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Cheap flights from London Heathrow Airport to Mongolia from £374

LHR — UBN
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Mongolia

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Mongolia

Thu 19/1106:40 -
2 stops24h 25m
Thu 3/1211:50 -
1 stop36h 05m
Deal found 7/11£642
Fri 20/1120:25 -
1 stop34h 40m
Thu 17/1216:10 -
1 stop33h 40m
Deal found 4/11£669
Wed 16/1218:20 -
2 stops27h 10m
Tue 22/1216:10 -
1 stop33h 40m
Deal found 7/11£716
Wed 11/1120:25 -
1 stop30h 15m
Mon 16/1111:50 -
1 stop36h 05m
Deal found 3/11£720
Wed 11/1122:15 -
2 stops23h 15m
Mon 16/1108:15 -
2 stops66h 10m
Deal found 3/11£764

Find flight deals from Heathrow to Mongolia

Round-trip from

£642

One-way from

£374

Popular in

July

Cheapest in

September

Average price

£749
Air China
  • Air China
  • 19/11-3/12
  • 3 total stops
  • 60h 30m total
  • London to Mongolia
Search Deals
21/1-31/12
  • 21/1-31/12
  • 2 total stops
  • 29h 05m total
  • London to Mongolia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£77 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Mongolia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonUlaanbaatar

LHR London Heathrow - UBN Ulaanbaatar Chinggis Khaan

LHRUBN

London Heathrow

Thu 21/1

18:20-07:25

2 stops29h 05m

Ulaanbaatar Chinggis Khaan

Wed 31/12

00:00-18:00

Nonstop0h 00m

£374

LondonUlaanbaatar

LHR London Heathrow - UBN Ulaanbaatar Chinggis Khaan

LHRUBN

London Heathrow

Mon 11/1

06:40-15:05

2 stops24h 25m

Ulaanbaatar Chinggis Khaan

Wed 31/12

00:00-18:00

Nonstop0h 00m

£417
Fastest return journey

LondonUlaanbaatar

LHR London Heathrow - UBN Ulaanbaatar Chinggis Khaan

LHRUBN

London Heathrow

Sun 15/11

17:45-15:05

1 stop13h 20m

Ulaanbaatar Chinggis Khaan

Wed 31/12

00:00-18:00

Nonstop0h 00m

£422

LondonUlaanbaatar

LHR London Heathrow - UBN Ulaanbaatar Chinggis Khaan

LHRUBN

London Heathrow

Mon 23/11

17:45-10:40

1 stop32h 55m

Ulaanbaatar Chinggis Khaan

Wed 31/12

00:00-18:00

Nonstop0h 00m

£422

LondonUlaanbaatar

LHR London Heathrow - UBN Ulaanbaatar Chinggis Khaan

LHRUBN

London Heathrow

Mon 18/1

17:45-10:40

1 stop32h 55m

Ulaanbaatar Chinggis Khaan

Wed 31/12

00:00-18:00

Nonstop0h 00m

£451

LondonUlaanbaatar

LHR London Heathrow - UBN Ulaanbaatar Chinggis Khaan

LHRUBN

London Heathrow

Mon 23/11

13:20-05:05

3 stops31h 45m

Ulaanbaatar Chinggis Khaan

Wed 31/12

00:00-18:00

Nonstop0h 00m

£457

LondonUlaanbaatar

LHR London Heathrow - UBN Ulaanbaatar Chinggis Khaan

LHRUBN

London Heathrow

Sun 15/11

16:35-07:25

2 stops30h 50m

Ulaanbaatar Chinggis Khaan

Wed 31/12

00:00-18:00

Nonstop0h 00m

£496

LondonUlaanbaatar

LHR London Heathrow - UBN Ulaanbaatar Chinggis Khaan

LHRUBN

London Heathrow

Thu 19/11

06:40-15:05

2 stops24h 25m

Ulaanbaatar Chinggis Khaan

Thu 3/12

11:50-15:55

1 stop36h 05m

£642

LondonUlaanbaatar

LHR London Heathrow - UBN Ulaanbaatar Chinggis Khaan

LHRUBN

London Heathrow

Mon 18/1

06:40-23:05

3 stops32h 25m

Ulaanbaatar Chinggis Khaan

Wed 31/12

00:00-18:00

Nonstop0h 00m

£681

LondonUlaanbaatar

LHR London Heathrow - UBN Ulaanbaatar Chinggis Khaan

LHRUBN

London Heathrow

Sat 30/1

18:20-05:30

2 stops27h 10m

Ulaanbaatar Chinggis Khaan

Sun 7/2

10:15-22:00

2 stops19h 45m

£693

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Mongolia

Have a flexible travel schedule? Discover the best time to fly to Mongolia from Heathrow with our price prediction graph.
Estimated return price

Cheapflights Insights

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

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Mongolia

Get a feel of what it's like to fly with Air China and Turkish Airlines from London Heathrow Airport to Mongolia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air China
7.5
Good
168 reviews
Check prices

Boarding

7.8

Crew

8.1

Food

7.3

Comfort

7.2

Entertainment

6.6

Overall

7.5

Reviews

1 / 7
2.0
Mediocre

guoliang,May 2026

PEK - LAX

Kayak does not have service in china thus no reminder email or even access to the kayak account to see the itinerary.. missed the flight.. also air china app requires a local phone number to register.. yep.. they consider themself international airliner but does not allow anyone outside china to use the app.
Air China
7.5
Good
168 reviews
Air China
7.5
Good
168 reviews
Check prices

Boarding

7.8

Crew

8.1

Food

7.3

Comfort

7.2

Entertainment

6.6

Overall

7.5

Reviews

1 / 7
2.0
Mediocre

guoliang,May 2026

PEK - LAX

Kayak does not have service in china thus no reminder email or even access to the kayak account to see the itinerary.. missed the flight.. also air china app requires a local phone number to register.. yep.. they consider themself international airliner but does not allow anyone outside china to use the app.
Turkish Airlines
7.4
Good
4,467 reviews
Air China
7.5
Good
168 reviews
Check prices

Boarding

7.8

Crew

8.1

Food

7.3

Comfort

7.2

Entertainment

6.6

Overall

7.5

Reviews

1 / 7
2.0
Mediocre

guoliang,May 2026

PEK - LAX

Kayak does not have service in china thus no reminder email or even access to the kayak account to see the itinerary.. missed the flight.. also air china app requires a local phone number to register.. yep.. they consider themself international airliner but does not allow anyone outside china to use the app.

Related info for your journey

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

    £337 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Icelandair and Virgin Atlantic, with prices starting from £341 and £364, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Mongolia 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Heathrow to Mongolia

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Top 2 airlines flying from Heathrow to Mongolia

AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£423Average£999FlexibilityNo cancel feeOn-time67%
Search Air China flights
Turkish AirlinesCheapest£666Average£1,182FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

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Cheapflights helps you search for flights from Heathrow to Mongolia via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Mongolia for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Mongolia from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Heathrow to Mongolia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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