Cheap flights from Washington, D.C. to Trieste from $314
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Trieste departing on 4/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Washington, D.C. to Trieste
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
ITA Airways flights from Washington, D.C. to Trieste
Our best ITA Airways deals on Washington, D.C. to Trieste flight tickets
Icelandair flights from Washington, D.C. to Trieste
Our best Icelandair deals on Washington, D.C. to Trieste flight tickets
See travel insights to Trieste from
How to get the cheapest flight ticket from Washington, D.C. 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 day to depart on your flight to Trieste?
The cheapest day to depart on your flight to Trieste is on a Tuesday when prices can be found for as low as $866. This is often the case because there is less demand to fly during this day of the week. Flights from Washington, D.C. to Trieste on a Friday will generally be more expensive and average around $988. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Trieste?
Our most recent data shows that the best time of day to fly to Trieste is in the afternoon. Flights from Washington, D.C. to Trieste during this time can be as low as $969. Flights to Trieste are more costly in the afternoon, with an average ticket price of $969. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest airline that flies from Washington, D.C. to Trieste Ronchi dei Legionari?
ITA Airways, Icelandair, and Delta are the most popular carriers operating from Washington, D.C. to Trieste Ronchi dei Legionari
What airlines fly to Trieste?
United Airlines, British Airways and ITA Airways are the top three most popular airlines that fly to Trieste from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 14 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 Washington, D.C. to Trieste
Cheap Washington, D.C. to Trieste (WAS to TRS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Trieste
How far is Washington, D.C. to Trieste Ronchi dei Legionari by plane?
A flight from Washington, D.C. to Trieste Ronchi dei Legionari will travel around 4405.3 mi. Flights usually cover this in 11h 55m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Washington, D.C. to Trieste Ronchi dei Legionari Airport?
Prices for flights from Washington, D.C. to Trieste Ronchi dei Legionari Airport are updated daily.
How many operators does momondo search for flights from Washington, D.C. to Trieste Ronchi dei Legionari Airport?
There are 2 operators available for flights from Washington, D.C. to Trieste Ronchi dei Legionari Airport as of March 2025.
How old do you have to be to fly from Washington, D.C. to Trieste Ronchi dei Legionari Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Trieste Ronchi dei Legionari Airport.
What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?
The travel and health documents you'll need for your trip to Trieste Ronchi dei Legionari Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Trieste Ronchi dei Legionari Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. to Trieste?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to Trieste is ITA Airways (100% of total bookings).
Best airlines flying from Washington, D.C. to Trieste
Compare and see reviews for airlines that fly from Washington, D.C. to Trieste with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $665 | Free Cancellation | Rating 6.7 946 reviews | |||
| PriceFrom $796 | Free Cancellation | Rating 6.7 6,955 reviews |
Traveling to a place near Trieste?
Book flights to Trieste if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Trieste?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Trieste. momondo saves you time and could save you money on your trip.
Can I find flights from Washington, D.C. to Trieste with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Washington, D.C. to Trieste flights to just show those with flexible booking policies.
How can momondo help me find flights from Washington, D.C. to Trieste?
Once you have performed a search for Washington, D.C. to Trieste flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Washington, D.C. 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 Washington, D.C. and alert you when they change.