LetsFG

Flights St Louis → Reykjavík

As of November 2026, economy flights from St Louis to Reykjavík have a typical range USD 709–3913, median USD 1012. Full range across all 165 offers: USD 636–5274. We found 65% of 165 offers from budget carriers (around USD 942) and 35% from full-service carriers (around USD 1042).

165 offersavg USD 63 in feesFresh · November 2026
Search St Louis → Reykjavík — see your price →

Preview snapshot — prices change. Search for live results.

Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →

Two fare clusters detected: budget fares around 868 and premium fares around 4115

Best offers by airline: St Louis → Reykjavík

Based on 165 offers · November 2026. Prices and availability change — run a live search to confirm.

IcelandairUSD 636
6h 35mDirect availableEvening (18–21)
Bags included
Search Icelandair
United AirlinesUSD 694
9h 5m–20h 25mMin 1 stopAfternoon (12–18)
Bags included
Non-refundable
Search United Airlines
Air CanadaUSD 697
12h 40m–42h 45mMin 1 stopAfternoon (12–18)
Bags included
Non-refundable
Search Air Canada
LufthansaUSD 800
26h 55m–29h 25mMin 1 stopAfternoon (12–18)
Bags included
Non-refundable
Search Lufthansa
American AirlinesUSD 920
31h 15mMin 1 stopNight (21–00)
Bags included
Search American Airlines
Virgin AtlanticUSD 924
11h 12m–14h 12mMin 2 stopsAfternoon (12–18)
Bags included
Search Virgin Atlantic
Air FranceUSD 924
11h 12m–14h 12mMin 2 stopsAfternoon (12–18)
Bags included
Search Air France
FinnairUSD 1007
29h 10m–38h 4mMin 2 stopsAfternoon (12–18)
Bags included
Search Finnair
British AirwaysUSD 1068
29h 6m–35h 55mMin 1 stopNight (21–00)
Bags included
Non-refundable
Search British Airways

Bag & seat fees: St Louis → Reykjavík

Add-on pricing from the cheapest available offer per airline · November 2026 · USD

AirlineCarry-onChecked bagSeat selection
IcelandairIncluded——
United AirlinesIncludedUSD 150—
Air CanadaIncludedUSD 30—
LufthansaIncludedUSD 35—
American AirlinesIncludedUSD 35—
Virgin AtlanticIncludedIncluded—
Air FranceIncludedUSD 35—
FinnairIncluded——
British AirwaysIncludedUSD 65—

Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.

How much do flights from St Louis to Reykjavík cost?

Based on 165 offers · November 2026

St Louis to Reykjavík flights ranged from USD 636 to USD 5274 across 165 offers analyzed in November 2026. Two fare clusters detected: budget fares around 868 and premium fares around 4115 The chart below shows how prices distributed across all 165 offers.

P10: USD 709P25: USD 924P50: USD 1012P75: USD 1872P90: USD 3913

These 165 offers (November 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.

50% of offers priced between USD 924 and USD 1872

What hidden fees do St Louis to Reykjavík flights charge?

Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on St Louis to Reykjavík routes. The breakdown below is based on 165 offers analyzed in November 2026.

Ancillary fee breakdown by carrier
CarrierAvg fee (USD)% of base fare
FI723%
UA757%
AC624%
LH454%
AA455%
VS202%
AF475%
AY101%
BA742%

United Airlines: base ~USD 858 + fees USD 75 = ~USD 933 total. Finnair: base ~USD 1288 + fees USD 10 = ~USD 1298 total.

United Airlines's USD 75 ancillary fees narrow the gap with Finnair's lower-fee model — the USD 430 base difference shrinks to USD 365 after fees. Always compare total cost, not just the advertised base fare.

Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.

Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.

Run your search to see itemized fees for your itinerary

Which airline is cheapest from St Louis to Reykjavík?

9 airlines flew St Louis to Reykjavík in this dataset. The route shows a clear split between low-cost and full-service carriers. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.

AirlineOffersTypical range (USD)Median (USD)Fees (USD)
American Airlines1—92045 (5%)
Virgin Atlantic3—92420 (2%)
Air France3—92447 (5%)
United Airlines54706–126593375 (8%)
Air Canada47703–374294262 (7%)
Lufthansa7805–1807104245 (4%)
Finnair121021–1851129810 (1%)
Icelandair18976–4917195372 (4%)
British Airways201646–4537391374 (2%)

Where do the best St Louis → Reykjavík prices come from?

We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.

We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.

Key facts: St Louis to Reykjavík flights

Frequently asked questions

How much does a flight from St Louis to Reykjavík cost?
Based on 165 offers analyzed, St Louis to Reykjavík flights range from USD 636 to USD 5274, with a median price of USD 1012. Search for your specific dates →
What hidden fees should I expect on St Louis to Reykjavík flights?
On average, ancillary fees (bags, seat selection) add USD 63 to the base fare on St Louis to Reykjavík flights. See itemized fees for your itinerary →
Which airline is cheapest on St Louis to Reykjavík including all fees?
American Airlines has the lowest median fare on St Louis to Reykjavík at USD 920 (median across 1 offers in our snapshot). Check which airline wins on your dates →
Which booking site has the cheapest St Louis–Reykjavík flights?
It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 924. Run a live search and we'll find the cheapest for you →
Why do prices vary so much on St Louis to Reykjavík routes?
St Louis to Reykjavík has 9 airlines competing, creating a price range from USD 636 to USD 5274 across 165 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →

9 airlines, two price clusters — find which fits your budget

Find flights for my dates

New route — be among the first to track this itinerary

Building with flight data? Power your app or agent with LetsFG

The same multi-source search behind this page — every airline and the major booking sites, deduplicated and ranked — is available to your app or AI agent. Natural-language or structured queries, live prices, zero price bias.

Try the free sandbox — no card →

Free sandbox, instant fake results · email for a key · Bearer-token auth · MCP, Python & JS SDKs · letsfg.co/developers

Flights St Louis → Reykjavík: Price Data & Hidden Fees | LetsFG