$530 Cheap Flights from Helena (HLN) to Reykjavik (KEF)

View $530 flight on Tue, Aug 25, 2026Opens in a new window

Popular airlines from Helena, MT (HLN-Helena Regional) to Reykjavik–Keflavik Intl. Airport (KEF)

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Cheap Flights from Helena to Reykjavik (HLN-KEF)

Prices were available within the past 7 days and start at $530 for one-way flights and $767 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Mar 30 - Wed, Apr 8
HLN
Helena
KEF
Reykjavik
$767 Roundtrip, found 6 days ago
$767
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Mar 30 from Helena to Reykjavik, returning Wed, Apr 8, priced at $767 found 6 days ago
Delta
Wed, Apr 1 - Wed, Apr 8
HLN
Helena
KEF
Reykjavik
$778 Roundtrip, found 6 days ago
$778
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Apr 1 from Helena to Reykjavik, returning Wed, Apr 8, priced at $778 found 6 days ago
Delta
Tue, Mar 31 - Tue, Apr 7
HLN
Helena
KEF
Reykjavik
$782 Roundtrip, found 6 days ago
$782
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Mar 31 from Helena to Reykjavik, returning Tue, Apr 7, priced at $782 found 6 days ago
Delta
Wed, Apr 1 - Tue, Apr 7
HLN
Helena
KEF
Reykjavik
$792 Roundtrip, found 6 days ago
$792
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Apr 1 from Helena to Reykjavik, returning Tue, Apr 7, priced at $792 found 6 days ago
Delta
Mon, Mar 30 - Mon, Apr 6
HLN
Helena
KEF
Reykjavik
$817 Roundtrip, found 6 days ago
$817
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Mar 30 from Helena to Reykjavik, returning Mon, Apr 6, priced at $817 found 6 days ago
Delta
Tue, Mar 31 - Mon, Apr 6
HLN
Helena
KEF
Reykjavik
$822 Roundtrip, found 6 days ago
$822
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Mar 31 from Helena to Reykjavik, returning Mon, Apr 6, priced at $822 found 6 days ago
United
Tue, Mar 31 - Thu, Apr 9
HLN
Helena
KEF
Reykjavik
$839 Roundtrip, found 5 days ago
$839
Roundtrip
found 5 days ago
Select United flight, departing Tue, Mar 31 from Helena to Reykjavik, returning Thu, Apr 9, priced at $839 found 5 days ago
Virgin Atlantic
Sat, Aug 29 - Wed, Sep 9
HLN
Helena
KEF
Reykjavik
$878 Roundtrip, found 3 days ago
$878
Roundtrip
found 3 days ago
Select Virgin Atlantic flight, departing Sat, Aug 29 from Helena to Reykjavik, returning Wed, Sep 9, priced at $878 found 3 days ago
Air France
Tue, Aug 25 - Mon, Aug 31
HLN
Helena
KEF
Reykjavik
$1,108 Roundtrip, found 2 days ago
$1,108
Roundtrip
found 2 days ago
Select Air France flight, departing Tue, Aug 25 from Helena to Reykjavik, returning Mon, Aug 31, priced at $1,108 found 2 days ago
Alaska Airlines
Tue, Aug 25 - Mon, Aug 31
HLN
Helena
KEF
Reykjavik
$1,155 Roundtrip, found 2 days ago
$1,155
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Aug 25 from Helena to Reykjavik, returning Mon, Aug 31, priced at $1,155 found 2 days ago

Alternative airports near Reykjavik

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Keflavik Intl. KEF. Cheapest option available. Average driving time to city center is 45 minutes. Flights from $1,342
KEF
Keflavik Intl.
Cheapest
Average driving time to city center45 min
Flights from $1,342

Frequently asked questions

How much does a flight from Helena Regional Airport (HLN) to Keflavik Intl. Airport (KEF) cost?
Lock in a cheap one-way flight from $530 or cheap return flight from $767 from Helena Regional Airport (HLN) to Keflavik Intl. Airport (KEF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Helena Regional Airport (HLN) to Keflavik Intl. Airport (KEF)?
The cheapest month to fly from HLN to KEF is March, when demand is low. Off-peak season is typically when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Helena Regional Airport (HLN) to Keflavik Intl. Airport (KEF)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from HLN to KEF. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Helena Regional Airport (HLN) to Keflavik Intl. Airport (KEF)?
There are no daily direct flights from Helena Regional Airport (HLN) to Keflavik Intl. Airport (KEF). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from HLN to KEF?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Helena Regional Airport (HLN) to Keflavik Intl. Airport (KEF)?
To avoid possible delays on the Helena Regional Airport (HLN) to Keflavik Intl. Airport (KEF) route, fly before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Helena Regional Airport (HLN) to Keflavik Intl. Airport (KEF) last-minute?
Holding off until just before your departure to book a flight from HLN to KEF generally means paying more. While you may come across some last-minute deals, they aren't always guaranteed. Keep your travel schedule open for the best chance of snagging a bargain.
Is it cheaper to book a HLN to KEF flight and hotel package?
You can save money by booking a HLN to KEF flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your preferred accommodations and flights, consider adding extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Helena Regional Airport (HLN) to Keflavik Intl. Airport (KEF)?
Generally, it's possible to cancel or reschedule your HLN to KEF flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Helena Regional
Destination airport
Keflavik Intl.
Roundtrip price
$767
Distance
3383 mi

Book with confidence

Helena to Reykjavik Flights

The cheapest times to fly from Helena to Reykjavik

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Helena to Reykjavik are during the month of March. You can find some of the cheapest flights from Helena to Reykjavik with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Helena to Reykjavik

Sunday is one of the best days to book for cheap flights from Helena to Reykjavik: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Helena to Reykjavik

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Helena to Reykjavik in 2026. You can also book with separate airlines for your outbound and return journeys, from $530 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Helena to Reykjavik flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Helena to Reykjavik airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Helena to Reykjavik Flights

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*Available to One Key members.