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Cheap flights from London to Mostar from £126

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — OMO
28 Mar — 4 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Mostar

Enter your travel dates to find the best prices.

Cheapest flights from London to Mostar
Explore the most affordable flight options available from London to Mostar. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 February 2026.

Thu 5/307:40
LHR
-
OMO
2 stops15h 20m
Multiple Airlines
Mon 9/306:00
OMO
-
LHR
2 stops10h 50m
Multiple Airlines
Deal found 22/2£246
Thu 23/414:05
LHR
-
OMO
1 stop8h 54m
Multiple Airlines
Sun 26/415:10
OMO
-
LHR
1 stop22h 20m
Multiple Airlines
Deal found 24/2£266
Mon 13/420:05
LHR
-
OMO
2 stops39h 40m
Multiple Airlines
Fri 17/406:00
OMO
-
LHR
2 stops17h 10m
Multiple Airlines
Deal found 25/2£277
Thu 5/313:30
LHR
-
OMO
2 stops9h 30m
Croatia Airlines
Mon 9/306:00
OMO
-
LHR
1 stop11h 05m
Croatia Airlines
Deal found 22/2£282
Tue 31/306:55
LHR
-
OMO
2 stops28h 50m
Multiple Airlines
Sun 5/415:10
OMO
-
LHR
1 stop22h 20m
Multiple Airlines
Deal found 24/2£323
Fri 24/720:00
LHR
-
OMO
1 stop11h 35m
Eurowings
Tue 11/809:05
OMO
-
LHR
1 stop6h 00m
Eurowings
Deal found 22/2£342
Thu 23/713:40
LHR
-
OMO
2 stops9h 20m
Multiple Airlines
Tue 11/809:05
OMO
-
LHR
1 stop6h 00m
Multiple Airlines
Deal found 22/2£351
Fri 24/720:00
LHR
-
OMO
1 stop11h 35m
Multiple Airlines
Wed 12/813:20
OMO
-
LHR
1 stop3h 50m
Multiple Airlines
Deal found 22/2£354
Mon 13/419:00
LCY
-
OMO
2 stops40h 35m
Multiple Airlines
Fri 17/406:00
OMO
-
LCY
2 stops12h 55m
Multiple Airlines
Deal found 25/2£387
Tue 31/309:15
LCY
-
OMO
2 stops26h 30m
Multiple Airlines
Sun 5/415:10
OMO
-
LCY
2 stops19h 00m
Multiple Airlines
Deal found 24/2£1,199
Wed 1/409:15
LCY
-
OMO
2 stops37h 45m
Multiple Airlines
Sun 5/415:10
OMO
-
LCY
2 stops19h 00m
Multiple Airlines
Deal found 24/2£1,214
Thu 23/420:15
LCY
-
OMO
2 stops17h 10m
Multiple Airlines
Sun 26/415:10
OMO
-
LCY
2 stops19h 20m
Multiple Airlines
Deal found 24/2£2,387

Find flight deals from London to Mostar

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Mostar (OMO). 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 26 February 2026.

Round-trip from

£266

One-way from

£126
Air Serbia
  • Air Serbia
  • 23/4-26/4
  • 2 total stops
  • 31h 14m total
  • London to Mostar
Search Deals
14/5
  • 14/5
  • 2 total stops
  • 16h 35m total
  • London to Mostar
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Mostar 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 858,174 searches. Data last updated 26 February 2026.
Use the filters below to find and compare flights from London to Mostar that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonMostar

LHR - OMO

LHROMO

London Heathrow

Thu 23/4

14:05-23:59

1 stop8h 54m

Mostar

Sun 26/4

15:10-12:30

1 stop22h 20m

£266

LondonMostar

LHR - OMO

LHROMO

London Heathrow

Mon 13/4

20:05-12:45

2 stops39h 40m

Mostar

Fri 17/4

06:00-22:10

2 stops17h 10m

£277

LondonMostar

LHR - OMO

LHROMO

London Heathrow

Thu 23/7

13:40-00:00

2 stops9h 20m

Mostar

Tue 11/8

09:05-14:05

1 stop6h 00m

£351

LondonMostar

LHR - OMO

LHROMO

London Heathrow

Wed 29/7

06:00-12:45

2 stops5h 45m

Mostar

Sat 8/8

08:55-16:25

1 stop8h 30m

£357

LondonMostar

LHR - OMO

LHROMO

London Heathrow

Wed 29/7

06:00-12:45

2 stops5h 45m

Mostar

Tue 11/8

09:05-18:50

1 stop10h 45m

£366

LondonMostar

LHR - OMO

LHROMO

London Heathrow

Wed 1/4

08:40-23:59

3 stops38h 19m

Mostar

Sun 5/4

15:10-12:30

1 stop22h 20m

£377

LondonMostar

LHR - OMO

LHROMO

London Heathrow

Tue 24/3

07:40-14:50

2 stops6h 10m

Mostar

Wed 1/4

13:10-16:10

1 stop4h 00m

£386

LondonMostar

LCY - OMO

LCYOMO

London City

Mon 13/4

19:00-12:35

2 stops40h 35m

Mostar

Fri 17/4

06:00-17:55

2 stops12h 55m

£387

LondonMostar

LHR - OMO

LHROMO

London Heathrow

Thu 26/3

08:40-23:59

2 stops14h 19m

Mostar

Fri 3/4

15:10-12:30

1 stop22h 20m

£398

LondonMostar

LHR - OMO

LHROMO

London Heathrow

Mon 27/7

19:35-08:20

1 stop11h 45m

Mostar

Tue 11/8

09:15-13:50

1 stop5h 35m

£540

Flights are sorted by cheapest return flights first.

Deals found on 23/2

Showing 1-10 of 26 resultsSorted by cheapest first
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Best time to book a flight from London to Mostar

Have a flexible travel schedule? Discover the best time to fly to Mostar from London 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 to Mostar

What is the cheapest month to book a flight from London to Mostar?

Currently, December is the cheapest month in which you can book a flight from London to Mostar (average of £28). Flying from London to Mostar in March is currently the most expensive (average of £161). 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.

What’s the top stopover airport for flights from London to Mostar?

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

Vienna (VIE) – chosen by Cheapflights users on 67% of one-stop itineraries from London to Mostar on Cheapflights.

What’s the cheapest stopover airport for flights from London to Mostar?

Average return fare for one-stop flights from London to Mostar, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Vienna (VIE) is the most affordable one-stop option, with an average return flight price of £192.

What’s the fastest stopover option from London to Mostar?

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

Flights via Vienna (VIE) have the shortest average one-way travel time for one-stop routes: 6h 55m.

Which airport typically offers the quickest stopover for flights from London to Mostar?

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

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average stopover time of 3h 45m.

Related info for your journey

Find useful and relevant information for your journey from London to Mostar. 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 Mostar from London?

    For a flight from London to Mostar, you will be flying into Mostar. Mostar (OMO) is just 4.6 mi from the center of the city. Mostar is the only Mostar airport and it handles 0 inbound flights from London per day. 0 airlines have flights to Mostar from London on a regular basis.

  • Can I find deals for flights from London to Mostar that include hotel bookings?

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

  • How can I find direct flights from London to Mostar?

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

  • Can I find deals for business class flights from London to Mostar?

    Yes. Cheapflights offers flight deals from London to Mostar 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 London to Mostar?

    Currently, December is the cheapest month in which you can book a flight from London to Mostar (average of £28). Flying from London to Mostar in March is currently the most expensive (average of £161). 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

Travelling to a place near Mostar?

Book flights to Mostar if you plan to visit one of these locations
Medjugorje

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Can Cheapflights find flights from London to Mostar with no change fees?

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

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Not ready to book yet? You can track prices for flights from London to Mostar on Cheapflights with our Price Alert feature and get notified when better prices are available.

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