Prague

$226+ Cheap flights from Boston (BOS) to Prague (PRG)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PRG
Aug 2 — Aug 91
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Cheapflights Tip: The best prices from Boston Logan Intl to Václav Havel Prague are usually found in August or May, booked 63 days in advance, depart on a Tuesday or Sunday and return on a Monday

Cheap flight deals from Boston to Prague

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Prague (PRG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 28, 2025.

Round-trip from

$417
(United Airlines)

One-way from

$226
(SmartFares)

Popular in

June

Cheapest in

August

Average price

$698
From Boston Logan Intl to Václav Havel Prague
One-way flight from Boston Logan Intl to Václav Havel Prague
Highest demand for flights based on searches. 6% potential increase in price ($42 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Boston to Prague

Cheapest flights from Boston to Prague
Explore the most affordable flight options available from Boston to Prague. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/249:40 pmBOS - PRG
1 stop10h 25mUnited Airlines
Sat 11/16:50 amPRG - BOS
2 stops15h 37mUnited Airlines
Deal found 7/27$417
This Mytrip deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2110:20 amBOS - PRG
2 stops19h 50mMultiple Airlines
Mon 9/299:50 amPRG - BOS
1 stop11h 35mMultiple Airlines
Deal found 7/27$418
This Mytrip deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/185:05 pmBOS - PRG
1 stop15h 00mSWISS
Tue 9/27:10 pmPRG - BOS
1 stop26h 15mSWISS
Deal found 7/27$419
This oojo deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1511:35 pmBOS - PRG
1 stop31h 30mIcelandair
Sun 9/212:00 pmPRG - BOS
1 stop10h 50mIcelandair
Deal found 7/26$421
This CheapOair deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:15 amBOS - PRG
2 stops23h 50mAir Canada
Wed 1/710:00 amPRG - BOS
2 stops15h 42mAir Canada
Deal found 7/27$426
This Ovago deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:25 amBOS - PRG
1 stop10h 10mBritish Airways
Wed 9/2411:35 amPRG - BOS
2 stops17h 15mBritish Airways
Deal found 7/27$428
This Booking.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/195:30 pmBOS - PRG
1 stop11h 40mAer Lingus
Thu 9/2511:50 amPRG - BOS
1 stop12h 55mAer Lingus
Deal found 7/27$429
This oojo deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/275:35 pmBOS - PRG
1 stop20h 50mScandinavian Airlines
Mon 12/17:20 pmPRG - BOS
1 stop26h 30mScandinavian Airlines
Deal found 7/27$430
This Lufthansa deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/278:40 pmBOS - PRG
1 stop19h 45mLufthansa
Tue 1/66:05 amPRG - BOS
1 stop18h 30mLufthansa
Deal found 7/26$431
This Austrian Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:25 pmBOS - PRG
1 stop15h 35mAustrian Airlines
Wed 1/74:40 pmPRG - BOS
2 stops32h 04mAustrian Airlines
Deal found 7/26$446
This Cheapflightsfares deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/263:40 pmBOS - PRG
2 stops20h 15mBrussels Airlines
Mon 12/16:45 pmPRG - BOS
2 stops24h 40mBrussels Airlines
Deal found 7/26$463

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Prague 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, Cheapflights users made 2,558,603 searches. Data last updated July 28, 2025.
Use the filters below to find and compare flights from Boston to Prague that are best for you.

Fly from

Boston

Fly to

Prague

Route

Depart

Return

Price

BostonPrague

BOS - PRG

BOSPRG

Boston Logan Intl

Fri 10/24

9:40 pm-2:05 pm

1 stop10h 25m

Václav Havel Prague

Sat 11/1

6:50 am-5:27 pm

2 stops15h 37m

$417

BostonPrague

BOS - PRG

BOSPRG

Boston Logan Intl

Sun 9/21

10:20 am-12:10 pm

2 stops19h 50m

Václav Havel Prague

Mon 9/29

9:50 am-3:25 pm

1 stop11h 35m

$418

BostonPrague

BOS - PRG

BOSPRG

Boston Logan Intl

Mon 8/18

5:05 pm-2:05 pm

1 stop15h 00m

Václav Havel Prague

Tue 9/2

7:10 pm-3:25 pm

1 stop26h 15m

$419

BostonPrague

BOS - PRG

BOSPRG

Boston Logan Intl

Mon 9/15

11:35 pm-1:05 pm

1 stop31h 30m

Václav Havel Prague

Sun 9/21

2:00 pm-6:50 pm

1 stop10h 50m

$421

BostonPrague

BOS - PRG

BOSPRG

Boston Logan Intl

Wed 12/24

10:15 am-4:05 pm

2 stops23h 50m

Václav Havel Prague

Wed 1/7

10:00 am-7:42 pm

2 stops15h 42m

$426

BostonPrague

BOS - PRG

BOSPRG

Boston Logan Intl

Wed 9/17

7:25 am-11:35 pm

1 stop10h 10m

Václav Havel Prague

Wed 9/24

11:35 am-10:50 pm

2 stops17h 15m

$428

BostonPrague

BOS - PRG

BOSPRG

Boston Logan Intl

Fri 9/19

5:30 pm-11:10 am

1 stop11h 40m

Václav Havel Prague

Thu 9/25

11:50 am-6:45 pm

1 stop12h 55m

$429

BostonPrague

BOS - PRG

BOSPRG

Boston Logan Intl

Thu 11/27

5:35 pm-8:25 pm

1 stop20h 50m

Václav Havel Prague

Mon 12/1

7:20 pm-3:50 pm

1 stop26h 30m

$430

BostonPrague

BOS - PRG

BOSPRG

Boston Logan Intl

Sat 12/27

8:40 pm-1:05 pm

1 stop10h 25m

Václav Havel Prague

Mon 1/5

4:45 pm-6:35 pm

1 stop31h 50m

$431

BostonPrague

BOS - PRG

BOSPRG

Boston Logan Intl

Tue 12/23

6:25 pm-4:00 pm

1 stop15h 35m

Václav Havel Prague

Wed 1/7

4:40 pm-6:44 pm

2 stops32h 04m

$446

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 22 results
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Best time to book a flight from Boston to Prague

Have a flexible travel schedule? Discover the best time to fly to Prague from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Prague. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Boston to Prague, you should look to book at least 63 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Boston to Prague (average of $651). Flying from Boston to Prague in June is currently the most expensive (average of $1,117). 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.

What is the cheapest time of day to fly from BOS to PRG?

Find hourly flight availability from Boston to Prague. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2025.

When flying from Boston to Prague, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 44% versus a flight at noon.

What’s the top layover airport for flights from Boston to Prague?

Share of 1-stop round-trip flights from Boston to Prague chosen by Cheapflights users in the past 12 months, using the same layover each way.

Zurich (ZRH) – chosen by Cheapflights users on 50% of 1-stop itineraries from Boston to Prague on Cheapflights.

What’s the cheapest layover airport for flights from Boston to Prague?

Average round-trip fare for 1-stop flights from Boston to Prague, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $537.

What’s the fastest layover option from Boston to Prague?

Shortest average travel time for 1-stop one-way flights from Boston to Prague, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Zurich (ZRH) have the shortest average one-way travel time for 1-stop routes: 3h 10m.

Which airport typically offers the quickest layover for flights from Boston to Prague?

Average layover duration for 1-stop one-way flights from Boston to Prague, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 15m.

Reviews of airlines servicing Prague

Get insights into the airlines that provide service to Prague. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Prague. Reviews last updated July 28, 2025.
Read through reviews of airlines operating flights from Boston to Prague, such as Finnair, SWISS, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

6.7

Overall

7.6

Crew

8.1

Entertainment

6.9

Comfort

7.5

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Food

6.7

Overall

7.6

Crew

8.1

Entertainment

6.9

Comfort

7.5

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Food

6.7

Overall

7.6

Crew

8.1

Entertainment

6.9

Comfort

7.5

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Food

6.7

Overall

7.6

Crew

8.1

Entertainment

6.9

Comfort

7.5

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Food

6.7

Overall

7.6

Crew

8.1

Entertainment

6.9

Comfort

7.5

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Food

6.7

Overall

7.6

Crew

8.1

Entertainment

6.9

Comfort

7.5

Boarding

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Related info for your journey

Find useful and relevant information for your journey from Boston to Prague. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Boston to Prague round-trip?

    Cheapflights users have booked flights from Boston to Prague round-trip from $417. Other airlines that can offer you cheap pricing are SWISS, from $419, and Iberia, from $421. United Airlines is currently priced 35% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Boston to Prague one-way?

    $226 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on Aer Lingus and United Airlines, with prices starting from $234 and $278, respectively.

  • Where are the most common layover locations when flying from Boston to Prague?

  • What are some popular things to do or see while on a layover in Copenhagen?

    Tivoli, Rådhuspladsen, and Kongens Nytorv are currently the most popular points of interest in Copenhagen at the moment. Those on a layover in Copenhagen interested in visiting Tivoli, Rådhuspladsen, or Kongens Nytorv can do so by traveling 5.3 mi, 5.2 mi, and 5.1 mi, respectively from Kastrup Copenhagen. Those landing in Copenhagen looking to spend some time exploring during their layover can rent a car for about $63 per day.

  • What are some popular points of interest to see during a layover in Frankfurt am Main?

    Römerberg, Hauptwache, and Historisches Museum Frankfurt are currently the most popular points of interest in Frankfurt am Main at the moment. Römerberg, Hauptwache and Historisches Museum Frankfurt are located about 7.4 mi, 7.4 mi, and 7.3 mi, respectively from Frankfurt am Main if you are interested in checking them out. Travelers can rent a car at Frankfurt am Main for an average daily rate of $48 to make sightseeing during their layover a little easier.

  • What are points of interest worth seeing during a layover in Zurich?

    If you're on a layover in Zurich and looking for things to do, consider visiting Lindenhof, Paradeplatz, or Haus Konstruktiv. Travelers on a layover in Zurich can visit Lindenhof, Paradeplatz, and Haus Konstruktiv, by traveling 5.9 mi, 6.1 mi, and 6.0 mi, respectively after landing at Zurich. Those on a layover in Zurich in need of a rental car can book one at Zurich for about $75.

  • Where are the least popular layover locations for Boston to Prague flights?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston to Prague 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 Boston to Prague?

    Currently, November is the cheapest month in which you can book a flight from Boston to Prague (average of $651). Flying from Boston to Prague in June is currently the most expensive (average of $1,117). 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

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Alternative routes for Boston to Prague

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Boston to Prague

Discover the top 10 airlines that operate flights from Boston to Prague. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$276Average$406FlexibilityNo cancel feeOn-timeN/A
CondorCheapest$329Average$618FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$366Average$705FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$368Average$498FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$381Average$496FlexibilityNo cancel feeOn-time76%
SWISSCheapest$396Average$673FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$445Average$619FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$476Average$658FlexibilityNo cancel feeOn-time70%
DeltaCheapest$483Average$752FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$484Average$746FlexibilityNo cancel feeOn-time76%

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