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$582+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — LHR
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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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 August 14, 2025.

Round-trip from

$582
(Virgin Atlantic)

Popular in

June

Cheapest in

March

Average price

$889
From Missoula Johnson-Bell Field to London Heathrow
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($204 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 14, 2025.

This Virgin Atlantic deal was found by Cheapflights users on 8/12. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/93:31 pmMSO - LHR
1 stop14h 39mVirgin Atlantic
Tue 9/1611:30 amLHR - MSO
2 stops19h 16mVirgin Atlantic
Deal found 8/12$582
This KLM deal was found by Cheapflights users on 8/12. 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.
Wed 11/268:00 amMSO - LHR
1 stop16h 05mKLM
Wed 12/38:40 amLHR - MSO
2 stops18h 32mKLM
Deal found 8/12$584
This Delta deal was found by Cheapflights users on 8/11. 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.
Thu 8/213:31 pmMSO - LHR
1 stop14h 39mDelta
Wed 8/2711:30 amLHR - MSO
2 stops19h 19mDelta
Deal found 8/11$632
This Delta deal was found by Cheapflights users on 8/12. 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.
Sun 10/128:00 amMSO - LHR
1 stop22h 10mDelta
Fri 12/56:30 amLHR - MSO
2 stops20h 42mDelta
Deal found 8/12$633
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Sat 9/134:17 pmMSO - LHR
1 stop35h 08mUnited Airlines
Fri 9/264:00 pmLHR - MSO
2 stops28h 27mUnited Airlines
Deal found 8/12$634
This Delta deal was found by Cheapflights users on 8/12. 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 11/265:35 amMSO - LHR
2 stops18h 30mDelta
Wed 12/36:30 amLHR - MSO
2 stops20h 42mDelta
Deal found 8/12$638
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Sun 9/146:30 amMSO - LHR
2 stops20h 40mUnited Airlines
Fri 9/264:00 pmLHR - MSO
2 stops26h 50mUnited Airlines
Deal found 8/12$639
This KLM deal was found by Cheapflights users on 8/11. 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.
Thu 8/213:31 pmMSO - LHR
1 stop14h 39mKLM
Wed 8/2712:45 pmLHR - MSO
1 stop18h 04mKLM
Deal found 8/11$640

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 August 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

Tue 9/9

3:31 pm-1:10 pm

1 stop14h 39m

London Heathrow

Tue 9/16

11:30 am-11:46 pm

2 stops19h 16m

$582

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 11/26

8:00 am-7:05 am

1 stop16h 05m

London Heathrow

Wed 12/3

8:40 am-8:12 pm

2 stops18h 32m

$584

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Wed 10/29

1:07 pm-10:00 am

1 stop14h 53m

London Heathrow

Sat 11/8

6:20 am-5:40 pm

2 stops18h 20m

$632

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Mon 10/13

5:25 am-9:50 am

1 stop21h 25m

London Heathrow

Fri 12/5

8:40 am-8:12 pm

2 stops18h 32m

$633

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Sun 10/12

8:00 am-1:10 pm

1 stop22h 10m

London Heathrow

Fri 12/5

6:30 am-8:12 pm

2 stops20h 42m

$633

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Sun 9/14

6:30 am-12:20 pm

1 stop22h 50m

London Heathrow

Fri 9/26

4:00 pm-1:27 pm

2 stops28h 27m

$634

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Sat 9/13

4:17 pm-10:25 am

1 stop35h 08m

London Heathrow

Thu 9/25

5:40 pm-4:44 pm

2 stops30h 04m

$634

MissoulaLondon

MSO - LHR

MSOLHR

Missoula Johnson-Bell Field

Sat 9/13

4:17 pm-10:25 am

1 stop35h 08m

London Heathrow

Fri 9/26

4:00 pm-1:27 pm

2 stops28h 27m

$634

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

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.

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 August 14, 2025.
Peruse reviews from past customers who have flown with United Airlines from Missoula to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,916 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 is the cheapest airline to fly 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 $686 on this airline.

  • 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 $1,097). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dartford
Dover
Stratford-upon-Avon
Orpington
Watford
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Chelmsford
Southend-on-Sea
Folkestone
Chichester
Swindon

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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$686Average$857FlexibilityNo cancel feeOn-time69%

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