Cheap flights from Seattle to Trieste from $647
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Trieste departing on 6/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Lufthansa flights from Seattle to Trieste
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Delta flights from Seattle to Trieste
Our best Delta deals on Seattle to Trieste flight tickets
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How to get the cheapest flight ticket from Seattle 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
What is the cheapest airline that flies from Seattle/Tacoma Intl to Trieste Ronchi dei Legionari?
Lufthansa is the most popular carrier operating from Seattle/Tacoma Intl to Trieste Ronchi dei Legionari
What airlines fly to Trieste?
Delta, British Airways and Turkish Airlines are the top three most popular airlines that fly to Trieste from Seattle according to our data. Delta is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 11 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.
When to book flights from Seattle to Trieste
Cheap Seattle to Trieste (SEA to TRS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Trieste
How far is Seattle/Tacoma Intl to Trieste Ronchi dei Legionari by plane?
A flight from Seattle/Tacoma Intl to Trieste Ronchi dei Legionari will travel around 5463.5 mi. 14h 45m is a normal flight duration for this route.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Trieste Ronchi dei Legionari Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Trieste Ronchi dei Legionari Airport were last updated today.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Trieste Ronchi dei Legionari Airport?
As of June 2025, there is 1 operator available to choose from for flights from Seattle/Tacoma Intl Airport to Trieste Ronchi dei Legionari Airport.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Trieste Ronchi dei Legionari Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Trieste Ronchi dei Legionari Airport.
What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?
The required travel and health documents for your Trieste Ronchi dei Legionari Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Trieste Ronchi dei Legionari Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Seattle to Trieste?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Trieste is Lufthansa (100% of total bookings).
Best airlines flying from Seattle to Trieste
Compare and see reviews for airlines that fly from Seattle to Trieste with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $924 | Free Cancellation | Rating 6.8 7,149 reviews |
Traveling to a place near Trieste?
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Why should I use momondo to find a flight deal from Seattle to Trieste?
It is quick and easy to find Seattle to Trieste flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Trieste that suits you.
Can I find flights from Seattle to Trieste with flexible booking policies on momondo?
Flights from Seattle to Trieste with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Seattle to Trieste?
Once all potential Seattle to Trieste flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Seattle to Trieste right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Trieste, momondo offers a useful price alert feature which will track prices for flights to Trieste from Seattle and alert you when they change.