Cheap flights from Portland (PWM) to Heathrow (LHR) from $587

Currently, November is the cheapest month in which you can book a flight from Portland, Maine to London Heathrow Airport (average of $653). Flying from Portland, Maine to London Heathrow Airport in June is currently the most expensive (average of $1,158). 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 airport do you fly from for flights from Portland to London Heathrow?

  Portland (PWM) is the airport you will fly out of if you book a flight from Portland to London Heathrow. You should not have trouble finding flights to London Heathrow from Portland; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Portland airport to London Heathrow. It is only a 2.9 mi journey to Portland (PWM) from Portland’s city center.

• Can I find flights from Portland, Maine to London Heathrow Airport for under $700 on Cheapflights?

  Yes, there are multiple flights from Portland, Maine to London Heathrow Airport for under $700. The cheapest flight booked recently is on JetBlue for just $629, but on average you can expect to pay $758.

• Are there last-minute flights available from Portland, Maine to London Heathrow Airport for under $900?

  There are currently 4+ open flights from Portland, Maine to London Heathrow Airport within the next 7 days for less than $900.

• What are the cheapest airlines flying from Portland, Maine to London Heathrow Airport round-trip?

  JetBlue, at $629, was found to be the cheapest airline from Portland, Maine to London Heathrow Airport.Alternate airlines to your destination round-trip include American Airlines and United Airlines. These flights start at 34% lower than the current average price 3 months from now.

• What are the cheapest airlines to fly from Portland, Maine to London Heathrow Airport one-way?

  The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $587. However, be on the lookout for offers from Air Canada and United Airlines, as they are both options that can get you from Portland, Maine to London Heathrow Airport for a low price.

• What are the most popular airlines that fly from Portland, Maine to London Heathrow Airport?

  Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Portland, Maine to London Heathrow Airport.

• What does PWM to LHR mean?

  Great question - PWM to LHR just means Portland Airport to London Heathrow Airport. Now you’ll know what these unique codes when you look for flights!

• Can I find deals for flights from Portland to Heathrow that include extra baggage allowance?

  The amount of baggage you can bring on your Portland to Heathrow flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

• Can I find deals on flights from Portland to Heathrow with specific airlines?

  Yes, Cheapflights allows you to browse and filter Portland to Heathrow flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

• Can I find deals for flights from Portland to Heathrow that include hotel bookings?

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

• How can I find direct flights from Portland to Heathrow?

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

• Can I find deals for business class flights from Portland to Heathrow?

  Yes. Cheapflights offers flight deals from Portland to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

• Can I find deals for flights from Portland to Heathrow that allow pets onboard?

  Many airlines flying from Portland to Heathrow offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

• Can I find deals on last-minute flights from Portland to Heathrow?

  Yes, you can often find last-minute deals on Portland to Heathrow flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

• How recently were the Portland, Maine to London Heathrow Airport flight deals updated?

  The Portland, Maine to London Heathrow Airport flight deals you see on this page were last updated on 5/8.