BIL - KEF

$604 Find Cheap Flights from Billings to Reykjavik - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$979
Typical prices: $1,143-$1,428
Multiple Airlines
Mon 3/5Mon 3/12
BIL - KEF • 1 stop
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We hope you love your trip to Reykjavik Keflavik Intl Airport!
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Flight Deals

Cheap Flights from Billings to Keflavik Intl (BIL-KEF)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Billings to Keflavik Intl

Fri, Mar 5 - Fri, Mar 12
Multiple Airlines Logo
6:00 am - 6:15 amBIL  Billings Logan Intl-KEF Reykjavik Keflavik Intl
17h 15m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
5:00 pm - 11:59 pmKEF  Reykjavik Keflavik Intl-BIL Billings Logan Intl
13h 59m1 stop Seattle/Tacoma Intl
$979Multiple Airlines
Fri, Mar 5 - Fri, Mar 12
American Airlines Logo
7:00 am - 3:05 pmBIL  Billings Logan Intl-KEF Reykjavik Keflavik Intl
25h 05m2 stops Dallas/Fort Worth London Heathrow
American Airlines Logo
6:10 pm - 8:52 pmKEF  Reykjavik Keflavik Intl-BIL Billings Logan Intl
33h 42m2 stops London Heathrow Dallas/Fort Worth
$1,051American Airlines
Fri, Mar 5 - Fri, Mar 12
Alaska Airlines Logo
2:03 pm - 6:15 amBIL  Billings Logan Intl-KEF Reykjavik Keflavik Intl
33h 12m2 stops Seattle/Tacoma Intl Portland
Alaska Airlines Logo
5:00 pm - 11:59 pmKEF  Reykjavik Keflavik Intl-BIL Billings Logan Intl
13h 59m1 stop Seattle/Tacoma Intl
$1,091Alaska Airlines
Booking Insights

Price, demand and travel trends for Billings to Reykjavik Keflavik Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Which airline is the cheapest to fly from Billings to Reykjavik Keflavik Intl Airport?

American Airlines ($1,051) and Alaska Airlines ($1,091) are the cheapest airlines to fly round-trip from Billings to Reykjavik Keflavik Intl Airport according to KAYAK data over the last 5 days.

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Key details for Billings to Reykjavik Keflavik Intl Airport flights

Cheapest flight

$979
Round-trip flight from Billings to Reykjavik Keflavik Intl Airport

When to book flights from Billings to Keflavik Intl

Are your dates flexible? Find out the best times to travel from Billings to Keflavik Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Billings to Reykjavik Keflavik Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Billings to Reykjavik Keflavik Intl Airport?

    Only Economy Class is available on flights from Billings to Reykjavik Keflavik Intl Airport.

  • Do I need a passport to fly from Billings to Reykjavik Keflavik Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Billings to Reykjavik Keflavik Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $979 to $1,091. That means the highest observed fare was about 11% higher than the lowest one.

  • What car rental options are available at Reykjavik Keflavik Intl Airport (KEF)?

    Reykjavik Keflavik Intl Airport (KEF) hosts 5 major car rental companies, with daily rates averaging $63 for economy cars. Top options include:

    • Ice Rental 4x4
    • Fair Car
    • Budget
    • Alamo
    • Europcar

  • Which airports can I use when flying from Billings to Reykjavik Keflavik Intl Airport?

    Flights from Billings to Reykjavik Keflavik Intl Airport usually depart from Billings Logan Intl (BIL) and arrive at Reykjavik Keflavik Intl (KEF).

  • Which airports do connecting flights from Billings to Reykjavik Keflavik Intl Airport pass through?

    Most connecting flights from Billings to Reykjavik Keflavik Intl Airport pass through Seattle/Tacoma Intl (SEA), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Billings to Reykjavik Keflavik Intl Airport?

    Yes. Flexible dates can save you up to 61% on flights from Billings to Reykjavik Keflavik Intl Airport. Tuesday is the cheapest departure day at $762 round-trip on average, while Saturday is the most expensive at $1,932, a difference of $1,170.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Billings and Reykjavik Keflavik Intl Airport?

    Reykjavik Keflavik Intl Airport is 6 hours ahead of Billings (Greenwich Mean Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Reykjavik Keflavik Intl Airport?

    Some of the most popular sights in Reykjavik Keflavik Intl Airport are Harpa, Laugardalsholl and The Settlement Exhibition: Reykjavík 871±2. These are among the most viewed places in Reykjavik Keflavik Intl Airport on KAYAK.

Your guide to booking Billings to Reykjavik Keflavik Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Saturday. On this route, Tuesday flights average $762, about $1,170 less than Saturday fares (61% savings) based on the last 12 months.

More options for your flight from Billings to Keflavik Intl

Complete your trip to Reykjavik with a hotel stay or car rental

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