Are direct flights from St. Louis to Reykjavik always the best option?

Direct flights offer convenience by minimizing travel time and avoiding layovers. However, connecting flights can sometimes be more economical, especially for longer international journeys. Consider your priorities for cost versus travel duration when making your choice.

Can flexible travel dates help on St. Louis to Reykjavik flights?

Yes, being flexible with your travel dates can often lead to finding cheaper flights. Prices can vary significantly between different days of the week or even within the same month. Adjusting your departure or return by a few days may result in notable savings.

What extra costs should I check before booking St. Louis to Reykjavik flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Understanding these fees beforehand can help you budget accurately.

Flights From St. Louis

To Reykjavik

Cheap Flights from St. Louis to Reykjavik

Browse current best options from St. Louis. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

St. Louis

RatePunk searches hundreds of travel sites at once for deals on flights to Reykjavik

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from St. Louis to Reykjavik

Explore current cheapest deals departing from St. Louis to Reykjavik

2026-09-15 – 2026-09-24
STL - Reykjavik
88% AI deal score
$739
$558
Round trip
2026-09-10 – 2026-09-20
STL - Reykjavik
87% AI deal score
$716
$563
Round trip
2026-09-13 – 2026-09-23
STL - Reykjavik
82% AI deal score
$721
$581
Round trip
2026-09-20 – 2026-09-30
STL - Reykjavik
81% AI deal score
$730
$590
Round trip
2026-10-24 – 2026-10-31
STL - Reykjavik
81% AI deal score
$778
$631
Round trip
2026-11-01 – 2026-11-09
STL - Reykjavik
77% AI deal score
$740
$677
Round trip
2026-09-13 – 2026-09-19
STL - Reykjavik
78% AI deal score
$762
$688
Round trip
2026-10-24 – 2026-10-29
STL - Reykjavik
79% AI deal score
$794
$690
Round trip
2026-09-14 – 2026-09-23
STL - Reykjavik
76% AI deal score
$738
$707
Round trip
2026-08-24 – 2026-08-30
STL - Reykjavik
80% AI deal score
$854
$707
Round trip

St. Louis to Reykjavik: Overview

Insights for flights from St. Louis to Reykjavik

A typical journey from St. Louis to Reykjavik takes about 40h 15m, including connections. Given that most itineraries for this route involve connecting flights, this duration reflects the overall travel time you can expect.

For travelers seeking cheap flights from St. Louis to Reykjavik, fares typically range from $1106–$1761, with a median of $1393. Right now, current fares are above the typical level. There are currently no recent fares classified as a good price for this route.

The cheapest time to fly from St. Louis to Reykjavik is typically in July, when the median fare is around $1084. Other relatively inexpensive months include June, with a median fare of $1145, and May, where the median fare is $1156.

Most itineraries for flights from St. Louis to Reykjavik connect at least once, as 0% of recent fares were non-stop. For connecting itineraries, the typical number of stopovers is 3.

The distance between St. Louis and Reykjavik is approximately 5171 kilometers, classifying this as a long-haul route. This considerable distance means you should anticipate a longer travel experience, often involving multiple connections.

How much is a round trip from St. Louis to Reykjavik

Regular price: $661 - $1,471

Prices are currently below the regular range.

The regular price range for flights from St. Louis to Reykjavik is typically between $661 and $1471. The current lowest deal is $509 with Frontier Airlines for travel from Oct 24-Oct 29.

now $509

Low $661

High $1,471

The cheapest time to fly from St. Louis to Reykjavik

The cheapest month to fly from St. Louis to Reykjavik is July, with a median price of $1084. The most expensive month is September, with a median price of $1367. Prices are generally lower from May to July.

July

Cheapest

Flights from $1,084

September

Most Expensive

Flights from $1,367

Apr

May

Jun

Jul

Sep

Direct flights from St. Louis to Reykjavik

Air Canada

Frontier Airlines

United Airlines

WestJet

Last-minute flights going from St. Louis to Reykjavik

Fri, Jul 31

⌛ Last-Minute

STL - Reykjavik

St. Louis (STL) - Reykjavik (KEF)

$957

$916

One-way

Sat, Aug 15

⌛ Last-Minute

STL - Reykjavik

St. Louis (STL) - Reykjavik (KEF)

$816

$856

One-way

Mon, Aug 17

⌛ Last-Minute

STL - Reykjavik

St. Louis (STL) - Reykjavik (KEF)

Frontier Airlines, WestJet

$796

$736

One-way

Mon, Aug 17

⌛ Last-Minute

STL - Reykjavik

St. Louis (STL) - Reykjavik (KEF)

Frontier Airlines, WestJet

$780

$753

One-way

Tue, Aug 18

⌛ Last-Minute

STL - Reykjavik

St. Louis (STL) - Reykjavik (KEF)

WestJet

$875

$1,016

One-way

Wed, Aug 19

⌛ Last-Minute

STL - Reykjavik

St. Louis (STL) - Reykjavik (KEF)

Lufthansa

$875

$1,030

One-way

Biggest price drops on these dates for flights from St. Louis to Reykjavik

4 nights

Aug 30 - Sep 3

$900 → $746

17%

5 nights

Aug 24 - Aug 29

$891 → $762

14%

5 nights

Aug 31 - Sep 5

$880 → $752

15%

9 nights

Aug 24 - Sep 2

$827 → $721

13%

Popular Airports to fly from St. Louis to Reykjavik

St. Louis - Reykjavik route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from St. Louis to Reykjavik are above the typical level at $1393.

📅 Best time to fly

Fly in July for the best prices

Historically, July is the cheapest month to fly, with a median price of $1084.

⏱️ Flight duration

Expect a long-haul flight

The typical flight duration from St. Louis to Reykjavik is 40h 15m.

✈️ Airlines & availability

Connecting flights are dominant

This route primarily offers connecting flights, with a median of 3 stopovers.

🏆 Airline highlight

Frontier Airlines offers deals

Frontier Airlines has recently offered deals for flights on this route.

🎯 Booking tip

Deals are rare for this route

Historically, deals for flights from St. Louis to Reykjavik are rare.

St. Louis main airports to depart from

St. Louis Lambert International (STL)

Cheapest

St. Louis Lambert International is a good option for flights from St. Louis to Reykjavik.

📍 ~25 km from St. Louis (reachable by car)

💸 Flights from ~$719

Reykjavik main airports to arrive at

Keflavík International (KEF)

Cheapest

Keflavík International Airport is a good option for flights to Reykjavik, offering competitive prices.

📍 ~30 km from Reykjavik (reachable by car)

💸 Flights from ~$719

Airports nearby Reykjavik used as alternative

Keflavík International (KEF)

Cheapest

Keflavík International is the primary international gateway for Iceland, offering extensive international and long-haul flights.

📍 ~38 km from destination city (requires a shuttle or car transfer)

💸 Flights from ~$719

Business & First Class Flight Deals to Reykjavik

98% AI deal score

$17,293

$3,888

Save $13,405

Frequently Asked Questions About Flights to Reykjavik

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can often reveal better deals. Setting up price alerts may also help you catch drops in fares.

Booking in advance often provides more options and potentially lower prices, especially for international routes. However, last-minute deals can sometimes appear, so it's wise to monitor prices. The ideal booking window can vary based on demand and other factors.

Comparing nearby airports can sometimes lead to more affordable flight options or different schedules. While it might add to your ground travel, the potential savings could be significant. Always factor in the cost and time of transportation to and from alternative airports.

Related routes

More routes from St. Louis

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Flights to Reykjavik from other cities

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St. Louis to Reykjavik: Overview

Insights for flights from St. Louis to Reykjavik

Most itineraries for flights from St. Louis to Reykjavik connect at least once, as 0% of recent fares were non-stop. For connecting itineraries, the typical number of stopovers is 3.

How much is a round trip from St. Louis to Reykjavik

Regular price: $661 - $1,471

Prices are currently below the regular range.

The regular price range for flights from St. Louis to Reykjavik is typically between $661 and $1471. The current lowest deal is $509 with Frontier Airlines for travel from Oct 24-Oct 29.

now $509

Low $661

High $1,471

The cheapest time to fly from St. Louis to Reykjavik

July

Cheapest

Flights from $1,084

September

Most Expensive

Flights from $1,367

Apr

May

Jun

Jul

Sep

Direct flights from St. Louis to Reykjavik

Air Canada

Frontier Airlines

United Airlines

WestJet

Last-minute flights going from St. Louis to Reykjavik

Fri, Jul 31

⌛ Last-Minute

STL - Reykjavik

St. Louis (STL) - Reykjavik (KEF)

$957

$916

One-way

Sat, Aug 15

⌛ Last-Minute

STL - Reykjavik

St. Louis (STL) - Reykjavik (KEF)

$816

$856

One-way

Mon, Aug 17

⌛ Last-Minute

STL - Reykjavik

St. Louis (STL) - Reykjavik (KEF)

Frontier Airlines, WestJet

$796

$736

One-way

Mon, Aug 17

⌛ Last-Minute

STL - Reykjavik

St. Louis (STL) - Reykjavik (KEF)

Frontier Airlines, WestJet

$780

$753

One-way

Tue, Aug 18

⌛ Last-Minute

STL - Reykjavik

St. Louis (STL) - Reykjavik (KEF)

WestJet

$875

$1,016

One-way

Wed, Aug 19

⌛ Last-Minute

STL - Reykjavik

St. Louis (STL) - Reykjavik (KEF)

Lufthansa

$875

$1,030

One-way

Biggest price drops on these dates for flights from St. Louis to Reykjavik

4 nights

Aug 30 - Sep 3

$900 → $746

17%

5 nights

Aug 24 - Aug 29

$891 → $762

14%

5 nights

Aug 31 - Sep 5

$880 → $752

15%

9 nights

Aug 24 - Sep 2

$827 → $721

13%

Popular Airports to fly from St. Louis to Reykjavik