The cheapest times to fly from LHR to JNU are

  • January 15th to March 25th (except the week of February 5th)
  • April 23rd to May 13th
  • June 4th to July 1st
  • October 29th to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from LHR to JNU is early November. Prices can be as high as $2339 for Sunday flights during mid December, or as low as $1392 for Tuesday flights around early November.


When to Fly to Juneau

Flying from London (LHR) to Juneau, AK (JNU) will usually cost between $1457 to $2032 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early November with an average ticket price of $1483. Due to high demand the most expensive time to fly is mid December, with an average price of $2116. Planning your trip to low-cost times can easily save you $633 on economy flights and even more on first-class flights. Generally, any price below $1585 can be considered a good price for a round-trip LHR to JNU flight.

See below for a graph of average weekly prices for the LHR to JNU route. All prices are for round-trip tickets in USD.

LHR to JNU Flight Prices

Compared to other flights, the LHR to JNU flight is more expensive than the average and costs more than the average flight leaving from London. The average price per mile (for a direct flight) is $0.22, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly to Juneau, and Saturdays are the most expensive days to return to London. Selecting flights on the least expensive days could save you up to $205 (12%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1599. Return trip prices are from the JNU to LHR flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from LHR to JNU can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 8 hour 56 minutes may not be realistic.


Flight Hacking LHR to JNU

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from LHR to JNU — but Champion Traveler does!

Hack #1: Seattle, WA (LHR > SEA > JNU)

  • Price for both tickets: $859
  • Average savings: $726 (45.8%)

See LHR to YVR flights

Hack #2: Vancouver (LHR > YVR > JNU)

  • Price for both tickets: $930
  • Average savings: $656 (41.36%)

See LHR to SEA flights

Hack #3: San Francisco, CA (LHR > SFO > JNU)

  • Price for both tickets: $931
  • Average savings: $654 (41.26%)

See LHR to SFO flights


Flight Questions Answered

Still have questions about flying from LHR to JNU? We’ve got answers.

Which airlines fly this route?

You can find 10 major airlines flying this route most often: Air France, Alaska, American, British Airways, Delta, Finnair, Iberia, KLM, Singapore Airlines, Virgin Atlantic, and potentially more during busy seasons.

How far away is it from Juneau International Airport to London Heathrow Airport?

The distance between the two airports is roughly 4421 miles or 7115 kilometers.

How long does it take to fly from LHR to JNU?

The real-world flight time for a nonstop LHR to JNU flight is about 8 hour 56 minutes.

How many flights go between London and Juneau, AK?

It depends on the day of the week and the date, but a typical day might have around 10 available flights from LHR to JNU.


Airport Location Info


Departing Airport

Origination codeLHR
Origination airport nameLondon Heathrow Airport
Countrythe United Kingdom

Return Airport

Destination codeJNU
Destination airport nameJuneau International Airport
CityJuneau, AK
Countrythe United States


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.