Destination guide · Europe
Portugal: when to go, is it safe, what it costs from Omaha.
Everything a planner from Omaha asks about Portugal on one page: the U.S. State Department has it at Level 1 (exercise normal precautions) as of 2025-12-22, the driest stretch in the 25-year NASA record is July, August and June, and the lowest round-trip fares we found from OMA to LIS by season. Numbers only, each with its source and date, plus what Ann can set up.
Photo: Breno Barison / Pexels
Who Portugal suits
Portugal has a clear season: May, June, July, August and September are the months that stay comfortable and dry, so it suits travelers who can aim for them. Fares from Omaha swing $369 between seasons ($859–$1,228 to LIS), which rewards flexible dates. A Level 1 advisory makes it an easy first international trip.
Quick facts
- Country
- Portugal
- Airports from OMA
- LIS
- Climate point
- Lisbon, Portugal
- Advisory
- Level 1 · 2025-12-22
- Driest
- July, August and June
- Wettest
- November and October
When to go
Portugal by month: July leads for dry days
Start with rainfall: July at 0.1 in, August at 0.2 in, June at 0.5 in are the three driest months at Lisbon, Portugal, while November (3.4 in) and October (3.0 in) carry the most rain in a year that totals roughly 21.2 inches.
With mean highs of 59–74°F, the comfort band holds most of the year; the dry-and-comfortable months are May, June, July, August and September.
Swipe for more columns.
| Month | High / low | Rain | Humidity | Wind |
|---|---|---|---|---|
| Jan | 59° / 52°F | 2.5" | 81% | 13 mph |
| Feb | 59° / 52°F | 2.0" | 80% | 13 mph |
| Mar | 61° / 54°F | 2.5" | 80% | 13 mph |
| Apr | 63° / 56°F | 2.1" | 80% | 13 mph |
| May | 67° / 59°F | 1.1" | 79% | 13 mph |
| Jun | 70° / 62°F | 0.5" | 80% | 13 mph |
| Jul | 73° / 64°F | 0.1" | 81% | 13 mph |
| Aug | 74° / 65°F | 0.2" | 81% | 13 mph |
| Sep | 73° / 64°F | 1.1" | 81% | 11 mph |
| Oct | 70° / 63°F | 3.0" | 81% | 12 mph |
| Nov | 64° / 57°F | 3.4" | 80% | 13 mph |
| Dec | 60° / 54°F | 2.7" | 82% | 13 mph |
Highlighted: dry and in the 65–86°F band. NASA POWER, Lisbon, Portugal.
Getting there from Omaha
Omaha to LIS, four seasons priced
For a 7-night trip the lowest fare we found from Omaha to LIS was $859 (spring (mid-april), Lufthansa/United) and the highest $1,228 (summer (mid-july)), a $369 swing by season.
Compare all Omaha departuresFlights from Omaha (OMA), lowest found by season
To LIS (Lisbon)$859–$1,228 round trip across the seasons checked
- Winter (mid-January) · Jan 16, 2027–Jan 23, 2027$877Lufthansa + United, 2 stops via ORD/EWR, 14h 53m out, self-transfer
- Spring (mid-April) · Apr 17, 2027–Apr 24, 2027$859Lufthansa + United, 2 stops via ORD/YYZ, 13h 50m out, self-transfer
- Summer (mid-July) · Jul 17, 2027–Jul 24, 2027$1,228American, 2 stops via CLT/PHL, 13h 18m out
- Fall (mid-September) · Sep 18, 2027–Sep 25, 2027$1,072American, 1 stop via PHL, 13h 20m out
Oct–Nov 2027: not published by airlines when checked.
Observed Oct 30, 2026; not quotes. Method.
Safety & entry
Before you go: Level 1 and your passport
U.S. State Department travel advisory
Level 1: exercise normal precautions in Portugal.
Advisory updated 2025-12-22.
Full Portugal advisory · State Dept API, 2026-10-30.
Passport & entry for U.S. citizens
- Passport
- Required. 3 months' validity beyond the date of departure (Schengen)
- “Must have 3 months validity beyond your date of departure.”
- Online entry form
- None today; ETIAS not yet in operation (see etias).
| VisaNo visa for 90 days or less | Blank pages2 blank pages |
Schengen: visa-free up to 90 days in any 180; passport valid 3 months beyond departure (State Dept recommends 6). ETIAS: not yet in operation as of 2026-10-30; re-check before travel. Details and sources.
State Dept Portugal page, guidance December 11, 2025 · form issuer.
Trip story
A traveler's Portugal trip
Ann has featured it: "ALGARVE EXPLORER 7 DAYS IN LAGOS Globus Tour Code: HUP Starting at $2,099 USD per person"
Portugal is where Ann leans on guided tours (Globus and Cosmos) and independent itineraries, depending on how much driving and planning you want. Flights from Omaha to LIS, trains or coach, hotels and the day-by-day come as one plan, booked through InteleTravel.
Real places worth the transfer in Portugal
Pending sourced place data for Portugal.
Portugal questions
Portugal: best month to go?
Is Portugal safe to visit right now?
What do U.S. citizens need to enter Portugal?
How much is a flight from Omaha to Portugal?
From Ann
Want Portugal priced for your dates?
Give Ann your dates and who is coming; she prices the LIS flights, the stay and the transfers.
Photo: Breno Barison / Pexels · Data 2026-10-31 · How we source the numbers