How long is the flight from Oklahoma City to Trieste?

For as low as $1,841, Lufthansa can have you in Trieste from Oklahoma City in 17h 42m. Oklahoma City and Trieste are separated by a distance of 5373 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Trieste ranges from 2.4 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. February is typically the driest time to visit Trieste when rainfall is around 2.4 in.

If weather is an important factor for your trip to Trieste, 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 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

What is the cheapest time of day to fly from OKC to TRS?

When flying from Oklahoma City to Trieste, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Oklahoma City 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.

$1,684+ Flights from Oklahoma City to Trieste

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Cheap flight deals from Oklahoma City to Trieste

Cheapest flights from Oklahoma City to Trieste
Explore the most affordable flight options available from Oklahoma City to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

Fri 3/131:50 pm

OKC

TRS

2 stops18h 15m

Lufthansa

Fri 3/203:00 pm

TRS

OKC

2 stops33h 47m

Lufthansa

Deal found 1/27

$1,684

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 1/26

$1,841

Fri 3/136:01 pm

OKC

TRS

3 stops61h 59m

Multiple Airlines

Fri 3/203:00 pm

TRS

OKC

2 stops31h 41m

Multiple Airlines

Deal found 1/27

$2,107

Thu 4/210:25 am

OKC

TRS

2 stops17h 00m

United Airlines

Sun 4/56:35 am

TRS

OKC

2 stops19h 26m

United Airlines

Deal found 1/28

$2,153

Wed 7/14:35 pm

OKC

TRS

2 stops34h 50m

United Airlines

Sun 8/26:35 am

TRS

OKC

2 stops19h 09m

United Airlines

Deal found 1/28

$4,888

Best flights from Oklahoma City to Trieste
Discover carefully curated flight deals from Oklahoma City to Trieste that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 29, 2026.

Fri 3/131:50 pm

OKC

TRS

2 stops18h 15m

Lufthansa

Fri 3/203:00 pm

TRS

OKC

2 stops33h 47m

Lufthansa

Deal found 1/27

$1,684

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 1/26

$1,841

Fri 3/136:01 pm

OKC

TRS

3 stops61h 59m

Multiple Airlines

Fri 3/203:00 pm

TRS

OKC

2 stops31h 41m

Multiple Airlines

Deal found 1/27

$2,107

Thu 4/210:25 am

OKC

TRS

2 stops17h 00m

United Airlines

Sun 4/56:35 am

TRS

OKC

2 stops19h 26m

United Airlines

Deal found 1/28

$2,153

Wed 7/14:35 pm

OKC

TRS

2 stops34h 50m

United Airlines

Sun 8/26:35 am

TRS

OKC

2 stops19h 09m

United Airlines

Deal found 1/28

$4,888

Find flight deals from Oklahoma City to Trieste

Round-trip from	$1,684 (Gurufare)

From Oklahoma City Will Rogers World to Trieste Ronchi dei Legionari

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Oklahoma CityTrieste

OKC - TRS

OKCTRS

Oklahoma City Will Rogers World

Fri 3/13

1:50 pm-2:05 pm

2 stops18h 15m

Trieste Ronchi dei Legionari

Fri 3/20

3:00 pm-6:47 pm

2 stops33h 47m

$1,684

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

$1,841

Oklahoma CityTrieste

OKC - TRS

OKCTRS

Oklahoma City Will Rogers World

Fri 3/13

6:01 pm-2:00 pm

3 stops61h 59m

Trieste Ronchi dei Legionari

Fri 3/20

3:00 pm-4:41 pm

2 stops31h 41m

$2,107

Oklahoma CityTrieste

OKC - TRS

OKCTRS

Oklahoma City Will Rogers World

Thu 4/2

10:25 am-10:25 am

2 stops17h 00m

Trieste Ronchi dei Legionari

Sun 4/5

6:35 am-7:01 pm

2 stops19h 26m

$2,153

Oklahoma CityTrieste

OKC - TRS

OKCTRS

Oklahoma City Will Rogers World

Wed 7/1

4:35 pm-10:25 am

2 stops34h 50m

Trieste Ronchi dei Legionari

Sun 8/2

6:35 am-6:44 pm

2 stops19h 09m

$4,888

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Best time to book a flight from Oklahoma City to Trieste

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

Related info for your journey

How long is the flight from Oklahoma City to Trieste?
For as low as $1,841, Lufthansa can have you in Trieste from Oklahoma City in 17h 42m. Oklahoma City and Trieste are separated by a distance of 5373 mi. This flight may include one or multiple stops.
Can I find deals for flights from Oklahoma City to Trieste that include hotel bookings?
Yes. In addition to deals on Oklahoma City to Trieste flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Oklahoma City to Trieste?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oklahoma City to Trieste.
Can I find deals for business class flights from Oklahoma City to Trieste?
Yes. Cheapflights offers flight deals from Oklahoma City 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.

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$1,684+ Cheap flights from Oklahoma City (OKC) 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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Oklahoma City to Trieste with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Oklahoma City to Trieste

Cheapest flights from Oklahoma City to TriesteExplore the most affordable flight options available from Oklahoma City to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

Explore the most affordable flight options available from Oklahoma City to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

Find flight deals from Oklahoma City to Trieste

Round-trip from

Cheapflights Fare Finder

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

Best time to book a flight from Oklahoma City to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from Oklahoma City with our price prediction graph.

Related info for your journey

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

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

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

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

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 Oklahoma City to Trieste

See prices for flight routes from nearby airports that may be better suited for you.

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Book with Flexibility

Travel Smart

Cheapest flights from Oklahoma City to Trieste
Explore the most affordable flight options available from Oklahoma City to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.