Baltimore to Lisbon BWI → LIS
Baltimore/Wash International Thurgood Marshall Airport (BWI) → Lisbon Portela Airport (LIS)
The cheapest return found recently is $836 with United Airlines, 3 Nov – 12 Nov, found yesterday. The cheapest one-way found recently is $650 with Icelandair, 24 Jun 2027, found 3 days ago.
Return
The cheapest return fare on each of 5 departure dates is usually $853 to $1,338.
Cheapest return found recently
$836
3 Nov – 12 Nov · United Airlines
Baltimore/Wash International Thurgood Marshall Airport (BWI) → Lisbon Portela Airport (LIS)
Leaves 12:34 p.m. · Return leaves 5:00 a.m. · 30 h 31 min of travel, both ways together
out 2 stops, back 1 stop
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$836 3 Nov – 12 Novfound yesterdaySee 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 $718 to $1,110.
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?
Compared with the cheapest return fare on each of 5 departure dates from 20 Oct to 23 Jun 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 9-night return fares leaving within 3 days of 3 Nov to compare.
Every date we hold
6 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 20 Oct – 3 Nov | $1,076 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → Lisbon Portela Airport (LIS) | out 1 stop, back 3 stops | found today | See prices for these dates |
| 3 Nov – 12 Nov | $836 | United Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → Lisbon Portela Airport (LIS) | out 2 stops, back 1 stop | found yesterday | See prices for these dates |
| 20 Nov – 29 Nov | $1,692 | British Airways | Baltimore/Wash International Thurgood Marshall Airport (BWI) → Lisbon Portela Airport (LIS) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 18 Jan 2027 – 24 Jan 2027 | $853 | Icelandair | Baltimore/Wash International Thurgood Marshall Airport (BWI) → Lisbon Portela Airport (LIS) | out 3 stops, back 2 stops | found yesterday | See prices for these dates |
| 23 Jun 2027 – 30 Jun 2027 | $1,338 | American Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → Lisbon Portela Airport (LIS) | out 1 stop, back 2 stops | found 2 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $836.
Airlines on the cheapest dates: Frontier Airlines, United Airlines, British Airways, Icelandair, American Airlines.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$650
24 Jun 2027 · Icelandair
Baltimore/Wash International Thurgood Marshall Airport (BWI) → Lisbon Portela Airport (LIS)
Leaves 8:30 p.m. · 21 h 55 min trip
2 stops
found 3 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$650 24 Jun 2027found 3 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 4 days, 7 Oct to 18 Oct, the cheapest one-way we saw each day was $650 to $712.
At $650, the cheapest one-way found recently is at the low end of that range.
4 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?
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 24 Jun 2027 to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 24 Jun 2027 | $650 | Icelandair | Baltimore/Wash International Thurgood Marshall Airport (BWI) → Lisbon Portela Airport (LIS) | 2 stops | found 3 days ago | Open this trip |
Airlines on the cheapest dates: Icelandair.
Premium cabin fares from Baltimore to Lisbon
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 3 Nov – 12 Nov in another cabin: Premium economy · Business · First
Today's prices for 24 Jun 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Baltimore to Lisbon?
Return
Fares 14 to 29 days before departure were typically 44% 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 | $1,537 | $1,239 | +79% | 8 |
| 7–13 days | $1,110 | $890 | +29% | 10 |
| 14–29 days | $858 | $718 | Cheapest seen | 25 |
| 30–59 days | $1,373 | $1,215 | +60% | 12 |
| 60–89 days | $1,147 | $1,147 | +34% | 8 |
| 180+ days | $1,164 | $1,090 | +36% | 25 |
One-way
Not enough history yet: we have 4 days of one-way prices, 7 Oct to 18 Oct, and compare booking times once 3 booking ranges have 7 days each.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Washington → Lisbon
57 km from Baltimore
$691
$145 less than flying from Baltimore
18 Jan 2027 – 24 Jan 2027 · IAD → LIS · out 1 stop, back 1 stop
found yesterday
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Washington → Lisbon
57 km from Baltimore
$629
$21 less than flying from Baltimore
24 Jun 2027 · IAD → LIS · 2 stops
found 3 days ago
Philadelphia → Lisbon
145 km from Baltimore
$719
$69 more than flying from Baltimore
24 Jun 2027 · PHL → LIS · 2 stops
found 3 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 3 Nov – 12 Nov. 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