Book cheap roundtrip airfare from Boston to London under $390

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Cheapoair is offering some great prices right now on Icelandair flights from US cities to London, England.

You can get cheap rountrip airfare from both San Francisco, California & Boston, Massachusetts for less than $400!

Here are the low prices currently offered:

  • San Francisco (SFO) to London Heathrow (LHR): $378.36
  • Boston (BOS) to London Heathrow (LHR): $388.41

These flights are filling up fast, so act now to take advantage of these great flight deals!