BOS - KUN

$735 Find Cheap Flights from Boston to Kaunas - Compare and Save

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Cheap Flights from Boston to Kaunas (BOS-KUN)

 

Cheap flights from Boston to Kaunas with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Mon, Nov 30 - Fri, Dec 4
Multiple Airlines Logo
5:15 pm - 4:50 pmBOS  Boston Logan Intl-KUN Kaunas
16h 35m2 stops Dublin Bergamo Orio Al Serio
Multiple Airlines Logo
10:25 am - 7:55 pmKUN  Kaunas-BOS Boston Logan Intl
40h 30m3 stops Charleroi Brussels Barcelona-El Prat Lisbon Humberto Delgado
$735Multiple Airlines
Mon, Nov 30 - Fri, Dec 4
Multiple Airlines Logo
5:15 pm - 4:50 pmBOS  Boston Logan Intl-KUN Kaunas
16h 35m2 stops Dublin Bergamo Orio Al Serio
Multiple Airlines Logo
6:25 am - 5:50 pmKUN  Kaunas-BOS Boston Logan Intl
18h 25m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl
$738Multiple Airlines
Mon, Jan 18 - Fri, Jan 22
Multiple Airlines Logo
1:10 pm - 2:05 pmBOS  Boston Logan Intl-KUN Kaunas
17h 55m2 stops New York John F Kennedy Intl Kastrup Copenhagen
Multiple Airlines Logo
6:25 am - 3:55 pmKUN  Kaunas-BOS Boston Logan Intl
16h 30m1 stop Kastrup Copenhagen
$758Multiple Airlines
Mon, Dec 7 - Fri, Dec 11
Multiple Airlines Logo
5:15 pm - 8:45 pmBOS  Boston Logan Intl-KUN Kaunas
20h 30m2 stops Dublin London Luton
Multiple Airlines Logo
4:50 pm - 8:00 pmKUN  Kaunas-BOS Boston Logan Intl
34h 10m3 stops Bristol Lisbon Humberto Delgado Ponta Delgada Nordela
$777Multiple Airlines
Mon, Dec 7 - Fri, Dec 11
Multiple Airlines Logo
5:15 pm - 8:45 pmBOS  Boston Logan Intl-KUN Kaunas
20h 30m2 stops Dublin London Luton
Multiple Airlines Logo
6:25 am - 5:50 pmKUN  Kaunas-BOS Boston Logan Intl
18h 25m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl
$804Multiple Airlines
Wed, Dec 2 - Wed, Dec 9
Multiple Airlines Logo
6:50 pm - 10:20 pmBOS  Boston Logan Intl-KUN Kaunas
20h 30m1 stop Shannon
Multiple Airlines Logo
9:00 pm - 5:50 pmKUN  Kaunas-BOS Boston Logan Intl
27h 50m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl
$884Multiple Airlines
Wed, Dec 2 - Wed, Dec 9
Multiple Airlines Logo
7:50 pm - 10:55 pmBOS  Boston Logan Intl-KUN Kaunas
20h 05m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
9:00 pm - 5:50 pmKUN  Kaunas-BOS Boston Logan Intl
27h 50m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl
$904Multiple Airlines
Mon, Dec 7 - Fri, Dec 11
Multiple Airlines Logo
5:15 pm - 8:45 pmBOS  Boston Logan Intl-KUN Kaunas
20h 30m3 stops Dublin Paris Charles de Gaulle London Luton
Multiple Airlines Logo
4:50 pm - 8:00 pmKUN  Kaunas-BOS Boston Logan Intl
34h 10m3 stops Bristol Lisbon Humberto Delgado Ponta Delgada Nordela
$910Multiple Airlines
Mon, Jan 11 - Thu, Jan 14
Multiple Airlines Logo
5:15 pm - 4:50 pmBOS  Boston Logan Intl-KUN Kaunas
16h 35m2 stops Dublin Bergamo Orio Al Serio
Multiple Airlines Logo
10:45 pm - 4:15 pmKUN  Kaunas-BOS Boston Logan Intl
24h 30m1 stop Shannon
$912Multiple Airlines
Wed, Dec 2 - Wed, Dec 9
Multiple Airlines Logo
7:50 pm - 10:55 pmBOS  Boston Logan Intl-KUN Kaunas
20h 05m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
8:00 am - 5:50 pmKUN  Kaunas-BOS Boston Logan Intl
40h 50m3 stops London Stansted Kastrup Copenhagen Reykjavik Keflavik Intl
$964Multiple Airlines

Key details for Boston to Kaunas flights

Cheapest flight

$735
Round-trip flight from Boston to Kaunas

When to book flights from Boston to Kaunas

Are your dates flexible? Find out the best times to travel from Boston to Kaunas based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boston to Kaunas flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Boston to Kaunas?

    Only Economy Class is available on flights from Boston to Kaunas.

  • Do I need a passport to fly from Boston to Kaunas?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Boston to Kaunas changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $735 to $2,806. That means the highest observed fare was about 4x higher than the lowest one.

  • What car rental options are available at Kaunas Airport (KUN)?

    Kaunas Airport (KUN) hosts 5 major car rental companies, with daily rates starting from around $1 for economy cars. Top options include:

    • Alamo
    • Wheego
    • U-Save
    • CarWiz
    • Goldcar Rental SP

  • Which airports can I use when flying from Boston to Kaunas?

    Flights from Boston to Kaunas usually depart from Boston Logan Intl (BOS) and arrive at Kaunas (KUN).

  • What is the time difference between Boston and Kaunas?

    Kaunas is 7 hours ahead of Boston (Eastern European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

More options for your flight from Boston to Kaunas

Complete your trip to Kaunas with a hotel stay or car rental

Car rentals in Kaunas
Hotels in Kaunas