CWL - BOS

$658 Find Cheap Flights from Cardiff to Boston

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Cardiff to Boston departing on 9/13. 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 Boston

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Cardiff to Boston, 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 Cardiff to Boston, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Cardiff to Boston (CWL-BOS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Cardiff to Boston 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 round-trip flight deals from Cardiff to Boston

Sat, Sep 13 - Sat, Sep 20
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9:00 am - 10:00 pmCWL-BOS
18h 00m2 stops
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8:50 pm - 9:15 amBOS-CWL
31h 25m3 stops
$658
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Sun, Sep 14 - Sun, Sep 21
Delta Logo
9:50 am - 4:30 pmCWL-BOS
11h 40m1 stop
Delta Logo
8:50 pm - 4:45 pmBOS-CWL
14h 55m2 stops
$669Delta
Find Deal
Sun, Sep 14 - Sun, Sep 21
KLM Logo
5:15 pm - 4:30 pmCWL-BOS
28h 15m1 stop
KLM Logo
6:45 pm - 9:15 amBOS-CWL
9h 30m1 stop
$673KLM
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Sun, Sep 14 - Sun, Sep 21
Delta Logo
9:50 am - 10:30 pmCWL-BOS
17h 40m2 stops
Delta Logo
8:50 pm - 4:45 pmBOS-CWL
14h 55m2 stops
$674Delta
Find Deal
Sat, Sep 13 - Sat, Sep 20
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5:35 pm - 2:40 pmCWL-BOS
26h 05m2 stops
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5:30 pm - 10:35 amBOS-CWL
12h 05m1 stop
$694
Find Deal
Sat, Sep 20 - Sat, Sep 27
Delta Logo
9:45 am - 4:30 pmCWL-BOS
11h 45m1 stop
Delta Logo
4:50 pm - 9:15 amBOS-CWL
11h 25m1 stop
$710Delta
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Sat, Sep 13 - Sat, Sep 20
Logo
9:00 am - 2:40 pmCWL-BOS
10h 40m1 stop
Logo
5:30 pm - 10:35 amBOS-CWL
12h 05m1 stop
$714
Find Deal
Sat, Sep 13 - Sat, Sep 20
Delta Logo
9:45 am - 10:30 pmCWL-BOS
17h 45m2 stops
Delta Logo
1:25 pm - 9:15 amBOS-CWL
14h 50m2 stops
$715Delta
Find Deal
Sat, Sep 13 - Sat, Sep 20
Logo
9:00 am - 3:35 pmCWL-BOS
35h 35m3 stops
Logo
5:40 pm - 9:15 amBOS-CWL
34h 35m3 stops
$801
Find Deal
Sun, Sep 14 - Sun, Sep 21
Aer Lingus Logo
12:00 pm - 6:45 pmCWL-BOS
35h 45m3 stops
Aer Lingus Logo
9:25 pm - 11:30 amBOS-CWL
33h 05m3 stops
$1,171Aer Lingus
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Booking Insights

KAYAK's insights & trends for Cardiff to Boston flights

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

Which airlines provide the cheapest flights from Cardiff to Boston?

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 round-trip tickets from Cardiff to Boston were found on Delta ($669) and KLM ($673).

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Good to know

Low seasonJune
Cheapest flight$658
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly and prices are also 12% lower on average.
Flight from Cardiff to Boston

When to book flights from Cardiff to Boston

Are your dates flexible? Find out the best times to travel from Cardiff to Boston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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 Cardiff to Boston

  • What is the cheapest flight from Cardiff to Boston?

    In the last 3 days, the lowest price for a flight from Cardiff to Boston was $1,639 for a one-way ticket and $658 for a round-trip.

  • Do I need a passport to fly between Cardiff and Boston?

    Yes, you’ll need a passport to travel to Boston from Cardiff.

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

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

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

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

  • Which airline alliances offer flights from Cardiff to Boston?

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

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

    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 Cardiff to Boston.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Cardiff 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 Cardiff to Boston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to Cardiff with another airline. Booking your flights between Cardiff and BOS can sometimes prove cheaper using this method.

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

    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 Boston from Cardiff 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 Cardiff to Boston

Information on your arrival and departure airports

Cardiff (CWL)
Boston (BOS)

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