---
title: "Flights to Boston (BOS) from Cardiff (CWL) | Expedia.co.uk"
description: "Reserve one-way or return flights from Cardiff to Boston with no change fee on selected flights. Earn your airline miles on top of our rewards! Get 2026 flight deals for now!"
canonical: "https://www.expedia.co.uk/lp/flights/cwl/bos/cardiff-to-boston"
language: en-GB
market: GB
currency: GBP
prices_as_of: 2026-11-13T02:12:44Z
---

# £464 Cheap Flights from Cardiff (CWL) to Boston (BOS)
![A city street with a historic building labeled 'QUINCY MARKET,' trees with autumn leaves, and modern high-rise buildings.](https://images.trvl-media.com/place/5459778/1efe54a0-5011-4269-b6c4-92db64d64036.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

[View £464 flight on Fri, 26 Feb 2027](https://www.expedia.co.uk/Flights-Search?leg1=from:CWL,to:BOS,departure:26/02/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:463.98&airProductToken=AQp1CjIIy5gBEgQxMDk0GMJdIICTASiapaYDMOqlpgM4TEAAWAFqBUxJR0hUcghSWUxESTRMQQo%5FCMuYARIENjA2NhiAkwEgwZMBKMOtpgMwobGmAzhSQAFYAWoFTElHSFRyCFJZTERJNExBegoIxJgBEgQ2MDY2EgoIAhABGAIqAktMGAEiBAgBEAEoAigDKAQwAQ)

## Popular airlines from Cardiff International Airport (CWL) to Logan International Airport (BOS)

[KLM](https://www.expedia.co.uk/Flights-Search?leg1=from:CWL,to:BOS,departure:27/11/2026TANYT&leg2=from:BOS,to:CWL,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KL"}}])

[British Airways](https://www.expedia.co.uk/Flights-Search?leg1=from:CWL,to:BOS,departure:27/11/2026TANYT&leg2=from:BOS,to:CWL,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}])

[Virgin Atlantic](https://www.expedia.co.uk/Flights-Search?leg1=from:CWL,to:BOS,departure:27/11/2026TANYT&leg2=from:BOS,to:CWL,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"VS"}}])

[Delta](https://www.expedia.co.uk/Flights-Search?leg1=from:CWL,to:BOS,departure:27/11/2026TANYT&leg2=from:BOS,to:CWL,departure:04/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}])

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## Cheap Flights from Cardiff to Boston (CWL-BOS)

Prices were available within the past 7 days and start at £464 for one-way flights and £669 for return, for the period specified. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Return

[Select KLM flight, departing Wed, 25 Nov from Cardiff to Boston, returning Wed, 2 Dec, priced at £669 Found 2 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:CWL,to:BOS,departure:25/11/2026TANYT&leg2=from:BOS,to:CWL,departure:02/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:668.98&airProductToken=AQp1CjIIy5gBEgQxMDk0GMJdIICTASj6jp4DMMqPngM4TEAAWAFqBUxJR0hUcghWWUw4VFZMVgo%5FCMuYARIENjA2NhiAkwEgwZMBKKOXngMwgZueAzhWQAFYAWoFTElHSFRyCFZZTDhUVkxWegoIxJgBEgQ2MDY2CqcBCj4Iy5gBEgQ1MTM3GMGTASCpUSiS3J4DMO%5FcngM4VkAAWAFqBUxJR0hUcghWWUw4VFZMVnoKCMSYARIENTEzNwoxCMuYARIDNjQyGKlRIICTASjo354DMIzjngM4VkABWAFqBUxJR0hUcghWWUw4VFZMVgoyCMuYARIEMTA5MxiAkwEgwl0ojOieAzDc6J4DOExAAVgBagVMSUdIVHIIVllMOFRWTFYSCggCEAEYAioCS0wYASIECAEQASgCKAMoBDAB)

Wed, 25 Nov - Wed, 2 Dec · CWL · BOS · From £669 · Return

[Select KLM flight, departing Mon, 11 Jan from Cardiff to Boston, returning Mon, 8 Mar, priced at £670 Found 2 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:CWL,to:BOS,departure:11/01/2027TANYT&leg2=from:BOS,to:CWL,departure:08/03/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:669.98&airProductToken=AQp1CjIIy5gBEgQxMDk0GMJdIICTASjan6IDMKqgogM4TEAAWAFqBUxJR0hUcghWWUxFVFZMVAo%5FCMuYARIENjA2NhiAkwEgwZMBKIOoogMw66uiAzhWQAFYAWoFTElHSFRyCFZZTEVUVkxUegoIxJgBEgQ2MDY2CnUKPwjLmAESBDYwOTUYwZMBIICTASj0mKcDMJOcpwM4VkAAWAFqBUxJR0hUcghWWUxFVFZMVHoKCMSYARIENjA5NQoyCMuYARIEMTA5MxiAkwEgwl0ojKCnAzDcoKcDOExAAVgBagVMSUdIVHIIVllMRVRWTFQSCggCEAEYAioCS0wYASIECAEQASgCKAMoBDAB)

Mon, 11 Jan - Mon, 8 Mar · CWL · BOS · From £670 · Return

[Select Air France flight, departing Tue, 1 Jun from Cardiff to Boston, returning Sun, 6 Jun, priced at £673 Found 1 day ago](https://www.expedia.co.uk/Flights-Search?leg1=from:CWL,to:BOS,departure:01/06/2027TANYT&leg2=from:BOS,to:CWL,departure:06/06/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:672.51&airProductToken=AQqBAQo-CMGMARIEODM0MhjCXSCAkwEo7c2uAzC9zq4DOEdAAFgBagVMSUdIVHIIVllLRVRWTFR6CgjLmAESBDgzNDIKPwjBjAESBDg5ODMYgJMBIMGTASi12a4DMI7drgM4VkABWAFqBUxJR0hUcghWWUtFVFZMVHoKCMSYARIEODk4MwqBAQo%5FCMGMARIEMzE3NBjBkwEggJMBKK-NrwMwyZCvAzhWQABYAWoFTElHSFRyCFZZS0VUVkxUegoIy5gBEgQzMTc0Cj4IwYwBEgQ4MzM1GICTASDCXSiBlK8DMNGUrwM4WEABWAFqBUxJR0hUcghWWUtFVFZMVHoKCMuYARIEODMzNRIKCAIQARgCKgJBRhgBIgQIARABKAIoAygEMAE)

Tue, 1 Jun - Sun, 6 Jun · CWL · BOS · From £673 · Return

[Select Air France flight, departing Wed, 26 May from Cardiff to Boston, returning Sat, 5 Jun, priced at £674 Found 1 day ago](https://www.expedia.co.uk/Flights-Search?leg1=from:CWL,to:BOS,departure:26/05/2027TANYT&leg2=from:BOS,to:CWL,departure:05/06/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:673.51&airProductToken=AQqBAQo-CMGMARIEODM0MhjCXSCAkwEorYquAzD9iq4DOFhAAFgBagVMSUdIVHIIVllLRVRWTFR6CgjLmAESBDgzNDIKPwjBjAESBDMxNzIYgJMBIMGTASifja4DMNyQrgM4VkABWAFqBUxJR0hUcghWWUtFVFZMVHoKCMuYARIEMzE3MgqBAQo%5FCMGMARIEMzE3NBjBkwEggJMBKI-CrwMwqYWvAzhWQABYAWoFTElHSFRyCFZZS0VUVkxUegoIy5gBEgQzMTc0Cj4IwYwBEgQ4MzM1GICTASDCXSjhiK8DMLGJrwM4WEABWAFqBUxJR0hUcghWWUtFVFZMVHoKCMuYARIEODMzNRIKCAIQARgCKgJBRhgBIgQIARABKAIoAygEMA0)

Wed, 26 May - Sat, 5 Jun · CWL · BOS · From £674 · Return

[Select KLM flight, departing Wed, 23 Dec from Cardiff to Boston, returning Wed, 30 Dec, priced at £677 Found 20 hours ago](https://www.expedia.co.uk/Flights-Search?leg1=from:CWL,to:BOS,departure:23/12/2026TANYT&leg2=from:BOS,to:CWL,departure:30/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:676.58&airProductToken=AQqnAQoyCMuYARIEMTA5NBjCXSCAkwEo-smgAzDKyqADOExAAFgBagVMSUdIVHIIVllLRVRWTFQKMQjLmAESAzY0MxiAkwEgqVEoxdSgAzC02KADOFZAAVgBagVMSUdIVHIIVllLRVRWTFQKPgjLmAESBDUzOTQYqVEgwZMBKJ3ZoAMw9tmgAzhWQAFYAWoFTElHSFRyCFZZS0VUVkxUegoIxJgBEgQ1Mzk0CnUKPwjLmAESBDYwOTUYwZMBIICTASj5m6EDMJOfoQM4UkAAWAFqBUxJR0hUcghSWUtESTVMQXoKCMSYARIENjA5NQoyCMuYARIEMTA5MxiAkwEgwl0ojKOhAzDco6EDOExAAVgBagVMSUdIVHIIUllLREk1TEESCggCEAEYAioCS0wYASIECAEQASgCKAMoBDAB)

Wed, 23 Dec - Wed, 30 Dec · CWL · BOS · From £677 · Return

[Select Air France flight, departing Tue, 1 Jun from Cardiff to Boston, returning Sun, 6 Jun, priced at £678 Found 1 day ago](https://www.expedia.co.uk/Flights-Search?leg1=from:CWL,to:BOS,departure:01/06/2027TANYT&leg2=from:BOS,to:CWL,departure:06/06/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:677.71&airProductToken=AQqBAQo-CMGMARIEODM0NBjCXSCAkwEor9GuAzD%5F0a4DOFhAAFgBagVMSUdIVHIIVllLRVRWTFR6CgjLmAESBDgzNDQKPwjBjAESBDMxNzIYgJMBIMGTASj%5F264DMLzfrgM4VkABWAFqBUxJR0hUcghWWUtFVFZMVHoKCMuYARIEMzE3MgrAAQo-CMGMARIEODc0NBjBkwEgqVEozY2vAzCnjq8DOFZAAFgBagVMSUdIVHIIVllLRVRWTFR6CgjEmAESBDg3NDQKPgjBjAESBDg0NTEYqVEggJMBKIaZrwMwvpyvAzhWQAFYAWoFTElHSFRyCFZZS0VUVkxUegoIy5gBEgQ4NDUxCj4IwYwBEgQ4MzM1GICTASDCXSihn68DMPGfrwM4WEABWAFqBUxJR0hUcghWWUtFVFZMVHoKCMuYARIEODMzNRIKCAIQARgCKgJBRhgBIgQIARABKAIoAygEMAE)

Tue, 1 Jun - Sun, 6 Jun · CWL · BOS · From £678 · Return

[Select KLM flight, departing Mon, 11 Jan from Cardiff to Boston, returning Mon, 8 Mar, priced at £679 Found 2 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:CWL,to:BOS,departure:11/01/2027TANYT&leg2=from:BOS,to:CWL,departure:08/03/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:678.98&airProductToken=AQp1CjIIy5gBEgQxMDg4GMJdIICTASisnKIDMPycogM4TEAAWAFqBUxJR0hUcghSWUxESTVMQQo%5FCMuYARIENjA2NhiAkwEgwZMBKIOoogMw66uiAzhSQAFYAWoFTElHSFRyCFJZTERJNUxBegoIxJgBEgQ2MDY2CmgKMgjLmAESAzYxOBjBkwEggJMBKNOZpwMw7ZynAzhWQABYAWoFTElHSFRyCFZZTEVUVkxUCjIIy5gBEgQxMDg3GICTASDCXSj-p6cDMM6opwM4TEABWAFqBUxJR0hUcghWWUxFVFZMVBIKCAIQARgCKgJLTBgBIgQIARABKAIoAygEMAE)

Mon, 11 Jan - Mon, 8 Mar · CWL · BOS · From £679 · Return

[Select Delta flight, departing Tue, 19 Jan from Cardiff to Boston, returning Fri, 23 Apr, priced at £719 Found 5 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:CWL,to:BOS,departure:19/01/2027TANYT&leg2=from:BOS,to:CWL,departure:23/04/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:718.48&airProductToken=AQp8CkIIxJgBEgQ5NTAzGMJdIICTASis9qIDMPz2ogM4RUAAWAFqCU1BSU5CQVNJQ3IIWFlMOFRCTEF6CgjLmAESBDk1MDMKNgjEmAESAzI1NxiAkwEgwZMBKIOCowMw64WjAzhFQAFYAWoJTUFJTkJBU0lDcghYWUw4VEJMQQp8CjYIxJgBEgMyNDIYwZMBIICTASjknasDMIihqwM4RUAAWAFqCU1BSU5CQVNJQ3IIWFlMOFRCTEEKQgjEmAESBDk1ODAYgJMBIMJdKMShqwMwj6KrAzhFQAFYAWoJTUFJTkJBU0lDcghYWUw4VEJMQXoKCMuYARIEOTU4MBIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE)

Tue, 19 Jan - Fri, 23 Apr · CWL · BOS · From £719 · Return

[Select Virgin Atlantic flight, departing Fri, 26 Feb from Cardiff to Boston, returning Mon, 15 Mar, priced at £719 Found 5 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:CWL,to:BOS,departure:26/02/2027TANYT&leg2=from:BOS,to:CWL,departure:15/03/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:718.58&airProductToken=AQqBAQo-CNamARIENjk2MhjCXSCAkwEomqWmAzDqpaYDOFRAAFgBagVMSUdIVHIITllMOFRCTEF6CgjLmAESBDY5NjIKPwjWpgESBDM5MTUYgJMBIMGTASjDraYDMKGxpgM4VEABWAFqBUxJR0hUcghOWUw4VEJMQXoKCMSYARIEMzkxNQqBAQo%5FCNamARIENzExOBjBkwEggJMBKLPopwMwzeunAzhUQABYAWoFTElHSFRyCE5ZTFFKQkxBegoIy5gBEgQ3MTE4Cj4I1qYBEgQ2OTYzGICTASDCXSje9qcDMK73pwM4VEABWAFqBUxJR0hUcghOWUxRSkJMQXoKCMuYARIENjk2MxIKCAEQARgBKgJWUxgBIgQIARABKAIoAygEMAE)

Fri, 26 Feb - Mon, 15 Mar · CWL · BOS · From £719 · Return

[Select British Airways flight, departing Thu, 3 Dec from Cardiff to Boston, returning Mon, 7 Dec, priced at £858 Found 5 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:CWL,to:BOS,departure:03/12/2026TANYT&leg2=from:BOS,to:CWL,departure:07/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:857.11&airProductToken=AQqhAQo7CMKCARIEODk3ORjCXSDhGSj85J4DMNHlngM4UUAAWAFqA0JBR3IIUUxXNEMxTTR6CgjFkgESBDg5NzkKMAjCggESBDE0MDMY4Rkg64kBKI7pngMw2emeAzhRQAFYAWoDQkFHcghRTFc0QzFNNAowCMKCARIDMjAzGOuJASDBkwEo%5FPOeAzDI954DOFFAAVgBagNCQUdyCFFMVzRDMU00CqEBCjAIwoIBEgMyMTIYwZMBIOuJASjnmJ8DMPebnwM4UUAAWAFqA0JBR3IIUUxYNEMxTTQKMAjCggESBDEzOTIY64kBIOEZKMycnwMwoZ2fAzhRQAFYAWoDQkFHcghRTFg0QzFNNAo7CMKCARIEODk3OBjhGSDCXSjsnZ8DMMGenwM4UUABWAFqA0JBR3IIUUxYNEMxTTR6CgjFkgESBDg5NzgSCggBEAEYASoCQkEYASIECAEQASgCKAMoBDAN)

Thu, 3 Dec - Mon, 7 Dec · CWL · BOS · From £858 · Return

## Book with confidence

### Compare flights from Cardiff to Boston easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Cardiff to Boston. Operating between them flights per day, 6 airlines cover the route. And fly direct, getting you to Logan Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Cardiff Intl. to Logan Intl..

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.

#### Grab a great deal on your flight from Cardiff Intl. (CWL) to Logan Intl. (BOS)

The easiest way to view the best deals on flights from Cardiff to Boston today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Cardiff Intl. to Logan Intl. start at just £669 and range up to £858\.

To find an even better deal, try

- being flexible on your dates – midweek flights can be cheaper
- looking for other airports near Cardiff and Boston
- booking your flight during November, the cheapest month on this route
- varying your flight times – early morning and late at night are sometimes cheaper

#### Why you should book your Cardiff to Boston flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Cardiff Intl. to Logan Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.

## Frequently Asked Questions

### How much does a flight from Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.) cost?

You can find one-way and return flights from CWL to BOS with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when CWL to BOS ticket fares go up or down.

### What is the cheapest month to fly from Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.)?

The cheapest months to fly from CWL to BOS are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

### Which airlines fly direct from Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.)?

Enter CWL to BOS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

### How do I find cheap flights from Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.)?

To find a cheap flight from Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up [Price Tracking](https://www.expedia.co.uk/why/price-tracking) and receive alerts when fares go up or down.

### What is the best time to fly from Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.)?

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

### How many flights per day from Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.)?

There are approximately 3 connecting flights per day from Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.). Some common connection points include Schiphol (AMS), George Best Belfast City (BHD), and Newport Train Station (XNE).

### What is the earliest flight from Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.)?

The earliest flight from Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.) typically departs around 9:50 AM. This service is operated by airlines such as KLM and Air France. This is a seasonal service active in September and October. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

### What day of the week has the most flights from Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.)?

You'll typically find the most flights from Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.) on a Sunday, with around 9 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include KLM and Aer Lingus.

### What are the most popular departure times for flights from Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.)?

The most popular departure times for flights from Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.) are between 12pm and 3pm. Aer Lingus offers flights during this window. Many travellers prefer this time as it allows for a comfortable morning before heading to the airport and an afternoon arrival at your destination.

### How long does it take to fly from Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.)?

There are no nonstop flights from Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.). For flights with one stop, you can expect the journey to take around 11 hours 48 minutes. Flights with two or more stops will typically take longer, averaging about 14 hours 48 minutes. The total distance covered for this route is approximately 5,053 kilometers. Keep in mind that these are average times, and your actual travel duration can vary depending on the specific routing, layover times, and factors like weather.

### Can you fly business or first class from Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.)?

You can fly business class between CWL and BOS. You can fly business class with KLM.

### How do I earn miles on a Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.) flight with Expedia?

It's easy to earn miles on a Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of [One Key™](https://www.expedia.co.uk/welcome-one-key), you can also earn OneKeyCash™\* on top of your airline miles when you book with Expedia.

\*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

### What airports do you fly into for Boston, MA (BOS) from Cardiff (CWL)?

If you're planning to travel to Boston from Cardiff Intl. (CWL), you can fly directly into Logan International Airport (BOS) which offers international flights and connections. Some flights may connect through major hubs like Schiphol (AMS), Edinburgh Airport (EDI), or George Best Belfast City Airport (BHD) before reaching Boston. Compare routes and airports on Expedia to find the best flight options for your travel plans.

### Is it cheaper to buy a plane ticket from Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.) at the last minute?

Typically, booking a last minute flight from Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

### Is it cheaper to book a Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.) flight and hotel package?

Securing a Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.) [flight and hotel package](https://www.expedia.co.uk/boston.d178239.holidays-city-breaks) is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

### Can I cancel or change the date of my flight from Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.)?

If you booked your Cardiff (CWL-Cardiff Intl.) to Boston, MA (BOS-Logan Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in [your itinerary](https://www.expedia.co.uk/trips) or confirmation email. Or, head to our [Customer Service portal](https://www.expedia.co.uk/helpcenter/) if you'd like more information.

## Travel information

| Origin airport      | Cardiff International Airport                |
| ------------------- | -------------------------------------------- |
| Destination airport | Logan International Airport                  |
| Distance            | 3,139 miles away                             |
| Airlines serving    | KLM, British Airways, Virgin Atlantic, Delta |
| Popular airline     | KLM                                          |
| Return price        | £669                                         |

## Explore a world of travel with Expedia

- [Flights](?equalTargetTab=tab-0)
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