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Iaşi

$869+ Cheap flights from Boston (BOS) to Iaşi (IAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — IAS
Apr 20 — Apr 271
Mon 4/20
Mon 4/27
1 adult, Economy
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Cheap 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 March 21, 2026.

This FlightHub deal was found by Cheapflights users on 3/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/138:05 pm
BOS
-
IAS
2 stops22h 15m
Lufthansa
Mon 7/274:00 pm
IAS
-
BOS
2 stops32h 40m
Lufthansa
Deal found 3/18$1,019
This Lufthansa deal was found by Cheapflights users on 3/18. 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.
Mon 7/1310:00 pm
BOS
-
IAS
2 stops20h 20m
Multiple Airlines
Mon 7/275:20 am
IAS
-
BOS
1 stop15h 30m
Multiple Airlines
Deal found 3/18$1,060
This Expedia deal was found by Cheapflights users on 3/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/266:50 pm
BOS
-
IAS
2 stops47h 30m
Multiple Airlines
Sat 8/154:00 pm
IAS
-
BOS
2 stops32h 40m
Multiple Airlines
Deal found 3/19$1,202

Find 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 March 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,019
(FlightHub)
Provider with most accurate pricing for Boston Logan Intl-Iasi flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Iasi flights.
Search Deals
From Boston Logan Intl to Iasi
Search Deals

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 March 21, 2026.
Use the filters below to find and compare flights from Boston to Iaşi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonIaşi

BOS - IAS

BOSIAS

Boston Logan Intl

Sun 8/2

5:45 pm-3:20 pm

2 stops14h 35m

Iasi

Sun 8/16

4:00 pm-5:40 pm

2 stops32h 40m

$869

BostonIaşi

BOS - IAS

BOSIAS

Boston Logan Intl

Mon 7/13

8:05 pm-1:20 am

2 stops22h 15m

Iasi

Mon 7/27

4:00 pm-5:40 pm

2 stops32h 40m

$1,019
Quickest round-trip

BostonIaşi

BOS - IAS

BOSIAS

Boston Logan Intl

Mon 7/13

10:00 pm-1:20 am

2 stops20h 20m

Iasi

Mon 7/27

5:20 am-1:50 pm

1 stop15h 30m

$1,060

BostonIaşi

BOS - IAS

BOSIAS

Boston Logan Intl

Fri 6/26

6:50 pm-1:20 am

2 stops47h 30m

Iasi

Sat 8/15

4:00 pm-5:40 pm

2 stops32h 40m

$1,202

BostonIaşi

BOS - IAS

BOSIAS

Boston Logan Intl

Sun 8/2

3:35 pm-3:20 pm

2 stops16h 45m

Iasi

Sun 8/16

4:00 pm-1:50 pm

1 stop28h 50m

$1,378

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/21

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Boston-Iaşi flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Iaşi flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Iaşi flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Iaşi flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Iaşi flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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 March 21, 2026.
Get a feel of what it's like to fly with 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.
Lufthansa
6.8
Okay
7,858 reviews

Crew

7.6

Overall

6.8

Entertainment

6.4

Boarding

7.0

Food

6.3

Comfort

6.8

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

SFO - MUC

The coordination between United and Lufthansa teams is poor and confusing.
Lufthansa
6.8
Okay
7,858 reviews
Lufthansa
6.8
Okay
7,858 reviews

Crew

7.6

Overall

6.8

Entertainment

6.4

Boarding

7.0

Food

6.3

Comfort

6.8

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

SFO - MUC

The coordination between United and Lufthansa teams is poor and confusing.

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.

  • How long is the flight from Boston to Iaşi?

    Airlines like Lufthansa fly from Boston to Iaşi in about 14h 35m. The time it takes to get you to your destination can typically vary by up to . There are 4504 mi between Boston and Iaşi.

  • What is the cheapest airline to fly from Boston to Iaşi round-trip?

    Cheapflights users have booked flights from Boston to Iaşi round-trip from $475.

  • 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

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Alternative routes for Boston to Iaşi

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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 March 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$475Average$1,022FlexibilityNo cancel feeOn-time76%

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