How do I get Price Alerts for flights from Seattle to Iaşi?

Search flight deals from Seattle to Iaşi . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from Seattle to Iaşi 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 show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Iasi Airport?

Prices for flights from Seattle/Tacoma Intl Airport to Iasi Airport are refreshed on a daily basis.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Iasi Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Iasi Airport.

What documentation or ID do you need to fly to Iasi Airport?

The travel and health documents required for your trip to Iasi Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Iasi Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$277 Cheap Flights from Seattle to Iaşi in 2026/27

Find the cheapest flights from Seattle to Iaşi

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:50 pm - 3:20 pmSEA Seattle/Tacoma Intl-IAS Iasi

39h 30m2 stops Frankfurt am Main Vienna Intl

4:05 pm - 8:56 pmIAS Iasi-SEA Seattle/Tacoma Intl

38h 51m2 stops Vienna Intl Washington, D.C. Dulles Intl

$936Multiple Airlines

Mon, Oct 26 - Mon, Nov 2

2:50 pm - 3:20 pmSEA Seattle/Tacoma Intl-IAS Iasi

38h 30m2 stops Munich Franz Josef Strauss Vienna Intl

4:05 pm - 12:00 pmIAS Iasi-SEA Seattle/Tacoma Intl

53h 55m2 stops Vienna Intl Frankfurt am Main

$967Lufthansa

Wed, Dec 23 - Mon, Jan 4

3:35 pm - 9:00 amSEA Seattle/Tacoma Intl-IAS Iasi

32h 25m3 stops Reykjavik Keflavik Intl Brussels Bruxelles-National Bucharest Otopeni Intl

7:50 pm - 3:55 pmIAS Iasi-SEA Seattle/Tacoma Intl

30h 05m2 stops Bucharest Otopeni Intl Frankfurt am Main

$1,062Multiple Airlines

Mon, Oct 26 - Mon, Nov 2

3:35 pm - 9:00 amSEA Seattle/Tacoma Intl-IAS Iasi

32h 25m3 stops Reykjavik Keflavik Intl Brussels Bruxelles-National Bucharest Otopeni Intl

4:05 pm - 5:00 pmIAS Iasi-SEA Seattle/Tacoma Intl

34h 55m3 stops Vienna Intl London Heathrow Reykjavik Keflavik Intl

$1,269Multiple Airlines

Mon, Oct 26 - Mon, Nov 2

7:45 am - 11:15 pmSEA Seattle/Tacoma Intl-IAS Iasi

29h 30m3 stops Toronto Pearson Intl Frankfurt am Main Václav Havel Prague

7:50 pm - 5:10 pmIAS Iasi-SEA Seattle/Tacoma Intl

55h 20m2 stops Bucharest Otopeni Intl Istanbul

$1,740Multiple Airlines

Wed, Dec 23 - Mon, Jan 4

7:45 am - 11:15 pmSEA Seattle/Tacoma Intl-IAS Iasi

29h 30m3 stops Toronto Pearson Intl Frankfurt am Main Václav Havel Prague

4:05 pm - 5:00 pmIAS Iasi-SEA Seattle/Tacoma Intl

34h 55m3 stops Vienna Intl Barcelona-El Prat Reykjavik Keflavik Intl

$1,814Multiple Airlines

Wed, Dec 23 - Mon, Jan 4

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Route

Depart

Return

Price

Cheapest round-trip

SeattleIaşi

SEA Seattle/Tacoma Intl - IAS Iasi

SEAIAS

Seattle/Tacoma Intl

Mon 10/26

2:50 pm-3:20 pm

2 stops39h 30m

Iasi

Mon 11/2

4:05 pm-8:56 pm

2 stops38h 51m

$936

SeattleIaşi

SEA Seattle/Tacoma Intl - IAS Iasi

SEAIAS

Seattle/Tacoma Intl

Wed 12/23

2:50 pm-3:20 pm

2 stops38h 30m

Iasi

Mon 1/4

4:05 pm-12:00 pm

2 stops53h 55m

$967

Quickest round-trip

SeattleIaşi

SEA Seattle/Tacoma Intl - IAS Iasi

SEAIAS

Seattle/Tacoma Intl

Mon 10/26

3:35 pm-9:00 am

3 stops32h 25m

Iasi

Mon 11/2

7:50 pm-3:55 pm

2 stops30h 05m

$1,062

SeattleIaşi

SEA Seattle/Tacoma Intl - IAS Iasi

SEAIAS

Seattle/Tacoma Intl

Mon 10/26

3:35 pm-9:00 am

3 stops32h 25m

Iasi

Mon 11/2

4:05 pm-5:00 pm

3 stops34h 55m

$1,269

SeattleIaşi

SEA Seattle/Tacoma Intl - IAS Iasi

SEAIAS

Seattle/Tacoma Intl

Wed 12/23

7:45 am-11:15 pm

3 stops29h 30m

Iasi

Mon 1/4

7:50 pm-5:10 pm

2 stops55h 20m

$1,740

SeattleIaşi

SEA Seattle/Tacoma Intl - IAS Iasi

SEAIAS

Seattle/Tacoma Intl

Wed 12/23

7:45 am-11:15 pm

3 stops29h 30m

Iasi

Mon 1/4

4:05 pm-5:00 pm

3 stops34h 55m

$1,814

Cheapest one-way

SeattleIaşi

SEA Seattle/Tacoma Intl - IAS Iasi

SEAIAS

Seattle/Tacoma Intl

Sun 10/11

3:55 pm-9:20 pm

3 stops43h 25m

$277

SeattleIaşi

SEA Seattle/Tacoma Intl - IAS Iasi

SEAIAS

Seattle/Tacoma Intl

Sun 10/11

3:55 pm-9:20 pm

3 stops43h 25m

$278

Quickest one-way

SeattleIaşi

SEA Seattle/Tacoma Intl - IAS Iasi

SEAIAS

Seattle/Tacoma Intl

Tue 10/13

7:00 pm-11:20 am

3 stops30h 20m

$304

SeattleIaşi

SEA Seattle/Tacoma Intl - IAS Iasi

SEAIAS

Seattle/Tacoma Intl

Tue 10/13

7:00 pm-11:20 am

3 stops30h 20m

$305

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

When to book flights from Seattle to Iaşi

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Iaşi according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seattle to Iaşi (SEA to IAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Iaşi

Best Price Found	$277
Fastest flight time	38h 30m
Direct flights	None

The best one-way flight to Iaşi from Seattle in the past 72 hours is $277. The best round-trip flight deal from Seattle to Iaşi found on momondo in the last 72 hours is $936.

The fastest flight from Seattle to Iaşi takes 38h 30m

There are no direct flights from Seattle to Iaşi. There are no popular flight routes from Seattle to Iaşi.

Search flight deals

Frequently asked questions about flying from Seattle to Iaşi

How far is Seattle/Tacoma Intl to Iasi by plane?
The distance between Seattle/Tacoma Intl and Iasi is about 5638.5 mi. A reasonable flight in good conditions will take 38h 30m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Iasi Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Iasi Airport are refreshed on a daily basis.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Iasi Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Iasi Airport.
What documentation or ID do you need to fly to Iasi Airport?
The travel and health documents required for your trip to Iasi Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Iasi Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Seattle to Iaşi

How do I get Price Alerts for flights from Seattle to Iaşi?
Search flight deals from Seattle to Iaşi. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Seattle to Iaşi 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 show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Iaşi?

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 Iaşi from Seattle.

Can I find flights from Seattle to Iaşi with flexible booking policies on momondo?

Yes. All flights to Iaşi from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Iaşi?

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 Seattle to Iaşi.

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

If you are not ready to book a flight from Seattle to Iaşi now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Iaşi and let you know when they change.