HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Iaşi

$358+ Cheap flights from Boston (BOS) to Iaşi (IAS)

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — IAS
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Iaşi with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Boston to Iaşi

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Iaşi (IAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated julio 29, 2025.

Round-trip from

$565
(Kiwi.com)

One-way from

$358
(Kiwi.com)
From Boston Logan Intl to Iasi
Search Deals
One-way flight from Boston Logan Intl to Iasi
Search Deals

Find flight deals from Boston to Iaşi

Cheapest flights from Boston to Iaşi
Explore the most affordable flight options available from Boston to Iaşi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/55:10 pmBOS - IAS
1 stop15h 10mAustrian Airlines
mié. 9/105:20 amIAS - BOS
2 stops18h 58mAustrian Airlines
Deal found 7/27$559
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/98:05 pmBOS - IAS
2 stops36h 15mMultiple Airlines
vie. 9/125:20 amIAS - BOS
1 stop15h 30mMultiple Airlines
Deal found 7/26$574
This Lufthansa deal was found by Cheapflights users on 7/27. 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.
lun. 8/118:05 pmBOS - IAS
2 stops36h 15mLufthansa
lun. 9/154:00 pmIAS - BOS
2 stops32h 40mLufthansa
Deal found 7/27$630
This Air France deal was found by Cheapflights users on 7/28. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/96:57 pmBOS - IAS
2 stops18h 13mAir France
jue. 9/119:15 amIAS - BOS
2 stops18h 05mAir France
Deal found 7/28$860

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Iaşi 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 julio 29, 2025.
Use the filters below to find and compare flights from Boston to Iaşi that are best for you.

Fly from

Boston

Fly to

Iaşi

Route

Depart

Return

Price

BostonIaşi

BOS - IAS

BOSIAS

Boston Logan Intl

sáb. 8/9

5:10 pm-3:20 pm

1 stop15h 10m

Iasi

jue. 9/11

4:00 pm-4:47 pm

2 stops31h 47m

$565

BostonIaşi

BOS - IAS

BOSIAS

Boston Logan Intl

sáb. 8/9

8:05 pm-3:20 pm

2 stops36h 15m

Iasi

vie. 9/12

5:20 am-1:50 pm

1 stop15h 30m

$574

BostonIaşi

BOS - IAS

BOSIAS

Boston Logan Intl

lun. 8/11

8:05 pm-3:20 pm

2 stops36h 15m

Iasi

mié. 9/10

4:00 pm-5:40 pm

2 stops32h 40m

$630

BostonIaşi

BOS - IAS

BOSIAS

Boston Logan Intl

sáb. 8/9

6:57 pm-8:10 pm

2 stops18h 13m

Iasi

jue. 9/11

9:15 am-8:20 pm

2 stops18h 05m

$860

BostonIaşi

BOS - IAS

BOSIAS

Boston Logan Intl

lun. 8/4

7:15 pm-4:55 pm

3 stops38h 40m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Boston to Iaşi

Have a flexible travel schedule? Discover the best time to fly to Iaşi from Boston 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 Boston to Iaşi

What is the cheapest time of day to fly from BOS to IAS?

Find hourly flight availability from Boston to Iaşi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 29, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 40% on flights from Boston to Iaşi by exploring options for tickets in the afternoon.

Reviews of airlines servicing Iaşi

Get insights into the airlines that provide service to Iaşi. 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 Iaşi. Reviews last updated julio 29, 2025.
Get a feel of what it's like to fly with Austrian Airlines, Air France, and Lufthansa from Boston to Iaşi by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
821 reviews

Overall

7.6

Boarding

7.6

Comfort

7.3

Food

6.8

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Austrian Airlines
7.6
Good
821 reviews
Austrian Airlines
7.6
Good
821 reviews

Overall

7.6

Boarding

7.6

Comfort

7.3

Food

6.8

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Air France
7.5
Good
1,465 reviews
Austrian Airlines
7.6
Good
821 reviews

Overall

7.6

Boarding

7.6

Comfort

7.3

Food

6.8

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Lufthansa
6.8
Okay
7,265 reviews
Austrian Airlines
7.6
Good
821 reviews

Overall

7.6

Boarding

7.6

Comfort

7.3

Food

6.8

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

Related info for your journey

Find useful and relevant information for your journey from Boston to Iaşi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Boston to Iaşi round-trip?

    Cheapflights users have booked flights from Boston to Iaşi round-trip from $565. Other airlines that can offer you cheap pricing are Lufthansa, from $630, and Air France, from $860.

  • Can I find deals for flights from Boston to Iaşi that include hotel bookings?

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

  • How can I find direct flights from Boston to Iaşi?

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

  • Can I find deals for business class flights from Boston to Iaşi?

    Yes. Cheapflights offers flight deals from Boston to Iaşi 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Boston to Iaşi

Discover the top airline that operate flights from Boston to Iaşi. 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 julio 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$475Average$1,066FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.