When did momondo last update prices for flights from Trieste Ronchi dei Legionari Airport to Washington?

Prices for flights from Trieste Ronchi dei Legionari Airport to Washington refresh daily.

How old do you have to be to fly from Trieste Ronchi dei Legionari Airport to Washington?

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 Trieste Ronchi dei Legionari Airport to Washington.

What documentation or ID do you need to fly to Washington?

The required travel and health documents for your Washington 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 Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$1,118 Cheap Flights from Trieste to Washington in 2026

Find the cheapest flights from Trieste to Washington

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:35 am - 11:00 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

25h 25m2 stops Rome Fiumicino Boston Logan Intl

4:01 pm - 6:30 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

41h 29m2 stops New York John F Kennedy Intl Rome Fiumicino

$1,118KLM

Tue, Sep 8 - Sat, Sep 12

6:35 am - 3:30 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

17h 55m1 stop Rome Fiumicino

4:01 pm - 6:30 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

41h 29m2 stops New York John F Kennedy Intl Rome Fiumicino

$1,122Air France

Tue, Sep 8 - Sat, Sep 12

6:35 am - 9:55 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

24h 20m2 stops Rome Fiumicino Newark

10:50 am - 10:25 amSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

39h 35m2 stops Chicago O'Hare Intl Rome Fiumicino

$1,223United Airlines

Wed, Oct 21 - Sun, Oct 25

6:35 am - 2:53 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

41h 18m3 stops Rome Fiumicino Chicago O'Hare Intl Houston George Bush Intcntl

10:56 pm - 10:25 amSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

27h 29m2 stops Chicago O'Hare Intl Rome Fiumicino

$1,228United Airlines

Wed, Oct 21 - Sun, Oct 25

6:35 am - 2:53 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

41h 18m3 stops Rome Fiumicino Chicago O'Hare Intl Houston George Bush Intcntl

10:56 pm - 10:25 amSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

27h 29m2 stops Chicago O'Hare Intl Rome Fiumicino

$1,229United Airlines

Wed, Oct 21 - Sun, Oct 25

6:20 am - 11:55 amTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

14h 35m1 stop Frankfurt am Main

2:10 pm - 10:15 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

23h 05m1 stop Frankfurt am Main

$1,270Lufthansa

Tue, Sep 8 - Sat, Sep 12

7:25 pm - 3:40 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

29h 15m3 stops Rome Fiumicino Madrid Barajas Frankfurt am Main

3:40 pm - 9:00 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

20h 20m2 stops Reykjavik Keflavik Intl Milan Malpensa

$1,391Multiple Airlines

Tue, Sep 8 - Sat, Sep 12

7:25 pm - 3:40 pmTRS Trieste Ronchi dei Legionari-SEA Seattle/Tacoma Intl

29h 15m3 stops Rome Fiumicino Madrid Barajas Frankfurt am Main

3:40 pm - 10:55 pmSEA Seattle/Tacoma Intl-TRS Trieste Ronchi dei Legionari

22h 15m3 stops Reykjavik Keflavik Intl Geneva Geneve-Cointrin Rome Fiumicino

$1,475Multiple Airlines

Tue, Sep 8 - Sat, Sep 12

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United Airlines flights from Trieste to State of Washington

Our best United Airlines deals on Trieste to State of Washington flight tickets

United Airlines

Oct 21

TRS6:35 amTrieste Ronchi dei Legionari

24h 20m

2 stops

SEA9:55 pmSeattle/Tacoma Intl

Oct 25

SEA10:50 amSeattle/Tacoma Intl

39h 35m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

$1,223

United Airlines

Oct 21

TRS6:35 amTrieste Ronchi dei Legionari

41h 18m

3 stops

SEA2:53 pmSeattle/Tacoma Intl

Oct 25

SEA10:56 pmSeattle/Tacoma Intl

27h 29m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

$1,228

United Airlines

Oct 21

TRS6:35 amTrieste Ronchi dei Legionari

41h 18m

3 stops

SEA2:53 pmSeattle/Tacoma Intl

Oct 25

SEA10:56 pmSeattle/Tacoma Intl

27h 29m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

$1,229

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TriesteSeattle

TRS Trieste Ronchi dei Legionari - SEA Seattle/Tacoma Intl

TRSSEA

Trieste Ronchi dei Legionari

Tue 9/8

6:35 am-11:00 pm

2 stops25h 25m

Seattle/Tacoma Intl

Sat 9/12

4:01 pm-6:30 pm

2 stops41h 29m

$1,118

TriesteSeattle

TRS Trieste Ronchi dei Legionari - SEA Seattle/Tacoma Intl

TRSSEA

Trieste Ronchi dei Legionari

Tue 9/8

6:35 am-3:30 pm

1 stop17h 55m

Seattle/Tacoma Intl

Sat 9/12

4:01 pm-6:30 pm

2 stops41h 29m

$1,122

TriesteSeattle

TRS Trieste Ronchi dei Legionari - SEA Seattle/Tacoma Intl

TRSSEA

Trieste Ronchi dei Legionari

Wed 10/21

6:35 am-9:55 pm

2 stops24h 20m

Seattle/Tacoma Intl

Sun 10/25

10:50 am-10:25 am

2 stops39h 35m

$1,223

TriesteSeattle

TRS Trieste Ronchi dei Legionari - SEA Seattle/Tacoma Intl

TRSSEA

Trieste Ronchi dei Legionari

Wed 10/21

6:35 am-2:53 pm

3 stops41h 18m

Seattle/Tacoma Intl

Sun 10/25

10:56 pm-10:25 am

2 stops27h 29m

$1,228

TriesteSeattle

TRS Trieste Ronchi dei Legionari - SEA Seattle/Tacoma Intl

TRSSEA

Trieste Ronchi dei Legionari

Wed 10/21

6:35 am-2:53 pm

3 stops41h 18m

Seattle/Tacoma Intl

Sun 10/25

10:56 pm-10:25 am

2 stops27h 29m

$1,229

Quickest round-trip

TriesteSeattle

TRS Trieste Ronchi dei Legionari - SEA Seattle/Tacoma Intl

TRSSEA

Trieste Ronchi dei Legionari

Tue 9/8

6:20 am-11:55 am

1 stop14h 35m

Seattle/Tacoma Intl

Sat 9/12

2:10 pm-10:15 pm

1 stop23h 05m

$1,270

TriesteSeattle

TRS Trieste Ronchi dei Legionari - SEA Seattle/Tacoma Intl

TRSSEA

Trieste Ronchi dei Legionari

Tue 9/8

7:25 pm-3:40 pm

3 stops29h 15m

Seattle/Tacoma Intl

Sat 9/12

3:40 pm-9:00 pm

2 stops20h 20m

$1,391

TriesteSeattle

TRS Trieste Ronchi dei Legionari - SEA Seattle/Tacoma Intl

TRSSEA

Trieste Ronchi dei Legionari

Tue 9/8

7:25 pm-3:40 pm

3 stops29h 15m

Seattle/Tacoma Intl

Sat 9/12

3:40 pm-10:55 pm

3 stops22h 15m

$1,475

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Trieste to State of Washington

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 airlines fly to State of Washington?

Condor, British Airways and United Airlines are the top three most popular airlines that fly to State of Washington from Trieste according to our data. Condor is the first choice among our users, with 36% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 3 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

Cheap Trieste to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Trieste to State of Washington

Best Price Found	$1,118
Fastest flight time	41h 18m
Direct flights	None

The best flight deal from Trieste to State of Washington found on momondo in the last 72 hours is $1,118

The fastest flight from Trieste to State of Washington takes 41h 18m

There are no direct flights from Trieste to State of Washington. There are no popular flight routes from Trieste to State of Washington.

Search flight deals

Frequently asked questions about flying from Trieste to Washington

When did momondo last update prices for flights from Trieste Ronchi dei Legionari Airport to Washington?
Prices for flights from Trieste Ronchi dei Legionari Airport to Washington refresh daily.
How old do you have to be to fly from Trieste Ronchi dei Legionari Airport to Washington?
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 Trieste Ronchi dei Legionari Airport to Washington.
What documentation or ID do you need to fly to Washington?
The required travel and health documents for your Washington 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 Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Trieste to Washington?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington from Trieste.

Can I find flights from Trieste to Washington with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Trieste to Washington flights to just show those with flexible booking policies.

How can momondo help me find flights from Trieste to Washington?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Trieste to Washington.

I’m not ready to book a flight from Trieste to Washington right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, momondo offers a useful price alert feature which will track prices for flights to Washington from Trieste and alert you when they change.