Kos to Athens KGS → ATH
Kos Airport (KGS) → Eleftherios Venizelos International Airport (ATH)
The cheapest return found recently is $144 with Sky Express Greece, 21 Oct – 23 Oct, found 4 days ago. The cheapest one-way found recently is $81 with Sky Express Greece, 21 Nov, found yesterday.
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$144
21 Oct – 23 Oct · Sky Express Greece
Kos Airport (KGS) → Eleftherios Venizelos International Airport (ATH)
Leaves 8:35 a.m. · Return leaves 7:05 a.m. · 2 h of travel, both ways together
out nonstop, back nonstop
found 4 days ago
Cheapest nonstop return
$144
21 Oct – 23 Oct · Sky Express Greece
Kos Airport (KGS) → Eleftherios Venizelos International Airport (ATH)
Leaves 8:35 a.m. · Return leaves 7:05 a.m. · 2 h of travel, both ways together
out nonstop, back nonstop
found 4 days ago
Found recently, and the cheapest we hold
$144 21 Oct – 23 Octfound 4 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $109 to $157.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Not enough comparable prices yet: we hold return fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 2-night return fares leaving within 3 days of 21 Oct to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 21 Oct – 23 Oct | $144 | Sky Express Greece | Kos Airport (KGS) → Eleftherios Venizelos International Airport (ATH) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
Airlines on the cheapest dates: Sky Express Greece.
One-way
The cheapest one-way fare on each of 10 departure dates is usually $71 to $131.
Cheapest one-way found recently
$81
21 Nov · Sky Express Greece
Kos Airport (KGS) → Eleftherios Venizelos International Airport (ATH)
Leaves 8:30 a.m. · 1 h trip
nonstop
found yesterday
Cheapest nonstop one-way
$81
21 Nov · Sky Express Greece
Kos Airport (KGS) → Eleftherios Venizelos International Airport (ATH)
Leaves 8:30 a.m. · 1 h trip
nonstop
found yesterday
Found recently, and the cheapest we hold
$81 21 Novfound yesterdayOpen this trip
$52 23 Novfound 6 days agoOpen this trip
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $39 to $58.
At $81, the cheapest one-way found recently is above that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 10 departure dates from 23 Oct to 1 Dec, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
Yes. Among one-way fares leaving within 3 days of 21 Nov, 23 Nov costs $52: $29 less than the cheapest found recently.
Sky Express Greece · Kos Airport (KGS) → Eleftherios Venizelos International Airport (ATH) · nonstop · found 6 days ago
Every date we hold
11 fares on 10 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 23 Oct | $162 | Aegean Airlines | Kos Airport (KGS) → Eleftherios Venizelos International Airport (ATH) | nonstop | found 3 days ago | Open this trip |
| 24 Oct | $159 | Sky Express Greece | Kos Airport (KGS) → Eleftherios Venizelos International Airport (ATH) | nonstop | found 5 days ago | Open this trip |
| 31 Oct | $137 | Sky Express Greece | Kos Airport (KGS) → Eleftherios Venizelos International Airport (ATH) | nonstop | found 2 days ago | Open this trip |
| 1 Nov | $105 | Aegean Airlines | Kos Airport (KGS) → Eleftherios Venizelos International Airport (ATH) | nonstop | found today | Open this trip |
| 3 Nov | $113 | Sky Express Greece | Kos Airport (KGS) → Eleftherios Venizelos International Airport (ATH) | nonstop | found 4 days ago | Open this trip |
| 9 Nov | $78 | Sky Express Greece | Kos Airport (KGS) → Eleftherios Venizelos International Airport (ATH) | nonstop | found 2 days ago | Open this trip |
| 10 Nov | $69 | Sky Express Greece | Kos Airport (KGS) → Eleftherios Venizelos International Airport (ATH) | nonstop | found 6 days ago | Open this trip |
| 21 Nov | $81 | Sky Express Greece | Kos Airport (KGS) → Eleftherios Venizelos International Airport (ATH) | nonstop | found yesterday | Open this trip |
| 23 Nov | $52 | Sky Express Greece | Kos Airport (KGS) → Eleftherios Venizelos International Airport (ATH) | nonstop | found 6 days ago | Open this trip |
| 1 Dec | $53 | Sky Express Greece | Kos Airport (KGS) → Eleftherios Venizelos International Airport (ATH) | nonstop | found 6 days ago | Open this trip |
Which month looks cheapest?
November 2026 is the cheapest month — from $52.
Airlines on the cheapest dates: Sky Express Greece, Aegean Airlines.
Premium cabin fares from Kos to Athens
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 21 Oct – 23 Oct in another cabin: Premium economy · Business · First
Today's prices for 21 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Kos to Athens?
Return
Fares 90 to 179 days before departure were typically 24% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $144 | $130 | +32% | 21 |
| 7–13 days | $144 | $135 | +32% | 16 |
| 14–29 days | $132 | $129 | +21% | 16 |
| 30–59 days | $122 | $122 | +12% | 8 |
| 60–89 days | $182 | $182 | +67% | 8 |
| 90–179 days | $109 | $109 | Cheapest seen | 9 |
| 180+ days | $138 | $126 | +27% | 20 |
One-way
Fares 180 or more days before departure were typically 38% lower than 0 to 6 days before departure.
From the cheapest one-way each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $64 | $46 | +60% | 24 |
| 7–13 days | $78 | $52 | +95% | 25 |
| 14–29 days | $69 | $47 | +73% | 25 |
| 30–59 days | $61 | $52 | +53% | 25 |
| 60–89 days | $77 | $77 | +93% | 8 |
| 90–179 days | $49 | $47 | +23% | 13 |
| 180+ days | $40 | $39 | Cheapest seen | 16 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Rhodes → Athens
108 km from Kos
$95
$49 less than flying from Kos
15 Feb 2027 – 21 Feb 2027 · RHO → ATH · out nonstop, back nonstop
found yesterday
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Ikaria Island → Athens
118 km from Kos
$31
$50 less than flying from Kos
4 Jan 2027 · JIK → ATH · nonstop
found 5 days ago
Rhodes → Athens
108 km from Kos
$36
$45 less than flying from Kos
1 Dec · RHO → ATH · nonstop
found yesterday
Samos → Athens
101 km from Kos
$102
$21 more than flying from Kos
26 Oct · SMI → ATH · nonstop
found 2 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 21 Oct – 23 Oct. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work