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Trieste

$747+ Cheap flights from Oklahoma to Trieste (TRS)

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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — TRS
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap 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 February 3, 2026.

This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/59:43 am
OKC
-
TRS
2 stops17h 42m
United Airlines
Mon 3/96:35 am
TRS
-
OKC
2 stops21h 55m
United Airlines
Deal found 2/2$1,831
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:27 am
XNA
-
TRS
2 stops15h 58m
United Airlines
Sun 3/86:35 am
TRS
-
XNA
2 stops17h 01m
United Airlines
Deal found 2/2$1,996
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1112:31 pm
DFW
-
TRS
2 stops14h 54m
United Airlines
Tue 6/166:35 am
TRS
-
DFW
2 stops22h 10m
United Airlines
Deal found 2/2$2,207
This Emirates deal was found by Cheapflights users on 1/31. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2512:15 pm
DFW
-
TRS
2 stops48h 15m
Emirates
Sun 3/297:15 pm
TRS
-
DFW
2 stops45h 25m
Emirates
Deal found 1/31$2,244
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2512:00 pm
DFW
-
TRS
2 stops16h 25m
United Airlines
Sun 3/296:35 am
TRS
-
DFW
2 stops39h 17m
United Airlines
Deal found 2/1$2,246
This Emirates deal was found by Cheapflights users on 1/31. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1212:15 pm
DFW
-
TRS
2 stops28h 40m
Emirates
Sun 3/2211:15 am
TRS
-
DFW
2 stops28h 25m
Emirates
Deal found 1/31$3,569
This FlightHub deal was found by Cheapflights users on 2/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/209:50 am
TUL
-
TRS
2 stops21h 10m
Lufthansa
Wed 6/32:40 pm
TRS
-
TUL
2 stops38h 50m
Lufthansa
Deal found 2/2$12,757

Find flight deals from Oklahoma to Trieste

Keep the following information in mind while searching for Oklahoma to Trieste flight deals. Data was last updated February 3, 2026.

Round-trip from

$1,103
(United Airlines)

One-way from

$747
(KAYAK)
From Oklahoma to Trieste Ronchi dei Legionari
Search Deals
One-way flight from Oklahoma to Trieste Ronchi dei Legionari
Search Deals

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 February 3, 2026.
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

Oklahoma CityTrieste

OKC - TRS

OKCTRS

Oklahoma City Will Rogers World

Thu 3/5

9:43 am-10:25 am

2 stops17h 42m

Trieste Ronchi dei Legionari

Mon 3/9

6:35 am-10:30 pm

2 stops21h 55m

$1,831

FayettevilleTrieste

XNA - TRS

XNATRS

Fayetteville Northwest Arkansas

Wed 3/4

7:45 am-10:25 am

2 stops19h 40m

Trieste Ronchi dei Legionari

Sun 3/8

6:35 am-9:01 pm

2 stops21h 26m

$1,996

DallasTrieste

DFW - TRS

DFWTRS

Dallas/Fort Worth

Thu 6/11

12:31 pm-10:25 am

2 stops14h 54m

Trieste Ronchi dei Legionari

Tue 6/16

6:35 am-9:45 pm

2 stops22h 10m

$2,207

DallasTrieste

DFW - TRS

DFWTRS

Dallas/Fort Worth

Wed 3/25

12:15 pm-6:30 pm

2 stops48h 15m

Trieste Ronchi dei Legionari

Sun 3/29

7:15 pm-9:40 am

2 stops45h 25m

$2,244

DallasTrieste

DFW - TRS

DFWTRS

Dallas/Fort Worth

Wed 3/25

12:00 pm-10:25 am

2 stops16h 25m

Trieste Ronchi dei Legionari

Sun 3/29

6:35 am-2:52 pm

2 stops39h 17m

$2,246

TulsaTrieste

TUL - TRS

TULTRS

Tulsa

Wed 5/20

9:50 am-2:00 pm

2 stops21h 10m

Trieste Ronchi dei Legionari

Wed 6/3

2:40 pm-10:30 pm

2 stops38h 50m

$12,757

DallasTrieste

DFW - TRS

DFWTRS

Dallas/Fort Worth

Sun 5/17

3:30 pm-1:55 pm

2 stops39h 25m

$747

DallasTrieste

DFW - TRS

DFWTRS

Dallas/Fort Worth

Sat 5/16

4:20 pm-1:45 pm

2 stops38h 25m

$751

DallasTrieste

DFW - TRS

DFWTRS

Dallas/Fort Worth

Fri 5/15

4:00 pm-9:55 pm

1 stop22h 55m

$885

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

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
No data available for this route at this time. Please check back soon.

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 $1,831, United Airlines can have you in Trieste from Oklahoma in 17h 42m. Oklahoma and Trieste are separated by a distance of 5373 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, Oklahoma City Will Rogers World - Trieste Ronchi dei Legionari and Fayetteville Northwest Arkansas - 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.

See more FAQs

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