What are the cheapest airlines flying from Trieste to Washington, D.C. round-trip?

Currently priced at $588, ITA Airways will fly you from Trieste to Washington, D.C. and back. In addition to ITA Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Lufthansa and Delta - these airlines can fly you to your destination from $673 and $749, respectively.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Trieste to Washington, D.C. as you normally would.

What airport do you fly from for flights from Trieste to Washington, D.C.?

Located just 18.2 mi from the city center, Trieste Ronchi dei Legionari is the airport most travelers will use when flying to Washington, D.C. from Trieste. Booking flights from Ronchi dei Legionari (TRS) to Washington, D.C. should be relatively easy as there are 0 daily outbound flights to Washington, D.C. from 0 different airlines.

Can I find deals for flights from Trieste to Washington, D.C. that include hotel bookings?

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

How can I find direct flights from Trieste to Washington, D.C.?

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

Can I find deals for business class flights from Trieste to Washington, D.C.?

Yes. Cheapflights offers flight deals from Trieste to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$537+ Flights from Trieste to Washington, D.C.

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Cheap flight deals from Trieste to Washington, D.C.

Round-trip from	$537 (Trip.com)

From Trieste Ronchi dei Legionari to Washington, D.C. (WAS)

Search Deals

Find flight deals from Trieste to Washington, D.C.

Cheapest flights from Trieste to Washington, D.C.
Explore the most affordable flight options available from Trieste to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Sun 8/317:25 pmTRS - IAD

2 stops25h 55mMultiple Airlines

Thu 9/185:50 pmIAD - TRS

2 stops18h 45mMultiple Airlines

Deal found 6/12

$537

Thu 8/287:25 pmTRS - IAD

1 stop25h 15mITA Airways

Sun 9/214:30 pmIAD - TRS

1 stop24h 25mITA Airways

Deal found 6/12

$588

Thu 6/266:30 amTRS - IAD

1 stop14h 45mLufthansa

Mon 6/3010:10 pmIAD - TRS

1 stop18h 15mLufthansa

Deal found 6/10

$673

Fri 8/296:35 amTRS - IAD

2 stops22h 46mDelta

Sat 9/2012:30 pmIAD - TRS

2 stops39h 55mDelta

Deal found 6/12

$749

Fri 6/276:35 amTRS - IAD

2 stops18h 40mAir France

Tue 7/16:30 pmIAD - TRS

2 stops18h 00mAir France

Deal found 6/11

$904

Thu 8/287:25 pmTRS - IAD

2 stops25h 10mAustrian Airlines

Tue 9/165:25 pmIAD - TRS

2 stops19h 10mAustrian Airlines

Deal found 6/12

$914

Mon 9/111:15 amTRS - IAD

2 stops34h 05mTAP AIR PORTUGAL

Mon 9/155:45 pmIAD - TRS

2 stops18h 50mTAP AIR PORTUGAL

Deal found 6/12

$943

Best flights from Trieste to Washington, D.C.
Discover carefully curated flight deals from Trieste to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Sun 8/317:25 pmTRS - IAD

2 stops25h 55mMultiple Airlines

Thu 9/185:50 pmIAD - TRS

2 stops18h 45mMultiple Airlines

Deal found 6/12

$537

Thu 8/287:25 pmTRS - IAD

1 stop25h 15mITA Airways

Sun 9/214:30 pmIAD - TRS

1 stop24h 25mITA Airways

Deal found 6/12

$588

Thu 6/266:30 amTRS - IAD

1 stop14h 45mLufthansa

Mon 6/3010:10 pmIAD - TRS

1 stop18h 15mLufthansa

Deal found 6/10

$673

Fri 8/296:35 amTRS - IAD

2 stops22h 46mDelta

Sat 9/2012:30 pmIAD - TRS

2 stops39h 55mDelta

Deal found 6/12

$749

Fri 6/276:35 amTRS - IAD

2 stops18h 40mAir France

Tue 7/16:30 pmIAD - TRS

2 stops18h 00mAir France

Deal found 6/11

$904

Thu 8/287:25 pmTRS - IAD

2 stops25h 10mAustrian Airlines

Tue 9/165:25 pmIAD - TRS

2 stops19h 10mAustrian Airlines

Deal found 6/12

$914

Mon 9/111:15 amTRS - IAD

2 stops34h 05mTAP AIR PORTUGAL

Mon 9/155:45 pmIAD - TRS

2 stops18h 50mTAP AIR PORTUGAL

Deal found 6/12

$943

Last-minute flights from Trieste to Washington, D.C.
Discover last-minute flight deals from Trieste to Washington, D.C.. Data last updated June 12, 2025 and is based on user searches.

Thu 6/266:30 amTRS - IAD

1 stop14h 45mLufthansa

Mon 6/3010:10 pmIAD - TRS

1 stop18h 15mLufthansa

Deal found 6/10

$673

Fri 6/276:35 amTRS - IAD

2 stops18h 40mAir France

Tue 7/16:30 pmIAD - TRS

2 stops18h 00mAir France

Deal found 6/11

$904

Sat 7/263:15 pmTRS - IAD

1 stop29h 25mITA Airways

Sat 8/24:30 pmIAD - TRS

1 stop24h 25mITA Airways

Deal found 6/11

$692

Sat 7/266:35 amTRS - IAD

2 stops38h 45mMultiple Airlines

Sat 8/210:35 pmIAD - TRS

2 stops18h 20mMultiple Airlines

Deal found 6/11

$802

One-way flights from Trieste to Washington, D.C.
Search for one-way flight options from Trieste to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Fri 10/177:25 pmTRS - IAD

2 stops25h 10mAustrian Airlines

Deal found 6/10

$1,610

Cheapflights Fare Finder

Use the filters below to find and compare flights from Trieste to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Sun 8/31

7:25 pm-3:20 pm

2 stops25h 55m

Washington, D.C. Dulles Intl

Thu 9/18

5:50 pm-6:35 pm

2 stops18h 45m

$537

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Thu 8/28

7:25 pm-2:40 pm

1 stop25h 15m

Washington, D.C. Dulles Intl

Sun 9/21

4:30 pm-10:55 pm

1 stop24h 25m

$588

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Thu 6/26

6:30 am-3:15 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Mon 6/30

10:10 pm-10:25 pm

1 stop18h 15m

$673

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Fri 8/29

6:35 am-11:21 pm

2 stops22h 46m

Washington, D.C. Dulles Intl

Sat 9/20

12:30 pm-10:25 am

2 stops39h 55m

$749

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Fri 6/27

6:35 am-7:15 pm

2 stops18h 40m

Washington, D.C. Dulles Intl

Tue 7/1

6:30 pm-6:30 pm

2 stops18h 00m

$904

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Thu 8/28

7:25 pm-2:35 pm

2 stops25h 10m

Washington, D.C. Dulles Intl

Tue 9/16

5:25 pm-6:35 pm

2 stops19h 10m

$914

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Mon 9/1

11:15 am-3:20 pm

2 stops34h 05m

Washington, D.C. Dulles Intl

Mon 9/15

5:45 pm-6:35 pm

2 stops18h 50m

$943

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Fri 10/17

7:25 pm-2:35 pm

2 stops25h 10m

$1,610

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Trieste to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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 Washington, D.C.

What is the cheapest month to book a flight from Trieste to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Trieste to Washington, D.C. (average of $241). Flying from Trieste to Washington, D.C. in March is currently the most expensive (average of $290). 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.

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Austrian Airlines

7.6

Good

802 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air France

7.5

Good

1,463 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

TAP AIR PORTUGAL

7.1

Good

1,885 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

ITA Airways

6.7

Okay

990 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly from for flights from Trieste to Washington, D.C.?
Located just 18.2 mi from the city center, Trieste Ronchi dei Legionari is the airport most travelers will use when flying to Washington, D.C. from Trieste. Booking flights from Ronchi dei Legionari (TRS) to Washington, D.C. should be relatively easy as there are 0 daily outbound flights to Washington, D.C. from 0 different airlines.
What are the cheapest airlines flying from Trieste to Washington, D.C. round-trip?
Currently priced at $588, ITA Airways will fly you from Trieste to Washington, D.C. and back. In addition to ITA Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Lufthansa and Delta - these airlines can fly you to your destination from $673 and $749, respectively.
Can I find deals for flights from Trieste to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Trieste to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Trieste to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trieste to Washington, D.C..
Can I find deals for business class flights from Trieste to Washington, D.C.?
Yes. Cheapflights offers flight deals from Trieste to Washington, D.C. 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 Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Trieste to Washington, D.C. (average of $241). Flying from Trieste to Washington, D.C. in March is currently the most expensive (average of $290). 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.

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$537+ Cheap flights from Trieste (TRS) to Washington, D.C. (WAS)

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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Trieste to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Trieste to Washington, D.C.

Round-trip from

Find flight deals from Trieste to Washington, D.C.

Cheapest flights from Trieste to Washington, D.C.Explore the most affordable flight options available from Trieste to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from Trieste to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Trieste to Washington, D.C. that are best for you.

Best time to book a flight from Trieste to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Trieste with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Trieste to Washington, D.C.

What is the cheapest month to book a flight from Trieste to Washington, D.C.?

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

Related info for your journey

Find useful and relevant information for your journey from Trieste to Washington, D.C.. 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 Washington, D.C.?

What are the cheapest airlines flying from Trieste to Washington, D.C. round-trip?

Can I find deals for flights from Trieste to Washington, D.C. that include hotel bookings?

How can I find direct flights from Trieste to Washington, D.C.?

Can I find deals for business class flights from Trieste to Washington, D.C.?

What is the cheapest month to book a flight from Trieste to Washington, D.C.?

Traveling to a place near Trieste?

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Alternative routes for Trieste to Washington, D.C.

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Cheapest flights from Trieste to Washington, D.C.
Explore the most affordable flight options available from Trieste to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.