Cheap flights from Seattle to Iaşi from $969
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Iaşi departing on 7/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Lufthansa flights from Seattle to Iaşi
Our best Lufthansa deals on Seattle to Iaşi flight tickets
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How to get the cheapest flight ticket from Seattle to Iaşi
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 is the cheapest day to depart on your flight to Iaşi?
The cheapest day to depart on your flight to Iaşi is on a Thursday when prices can be found for as low as $1,240. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Iaşi is Wednesday, with ticket prices averaging around $1,792.
What is the cheapest time of day to depart on your flight to Iaşi?
According to our data, the cheapest time of day to fly to Iaşi is in the morning. momondo users have found flights departing from Seattle to Iaşi in the morning for as low as $1,092. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Iaşi is at noon when prices are around $1,340.
When to book flights from Seattle to Iaşi
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
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 16h 55m.
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 many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Iasi Airport?
As of June 2025, there is 1 operator available to choose from for flights from Seattle/Tacoma Intl Airport to Iasi Airport.
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.
What is the most popular airline from Seattle to Iaşi?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Iaşi is Lufthansa (100% of total bookings).
Best airlines flying from Seattle to Iaşi
Compare and see reviews for airlines that fly from Seattle to Iaşi with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $769 | Free Cancellation | Rating 6.7 7,136 reviews |
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.