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Flights Kalispell → Buenos Aires (Ezeiza)

As of September 2026, economy flights from Kalispell to Buenos Aires (Ezeiza) have a typical range USD 1782–2818, median USD 1912. Full range across all 38 offers: USD 1230–5581. We analyzed 38 offers from 8 airlines in a single price check.

38 offersavg USD 69 in feesFresh · September 2026
Search Kalispell → Buenos Aires (Ezeiza) — 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 →

Best offers by airline: Kalispell → Buenos Aires (Ezeiza)

Based on 38 offers · September 2026. Prices and availability change — run a live search to confirm.

Alaska AirlinesUSD 1230
32h 40mMin 3 stopsEvening (18–21)
Search Alaska Airlines
Alaska AirlinesUSD 1498
32h 40mMin 3 stopsEvening (18–21)
Search Alaska Airlines
United AirlinesUSD 1624
21h 6mMin 2 stopsMorning (06–12)
Search United Airlines
UnitedUSD 1782
21h 6m–23h 6mMin 2 stopsMorning (06–12)
Search United
DeltaUSD 1822
22h 24m–25h 44mMin 2 stopsEarly morning (00–06)
Bags included
Search Delta
DeltaUSD 1822
22h 24mMin 2 stopsEarly morning (00–06)
Search Delta
United AirlinesUSD 1906
21h 6m–60h 44mMin 2 stopsMorning (06–12)
Bags included
Search United Airlines
Alaska AirlinesUSD 2173
21h 58m–33h 55mMin 2 stopsEvening (18–21)
Bags included
Non-refundable
Search Alaska Airlines

Bag & seat fees: Kalispell → Buenos Aires (Ezeiza)

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

AirlineCarry-onChecked bagSeat selection
DeltaIncludedUSD 140—
United AirlinesIncludedUSD 35—
Alaska AirlinesIncludedIncluded—

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 Kalispell to Buenos Aires (Ezeiza) cost?

Based on 38 offers · September 2026

Kalispell to Buenos Aires (Ezeiza) flights ranged from USD 1230 to USD 5581 across 38 offers analyzed in September 2026. The chart below shows how prices distributed across all 38 offers.

Limited data (38 offers). Results may not fully represent the market. Run a search for more complete data.
USD 1230median USD 1912USD 5581

What hidden fees do Kalispell to Buenos Aires (Ezeiza) flights charge?

Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Kalispell to Buenos Aires (Ezeiza) routes. The breakdown below is based on 38 offers analyzed in September 2026.

Ancillary fee breakdown by carrier
CarrierAvg fee (USD)% of base fare
DL1256%
UA381%
AS331%

Delta Air Lines: base ~USD 1697 + fees USD 125 = ~USD 1822 total. Alaska Airlines: base ~USD 2733 + fees USD 33 = ~USD 2766 total.

Delta Air Lines's USD 125 ancillary fees narrow the gap with Alaska Airlines's lower-fee model — the USD 1036 base difference shrinks to USD 944 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 Kalispell to Buenos Aires (Ezeiza)?

8 airlines flew Kalispell to Buenos Aires (Ezeiza) in this dataset. 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)
AS|DM1—1230n/a
AS|DM|DL1—1498n/a
UA|DM|AS1—1624n/a
Delta Air Lines111822–26601822125 (7%)
Delta2—1822n/a
United41782–19231853n/a
United Airlines101906–3094191738 (2%)
Alaska Airlines82173–2931276633 (1%)

Where do the best Kalispell → Buenos Aires (Ezeiza) 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: Kalispell to Buenos Aires (Ezeiza) flights

Frequently asked questions

How much does a flight from Kalispell to Buenos Aires (Ezeiza) cost?
Based on 38 offers analyzed, Kalispell to Buenos Aires (Ezeiza) flights range from USD 1230 to USD 5581, with a median price of USD 1912. Search for your specific dates →
What hidden fees should I expect on Kalispell to Buenos Aires (Ezeiza) flights?
On average, ancillary fees (bags, seat selection) add USD 69 to the base fare on Kalispell to Buenos Aires (Ezeiza) flights. See itemized fees for your itinerary →
Which airline is cheapest on Kalispell to Buenos Aires (Ezeiza) including all fees?
AS|DM has the lowest median fare on Kalispell to Buenos Aires (Ezeiza) at USD 1230 (median across 1 offers in our snapshot). Check which airline wins on your dates →
Which booking site has the cheapest Kalispell–Buenos Aires (Ezeiza) 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 1230. Run a live search and we'll find the cheapest for you →
Why do prices vary so much on Kalispell to Buenos Aires (Ezeiza) routes?
Kalispell to Buenos Aires (Ezeiza) has 8 airlines competing, creating a price range from USD 1230 to USD 5581 across 38 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →

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Flights Kalispell → Buenos Aires (Ezeiza): Price Data & Hidden Fees | LetsFG