TRS - WAS

$675 Find Cheap Flights from Trieste to Washington, D.C. - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$675
Typical prices: $681-$767
Multiple Airlines
Thu 3/1Sun 3/4
TRS - IAD • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Trieste and Washington, D.C.. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
September
Cheapest • 2% price drop
September
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Rome Fiumicino (FCO)
Cheapest • Avg $734 (round-trip)
Frankfurt am Main (FRA)
Shortest trip • 14h 22m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Trieste to Washington, D.C. (TRS-WAS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Trieste to Washington, D.C.

Mon, Mar 1 - Thu, Mar 4
Multiple Airlines Logo
6:35 am - 6:30 pmTRS  Trieste Ronchi dei Legionari-IAD Washington, D.C. Dulles Intl
17h 55m2 stops Rome Fiumicino Reykjavik Keflavik Intl
Multiple Airlines Logo
7:40 pm - 6:30 pmIAD  Washington, D.C. Dulles Intl-TRS Trieste Ronchi dei Legionari
16h 50m2 stops Reykjavik Keflavik Intl Rome Fiumicino
$675Multiple Airlines
Thu, Nov 5 - Sun, Nov 8
ITA Airways Logo
6:35 am - 2:30 pmTRS  Trieste Ronchi dei Legionari-IAD Washington, D.C. Dulles Intl
13h 55m1 stop Rome Fiumicino
ITA Airways Logo
4:30 pm - 6:30 pmIAD  Washington, D.C. Dulles Intl-TRS Trieste Ronchi dei Legionari
20h 00m1 stop Rome Fiumicino
$686ITA Airways
Thu, Nov 5 - Sun, Nov 8
ITA Airways Logo
6:35 am - 2:30 pmTRS  Trieste Ronchi dei Legionari-IAD Washington, D.C. Dulles Intl
13h 55m1 stop Rome Fiumicino
ITA Airways Logo
4:30 pm - 6:30 pmIAD  Washington, D.C. Dulles Intl-TRS Trieste Ronchi dei Legionari
20h 00m1 stop Rome Fiumicino
$687ITA Airways
Thu, Nov 5 - Sun, Nov 8
ITA Airways Logo
6:35 am - 2:30 pmTRS  Trieste Ronchi dei Legionari-IAD Washington, D.C. Dulles Intl
13h 55m1 stop Rome Fiumicino
ITA Airways Logo
4:30 pm - 6:30 pmIAD  Washington, D.C. Dulles Intl-TRS Trieste Ronchi dei Legionari
20h 00m1 stop Rome Fiumicino
$688ITA Airways
Sat, Nov 7 - Wed, Nov 11
Multiple Airlines Logo
6:35 am - 8:14 pmTRS  Trieste Ronchi dei Legionari-IAD Washington, D.C. Dulles Intl
19h 39m2 stops Rome Fiumicino Atlanta Hartsfield-Jackson
Multiple Airlines Logo
5:00 pm - 2:30 pmIAD  Washington, D.C. Dulles Intl-TRS Trieste Ronchi dei Legionari
15h 30m2 stops Atlanta Hartsfield-Jackson Rome Fiumicino
$730Multiple Airlines
Mon, Mar 1 - Thu, Mar 4
Multiple Airlines Logo
10:45 am - 7:20 pmTRS  Trieste Ronchi dei Legionari-IAD Washington, D.C. Dulles Intl
14h 35m1 stop Dublin
Multiple Airlines Logo
1:30 pm - 11:55 amIAD  Washington, D.C. Dulles Intl-TRS Trieste Ronchi dei Legionari
16h 25m2 stops Istanbul Tirana Rinas
$968Multiple Airlines
Mon, Nov 9 - Fri, Nov 13
TAP AIR PORTUGAL Logo
3:15 pm - 2:40 pmTRS  Trieste Ronchi dei Legionari-IAD Washington, D.C. Dulles Intl
29h 25m2 stops Rome Fiumicino Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
10:30 pm - 2:30 pmIAD  Washington, D.C. Dulles Intl-TRS Trieste Ronchi dei Legionari
34h 00m2 stops Lisbon Humberto Delgado Rome Fiumicino
$1,010TAP AIR PORTUGAL
Thu, Nov 5 - Sun, Nov 8
ITA Airways Logo
6:35 am - 2:30 pmTRS  Trieste Ronchi dei Legionari-IAD Washington, D.C. Dulles Intl
13h 55m1 stop Rome Fiumicino
ITA Airways Logo
12:50 pm - 10:55 pmIAD  Washington, D.C. Dulles Intl-TRS Trieste Ronchi dei Legionari
28h 05m2 stops Boston Logan Intl Rome Fiumicino
$1,013ITA Airways
Thu, Nov 5 - Sun, Nov 8
ITA Airways Logo
7:15 pm - 9:28 pmTRS  Trieste Ronchi dei Legionari-IAD Washington, D.C. Dulles Intl
32h 13m2 stops Rome Fiumicino Boston Logan Intl
ITA Airways Logo
4:30 pm - 10:55 pmIAD  Washington, D.C. Dulles Intl-TRS Trieste Ronchi dei Legionari
24h 25m1 stop Rome Fiumicino
$1,017ITA Airways
Mon, Mar 1 - Thu, Mar 4
ITA Airways Logo
3:15 pm - 2:40 pmTRS  Trieste Ronchi dei Legionari-IAD Washington, D.C. Dulles Intl
29h 25m1 stop Rome Fiumicino
ITA Airways Logo
4:45 pm - 2:30 pmIAD  Washington, D.C. Dulles Intl-TRS Trieste Ronchi dei Legionari
15h 45m1 stop Rome Fiumicino
$1,021ITA Airways
Booking Insights

Price, demand and travel trends for Trieste to Washington, D.C. flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What is the cheapest Trieste to Washington, D.C. flight route?

There's little price difference between Trieste to Washington, D.C. routes. They average around $693 round-trip, based on KAYAK data over the past 12 months.

Find deals

Key details for Trieste to Washington, D.C. flights

Cheapest flight

$675
The most popular month to fly with an average 49% increase in travelers.
Round-trip flight from Trieste to Washington, D.C. Dulles Intl Airport

When to book flights from Trieste to Washington, D.C.

Are your dates flexible? Find out the best times to travel from Trieste to Washington, D.C. based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Trieste to Washington, D.C. flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Trieste to Washington, D.C.?

    Two cabin classes are available on flights from Trieste to Washington, D.C.:

    • Economy Class
    • Business Class

  • How long is a flight from Trieste to Washington, D.C.?

    A nonstop flight from Trieste to Washington, D.C. takes 00m, covering 4,387 miles.

  • Do I need a passport to fly from Trieste to Washington, D.C.?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Trieste to Washington, D.C. flight?

    Round-trip flights from Trieste to Washington, D.C. range from $681 to $767, with an average of $693 over the past 12 months. Anything below $681 counts as a good deal.

  • Have flight prices from Trieste to Washington, D.C. changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $675 to $1,738. That means the highest observed fare was about 3x higher than the lowest one.

  • What car rental options are available in Washington, D.C.?

    Since Washington, D.C. is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Washington, D.C. Reagan-National Airport (DCA) — daily rates from around $24:

    • Sixt
    • Dollar
    • Thrifty
    • Hertz
    • Alamo

    Near Washington, D.C. Dulles Intl Airport (IAD) — daily rates from around $24:

    • Dollar
    • Hertz
    • Budget
    • Sixt
    • Thrifty

  • Which airports can I use when flying from Trieste to Washington, D.C.?

    Flights from Trieste to Washington, D.C. usually depart from Trieste Ronchi dei Legionari (TRS) and may arrive at several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD).

  • Which airports do connecting flights from Trieste to Washington, D.C. pass through?

    Connecting flights from Trieste to Washington, D.C. most commonly pass through:

    • Rome Fiumicino (FCO) - 93% of one-stop connections
    • Frankfurt am Main (FRA) - 7% of one-stop connections

  • Can I save money by using flexible dates for flights from Trieste to Washington, D.C.?

    Yes. Flexible dates can save you up to 19% on flights from Trieste to Washington, D.C.. Tuesday is the cheapest departure day at $679 round-trip on average, while Wednesday is the most expensive at $833, a difference of $154.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Trieste to Washington, D.C.?

    Flying via Rome Fiumicino (FCO) gives the shortest average 1-stop total travel time at 13h 21m, compared with 14h 22m via Frankfurt am Main (FRA).

  • What is the time difference between Trieste and Washington, D.C.?

    Washington, D.C. is 5 hours behind Trieste (Eastern Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Washington, D.C.?

    Some of the most popular sights in Washington, D.C. are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. on KAYAK.

Your guide to booking Trieste to Washington, D.C. flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Wednesday. On this route, Tuesday flights average $679, about $154 less than Wednesday fares (18% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Trieste to Washington, D.C. trip for September. Fares historically average $679 round-trip in that month - typically $405 less than the most expensive month, which is April (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Washington, D.C. Reagan-National Airport.

    • Hyatt House Washington DC The Wharf
    • Intercontinental Hotels Washington D.C. - The Wharf By IHG
    • Canopy by Hilton Washington D.C - The Wharf

More options for your flight from Trieste to Washington, D.C.

Complete your trip to Washington, D.C. with a hotel stay or car rental

Car rentals in Washington, D.C.
Hotels in Washington, D.C.
Vacations in Washington, D.C.