Flights Seattle → Buenos Aires (Ezeiza)
As of November 2026, economy flights from Seattle to Buenos Aires (Ezeiza) have a typical range USD 895–2065, median USD 998. Full range across all 124 offers: USD 895–6017. We analyzed 124 offers from 12 airlines in a single price check.
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: Seattle → Buenos Aires (Ezeiza)
Based on 124 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Seattle → Buenos Aires (Ezeiza)
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| American Airlines | — | USD 35 | — |
| LATAM Airlines | — | USD 40 | — |
| Delta | Included | USD 35 | — |
| United Airlines | — | USD 35 | — |
| Alaska Airlines | — | USD 35 | — |
| Copa | Included | USD 40 | — |
| Air Canada | — | USD 30 | — |
| Avianca | Included | USD 30 | — |
| Turkish Airlines | Included | Included | — |
| British Airways | Included | USD 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 Seattle to Buenos Aires (Ezeiza) cost?
Based on 124 offers · November 2026
Seattle to Buenos Aires (Ezeiza) flights ranged from USD 895 to USD 6017 across 124 offers analyzed in November 2026. The chart below shows how prices distributed across all 124 offers.
These 124 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 895 and USD 1223
What hidden fees do Seattle to Buenos Aires (Ezeiza) flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Seattle to Buenos Aires (Ezeiza) routes. The breakdown below is based on 124 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| AA | 45 | 5% |
| LA | 55 | 5% |
| DL | 45 | 5% |
| UA | 45 | 4% |
| AS | 45 | 3% |
| CM | 55 | 5% |
| AC | 42 | 3% |
| AV | 40 | 1% |
| TK | 10 | 0% |
| BA | 80 | 1% |
LATAM Airlines: base ~USD 943 + fees USD 55 = ~USD 998 total. Turkish Airlines: base ~USD 5125 + fees USD 10 = ~USD 5135 total.
LATAM Airlines's USD 55 ancillary fees narrow the gap with Turkish Airlines's lower-fee model — the USD 4182 base difference shrinks to USD 4137 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 are relatively consistent across carriers on this route.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Seattle to Buenos Aires (Ezeiza)?
12 airlines flew Seattle 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.
Even on the cheapest airline (American Airlines), fares ranged USD 895–919 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 American Airlines | 12 | 895–919 | 895 | 45 (5%) |
 Delta Air Lines | 20 | 895–1223 | 895 | 45 (5%) |
 United Airlines | 16 | 895–2081 | 895 | 45 (5%) |
 American | 4 | — | 895 | n/a |
 United | 1 | — | 895 | n/a |
 LATAM Airlines | 39 | 895–1238 | 998 | 55 (6%) |
 Copa Airlines | 5 | 896–1157 | 1047 | 55 (5%) |
 Air Canada | 4 | 1205–1861 | 1533 | 42 (3%) |
 Alaska Airlines | 18 | 1070–2397 | 1738 | 45 (3%) |
 Avianca | 3 | 2445–4336 | 3170 | 40 (1%) |
 Turkish Airlines | 1 | — | 5135 | 10 (0%) |
 British Airways | 1 | — | 6017 | 80 (1%) |
Where do the best Seattle → 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 travel agency 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: Seattle to Buenos Aires (Ezeiza) flights
- Seattle–Buenos Aires (Ezeiza) had 124 offers analyzed. Median price: USD 998.
- BA charges 8.0x more in ancillary fees than TK — USD 80 vs USD 10 avg per booking.
- The same route priced USD 249 apart depending on where it was booked — the lowest median was USD 895. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Seattle to Buenos Aires (Ezeiza) cost?
- Based on 124 offers analyzed, Seattle to Buenos Aires (Ezeiza) flights range from USD 895 to USD 6017, with a median price of USD 998. Search for your specific dates →
- What hidden fees should I expect on Seattle to Buenos Aires (Ezeiza) flights?
- On average, ancillary fees (bags, seat selection) add USD 48 to the base fare on Seattle to Buenos Aires (Ezeiza) flights. See itemized fees for your itinerary →
- Which airline is cheapest on Seattle to Buenos Aires (Ezeiza) including all fees?
- American Airlines has the lowest median fare on Seattle to Buenos Aires (Ezeiza) at USD 895 (median across 12 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Seattle–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 895. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Seattle to Buenos Aires (Ezeiza) routes?
- Seattle to Buenos Aires (Ezeiza) has 12 airlines competing, creating a price range from USD 895 to USD 6017 across 124 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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