How do I get Price Alerts for flights from Trieste to State of Washington?

Confirm your travel details to search for the latest offers for flights from Trieste to State of Washington . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Trieste to State of Washington with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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.

$972 Cheap Flights from Trieste to Washington in 2026

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0 bags

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Find the cheapest flights from Trieste to Washington

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:10 am - 12:20 pm

TRS

SEA

15h 10m

1 stop

10:45 am - 1:45 pm

SEA

TRS

18h 00m

2 stops

$972Lufthansa

Wed, May 27 - Sun, May 31

6:10 am - 12:20 pm

TRS

SEA

15h 10m

1 stop

2:10 pm - 1:45 pm

SEA

TRS

14h 35m

1 stop

$974Lufthansa

Wed, May 27 - Sun, May 31

6:35 am - 9:55 pm

TRS

SEA

24h 20m

2 stops

11:04 pm - 10:25 am

SEA

TRS

26h 21m

2 stops

$1,194United Airlines

Thu, Oct 15 - Sun, Oct 18

6:35 am - 4:59 pm

TRS

SEA

19h 24m

2 stops

6:50 pm - 6:30 pm

SEA

TRS

38h 40m

2 stops

$1,201Lufthansa

Fri, Aug 21 - Tue, Sep 1

3:15 pm - 4:00 pm

TRS

SEA

33h 45m

2 stops

3:40 pm - 10:25 am

SEA

TRS

33h 45m

3 stops

$1,222Multiple Airlines

Wed, May 27 - Sun, May 31

6:35 am - 2:52 pm

TRS

SEA

41h 17m

3 stops

8:00 am - 10:25 am

SEA

TRS

41h 25m

2 stops

$1,248United Airlines

Fri, Aug 21 - Tue, Sep 1

6:10 am - 8:40 pm

TRS

SEA

23h 30m

3 stops

3:40 pm - 10:15 pm

SEA

TRS

21h 35m

3 stops

$1,292Multiple Airlines

Wed, May 27 - Sun, May 31

6:10 am - 2:22 pm

TRS

SEA

17h 12m

2 stops

2:10 pm - 1:45 pm

SEA

TRS

14h 35m

1 stop

$1,335Multiple Airlines

Fri, Aug 21 - Tue, Sep 1

11:15 am - 11:45 am

TRS

SEA

33h 30m

3 stops

3:40 pm - 10:25 am

SEA

TRS

33h 45m

3 stops

$1,341Multiple Airlines

Fri, Aug 21 - Tue, Sep 1

6:10 am - 11:55 am

TRS

SEA

14h 45m

1 stop

2:10 pm - 1:45 pm

SEA

TRS

14h 35m

1 stop

$1,438Lufthansa

Fri, Aug 21 - Tue, Sep 1

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 15

TRS6:35 amTrieste Ronchi dei Legionari

24h 20m

2 stops

SEA9:55 pmSeattle/Tacoma Intl

Oct 18

SEA11:04 pmSeattle/Tacoma Intl

26h 21m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

$1,194

United Airlines

Aug 21

TRS6:35 amTrieste Ronchi dei Legionari

41h 17m

3 stops

SEA2:52 pmSeattle/Tacoma Intl

Sep 1

SEA8:00 amSeattle/Tacoma Intl

41h 25m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

$1,248

Lufthansa flights from Trieste to State of Washington

Our best Lufthansa deals on Trieste to State of Washington flight tickets

Lufthansa

May 27

TRS6:10 amTrieste Ronchi dei Legionari

15h 10m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

May 31

SEA10:45 amSeattle/Tacoma Intl

18h 00m

2 stops

TRS1:45 pmTrieste Ronchi dei Legionari

$972

Lufthansa

May 27

TRS6:10 amTrieste Ronchi dei Legionari

15h 10m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

May 31

SEA2:10 pmSeattle/Tacoma Intl

14h 35m

1 stop

TRS1:45 pmTrieste Ronchi dei Legionari

$974

Lufthansa

Aug 21

TRS6:35 amTrieste Ronchi dei Legionari

19h 24m

2 stops

SEA4:59 pmSeattle/Tacoma Intl

Sep 1

SEA6:50 pmSeattle/Tacoma Intl

38h 40m

2 stops

TRS6:30 pmTrieste Ronchi dei Legionari

$1,201

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

Wed 5/27

6:10 am-12:20 pm

1 stop15h 10m

Seattle/Tacoma Intl

Sun 5/31

10:45 am-1:45 pm

2 stops18h 00m

$972

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

Wed 5/27

6:10 am-12:20 pm

1 stop15h 10m

Seattle/Tacoma Intl

Sun 5/31

2:10 pm-1:45 pm

1 stop14h 35m

$974

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

Thu 10/15

6:35 am-9:55 pm

2 stops24h 20m

Seattle/Tacoma Intl

Sun 10/18

11:04 pm-10:25 am

2 stops26h 21m

$1,194

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

Fri 8/21

6:35 am-4:59 pm

2 stops19h 24m

Seattle/Tacoma Intl

Tue 9/1

6:50 pm-6:30 pm

2 stops38h 40m

$1,201

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

Wed 5/27

3:15 pm-4:00 pm

2 stops33h 45m

Seattle/Tacoma Intl

Sun 5/31

3:40 pm-10:25 am

3 stops33h 45m

$1,222

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

Fri 8/21

6:35 am-2:52 pm

3 stops41h 17m

Seattle/Tacoma Intl

Tue 9/1

8:00 am-10:25 am

2 stops41h 25m

$1,248

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

Wed 5/27

6:10 am-8:40 pm

3 stops23h 30m

Seattle/Tacoma Intl

Sun 5/31

3:40 pm-10:15 pm

3 stops21h 35m

$1,292

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

Fri 8/21

6:10 am-2:22 pm

2 stops17h 12m

Seattle/Tacoma Intl

Tue 9/1

2:10 pm-1:45 pm

1 stop14h 35m

$1,335

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

Fri 8/21

11:15 am-11:45 am

3 stops33h 30m

Seattle/Tacoma Intl

Tue 9/1

3:40 pm-10:25 am

3 stops33h 45m

$1,341

Quickest round-trip

TriesteSeattle

TRS - SEA

TRSSEA

Trieste Ronchi dei Legionari

Fri 8/21

6:10 am-11:55 am

1 stop14h 45m

Seattle/Tacoma Intl

Tue 9/1

2:10 pm-1:45 pm

1 stop14h 35m

$1,438

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Fastest flight time	14h 45m
Direct flights	None

The fastest flight from Trieste to State of Washington takes 14h 45m

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

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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.

Frequently asked questions about flying from Trieste to Washington

How do I get Price Alerts for flights from Trieste to State of Washington?
Confirm your travel details to search for the latest offers for flights from Trieste to State of Washington. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Trieste to State of Washington with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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.