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Cheap flights from Portsmouth to Reykjavik from £141

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — REK
21 Jun — 28 Jun1
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 22 May 2026.

Tue 1/917:20
SOU
-
KEF
1 stop26h 40m
KLM
Tue 15/911:15
KEF
-
SOU
2 stops28h 35m
KLM
Deal found 20/5£312
Sat 6/606:45
SOU
-
KEF
1 stop26h 30m
Multiple Airlines
Sat 13/619:20
KEF
-
SOU
2 stops15h 45m
Multiple Airlines
Deal found 18/5£366
Fri 19/612:20
SOU
-
KEF
2 stops20h 30m
Multiple Airlines
Thu 25/609:00
KEF
-
SOU
2 stops23h 25m
Multiple Airlines
Deal found 19/5£374
Sat 4/718:50
SOU
-
KEF
1 stop6h 30m
Multiple Airlines
Mon 6/708:55
KEF
-
SOU
2 stops27h 00m
Multiple Airlines
Deal found 21/5£391

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 22 May 2026.

Round-trip from

£312

One-way from

£141

Popular in

July

Cheapest in

January

Average price

£208
KLM
  • KLM
  • 1/9-15/9
  • 3 total stops
  • 55h 15m total
  • Portsmouth to Reykjavik
Search Deals
19/8
  • 19/8
  • 1 total stop
  • 10h 10m total
  • Portsmouth to Reykjavik
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (£52 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 May 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 22 May 2026.
Use the filters below to find and compare flights from Portsmouth to Reykjavik that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Tue 1/9

17:20-19:00

1 stop26h 40m

Reykjavik Keflavik Intl

Tue 15/9

11:15-16:50

2 stops28h 35m

£312

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Sat 4/7

18:50-00:20

1 stop6h 30m

Reykjavik Keflavik Intl

Mon 6/7

08:55-12:55

2 stops27h 00m

£391

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Fri 19/6

19:55-07:50

1 stop12h 55m

Reykjavik Keflavik Intl

Thu 25/6

09:00-19:40

2 stops33h 40m

£405

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Sat 6/6

08:55-08:15

2 stops24h 20m

Reykjavik Keflavik Intl

Fri 12/6

00:45-08:35

3 stops30h 50m

£407
Fastest return journey

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Tue 1/9

17:20-10:25

2 stops18h 05m

Reykjavik Keflavik Intl

Tue 15/9

17:05-08:45

2 stops14h 40m

£478

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Wed 18/11

18:20-17:15

2 stops46h 55m

Reykjavik Keflavik Intl

Sun 22/11

17:55-09:25

2 stops39h 30m

£531
Cheapest one-way
Fastest single journey

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Wed 19/8

18:05-10:25

2 stops17h 20m

£196

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Wed 19/8

20:00-07:05

3 stops36h 05m

£208

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Wed 22/7

20:00-15:45

2 stops20h 45m

£209

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Sat 18/7

14:55-09:30

2 stops19h 35m

£392

Flights are sorted by cheapest return flights first.

Deals found on 17/5

Showing 1-10 of 12 resultsSorted by cheapest first
1
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 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 22 May 2026.

Unlike at midday, when flights are generally more expensive, you can save up to 27% 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 16 May 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. Monday 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 26h 40m. 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 (87%), Japan Airlines (85%) or Qatar Airways (84%) 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 £85. While the most popular route (Southampton Eastleigh - Reykjavik Keflavik Intl) can be booked for £312 on average, our data indicates £819 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.

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 22 May 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£54Average£118FlexibilityNo cancel feeOn-time86%
Search easyJet flights
IcelandairCheapest£119Average£275FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£125Average£241FlexibilityNo cancel feeOn-time70%
Search British Airways flights
PLAYCheapest£127Average£237FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
Scandinavian AirlinesCheapest£188Average£350FlexibilityNo 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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