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Cheap flights from Boston to Iaşi from $250

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Iaşi departing on 3/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Boston to Iaşi

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:30 am - 3:20 pm
BOS
-
IAS
27h 50m
2 stops
Multiple Airlines Logo
4:00 pm - 1:50 pm
IAS
-
BOS
28h 50m
1 stop
$514Multiple Airlines
Sun, Mar 22 - Sun, Mar 29
Multiple Airlines Logo
6:50 pm - 3:20 pm
BOS
-
IAS
37h 30m
2 stops
Multiple Airlines Logo
4:00 pm - 6:07 pm
IAS
-
BOS
33h 07m
2 stops
$516Multiple Airlines
Sat, May 2 - Mon, May 18
Multiple Airlines Logo
5:45 pm - 3:20 pm
BOS
-
IAS
14h 35m
2 stops
Multiple Airlines Logo
5:20 am - 5:57 pm
IAS
-
BOS
19h 37m
2 stops
$524Multiple Airlines
Wed, Apr 1 - Wed, Apr 15
Multiple Airlines Logo
1:00 pm - 11:00 pm
BOS
-
IAS
28h 00m
2 stops
Multiple Airlines Logo
10:35 pm - 5:40 pm
IAS
-
BOS
26h 05m
2 stops
$530Multiple Airlines
Sun, Mar 22 - Sun, Mar 29
Multiple Airlines Logo
10:15 am - 11:00 pm
BOS
-
IAS
30h 45m
3 stops
Multiple Airlines Logo
10:35 pm - 5:40 pm
IAS
-
BOS
26h 05m
2 stops
$534Multiple Airlines
Sun, Mar 22 - Sun, Mar 29
Austrian Airlines Logo
5:10 pm - 3:20 pm
BOS
-
IAS
15h 10m
1 stop
Austrian Airlines Logo
5:20 am - 1:50 pm
IAS
-
BOS
15h 30m
1 stop
$552Austrian Airlines
Tue, Mar 31 - Wed, Apr 15
Austrian Airlines Logo
5:10 pm - 3:20 pm
BOS
-
IAS
15h 10m
1 stop
Austrian Airlines Logo
4:00 pm - 6:19 pm
IAS
-
BOS
33h 19m
2 stops
$557Austrian Airlines
Tue, Mar 31 - Tue, Apr 14
Austrian Airlines Logo
5:10 pm - 3:20 pm
BOS
-
IAS
15h 10m
1 stop
Austrian Airlines Logo
4:00 pm - 7:06 pm
IAS
-
BOS
34h 06m
2 stops
$564Austrian Airlines
Tue, Mar 31 - Mon, Apr 13
Multiple Airlines Logo
8:05 pm - 1:20 am
BOS
-
IAS
22h 15m
2 stops
Multiple Airlines Logo
5:20 am - 1:50 pm
IAS
-
BOS
15h 30m
1 stop
$571Multiple Airlines
Wed, Apr 1 - Wed, Apr 15
Multiple Airlines Logo
5:30 am - 3:20 pm
BOS
-
IAS
27h 50m
2 stops
Multiple Airlines Logo
4:00 pm - 1:50 pm
IAS
-
BOS
28h 50m
1 stop
$590Multiple Airlines
Sun, Mar 22 - Sun, Mar 29

Austrian Airlines flights from Boston to Iaşi

Our best Austrian Airlines deals on Boston to Iaşi flight tickets
Austrian Airlines
Mar 31
BOS5:10 pmBoston Logan Intl
15h 10m
1 stop
IAS3:20 pmIasi
Apr 15
IAS5:20 amIasi
15h 30m
1 stop
BOS1:50 pmBoston Logan Intl
$552
Austrian Airlines
Mar 31
BOS5:10 pmBoston Logan Intl
15h 10m
1 stop
IAS3:20 pmIasi
Apr 14
IAS4:00 pmIasi
33h 19m
2 stops
BOS6:19 pmBoston Logan Intl
$557
Austrian Airlines
Mar 31
BOS5:10 pmBoston Logan Intl
15h 10m
1 stop
IAS3:20 pmIasi
Apr 13
IAS4:00 pmIasi
34h 06m
2 stops
BOS7:06 pmBoston Logan Intl
$564

Lufthansa flights from Boston to Iaşi

Our best Lufthansa deals on Boston to Iaşi flight tickets
Lufthansa
Apr 1
BOS8:05 pmBoston Logan Intl
22h 15m
2 stops
IAS1:20 amIasi
Apr 15
IAS4:00 pmIasi
32h 40m
2 stops
BOS5:40 pmBoston Logan Intl
$596
Lufthansa
Mar 29
BOS8:05 pmBoston Logan Intl
36h 15m
2 stops
IAS3:20 pmIasi
Apr 17
IAS5:20 amIasi
19h 20m
2 stops
BOS5:40 pmBoston Logan Intl
$614
Lufthansa
Mar 29
BOS8:05 pmBoston Logan Intl
36h 15m
2 stops
IAS3:20 pmIasi
Apr 12
IAS4:00 pmIasi
54h 40m
2 stops
BOS3:40 pmBoston Logan Intl
$643

momondo 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, momondo users made 832,500 searches. Data last updated February 22, 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

BostonIaşi

BOS - IAS

BOSIAS

Boston Logan Intl

Sun 3/22

5:30 am-3:20 pm

2 stops27h 50m

Iasi

Sun 3/29

4:00 pm-1:50 pm

1 stop28h 50m

$514

BostonIaşi

BOS - IAS

BOSIAS

Boston Logan Intl

Sat 5/2

6:50 pm-3:20 pm

2 stops37h 30m

Iasi

Mon 5/18

4:00 pm-6:07 pm

2 stops33h 07m

$516

BostonIaşi

BOS - IAS

BOSIAS

Boston Logan Intl

Wed 4/1

5:45 pm-3:20 pm

2 stops14h 35m

Iasi

Wed 4/15

5:20 am-5:57 pm

2 stops19h 37m

$524

BostonIaşi

BOS - IAS

BOSIAS

Boston Logan Intl

Sun 3/22

1:00 pm-11:00 pm

2 stops28h 00m

Iasi

Sun 3/29

10:35 pm-5:40 pm

2 stops26h 05m

$530

BostonIaşi

BOS - IAS

BOSIAS

Boston Logan Intl

Sun 3/22

10:15 am-11:00 pm

3 stops30h 45m

Iasi

Sun 3/29

10:35 pm-5:40 pm

2 stops26h 05m

$534

BostonIaşi

BOS - IAS

BOSIAS

Boston Logan Intl

Tue 3/31

5:10 pm-3:20 pm

1 stop15h 10m

Iasi

Wed 4/15

5:20 am-1:50 pm

1 stop15h 30m

$552

BostonIaşi

BOS - IAS

BOSIAS

Boston Logan Intl

Tue 3/31

5:10 pm-3:20 pm

1 stop15h 10m

Iasi

Tue 4/14

4:00 pm-6:19 pm

2 stops33h 19m

$557

BostonIaşi

BOS - IAS

BOSIAS

Boston Logan Intl

Tue 3/31

5:10 pm-3:20 pm

1 stop15h 10m

Iasi

Mon 4/13

4:00 pm-7:06 pm

2 stops34h 06m

$564

BostonIaşi

BOS - IAS

BOSIAS

Boston Logan Intl

Wed 4/1

8:05 pm-1:20 am

2 stops22h 15m

Iasi

Wed 4/15

5:20 am-1:50 pm

1 stop15h 30m

$571

BostonIaşi

BOS - IAS

BOSIAS

Boston Logan Intl

Sun 3/22

5:30 am-3:20 pm

2 stops27h 50m

Iasi

Sun 3/29

4:00 pm-1:50 pm

1 stop28h 50m

$590

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Iaşi from

How to get the cheapest flight ticket from Boston 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 airline that flies from Boston Logan Intl to Iasi?

Austrian Airlines and Emirates are the most popular carriers operating from Boston Logan Intl to Iasi

When to book flights from Boston to Iaşi

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

Cheap Boston to Iaşi (BOS to IAS) flight deals and tips

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

Fastest flight time

19h 50m

Direct flights

None
The fastest flight from Boston to Iaşi takes 19h 50m
There are no direct flights from Boston to Iaşi. There are no popular flight routes from Boston to Iaşi.
Search flight deals

  • How far is Boston Logan Intl to Iasi by plane?

    Iasi is 4506.0 mi away from Boston Logan Intl. In terms of flight time, this usually takes a little over 19h 50m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Iasi Airport?

    Prices for flights from Boston Logan Intl Airport to Iasi Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Iasi Airport?

  • How old do you have to be to fly from Boston Logan 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 Boston Logan Intl Airport to Iasi Airport.

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

    The required travel and health documents for your Iasi Airport 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 Iasi Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Boston to Iaşi?

Best airlines flying from Boston to Iaşi

Compare and see reviews for airlines that fly from Boston to Iaşi with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $475Free CancellationRating
6.8
7,802 reviews
Search Lufthansa flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boston to Iaşi. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Boston to Iaşi on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Boston and Iaşi by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Iaşi, momondo offers a useful price alert feature which will track prices for flights to Iaşi from Boston and alert you when they change.

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