What is the cheapest month to fly to the USA from Europe?

January through March offers the lowest transatlantic fares, often 40–50% below summer prices. November (excluding Thanksgiving week) is also affordable. For the best value, combine off-peak fares with shoulder-season weather by flying in late April–May or September.

How bad is jet lag flying to the US?

From Europe (5–8 hours westward), expect 2–4 days of adjustment — relatively mild since westward travel is easier. From Asia (12–17 hours), it's among the most severe jet lag possible — plan 6–8 days. From South America (1–3 hours), jet lag is minimal.

Do I need a visa to visit the USA?

Citizens of 41 countries (including most of Europe, Japan, Australia, and South Korea) can visit visa-free for up to 90 days under the Visa Waiver Program (VWP), but must apply for ESTA authorization at least 72 hours before travel. All other nationalities need a B1/B2 visitor visa.

Which US airport should I fly into?

For the East Coast: JFK or Newark (NYC area) have the most international connections. For the West Coast: LAX (Los Angeles) or SFO (San Francisco). For the South: MIA (Miami) or ATL (Atlanta, the world's busiest airport). ATL, ORD (Chicago), and DFW (Dallas) are the best domestic connecting hubs.

Destinations10 min readUpdated March 2026

🇺🇸Best Time to Fly to the USA: Coasts, Seasons & Time Zone Survival

The USA spans 4 mainland time zones and every climate imaginable. Plan your trip with this guide to regional seasons, flight pricing, and managing up to 12 hours of jet lag.

A Country of Four Time Zones and Every Climate

The contiguous United States spans four time zones — Eastern (UTC-5), Central (UTC-6), Mountain (UTC-7), and Pacific (UTC-8) — plus Alaska (UTC-9) and Hawaii (UTC-10). This means flying from London to New York crosses 5 time zones, while London to Los Angeles crosses 8. The same trip from Tokyo crosses 14 or 17 zones respectively.

Climate varies just as dramatically: subtropical beaches in Florida and Hawaii, alpine skiing in Colorado and Utah, desert heat in Arizona, and arctic conditions in Alaska. New York swings from -10°C in January to 35°C in August, while San Francisco sits at a mild 12–20°C year-round. Your ideal travel window depends entirely on your destination within the US.

Region-by-Region Best Times

Here's when to visit each major US region for the best weather and value:

•Northeast (NYC, Boston, Washington DC): May–June and September–October. Spring brings cherry blossoms in DC; autumn offers legendary New England foliage. Summers are hot and humid; winters are cold with frequent snowstorms. Peak hotel prices: September–October (foliage), December (holidays).
•West Coast (LA, San Francisco, Seattle): Year-round for Southern California. San Francisco is best June–October (summer fog clears by late morning). Seattle and Portland: July–September is the dry season and dramatically better than the rainy winter months.
•Florida & Southeast: November–April for pleasant warmth (20–28°C) without summer humidity and hurricane risk. Summer (June–September) is hot, humid, and hurricane season — but prices drop 30–40%.
•Mountain West (Colorado, Utah, Montana): June–September for hiking and national parks. December–March for skiing. Shoulder months (May, October) are uncrowded but some high-altitude roads may be closed.
•Hawaii: Year-round destination. December–March is whale season and slightly rainier. April–June and September–November offer the best combination of weather, prices, and fewer crowds. Summer (July–August) is peak pricing.

Flight Pricing Patterns

Transatlantic fares (Europe → US) follow a clear cycle: cheapest January–March and November, most expensive June–August and late December. From London, round-trip economy to New York ranges from £300 off-peak to £800+ in summer. West Coast cities add £100–200. Budget carriers like Norse Atlantic and PLAY offer sub-£250 fares in low season.

From Asia-Pacific, the US West Coast is closer and cheaper: Tokyo–LA round trips range from ¥80,000–150,000 ($550–1,000). From Australia, expect AUD $1,200–2,000 depending on season. The cheapest trans-Pacific period is February–March and late October–November.

Domestic US flights are generally affordable — JFK to LAX ranges $150–400 one-way. Southwest, JetBlue, and Spirit offer the lowest base fares. Tuesday/Wednesday departures save 15–25% on most routes.

The US has no national train network comparable to Europe or Japan. Domestic flights or car rentals are essential for inter-city travel. Book domestic connections separately from your international flight for more flexibility and often lower total cost.

Managing US Time Zones and Jet Lag

From Europe, the 5–8 hour westward shift to the US is relatively manageable — most travelers adjust in 2–4 days. You'll feel energetic in the morning (your body thinks it's afternoon) and crash early in the evening. Use this to your advantage: schedule important activities for morning hours during your first few days.

From Asia and Oceania, the eastward journey to the US crosses 12–17 time zones — among the most jet-lag-inducing routes globally. Many experienced travelers break the journey with a Hawaii stopover (splitting the time zone shift) or choose transpacific routes via the International Date Line, arriving 'the same day' they departed.

Within the US, coast-to-coast travel (3 hours) produces mild jet lag that most people underestimate. A New York business traveler flying to LA for a 9 AM meeting is effectively presenting at 6 AM body time — plan accordingly.