops28h 37m

Trieste Ronchi dei Legionari

Mon 3/30

2:40 pm-8:22 pm

2 stops36h 42m

$813

FayettevilleTrieste

XNA - TRS

XNATRS

Fayetteville Northwest Arkansas

Fri 11/14

6:28 pm-2:05 pm

2 stops36h 37m

Trieste Ronchi dei Legionari

Fri 12/12

6:25 am-5:40 pm

2 stops18h 15m

$842

FayettevilleTrieste

XNA - TRS

XNATRS

Fayetteville Northwest Arkansas

Fri 11/14

6:28 pm-2:05 pm

2 stops36h 37m

Trieste Ronchi dei Legionari

Wed 12/10

2:40 pm-9:55 pm

2 stops38h 15m

$848

DallasTrieste

DFW - TRS

DFWTRS

Dallas/Fort Worth

Sun 11/16

10:02 am-10:50 pm

3 stops29h 48m

Trieste Ronchi dei Legionari

Thu 11/20

11:10 am-11:59 pm

3 stops43h 49m

$853

FayettevilleTrieste

XNA - TRS

XNATRS

Fayetteville Northwest Arkansas

Fri 11/14

11:29 am-2:05 pm

2 stops43h 36m

Trieste Ronchi dei Legionari

Thu 12/11

2:50 pm-5:40 pm

2 stops33h 50m

$862

Oklahoma CityTrieste

OKC - TRS

OKCTRS

Oklahoma City Will Rogers World

Wed 4/1

1:10 pm-9:55 pm

2 stops25h 45m

Trieste Ronchi dei Legionari

Sun 4/5

6:20 am-9:58 pm

2 stops22h 38m

$873

FayettevilleTrieste

XNA - TRS

XNATRS

Fayetteville Northwest Arkansas

Fri 11/14

11:29 am-2:05 pm

2 stops43h 36m

Trieste Ronchi dei Legionari

Sat 12/13

6:25 am-5:40 pm

2 stops18h 15m

$892

FayettevilleTrieste

XNA - TRS

XNATRS

Fayetteville Northwest Arkansas

Fri 11/14

11:29 am-2:05 pm

2 stops43h 36m

Trieste Ronchi dei Legionari

Mon 12/8

2:40 pm-9:55 pm

2 stops38h 15m

$899

FayettevilleTrieste

XNA - TRS

XNATRS

Fayetteville Northwest Arkansas

Thu 11/13

6:28 pm-2:05 pm

2 stops36h 37m

Trieste Ronchi dei Legionari

Tue 12/9

6:15 am-9:55 pm

2 stops22h 40m

$958

FayettevilleTrieste

XNA - TRS

XNATRS

Fayetteville Northwest Arkansas

Thu 11/13

6:28 pm-2:05 pm

2 stops36h 37m

Trieste Ronchi dei Legionari

Fri 12/12

6:25 am-9:55 pm

2 stops22h 30m

$958

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 15 results
1
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Best time to book a flight from Oklahoma to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from Oklahoma 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 Oklahoma to Trieste

What is the cheapest month to book a flight from Oklahoma to Trieste?

Currently, February is the cheapest month in which you can book a flight from Oklahoma to Trieste (average of $561). Flying from Oklahoma to Trieste in December is currently the most expensive (average of $1,860). 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.

Related info for your journey

Find useful and relevant information for your journey from Oklahoma to Trieste. 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 into for flights to Trieste from Oklahoma?

    If you book a flight to Trieste from Oklahoma, you will be flying to Ronchi dei Legionari, which is the city’s only airport. Trieste Ronchi dei Legionari (TRS) is located 18.2 mi from the center of Trieste.

  • How long is the flight from Oklahoma to Trieste?

    For as low as $1,577, Lufthansa can have you in Trieste from Oklahoma in 18h 25m. Oklahoma and Trieste are separated by a distance of 5480 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Oklahoma to Trieste?

    The most popular flight routes from Oklahoma to Trieste are Dallas/Fort Worth - Trieste Ronchi dei Legionari, Fayetteville Northwest Arkansas - Trieste Ronchi dei Legionari and Oklahoma City Will Rogers World - Trieste Ronchi dei Legionari.

  • Can I find deals for flights from Oklahoma to Trieste that include hotel bookings?

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

  • How can I find direct flights from Oklahoma to Trieste?

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

  • Can I find deals for business class flights from Oklahoma to Trieste?

    Yes. Cheapflights offers flight deals from Oklahoma to Trieste 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 Oklahoma to Trieste?

    Currently, February is the cheapest month in which you can book a flight from Oklahoma to Trieste (average of $561). Flying from Oklahoma to Trieste in December is currently the most expensive (average of $1,860). 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

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