Boston (BOS) to Warsaw (WAW) flights from USD680

*Modifying this information may result in a different fare

*All amounts are in USD. Taxes and surcharges are included. No booking fee is applicable. Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional baggage fees may apply.

Why book directly on the KLM website?

Explore the benefits of booking through our website.

No hidden costs icon

No hidden costs

Book with confidence. Our rates hide no unpleasant surprises.

24/7 customer service icon

24/7 customer service

Count on direct, personal support whenever you need it, day or night.

Seamless travel icon

Seamless travel

Enjoy a smooth journey with timely updates and automatic rebooking.

Lowest fares between Boston and Warsaw

cmp-daily-histogram-bars-legend-min-price-aria-label USD680
cmp-daily-histogram-bars-legend-max-price-aria-label USD1.2K
Displaying fares for August-2026
  • BOS–WAW, 08/18/2026 – 08/25/2026: From USD680
    18

    Tu

    AUG

  • BOS–WAW, 08/19/2026 – 08/26/2026: From USD680
    19

    We

  • BOS–WAW, 08/20/2026 – 09/03/2026: From USD890
    20

    Th

  • BOS–WAW, 08/21/2026 – 08/24/2026: From USD780
    21

    Fr

  • BOS–WAW, 08/22/2026 – 08/25/2026: From USD730
    22

    Sa

  • BOS–WAW, 08/23/2026 – 08/26/2026: From USD680
    23

    Su

  • BOS–WAW, 08/24/2026 – 08/27/2026: From USD810
    24

    Mo

  • BOS–WAW, 08/25/2026 – 09/08/2026: From USD810
    25

    Tu

  • BOS–WAW, 08/26/2026 – 09/09/2026: From USD810
    26

    We

  • BOS–WAW, 08/27/2026 – 09/24/2026: From USD945
    27

    Th

  • BOS–WAW, 08/28/2026 – 09/04/2026: From USD970
    28

    Fr

  • BOS–WAW, 08/29/2026 – 09/01/2026: From USD981
    29

    Sa

  • BOS–WAW, 08/30/2026 – 09/02/2026: From USD939
    30

    Su

  • BOS–WAW, 08/31/2026 – 09/03/2026: From USD950
    31

    Mo

  • BOS–WAW, 09/01/2026 – 09/08/2026: From USD821
    01

    Tu

    SEP

  • BOS–WAW, 09/02/2026 – 09/23/2026: From USD895
    02

    We

  • BOS–WAW, 09/03/2026 – 09/10/2026: From USD1,157
    03

    Th

  • BOS–WAW, 09/04/2026 – 09/11/2026: From USD1,157
    04

    Fr

  • BOS–WAW, 09/05/2026 – 09/08/2026: From USD945
    05

    Sa

  • BOS–WAW, 09/06/2026 – 09/09/2026: From USD810
    06

    Su

  • BOS–WAW, 09/07/2026 – 09/10/2026: From USD810
    07

    Mo

  • BOS–WAW, 09/08/2026 – 09/11/2026: From USD821
    08

    Tu

  • BOS–WAW, 09/09/2026 – 10/07/2026: From USD884
    09

    We

  • BOS–WAW, 09/10/2026 – 09/24/2026: From USD1,157
    10

    Th

  • BOS–WAW, 09/11/2026 – 10/02/2026: From USD871
    11

    Fr

  • BOS–WAW, 09/12/2026 – 09/15/2026: From USD860
    12

    Sa

  • BOS–WAW, 09/13/2026 – 09/16/2026: From USD810
    13

    Su

  • BOS–WAW, 09/14/2026 – 09/17/2026: From USD810
    14

    Mo

  • BOS–WAW, 09/15/2026 – 09/29/2026: From USD939
    15

    Tu

  • BOS–WAW, 09/16/2026 – 09/30/2026: From USD939
    16

    We

  • BOS–WAW, 09/17/2026 – 10/08/2026: From USD981
    17

    Th

  • RangeUSD680-USD1,157