HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Oklahoma

$711+ Cheap flights from Trieste (TRS) to Oklahoma

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
TRS — OKC
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Trieste to Oklahoma 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.

Cheap flight deals from Trieste to Oklahoma

Keep the following information in mind while searching for Trieste to Oklahoma flight deals. Data was last updated September 15, 2025.

Round-trip from

$765
(Lufthansa)

One-way from

$711
(oojo)
From Trieste Ronchi dei Legionari to Oklahoma
Search Deals
One-way flight from Trieste Ronchi dei Legionari to Oklahoma
Search Deals

Find flight deals from Trieste to Oklahoma

Best flights from Trieste to Oklahoma
Discover carefully curated flight deals from Trieste to Oklahoma that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

This Lufthansa deal was found by Cheapflights users on 9/14. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/136:25 amTRS - OKC
2 stops22h 11mLufthansa
Tue 2/179:51 amOKC - TRS
2 stops21h 09mLufthansa
Deal found 9/14$765

Cheapflights Fare Finder

 
Customize your flight search to find flights from Trieste to Oklahoma 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 September 15, 2025.
Use the filters below to find and compare flights from Trieste to Oklahoma that are best for you.

Fly from

Trieste

Fly to

Oklahoma

Route

Depart

Return

Price

TriesteOklahoma City

TRS - OKC

TRSOKC

Trieste Ronchi dei Legionari

Fri 2/13

6:25 am-9:36 pm

2 stops22h 11m

Oklahoma City Will Rogers World

Tue 2/17

9:51 am-2:00 pm

2 stops21h 09m

$765

TriesteDallas

TRS - DFW

TRSDFW

Trieste Ronchi dei Legionari

Mon 10/6

11:15 am-7:10 pm

2 stops38h 55m

$711

TriesteDallas

TRS - DFW

TRSDFW

Trieste Ronchi dei Legionari

Mon 10/6

6:30 am-2:05 pm

1 stop14h 35m

$1,125

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from Trieste to Oklahoma

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

    For a flight from Trieste to Oklahoma, you will be flying from Ronchi dei Legionari. Trieste Ronchi dei Legionari (TRS) is just 18.2 mi from the center of the city.

  • How long is the flight from Trieste to Oklahoma?

    A quick flight from Trieste to Oklahoma can take about 22h 11m. Lufthansa provides one of the quickest options available for as low as $765. There are 5373 mi between Trieste and Oklahoma.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Trieste to Oklahoma (average of $334). Flying from Trieste to Oklahoma in June is currently the most expensive (average of $401). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Trieste to Oklahoma

See prices for flight routes from nearby airports that may be better suited for you.
Vicenza to Newark flights
Vicenza to John F Kennedy Intl flights
Vicenza to LaGuardia flights
Vicenza to Miami flights
Vicenza to Fort Lauderdale flights
Vicenza to Los Angeles flights
Vicenza to Dulles Intl flights
Vicenza to West Palm Beach flights
Vicenza to O'Hare Intl flights
Vicenza to Hobby flights
Vicenza to San Francisco flights
Vicenza to Reagan-National flights
Trieste to Newark flights
Vicenza to Baltimore flights
Vicenza to Boston flights
Vicenza to Dallas/Fort Worth flights
Vicenza to George Bush Intcntl flights
Vicenza to Midway flights
Vicenza to Orlando flights
Vicenza to Honolulu flights
Trieste to John F Kennedy Intl flights
Vicenza to Atlanta flights
Vicenza to Raleigh flights
Vicenza to Charlotte flights
Vicenza to Ontario flights
Vicenza to Sky Harbor Intl flights
Vicenza to Las Vegas flights
Trieste to Los Angeles flights
Trieste to Miami flights
Vicenza to Albuquerque flights
Vicenza to Philadelphia flights
Vicenza to Tampa flights
Vicenza to Santa Ana flights
Vicenza to Pittsburgh flights
Vicenza to Portland flights
Vicenza to San Diego flights
Vicenza to Flint flights
Vicenza to San Jose flights
Vicenza to Akron flights
Vicenza to Seattle flights
Vicenza to Detroit flights
Vicenza to New Orleans flights
Vicenza to Fayetteville flights
Vicenza to Denver flights
Vicenza to Indianapolis flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.