HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heathrow

$725+ Cheap flights from Missoula (MSO) to Heathrow (LHR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — LHR
May 19 — May 261
Mon 5/19
Mon 5/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missoula to Heathrow with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Missoula to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Missoula (MSO) to Heathrow (LHR). 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 May 14, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$725
(United Airlines)

Popular in

June

Cheapest in

October

Average price

$833
Provider with most accurate pricing for Missoula Johnson-Bell Field-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Missoula Johnson-Bell Field-London Heathrow flights.
Search Deals
From Missoula Johnson-Bell Field to London Heathrow
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($153 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

Find flight deals from Missoula to Heathrow

Cheapest flights from Missoula to Heathrow
Explore the most affordable flight options available from Missoula to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 14, 2025.

This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1512:40 pmMSO - LHR
1 stop16h 05mUnited Airlines
Mon 8/259:30 amLHR - MSO
2 stops32h 57mUnited Airlines
Deal found 5/12$725
This American Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/262:35 pmMSO - LHR
1 stop14h 40mMultiple Airlines
Wed 12/33:00 pmLHR - MSO
1 stop15h 57mMultiple Airlines
Deal found 5/12$747
This Delta deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/265:40 amMSO - LHR
2 stops21h 35mDelta
Wed 12/36:20 amLHR - MSO
2 stops20h 52mDelta
Deal found 5/12$793
This KLM deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/203:27 pmMSO - LHR
1 stop14h 43mKLM
Sun 7/610:55 amLHR - MSO
1 stop13h 49mKLM
Deal found 5/12$1,078

Cheapflights Fare Finder

Customize your flight search to find flights from Missoula to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 14, 2025.
Use the filters below to find and compare flights from Missoula to London Heathrow Airport that are best for you.

Fly from

Missoula

Fly to

Heathrow

Route

Depart

Return

Price

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Fri 8/15

12:40 pm-11:45 am

1 stop16h 05m

London Heathrow

Mon 8/25

9:30 am-11:27 am

2 stops32h 57m

$725

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Fri 8/15

7:45 am-6:50 am

1 stop16h 05m

London Heathrow

Mon 8/25

9:50 am-6:00 pm

1 stop15h 10m

$847

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Fri 6/20

1:08 pm-1:10 pm

2 stops17h 02m

London Heathrow

Fri 7/4

10:55 am-11:07 pm

2 stops19h 12m

$1,013

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Fri 6/20

3:27 pm-1:10 pm

1 stop14h 43m

London Heathrow

Sun 7/6

10:55 am-5:44 pm

1 stop13h 49m

$1,078

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Compare providers for flights from Missoula to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Missoula to Heathrow in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Missoula-London Heathrow Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Missoula-London Heathrow Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Missoula-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Missoula-London Heathrow Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Missoula-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Missoula to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Missoula with our price prediction graph.
Estimated round-trip 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 Missoula to London Heathrow Airport

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated May 14, 2025.
Delta
8.0
Very good
7,949 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,949 reviews
Delta
8.0
Very good
7,949 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,342 reviews
Delta
8.0
Very good
7,949 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,726 reviews
Delta
8.0
Very good
7,949 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Missoula to Heathrow. 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 from for flights from Missoula to London Heathrow?

    Missoula Johnson-Bell Field (MSO) is the airport you will fly out of if you book a flight from Missoula to London Heathrow. You should not have trouble finding flights to London Heathrow from Johnson-Bell Field; 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 1 airline has flights from the Missoula airport to London Heathrow. It is only a 5.5 mi journey to Johnson-Bell Field (MSO) from Missoula’s city center.

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

    Our cheapest airline available from Missoula to London Heathrow Airport is United Airlines. Our recent data shows that you can find tickets from as low as $725 on this airline. Additional options worth looking into are Delta and KLM, starting at $1,013 and $1,078 round-trip. United Airlines is currently priced 19% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missoula 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.

  • What is the cheapest month to book a flight from Missoula to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Missoula to London Heathrow Airport (average of $661). Flying from Missoula to London Heathrow Airport in June is currently the most expensive (average of $1,100). 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.

See more FAQs

Traveling to a place near Missoula?

Book flights to Missoula if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Canterbury
Harrow
Wembley
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Folkestone
Ilford
Broadway
Aylesbury
Chelmsford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Missoula to Heathrow

Discover the top airline that operate flights from Missoula to Heathrow. 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 2,558,603 searches. Data last updated May 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$687Average$851FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.