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Cheap flights from Portsmouth to Reykjavik from £136

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 20/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — REK
21 Mar — 28 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Reykjavik

Enter your travel dates to find the best prices.

Cheapest flights from Portsmouth to Reykjavik
Explore the most affordable flight options available from Portsmouth to Reykjavik. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 February 2026.

Mon 27/418:20
SOU
-
KEF
1 stop14h 55m
Multiple Airlines
Thu 30/408:45
KEF
-
SOU
1 stop7h 55m
Multiple Airlines
Deal found 16/2£234
Thu 2/417:20
SOU
-
KEF
1 stop15h 10m
KLM
Thu 9/419:15
KEF
-
SOU
1 stop12h 20m
KLM
Deal found 16/2£325
Thu 2/406:50
SOU
-
KEF
1 stop9h 00m
Multiple Airlines
Thu 9/417:05
KEF
-
SOU
2 stops25h 25m
Multiple Airlines
Deal found 16/2£422
Sat 4/406:50
SOU
-
KEF
1 stop26h 25m
Multiple Airlines
Sat 11/407:45
KEF
-
SOU
2 stops23h 10m
Multiple Airlines
Deal found 18/2£462

Find flight deals from Portsmouth to Reykjavik

Keep the following information in mind while searching for Portsmouth to Reykjavik flight deals. Data was last updated 19 February 2026.

Round-trip from

£234

One-way from

£136

Popular in

July

Cheapest in

November

Average price

£154
27/4-30/4
  • 27/4-30/4
  • 2 total stops
  • 22h 50m total
  • Portsmouth to Reykjavik
Search Deals
20/6
  • 20/6
  • 1 total stop
  • 26h 25m total
  • Portsmouth to Reykjavik
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Reykjavik 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 19 February 2026.
Use the filters below to find and compare flights from Portsmouth to Reykjavik that are best for you.

Fly from

Portsmouth

Fly to

Reykjavik

Route

Depart

Return

Price

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Mon 27/4

18:20-08:15

1 stop14h 55m

Reykjavik Keflavik Intl

Thu 30/4

08:45-17:40

1 stop7h 55m

£234

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Thu 2/4

17:20-07:30

1 stop15h 10m

Reykjavik Keflavik Intl

Thu 9/4

19:15-08:35

1 stop12h 20m

£325

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Thu 2/4

06:50-14:50

1 stop9h 00m

Reykjavik Keflavik Intl

Thu 9/4

17:05-19:30

2 stops25h 25m

£422

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Sat 4/4

06:50-08:15

1 stop26h 25m

Reykjavik Keflavik Intl

Sat 11/4

07:45-07:55

2 stops23h 10m

£462

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Sat 20/6

06:50-08:15

1 stop26h 25m

£136

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Mon 27/4

15:15-09:55

2 stops19h 40m

£268

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Sat 20/6

10:15-09:30

2 stops24h 15m

£526

Flights are sorted by cheapest return flights first.

Deals found on 15/2

Best time to book a flight from Portsmouth to Reykjavik

Have a flexible travel schedule? Discover the best time to fly to Reykjavik from Portsmouth 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 Portsmouth to Reykjavik

What is the cheapest month to book a flight from Portsmouth to Reykjavik?

Currently, January is the cheapest month in which you can book a flight from Portsmouth to Reykjavik (average of £50). Flying from Portsmouth to Reykjavik in July is currently the most expensive (average of £182). 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 P0R to REK?

Find hourly flight availability from Portsmouth to Reykjavik. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 February 2026.

Unlike at midday, when flights are generally more expensive, you can save up to 31% on flights from Portsmouth to Reykjavik by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Portsmouth to Reykjavik?

Use this chart to determine the cheapest time to fly return from Portsmouth to Reykjavik. Price data was last updated on 17 February 2026.

Travellers seeking maximum savings on their Portsmouth to Reykjavik flight should consider departing on Thursday afternoons when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Reykjavik. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portsmouth to Reykjavik?

    KLM can get you from Portsmouth to Reykjavik in just under 15h 10m. Your travel time can differ by up to . The distance between Portsmouth and Reykjavik is about 1185 mi.

  • What are the most reliable airlines from Portsmouth to Reykjavik?

    No one likes to see their flight delayed. When booking a flight from Portsmouth to Reykjavik consider choosing TAP AIR PORTUGAL (97%), Icelandair (91%) or Emirates (91%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Portsmouth to Reykjavik?

    Looking at all options, your cheapest flight can be booked for £84. While the most popular route (Southampton Eastleigh - Reykjavik Keflavik Intl) can be booked for £234 on average, our data indicates £653 when flying from Portsmouth to Reykjavik.

  • Can I find deals for flights from Portsmouth to Reykjavik that include hotel bookings?

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

  • How can I find direct flights from Portsmouth to Reykjavik?

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

  • Can I find deals for business class flights from Portsmouth to Reykjavik?

    Yes. Cheapflights offers flight deals from Portsmouth to Reykjavik 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 Portsmouth to Reykjavik?

    Currently, January is the cheapest month in which you can book a flight from Portsmouth to Reykjavik (average of £50). Flying from Portsmouth to Reykjavik in July is currently the most expensive (average of £182). 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 Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Hveragerdi

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Portsmouth to Reykjavik

Discover the top 5 airlines that operate flights from Portsmouth to Reykjavik. 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 19 February 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£48Average£108FlexibilityNo cancel feeOn-time86%
Search easyJet flights
PLAYCheapest£98Average£235FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
British AirwaysCheapest£115Average£224FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£118Average£251FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Scandinavian AirlinesCheapest£134Average£255FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

Fly with Cheapflights

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 Portsmouth to Reykjavik?

When you search for this flight from Portsmouth to Reykjavik, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Reykjavik?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portsmouth to Reykjavik.

Can Cheapflights find flights from Portsmouth to Reykjavik with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portsmouth to Reykjavik, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Portsmouth to Reykjavik become cheaper?

Yes! Start tracking prices for Portsmouth to Reykjavik 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.

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