BOS - CWL

£211 Find Cheap Flights from Boston to Cardiff

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Cardiff departing on 5/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Cardiff

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Cardiff, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Cardiff, as well as popular online travel agencies
Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 26% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flights Deals
Booking Insights
Flights Deals

Cheap Flights from Boston to Cardiff (BOS-CWL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Boston to Cardiff that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Boston to Cardiff

Mon, 8 Sep - Fri, 12 Sep
Logo
21:25 - 15:55BOS-CWL
13h 30m1 stop
Logo
12:25 - 18:45CWL-BOS
11h 20m1 stop
£417
Find Deal
Wed, 10 Sep - Sun, 14 Sep
Logo
17:30 - 07:25BOS-CWL
8h 55m1 stop
Logo
11:00 - 18:45CWL-BOS
12h 45m1 stop
£448
Find Deal
Wed, 10 Sep - Sun, 14 Sep
Logo
17:30 - 07:25BOS-CWL
8h 55m1 stop
Logo
17:20 - 14:20CWL-BOS
50h 00m2 stops
£492
Find Deal
Sat, 13 Sep - Sat, 20 Sep
Logo
17:30 - 10:35BOS-CWL
12h 05m1 stop
Logo
09:00 - 14:40CWL-BOS
10h 40m1 stop
£499
Find Deal
Sat, 13 Sep - Sat, 20 Sep
KLM Logo
13:25 - 09:15BOS-CWL
14h 50m2 stops
KLM Logo
17:35 - 18:25CWL-BOS
29h 50m1 stop
£511KLM
Find Deal
Sat, 13 Sep - Sat, 20 Sep
Delta Logo
11:55 - 09:15BOS-CWL
16h 20m2 stops
Delta Logo
09:45 - 22:30CWL-BOS
17h 45m2 stops
£526Delta
Find Deal
Thu, 27 Nov - Mon, 1 Dec
KLM Logo
19:05 - 09:50BOS-CWL
9h 45m1 stop
KLM Logo
10:20 - 13:20CWL-BOS
32h 00m1 stop
£532KLM
Find Deal
Sun, 12 Oct - Sat, 18 Oct
KLM Logo
18:45 - 16:45BOS-CWL
17h 00m1 stop
KLM Logo
17:35 - 13:40CWL-BOS
25h 05m1 stop
£623KLM
Find Deal
Wed, 10 Sep - Sun, 14 Sep
Delta Logo
12:00 - 09:15BOS-CWL
16h 15m2 stops
Delta Logo
09:50 - 22:30CWL-BOS
17h 40m2 stops
£634Delta
Find Deal
Thu, 27 Nov - Mon, 1 Dec
Delta Logo
15:34 - 09:50BOS-CWL
13h 16m2 stops
Delta Logo
10:20 - 18:55CWL-BOS
13h 35m1 stop
£767Delta
Find Deal
Booking Insights

KAYAK's insights & trends for Boston to Cardiff flights

Get data-powered insights and trends into flights from Boston to Cardiff to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Boston to Cardiff?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest return tickets from Boston to Cardiff were found on KLM (£511) and Delta (£526).

Find deals

Good to know - Cheap tickets from Boston to Cardiff

Low seasonFebruary
Cheapest flight£211
Best time to beat the crowds (26% less expensive on average)
Most popular time to fly and prices are also 11% lower on average.
Flight from Boston to Cardiff

When to book flights from Boston to Cardiff

Are your dates flexible? Find out the best times to travel from Boston to Cardiff based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Boston to Cardiff

  • What is the cheapest flight from Boston to Cardiff?

    In the last 3 days, the lowest price for a flight from Boston to Cardiff was £279 for a one-way ticket and £551 for a return.

  • Which airports will I be using when flying from Boston to Cardiff?

    Boston and Cardiff are both served by 1 main airport. You will leave Boston from Boston Logan Intl and will be arriving at Cardiff Wales.

  • Which aircraft models fly most regularly from Boston to Cardiff?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Boston to Cardiff?

    SkyTeam is the only airline alliance operating flights between Boston and Cardiff.

  • How does KAYAK find such low prices on flights from Boston to Cardiff?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boston to Cardiff.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boston to Cardiff?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Cardiff from Boston is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boston to Cardiff?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Cardiff with an airline and back to Boston with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston to Cardiff?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Cardiff from Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Boston to Cardiff

Information on your arrival and departure airports

Boston (BOS)
Cardiff (CWL)

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.