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Trieste

$302+ Cheap flights from Washington to Trieste (TRS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — TRS
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
1 adult, Economy
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Cheap flight deals from Washington to Trieste

Keep the following information in mind while searching for Washington to Trieste flight deals. Data was last updated April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$994
(Gurufare)

One-way from

$302
(Kiwi.com)
Provider with most accurate pricing for Seattle/Tacoma Intl-Trieste Ronchi dei Legionari flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Trieste Ronchi dei Legionari flights.
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From Washington to Trieste Ronchi dei Legionari
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One-way flight from Washington to Trieste Ronchi dei Legionari
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Find flight deals from Washington to Trieste

Cheapest flights from Washington to Trieste
Explore the most affordable flight options available from Washington to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.

This Gurufare deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/32:15 pmSEA - TRS
1 stop14h 50mLufthansa
Fri 5/92:45 pmTRS - SEA
2 stops36h 48mLufthansa
Deal found 4/2$994
This Gotogate deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/37:00 pmSEA - TRS
2 stops38h 30mMultiple Airlines
Fri 5/911:15 amTRS - SEA
2 stops18h 25mMultiple Airlines
Deal found 4/2$1,013
This Lufthansa deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2712:40 pmPDX - TRS
2 stops16h 25mLufthansa
Thu 9/116:30 amTRS - PDX
2 stops21h 16mLufthansa
Deal found 4/1$1,099
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/177:00 amPDX - TRS
2 stops22h 25mDelta
Wed 7/96:35 amTRS - PDX
2 stops21h 21mDelta
Deal found 4/1$1,147
This Mytrip deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/171:45 pmPDX - TRS
2 stops21h 00mMultiple Airlines
Wed 7/96:35 amTRS - PDX
3 stops39h 17mMultiple Airlines
Deal found 4/1$1,269

Cheapflights Fare Finder

Customize your flight search to find flights from Washington to Trieste that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 3, 2025.
Use the filters below to find and compare flights from Washington to Trieste that are best for you.

Fly from

Washington

Fly to

Trieste

Route

Depart

Return

Price

SeattleTrieste

SEA - TRS

SEATRS

Seattle/Tacoma Intl

Sat 5/3

2:15 pm-2:05 pm

1 stop14h 50m

Trieste Ronchi dei Legionari

Fri 5/9

2:45 pm-6:33 pm

2 stops36h 48m

$994

SeattleTrieste

SEA - TRS

SEATRS

Seattle/Tacoma Intl

Sat 5/3

7:00 pm-6:30 pm

2 stops38h 30m

Trieste Ronchi dei Legionari

Fri 5/9

11:15 am-8:40 pm

2 stops18h 25m

$1,013

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Wed 8/27

12:40 pm-2:05 pm

2 stops16h 25m

Trieste Ronchi dei Legionari

Thu 9/11

6:30 am-6:46 pm

2 stops21h 16m

$1,099

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Tue 6/17

7:00 am-2:25 pm

2 stops22h 25m

Trieste Ronchi dei Legionari

Wed 7/9

6:35 am-6:56 pm

2 stops21h 21m

$1,147

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Tue 6/17

1:45 pm-7:45 pm

2 stops21h 00m

Trieste Ronchi dei Legionari

Wed 7/9

6:35 am-12:52 pm

3 stops39h 17m

$1,269

SeattleTrieste

SEA - TRS

SEATRS

Seattle/Tacoma Intl

Thu 7/10

11:30 pm-3:20 pm

2 stops54h 50m

$302

SeattleTrieste

SEA - TRS

SEATRS

Seattle/Tacoma Intl

Tue 8/12

2:20 pm-2:05 pm

1 stop14h 45m

$648

PortlandTrieste

PDX - TRS

PDXTRS

Portland

Fri 4/18

12:54 pm-2:05 pm

2 stops16h 11m

$712

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Best time to book a flight from Washington to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from Washington 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 Washington to Trieste

Rainfall in Trieste by month

Plan your trip to Trieste by taking into account the average rainfall totals by month.

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.

Temperature in Trieste by month

Plan your trip to Trieste by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Trieste

Get insights into the airlines that provide service to Trieste. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Trieste. Reviews last updated April 3, 2025.
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Lufthansa
6.7
Okay
6,963 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Washington to Trieste. 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 into for flights to Trieste from Washington?

    If you book a flight to Trieste from Washington, you will be flying to Ronchi dei Legionari, which is the city’s only airport. Trieste Ronchi dei Legionari (TRS) is located 18.2 mi from the center of Trieste.

  • Can I find deals for flights from Washington to Trieste that include hotel bookings?

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

  • How can I find direct flights from Washington to Trieste?

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

  • Can I find deals for business class flights from Washington to Trieste?

    Yes. Cheapflights offers flight deals from Washington 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.

See more FAQs

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Alternative routes for Washington to Trieste

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Top airline flying from Washington to Trieste

Discover the top airline that operate flights from Washington to Trieste. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$924Average$1,227FlexibilityNo cancel feeOn-time76%

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