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Cheap flights from London Heathrow Airport to Flagstaff

LHR — FLG
3 Sep — 10 Sep1
1 adult

Cheap flight deals from Heathrow to Flagstaff

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Flagstaff (FLG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 August 2025.

Popular in

June

Cheapest in

November

Average price

£837
Highest demand for flights based on searches. 11% potential increase in price (£75 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Best time to book a flight from Heathrow to Flagstaff

Have a flexible travel schedule? Discover the best time to fly to Flagstaff from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Flagstaff

What’s the top stopover airport for flights from London Heathrow Airport to Flagstaff?

Share of one-stop return flights from London Heathrow Airport to Flagstaff chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Phoenix (PHX) – chosen by Cheapflights users on 63% of one-stop itineraries from London Heathrow Airport to Flagstaff on Cheapflights.

What’s the fastest stopover option from London Heathrow Airport to Flagstaff?

Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Flagstaff, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Phoenix (PHX) have the shortest average one-way travel time for one-stop routes: 14h 28m.

What’s the fastest stopover option from London Heathrow Airport to Flagstaff?

Shortest average travel time for one-stop one-way flights from London Heathrow Airport to Flagstaff, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Phoenix (PHX) have the shortest average one-way travel time for one-stop routes: 14h 28m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Flagstaff?

Average stopover duration for one-stop one-way flights from London Heathrow Airport to Flagstaff, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Dallas (DFW) offer the fastest connection on this route, with an average stopover time of 3h 17m.

Reviews of airlines servicing Flagstaff

Get insights into the airlines that provide service to Flagstaff. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Flagstaff. Reviews last updated 29 August 2025.
See what other customers who have flown with Finnair from London Heathrow Airport to Flagstaff have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,321 reviews
Check prices

Comfort

7.5

Overall

7.6

Boarding

7.6

Food

6.7

Crew

8.1

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,321 reviews
Finnair
7.6
Good
1,321 reviews
Check prices

Comfort

7.5

Overall

7.6

Boarding

7.6

Food

6.7

Crew

8.1

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Flagstaff. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Flagstaff from London Heathrow?

    Located just 4.3 mi from the city center, Flagstaff Pulliam is the airport most travelers will use when flying to Flagstaff from London Heathrow. Booking flights from London Heathrow to Flagstaff Pulliam (FLG) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 1 airline.

  • What is the cheapest airline to fly from London Heathrow Airport to Flagstaff round-trip?

    Our cheapest airline available from London Heathrow Airport to Flagstaff is Finnair. Our recent data shows that you can find tickets from as low as £542 on this airline. Users have found that Finnair is 32% cheaper than the other options available to this destination.

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

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

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

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

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

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

See more FAQs

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Top airline flying from Heathrow to Flagstaff

Discover the top airline that operate flights from Heathrow to Flagstaff. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£542Average£842FlexibilityNo cancel feeOn-time76%
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Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Flagstaff?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Flagstaff from Heathrow today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Flagstaff?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Flagstaff for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Heathrow to Flagstaff with no change fees?

Need flexible booking options for your flight to Flagstaff from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Flagstaff become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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