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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — MBA
2 Jan — 9 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Mombasa Moi Intl are usually found in May or September, booked 33 days in advance, depart on a Sunday or Tuesday and return on a Tuesday
Cheap flight deals from London to Mombasa
Enter your travel dates to find the best prices.
Cheapest flights from London to Mombasa
Explore the most affordable flight options available from London to Mombasa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 December 2025.
Sat 6/1220:30LHR - MBA
1 stop15h 05mRwandAir
Mon 22/1217:00MBA - LHR
1 stop16h 20mRwandAir
Deal found 1/12£599
Tue 9/1220:30LHR - MBA
2 stops15h 05mRwandAir
Wed 21/117:00MBA - LHR
2 stops16h 20mRwandAir
Deal found 30/11£600
Sat 6/1220:30LHR - MBA
2 stops15h 05mRwandAir
Sun 14/1217:00MBA - LHR
2 stops16h 20mRwandAir
Deal found 1/12£603
Tue 9/1207:30LGW - MBA
3 stops26h 55mMultiple Airlines
Sun 18/110:15MBA - LGW
3 stops40h 40mMultiple Airlines
Deal found 30/11£618
Thu 4/1210:00LGW - MBA
1 stop28h 50mEthiopian Air
Sun 21/1218:45MBA - LGW
1 stop13h 55mEthiopian Air
Deal found 2/12£619
Tue 9/1207:30LGW - MBA
3 stops26h 55mMultiple Airlines
Wed 21/108:45MBA - LGW
3 stops41h 55mMultiple Airlines
Deal found 30/11£622
Sat 6/1220:15LHR - MBA
1 stop18h 35mEthiopian Air
Mon 22/1218:45MBA - LHR
1 stop14h 50mEthiopian Air
Deal found 2/12£625
Sun 7/1220:15LHR - MBA
1 stop12h 25mEthiopian Air
Tue 23/1218:45MBA - LHR
1 stop14h 50mEthiopian Air
Deal found 2/12£631
Wed 31/1206:50LHR - MBA
3 stops25h 30mMultiple Airlines
Fri 16/114:50MBA - LHR
2 stops20h 55mMultiple Airlines
Deal found 2/12£641
Fri 5/1221:40LTN - MBA
2 stops17h 10mMultiple Airlines
Fri 12/1212:40MBA - LTN
2 stops22h 50mMultiple Airlines
Deal found 30/11£649
Thu 4/1220:30LHR - MBA
1 stop15h 05mRwandAir
Mon 23/217:00MBA - LHR
1 stop16h 20mRwandAir
Deal found 2/12£659
Thu 4/1210:00LGW - MBA
1 stop28h 50mEthiopian Air
Mon 19/118:45MBA - LGW
1 stop13h 55mEthiopian Air
Deal found 2/12£666
Best flights from London to Mombasa
Discover carefully curated flight deals from London to Mombasa that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 December 2025.
Sat 21/210:25LGW - MBA
1 stop11h 34mKenya Airways
Sun 8/321:00MBA - LGW
1 stop12h 25mKenya Airways
Deal found 3/12£557
Sat 21/220:30LHR - MBA
2 stops15h 05mRwandAir
Mon 9/317:00MBA - LHR
2 stops16h 20mRwandAir
Deal found 1/12£563
Mon 9/320:15LHR - MBA
1 stop12h 25mEthiopian Air
Wed 18/318:45MBA - LHR
1 stop14h 50mEthiopian Air
Deal found 1/12£565
Sat 21/217:05LGW - MBA
1 stop32h 30mTurkish Airlines
Sat 28/305:35MBA - LGW
1 stop13h 35mTurkish Airlines
Deal found 1/12£604
Mon 9/319:20LHR - MBA
2 stops19h 30mEtihad Airways
Thu 12/312:40MBA - LHR
2 stops32h 30mEtihad Airways
Deal found 1/12£607
Thu 22/113:30STN - MBA
3 stops26h 30mMultiple Airlines
Mon 26/104:50MBA - STN
3 stops20h 15mMultiple Airlines
Deal found 1/12£676
Sat 30/519:50LGW - MBA
2 stops34h 15mCondor
Wed 3/609:50MBA - LGW
1 stop25h 05mCondor
Deal found 30/11£692
Mon 9/307:45LCY - MBA
2 stops14h 14mKLM
Mon 16/312:10MBA - LCY
2 stops23h 00mKLM
Deal found 1/12£747
Sun 29/319:10LCY - MBA
1 stop32h 10mLufthansa
Sun 12/411:25MBA - LCY
1 stop33h 10mLufthansa
Deal found 2/12£766
Sun 29/319:20LCY - MBA
2 stops32h 00mSWISS
Sun 12/411:25MBA - LCY
2 stops22h 10mSWISS
Deal found 2/12£803
Thu 15/120:15STN - MBA
1 stop21h 15mEmirates
Thu 22/121:30MBA - STN
1 stop23h 25mEmirates
Deal found 1/12£857
Thu 5/310:20LGW - MBA
1 stop18h 25mKenya Airways
Sun 8/321:00MBA - LGW
1 stop12h 25mKenya Airways
Deal found 1/12£575
Mon 16/310:00LGW - MBA
1 stop22h 40mEthiopian Air
Mon 6/412:40MBA - LGW
1 stop19h 40mEthiopian Air
Deal found 2/12£588
Sat 21/220:30LHR - MBA
2 stops15h 05mRwandAir
Sun 8/317:00MBA - LHR
2 stops16h 20mRwandAir
Deal found 3/12£604
Thu 5/319:20LHR - MBA
2 stops43h 30mEtihad Airways
Thu 12/312:40MBA - LHR
2 stops32h 30mEtihad Airways
Deal found 1/12£607
Fri 6/217:05LGW - MBA
1 stop56h 30mTurkish Airlines
Mon 16/205:35MBA - LGW
1 stop13h 35mTurkish Airlines
Deal found 1/12£619
Sat 28/210:25LGW - MBA
1 stop19h 15mKenya Airways
Wed 11/315:30MBA - LGW
1 stop17h 50mKenya Airways
Deal found 1/12£583
Sun 8/320:15LHR - MBA
1 stop12h 25mEthiopian Air
Sat 14/318:45MBA - LHR
1 stop14h 50mEthiopian Air
Deal found 1/12£590
Sat 7/308:50LHR - MBA
2 stops30h 00mEtihad Airways
Thu 12/312:40MBA - LHR
2 stops32h 30mEtihad Airways
Deal found 1/12£607
Fri 6/212:50LTN - MBA
2 stops22h 40mMultiple Airlines
Mon 16/205:35MBA - LTN
1 stop20h 40mMultiple Airlines
Deal found 1/12£685
Tue 7/421:00LHR - MBA
1 stop12h 40mEthiopian Air
Sat 18/418:45MBA - LHR
1 stop14h 15mEthiopian Air
Deal found 1/12£602
Tue 3/313:55LHR - MBA
2 stops24h 55mEtihad Airways
Fri 6/312:40MBA - LHR
2 stops45h 00mEtihad Airways
Deal found 1/12£607
Fri 16/106:10STN - MBA
3 stops33h 50mMultiple Airlines
Thu 19/204:50MBA - STN
3 stops22h 15mMultiple Airlines
Deal found 2/12£700
Wed 4/309:50LCY - MBA
1 stop17h 40mLufthansa
Sun 15/312:25MBA - LCY
1 stop23h 50mLufthansa
Deal found 1/12£794
Wed 11/313:55LHR - MBA
2 stops24h 55mEtihad Airways
Fri 13/312:40MBA - LHR
2 stops45h 00mEtihad Airways
Deal found 1/12£607
Thu 5/310:20LGW - MBA
1 stop18h 25mKenya Airways
Fri 6/318:50MBA - LGW
1 stop14h 30mKenya Airways
Deal found 1/12£688
Sat 17/115:30STN - MBA
3 stops24h 30mMultiple Airlines
Fri 23/104:50MBA - STN
3 stops21h 15mMultiple Airlines
Deal found 2/12£705
Sun 8/310:00LGW - MBA
1 stop22h 40mEthiopian Air
Mon 16/312:40MBA - LGW
1 stop20h 00mEthiopian Air
Deal found 1/12£644
Sat 21/310:50STN - MBA
1 stop38h 45mTurkish Airlines
Fri 17/403:10MBA - STN
1 stop15h 40mTurkish Airlines
Deal found 2/12£797
Sun 8/320:05LCY - MBA
2 stops25h 54mKLM
Sun 15/321:00MBA - LCY
2 stops14h 10mKLM
Deal found 1/12£882
Last-minute flights from London to Mombasa
Discover last-minute flight deals from London to Mombasa. Data last updated 3 December 2025 and is based on user searches.
Sat 6/1220:30LHR - MBA
1 stop15h 05mRwandAir
Mon 22/1217:00MBA - LHR
1 stop16h 20mRwandAir
Deal found 1/12£599
Tue 9/1220:30LHR - MBA
2 stops15h 05mRwandAir
Wed 21/117:00MBA - LHR
2 stops16h 20mRwandAir
Deal found 30/11£600
Sun 4/120:30LHR - MBA
2 stops15h 05mRwandAir
Sun 1/217:00MBA - LHR
2 stops16h 20mRwandAir
Deal found 1/12£566
Tue 6/120:30LHR - MBA
2 stops15h 05mRwandAir
Wed 14/117:00MBA - LHR
2 stops16h 20mRwandAir
Deal found 1/12£587
Tue 6/120:30LHR - MBA
1 stop15h 05mRwandAir
Fri 6/217:00MBA - LHR
1 stop16h 20mRwandAir
Deal found 1/12£588
Thu 8/120:30LHR - MBA
2 stops15h 05mRwandAir
Mon 30/317:00MBA - LHR
2 stops16h 00mRwandAir
Deal found 1/12£563
Thu 8/120:30LHR - MBA
2 stops15h 05mRwandAir
Fri 27/317:00MBA - LHR
2 stops16h 20mRwandAir
Deal found 1/12£603
Sat 10/110:25LGW - MBA
1 stop11h 34mKenya Airways
Sun 25/121:00MBA - LGW
1 stop12h 25mKenya Airways
Deal found 1/12£602
Tue 13/120:15LHR - MBA
1 stop18h 35mEthiopian Air
Wed 13/518:45MBA - LHR
1 stop16h 20mEthiopian Air
Deal found 2/12£550
Tue 13/120:30LHR - MBA
2 stops15h 05mRwandAir
Mon 30/317:00MBA - LHR
2 stops16h 00mRwandAir
Deal found 1/12£589
Thu 22/117:25LHR - MBA
1 stop12h 15mKenya Airways
Tue 27/120:00MBA - LHR
1 stop22h 30mKenya Airways
Deal found 1/12£578
Thu 22/120:55LHR - MBA
2 stops41h 55mEtihad Airways
Tue 27/112:40MBA - LHR
2 stops28h 50mEtihad Airways
Deal found 1/12£586
One-way flights from London to Mombasa
Search for one-way flight options from London to Mombasa. Find affordable one-way fares based on user searches. Data last updated 3 December 2025.
Thu 15/110:45STN - MBA
3 stops43h 45mMultiple Airlines
Deal found 2/12£288
Thu 8/107:40LTN - MBA
3 stops50h 20mMultiple Airlines
Deal found 2/12£293
Sat 10/108:25LGW - MBA
3 stops54h 25mMultiple Airlines
Deal found 2/12£295
Fri 16/116:35LGW - MBA
3 stops43h 35mMultiple Airlines
Deal found 1/12£303
Fri 16/106:10STN - MBA
3 stops49h 30mMultiple Airlines
Deal found 1/12£308
Fri 16/120:50LTN - MBA
3 stops39h 20mMultiple Airlines
Deal found 1/12£310
Sat 10/122:10STN - MBA
3 stops33h 30mMultiple Airlines
Deal found 30/11£311
Fri 9/107:30STN - MBA
3 stops28h 40mMultiple Airlines
Deal found 30/11£316
Thu 8/110:45STN - MBA
3 stops47h 15mMultiple Airlines
Deal found 2/12£318
Fri 9/113:25LTN - MBA
3 stops44h 35mMultiple Airlines
Deal found 2/12£323
Thu 15/107:40LTN - MBA
2 stops33h 50mMultiple Airlines
Deal found 2/12£326
Thu 15/113:50LGW - MBA
3 stops21h 45mMultiple Airlines
Deal found 2/12£339
Find flight deals from London to Mombasa
Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Mombasa (MBA). 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 3 December 2025.
Customise your flight search to find flights from London to Mombasa 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 3 December 2025.
Use the filters below to find and compare flights from London to Mombasa that are best for you.
Fly from
London
Fly to
Mombasa
Route
Depart
Return
Price
LondonMombasa
LGW - MBA
LGWMBA
London Gatwick
Sat 21/2
10:25-00:59
1 stop11h 34m
Mombasa Moi Intl
Sun 8/3
21:00-06:25
1 stop12h 25m
£557
LondonMombasa
LHR - MBA
LHRMBA
London Heathrow
Sat 21/2
20:30-14:35
2 stops15h 05m
Mombasa Moi Intl
Mon 9/3
17:00-06:20
2 stops16h 20m
£563
LondonMombasa
LHR - MBA
LHRMBA
London Heathrow
Mon 9/3
20:15-11:40
1 stop12h 25m
Mombasa Moi Intl
Wed 18/3
18:45-06:35
1 stop14h 50m
£565
LondonMombasa
LGW - MBA
LGWMBA
London Gatwick
Thu 5/3
10:20-07:45
1 stop18h 25m
Mombasa Moi Intl
Sun 8/3
21:00-06:25
1 stop12h 25m
£575
LondonMombasa
LGW - MBA
LGWMBA
London Gatwick
Sat 28/2
10:25-08:40
1 stop19h 15m
Mombasa Moi Intl
Wed 11/3
15:30-06:20
1 stop17h 50m
£583
LondonMombasa
LGW - MBA
LGWMBA
London Gatwick
Mon 16/3
10:00-11:40
1 stop22h 40m
Mombasa Moi Intl
Mon 6/4
12:40-06:20
1 stop19h 40m
£588
LondonMombasa
LHR - MBA
LHRMBA
London Heathrow
Sun 8/3
20:15-11:40
1 stop12h 25m
Mombasa Moi Intl
Sat 14/3
18:45-06:35
1 stop14h 50m
£590
LondonMombasa
LHR - MBA
LHRMBA
London Heathrow
Tue 7/4
21:00-11:40
1 stop12h 40m
Mombasa Moi Intl
Sat 18/4
18:45-07:00
1 stop14h 15m
£602
LondonMombasa
LGW - MBA
LGWMBA
London Gatwick
Sat 21/2
17:05-04:35
1 stop32h 30m
Mombasa Moi Intl
Sat 28/3
05:35-16:10
1 stop13h 35m
£604
LondonMombasa
LHR - MBA
LHRMBA
London Heathrow
Sat 21/2
20:30-14:35
2 stops15h 05m
Mombasa Moi Intl
Sun 8/3
17:00-06:20
2 stops16h 20m
£604
Flights are sorted by cheapest return flights first.
Deals found on 2/12
Showing 1-10 of 60 results
1
2
3
...
6
Best time to book a flight from London to Mombasa
Have a flexible travel schedule? Discover the best time to fly to Mombasa 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 Mombasa
How far ahead should I book a flight from London to Mombasa?
Use this chart to determine the optimal time to book a return flight from London to Mombasa. Price data was last updated on 28 November 2025.
The price you pay for your flight from London to Mombasa may vary depending on when you book. For the best chance of a lower fare, look to book 33 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from London to Mombasa?
Currently, July is the cheapest month in which you can book a flight from London to Mombasa (average of £393). Flying from London to Mombasa in June is currently the most expensive (average of £540). 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 is the cheapest time of day to fly from LON to MBA?
Find hourly flight availability from London to Mombasa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 December 2025.
It’s optimal to fly from London to Mombasa in the morning. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the evening.
What is the cheapest day to fly from London to Mombasa?
Use this chart to determine the cheapest time to fly return from London to Mombasa. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their London to Mombasa flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost for a return flight from London to Mombasa?
What’s the top stopover airport for flights from London to Mombasa?
Share of one-stop return flights from London to Mombasa chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Nairobi (NBO) – chosen by Cheapflights users on 52% of one-stop itineraries from London to Mombasa on Cheapflights.
What’s the cheapest stopover airport for flights from London to Mombasa?
Average return fare for one-stop flights from London to Mombasa, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Kigali (KGL) is the most affordable one-stop option, with an average return flight price of £598.
What’s the fastest stopover option from London to Mombasa?
Shortest average travel time for one-stop one-way flights from London to Mombasa, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Nairobi (NBO) have the shortest average one-way travel time for one-stop routes: 12h 50m.
Which airport typically offers the quickest stopover for flights from London to Mombasa?
Average stopover duration for one-stop one-way flights from London to Mombasa, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Kigali (KGL) offer the fastest connection on this route, with an average stopover time of 2h 35m.
Reviews of airlines servicing Mombasa
Get insights into the airlines that provide service to Mombasa. 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 Mombasa. Reviews last updated 3 December 2025.
See what other customers who have flown with RwandAir, Ethiopian Air, andKenya Airways from London to Mombasa have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
The price of tickets mentioned in your system is not the price charged. You chargeg higher than that on online
Related info for your journey
Find useful and relevant information for your journey from London to Mombasa. 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 Mombasa from London?
For a flight from London to Mombasa, you will be flying into Moi Intl. Mombasa Moi Intl (MBA) is just 5.0 mi from the center of the city. Moi Intl is the only Mombasa airport and it handles 0 inbound flights from London per day. 8 airlines have flights to Mombasa Moi Intl from London on a regular basis.
How long is the flight from London to Mombasa?
Airlines like Kenya Airways, RwandAir, and Ethiopian Air fly from London to Mombasa in about 11h 34m. The time it takes to get you to your destination can typically vary by up to 3h 31m. London and Mombasa are separated by a distance of 4473 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from London to Mombasa round-trip?
Cheapflights users have booked flights from London to Mombasa round-trip from £393. Other airlines that can offer you cheap pricing are RwandAir, from £419, and Kenya Airways, from £471. Ethiopian Air is currently priced 41% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from London to Mombasa one-way?
The cheapet airlines for a one-way flight from London to Mombasa are Kenya Airways (£309), Ethiopian Air (£374), and British Airways (£572).
What are the most popular routes from London to Mombasa?
When deciding which route to take from London to Mombasa consider London Heathrow - Mombasa Moi Intl, London Gatwick - Mombasa Moi Intl or London Stansted - Mombasa Moi Intl as they are the most popular.
Where are the most common stopover locations when flying from London to Mombasa?
Of the flights from London to Mombasa that have stopovers, most of them stop in Nairobi. Addis Ababa follows Nairobi in terms of the most common stopover location on London to Mombasa flights.
Where are the least popular stopover locations for London to Mombasa flights?
Flights departing from London and landing in Mombasa stopover in Frankfurt am Main least frequently.
Can I find deals for flights from London to Mombasa that include hotel bookings?
Yes. In addition to deals on London to Mombasa flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Mombasa?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Mombasa.
Can I find deals for business class flights from London to Mombasa?
Yes. Cheapflights offers flight deals from London to Mombasa 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 Mombasa?
Currently, July is the cheapest month in which you can book a flight from London to Mombasa (average of £393). Flying from London to Mombasa in June is currently the most expensive (average of £540). 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.
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.
Fly from London to Mombasa on these airlines
Choose from the following airlines for your flight from London to Mombasa. Flights are based on user searches made on Cheapflights and were last updated on 3 December 2025.
Explore flights to Mombasa departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 3 December 2025.
Discover the top 8 airlines that operate flights from London to Mombasa. 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 3 December 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from London to Mombasa?
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 Mombasa from London today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from London to Mombasa?
Cheapflights helps you find that perfect flight to Mombasa from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from London to Mombasa with no change fees?
Certainly. Search results for flights to Mombasa from London 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 London to Mombasa become cheaper?
Yes! Start tracking prices for London to Mombasa flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.
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.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.