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Cheap flights from Boston to Warsaw from $261

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 Warsaw departing on 9/6. 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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Find the cheapest flights from Boston to Warsaw (BOS-WMI)

Cheap round-trip flights

Logo
5:30 pm - 10:55 amBOS-WMI
11h 25m1 stop
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11:05 am - 6:45 pmWMI-BOS
13h 40m1 stop
$634
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Tue, Sep 2 - Tue, Sep 16
Logo
5:30 pm - 10:55 amBOS-WMI
11h 25m1 stop
Logo
7:35 pm - 2:20 pmWMI-BOS
24h 45m2 stops
$660
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Tue, Sep 2 - Wed, Sep 17
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7:25 am - 9:40 amBOS-WMI
20h 15m1 stop
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6:25 am - 8:05 pmWMI-BOS
19h 40m2 stops
$665
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Tue, Sep 23 - Tue, Oct 7
Logo
9:25 pm - 9:40 pmBOS-WMI
18h 15m1 stop
Logo
6:20 am - 8:10 pmWMI-BOS
19h 50m2 stops
$683
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Sun, Sep 7 - Sun, Nov 9
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5:30 pm - 12:10 pmBOS-WMI
12h 40m1 stop
Logo
7:35 pm - 2:20 pmWMI-BOS
24h 45m2 stops
$686
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Thu, Sep 4 - Wed, Sep 17
Logo
9:25 pm - 1:05 amBOS-WMI
21h 40m1 stop
Logo
7:35 pm - 2:20 pmWMI-BOS
24h 45m2 stops
$689
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Wed, Sep 3 - Wed, Sep 10
Logo
9:25 pm - 9:40 pmBOS-WMI
18h 15m1 stop
Logo
5:10 pm - 8:55 pmWMI-BOS
33h 45m1 stop
$692
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Sun, Sep 7 - Sun, Nov 9
Logo
9:25 pm - 1:05 amBOS-WMI
21h 40m1 stop
Logo
7:35 pm - 2:20 pmWMI-BOS
24h 45m2 stops
$693
Find Deal
Wed, Sep 3 - Wed, Sep 10
Logo
9:25 pm - 9:40 pmBOS-WMI
18h 15m1 stop
Logo
6:20 am - 8:10 pmWMI-BOS
19h 50m2 stops
$705
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Sun, Sep 7 - Sun, Nov 9
Logo
9:25 pm - 9:40 pmBOS-WMI
18h 15m1 stop
Logo
5:10 pm - 8:55 pmWMI-BOS
33h 45m1 stop
$708
Find Deal
Sun, Sep 7 - Sun, Nov 9

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Warsaw Modlin Airport 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 August 5, 2025.
Use the filters below to find and compare flights from Boston to Warsaw Modlin Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonWarsaw

BOS - WMI

BOSWMI

Boston Logan Intl

Tue 9/2

5:30 pm-10:55 am

1 stop11h 25m

Warsaw Modlin

Tue 9/16

11:05 am-6:45 pm

1 stop13h 40m

$634

BostonWarsaw

BOS - WMI

BOSWMI

Boston Logan Intl

Tue 9/2

5:30 pm-10:55 am

1 stop11h 25m

Warsaw Modlin

Wed 9/17

7:35 pm-2:20 pm

2 stops24h 45m

$660

BostonWarsaw

BOS - WMI

BOSWMI

Boston Logan Intl

Tue 9/23

7:25 am-9:40 am

1 stop20h 15m

Warsaw Modlin

Tue 10/7

6:25 am-8:05 pm

2 stops19h 40m

$665

BostonWarsaw

BOS - WMI

BOSWMI

Boston Logan Intl

Sun 9/7

9:25 pm-9:40 pm

1 stop18h 15m

Warsaw Modlin

Sun 11/9

6:20 am-8:10 pm

2 stops19h 50m

$683

BostonWarsaw

BOS - WMI

BOSWMI

Boston Logan Intl

Thu 9/4

5:30 pm-12:10 pm

1 stop12h 40m

Warsaw Modlin

Wed 9/17

7:35 pm-2:20 pm

2 stops24h 45m

$686

BostonWarsaw

BOS - WMI

BOSWMI

Boston Logan Intl

Wed 9/3

9:25 pm-1:05 am

1 stop21h 40m

Warsaw Modlin

Wed 9/10

7:35 pm-2:20 pm

2 stops24h 45m

$689

BostonWarsaw

BOS - WMI

BOSWMI

Boston Logan Intl

Sun 9/7

9:25 pm-9:40 pm

1 stop18h 15m

Warsaw Modlin

Sun 11/9

5:10 pm-8:55 pm

1 stop33h 45m

$692

BostonWarsaw

BOS - WMI

BOSWMI

Boston Logan Intl

Wed 9/3

9:25 pm-1:05 am

1 stop21h 40m

Warsaw Modlin

Wed 9/10

7:35 pm-2:20 pm

2 stops24h 45m

$693

BostonWarsaw

BOS - WMI

BOSWMI

Boston Logan Intl

Sun 9/7

9:25 pm-9:40 pm

1 stop18h 15m

Warsaw Modlin

Sun 11/9

6:20 am-8:10 pm

2 stops19h 50m

$705

BostonWarsaw

BOS - WMI

BOSWMI

Boston Logan Intl

Sun 9/7

9:25 pm-9:40 pm

1 stop18h 15m

Warsaw Modlin

Sun 11/9

5:10 pm-8:55 pm

1 stop33h 45m

$708

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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When to book flights from Boston to Warsaw Modlin Airport

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

Cheap Boston to Warsaw Modlin Airport (BOS to WMI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Warsaw Modlin Airport

Best Price Found

$261

Fastest flight time

11h 25m

Direct flights

None
The best one-way flight to Warsaw Modlin Airport from Boston in the past 72 hours is $261. The best round-trip flight deal from Boston to Warsaw Modlin Airport found on momondo in the last 72 hours is $634.
The fastest flight from Boston to Warsaw Modlin Airport takes 11h 25m
There are no direct flights from Boston to Warsaw Modlin Airport. Popular non-direct route for this connection is Boston Logan Intl Airport - Warsaw Modlin Airport.
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  • How far is Boston Logan Intl to Warsaw Modlin by plane?

    Warsaw Modlin is 4047.2 mi away from Boston Logan Intl. Flights usually cover this in 11h 25m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Boston Logan Intl Airport to Warsaw Modlin Airport refresh daily.

  • How old do you have to be to fly from Boston Logan Intl Airport to Warsaw Modlin Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Warsaw Modlin Airport.

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

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

  • How do I get Price Alerts for flights from Boston to Warsaw Modlin Airport?

    Search flight deals from Boston to Warsaw Modlin Airport. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Boston to Warsaw Modlin Airport 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 aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Warsaw. momondo saves you time and could save you money on your trip.

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

Flights from Boston to Warsaw with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Warsaw from Boston.

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

Of course. momondo tracks the price of Boston to Warsaw flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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