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Cheap flights from Prague to Boston from £429

PRG — BOS
7 Oct — 14 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Prague to Boston

Enter your travel dates to find the best prices.

Cheapest flights from Prague to Boston

Sat 3/1020:50 -
1 stop30h 55m
Sun 18/1023:35 -
1 stop28h 15m
Deal found 5/9£429
Wed 21/1006:00 -
1 stop13h 15m
Wed 4/1121:20 -
2 stops13h 45m
Deal found 3/9£439
Tue 20/1011:15 -
1 stop11h 21m
Tue 27/1013:05 -
2 stops17h 05m
Deal found 5/9£442
Sun 20/911:00 -
1 stop14h 08m
Tue 29/917:10 -
1 stop11h 40m
Deal found 3/9£442
Sun 20/911:00 -
1 stop14h 08m
Tue 29/917:10 -
1 stop11h 40m
Deal found 3/9£443
Fri 25/914:30 -
2 stops14h 40m
Sat 3/1017:10 -
1 stop20h 25m
Deal found 2/9£445
Wed 21/1011:15 -
1 stop11h 21m
Wed 4/1120:55 -
1 stop10h 50m
Deal found 6/9£445
Fri 18/914:30 -
2 stops14h 40m
Sun 4/1021:45 -
1 stop17h 55m
Deal found 4/9£446

Find flight deals from Prague to Boston

Round-trip from

£429

Popular in

December

Cheapest in

March

Average price

£461
LEVEL
  • LEVEL
  • 3/10-18/10
  • 2 total stops
  • 59h 10m total
  • Prague to Boston
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£9 potential increase over avg. return price).
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Cheapest flight prices on average. 0% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Prague to Boston that are best for you.

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Depart

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Cheapest return flight

PragueBoston

PRG Václav Havel Prague - BOS Boston Logan Intl

PRGBOS

Václav Havel Prague

Sat 30/1

11:40-22:30

2 stops16h 50m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£430

PragueBoston

PRG Václav Havel Prague - BOS Boston Logan Intl

PRGBOS

Václav Havel Prague

Fri 4/12

11:40-23:44

2 stops18h 04m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£435

PragueBoston

PRG Václav Havel Prague - BOS Boston Logan Intl

PRGBOS

Václav Havel Prague

Sat 30/1

07:40-19:40

1 stop18h 00m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£436

PragueBoston

PRG Václav Havel Prague - BOS Boston Logan Intl

PRGBOS

Václav Havel Prague

Fri 25/9

06:00-18:30

1 stop18h 30m

Boston Logan Intl

Sat 3/10

17:10-19:35

1 stop20h 25m

£440

PragueBoston

PRG Václav Havel Prague - BOS Boston Logan Intl

PRGBOS

Václav Havel Prague

Mon 19/10

08:50-13:15

1 stop10h 25m

Boston Logan Intl

Mon 26/10

17:55-11:10

1 stop12h 15m

£440

PragueBoston

PRG Václav Havel Prague - BOS Boston Logan Intl

PRGBOS

Václav Havel Prague

Wed 21/10

06:00-13:15

1 stop13h 15m

Boston Logan Intl

Wed 4/11

12:45-09:05

2 stops14h 20m

£440

PragueBoston

PRG Václav Havel Prague - BOS Boston Logan Intl

PRGBOS

Václav Havel Prague

Sat 30/1

06:00-14:23

1 stop14h 23m

Boston Logan Intl

Mon 8/2

17:00-17:05

1 stop18h 05m

£441

PragueBoston

PRG Václav Havel Prague - BOS Boston Logan Intl

PRGBOS

Václav Havel Prague

Mon 2/11

06:00-14:13

1 stop14h 13m

Boston Logan Intl

Sun 15/11

12:00-09:05

2 stops15h 05m

£441

PragueBoston

PRG Václav Havel Prague - BOS Boston Logan Intl

PRGBOS

Václav Havel Prague

Tue 20/10

11:15-16:36

1 stop11h 21m

Boston Logan Intl

Tue 27/10

13:05-11:10

2 stops17h 05m

£442
Fastest return journey

PragueBoston

PRG Václav Havel Prague - BOS Boston Logan Intl

PRGBOS

Václav Havel Prague

Fri 4/12

06:00-16:00

1 stop16h 00m

Boston Logan Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£443

Flights are sorted by cheapest return flights first.

Deals found on 3/9

Showing 1-10 of 12 resultsSorted by cheapest first
1
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Best time to book a flight from Prague to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Prague with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Prague to Boston

How far ahead should I book a flight from Prague to Boston?

The best time to book flights from Prague to Boston is 16 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Prague to Boston?

Currently, March is the cheapest month in which you can book a flight from Prague to Boston (average of £445). Flying from Prague to Boston in December is currently the most expensive (average of £582). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Prague to Boston?

Airfare is typical for this route at the moment.

Prague to Boston flights typically cost between £380 and £555 in October.
The cheapest return price found within the last 5 days was £429 on LEVEL (3 Oct–18 Oct).

Related info for your journey

  • How long is the flight from Prague to Boston?

    Airlines like Delta fly from Prague to Boston in about 18h 30m. The time it takes to get you to your destination can typically vary by up to . The distance from Prague to Boston is about 3882 mi.

  • Can I find deals for flights from Prague to Boston that include hotel bookings?

    Yes. In addition to deals on Prague to Boston flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Prague to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Prague to Boston.

  • Can I find deals for business class flights from Prague to Boston?

    Yes. Cheapflights offers flight deals from Prague to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Prague to Boston?

    Currently, March is the cheapest month in which you can book a flight from Prague to Boston (average of £445). Flying from Prague to Boston in December is currently the most expensive (average of £582). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Burlington
Canton
North Truro
Waltham
Warwick
Cambridge
Wellfleet
Peabody
Revere
Somerville
Quincy
Chelmsford

Browse thousands of different options on Cheapflights for your next trip

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How does Cheapflights help users find flights from Prague to Boston?

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Why should you use Cheapflights to find cheap flight tickets from Prague to Boston?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Prague to Boston.

Can Cheapflights find flights from Prague to Boston with no change fees?

Yes, we can. To see specific flights from Prague to Boston with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Prague to Boston become cheaper?

Yes, Cheapflights offers price alerts on Prague to Boston flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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