Cheap flights from Basel to Porto from $78 BSL, MLH → OPO
EuroAirport Swiss (BSL), EuroAirport Basel-Mulhouse-Freiburg (MLH) → Porto Airport (OPO)
The cheapest return found recently is $296 with easyJet, 18 Dec – 10 Jan 2027, found today. The cheapest one-way found recently is $78 with easyJet, 12 Jun 2027, found today.
- Cheapest one-way found recently
- $78, easyJet, found today
- Cheapest return found recently
- $296, 18 Dec to 10 Jan 2027
- Usual return price
- $96 to $296
- Cheapest month to fly
- January 2027, return fares from $78 found in the last 7 days
- Airlines with nonstop flights
- easyJet
- Shortest nonstop flight found
- 2 h 30 min
Return
The cheapest return fare on each of 5 departure dates is usually $96 to $296.
Cheapest return found recently
$296
18 Dec – 10 Jan 2027 · easyJet
EuroAirport Swiss (BSL) → Porto Airport (OPO)
Leaves 1:00 p.m. · Return leaves 9:55 p.m. · 29 h 40 min of travel, both ways together
out 2 stops, back 1 stop
found today
Cheapest nonstop return
$78
27 Jan 2027 – 1 Feb 2027 · easyJet
EuroAirport Swiss (BSL) → Porto Airport (OPO)
Leaves 5:10 p.m. · Return leaves 11:50 a.m. · 5 h 5 min of travel, both ways together
out nonstop, back nonstop
found 5 days ago
Found recently, and the cheapest we hold
$296 18 Dec – 10 Jan 2027found todaySee prices for these dates
$78 27 Jan 2027 – 1 Feb 2027found 5 days agoSee prices for these dates
What have prices looked like?
Over 50 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $78 to $343.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 5 departure dates from 22 Nov to 27 Jan 2027, 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?
We hold no other 23-night return fares leaving within 3 days of 18 Dec to compare.
Every date we hold
10 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 22 Nov – 24 Nov | $220 | easyJet | EuroAirport Swiss (BSL) → Porto Airport (OPO) | out nonstop, back 2 stops | found 6 days ago | See prices for these dates |
| 18 Dec – 10 Jan 2027 | $296 | easyJet | EuroAirport Swiss (BSL) → Porto Airport (OPO) | out 2 stops, back 1 stop | found today | See prices for these dates |
| 24 Dec – 26 Dec | $368 | easyJet | EuroAirport Swiss (BSL) → Porto Airport (OPO) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 22 Jan 2027 – 24 Jan 2027 | $96 | easyJet | EuroAirport Swiss (BSL) → Porto Airport (OPO) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 27 Jan 2027 – 1 Feb 2027 | $78 | easyJet | EuroAirport Swiss (BSL) → Porto Airport (OPO) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $78.
Airlines on the cheapest dates: easyJet.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$78
12 Jun 2027 · easyJet
EuroAirport Swiss (BSL) → Porto Airport (OPO)
Leaves 4:35 p.m. · 2 h 30 min trip
nonstop
found today
Cheapest nonstop one-way
$78
12 Jun 2027 · easyJet
EuroAirport Swiss (BSL) → Porto Airport (OPO)
Leaves 4:35 p.m. · 2 h 30 min trip
nonstop
found today
Found recently, and the cheapest we hold
$78 12 Jun 2027found todayOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 44 days, 24 Sept to 12 Nov, the cheapest one-way we saw each day was $25 to $181.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 12 Jun 2027 to compare.
Every date we hold
3 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 12 Jun 2027 | $78 | easyJet | EuroAirport Swiss (BSL) → Porto Airport (OPO) | nonstop | found today | Open this trip |
Airlines on the cheapest dates: easyJet.
Premium cabin fares from Basel to Porto
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 18 Dec – 10 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 12 Jun 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Basel to Porto?
Return
Fares 7 to 13 days before departure were typically 43% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (50 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 | $321 | $295 | +75% | 12 |
| 7–13 days | $184 | $152 | Cheapest seen | 7 |
| 14–29 days | $201 | $133 | +9% | 18 |
| 30–59 days | $241 | $126 | +31% | 38 |
| 60–89 days | $248 | $78 | +35% | 41 |
One-way
Fares 90 to 179 days before departure were typically 55% lower than 60 to 89 days before departure.
From the cheapest one-way each day between 24 Sept and 12 Nov (44 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 |
|---|---|---|---|---|
| 60–89 days | $113 | $34 | +121% | 12 |
| 90–179 days | $51 | $51 | Cheapest seen | 10 |
| 180+ days | $80 | $55 | +57% | 30 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Zurich → Porto
75 km from Basel
$151
$145 less than flying from Basel
19 Mar 2027 – 22 Mar 2027 · ZRH → OPO · out nonstop, back nonstop
found 2 days ago
Strasbourg → Porto
115 km from Basel
$197
$99 less than flying from Basel
14 Nov – 15 Nov · SXB → OPO · out nonstop, back 1 stop
found 3 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Zurich → Porto
75 km from Basel
$38
$40 less than flying from Basel
9 Jan 2027 · ZRH → OPO · nonstop
found today
Strasbourg → Porto
115 km from Basel
$50
$28 less than flying from Basel
14 Nov · SXB → OPO · nonstop
found 4 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 18 Dec – 10 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Basel to Porto?
The cheapest return found recently is $296 with easyJet, 18 Dec to 10 Jan 2027, found today. The cheapest return we hold, of any age, is $78 with easyJet, 27 Jan 2027 to 1 Feb 2027, found 5 days ago. The cheapest return fare on each of 5 departure dates is usually $96 to $296.
How much is a one-way flight from Basel to Porto?
The cheapest one-way found recently is $78 with easyJet, 12 Jun 2027, found today.
What is the cheapest month to fly from Basel to Porto?
January 2027 is the cheapest month for a return, from $78, 27 Jan 2027 to 1 Feb 2027, found 5 days ago.
How far ahead should I book a flight from Basel to Porto?
In 50 days of prices between 24 Sept and 12 Nov, return fares 7 to 13 days before departure were typically 43% lower than 0 to 6 days before departure. In 44 days of prices between 24 Sept and 12 Nov, one-way fares 90 to 179 days before departure were typically 55% lower than 60 to 89 days before departure.
Is there a direct flight from Basel to Porto?
Yes, the cheapest nonstop return found recently is $78 with easyJet, 27 Jan 2027 to 1 Feb 2027, found 5 days ago. The cheapest nonstop one-way found recently is $78 with easyJet, 12 Jun 2027, found today.
How long is the flight from Basel to Porto?
The cheapest nonstop one-way found recently, with easyJet on 12 Jun 2027, takes 2 h 30 min from EuroAirport Swiss (BSL) to Porto Airport (OPO).
Which airlines have the cheapest flights from Basel to Porto?
Between 22 Nov and 27 Jan 2027, easyJet has the cheapest return on all 5 departure dates we hold.
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