How to Find Cheap Flights from USA to Europe

Book flights 2-8 weeks in advance for summer travel, 1-3 months for off-season. Use Tuesday-Thursday departures, consider budget carriers, and be flexible with dates and airports. Expect to pay $400-800 roundtrip depending on season and destination.

  1. Set up flight alerts 6-8 weeks before travel. Use Google Flights, Scott's Cheap Flights, or Hopper to track prices for your route. Set alerts for multiple departure airports if you live near several (NYC area has JFK, LGA, EWR). Track both your exact dates and flexible date ranges.
  2. Target Tuesday-Thursday departures. Flights departing Tuesday through Thursday cost 15-25% less than weekend departures. Avoid Sunday returns - Saturday returns are often cheaper. Red-eye flights save $50-150 but factor in exhaustion costs.
  3. Compare budget vs legacy carriers. Norse Atlantic, PLAY, and Icelandair offer $300-500 roundtrip deals but charge for everything extra. Major carriers (United, Delta, Lufthansa) include bags and meals but cost $600-900. Budget carriers work if you pack light and bring snacks.
  4. Book connecting flights strategically. Reykjavik (KEF) and Dublin (DUB) connections often cost $100-200 less than direct flights. Allow 2+ hour layovers for international connections. Consider booking two separate tickets only if you have 4+ hours between flights.
  5. Use the 24-hour rule and error fares. US law requires airlines to hold reservations for 24 hours or allow free cancellation. Book immediately when you see a good price, then compare for 24 hours. Follow Secret Flying and Scott's Cheap Flights for mistake fares.
Should I book flights and hotels together?
Usually no. Package deals rarely save money on USA-Europe routes. Book flights first, then find accommodation separately for better prices and flexibility.
Are budget carriers worth the savings?
Yes, if you pack light and don't mind basic service. You'll save $200-400 but pay extra for bags, food, and seat selection. Good for trips under 10 days with minimal luggage.
When do summer flight prices peak?
Prices jump in April for June-August travel. Book by March for best summer deals. Prices are highest 2-3 weeks before departure when business travelers book.
Is it cheaper to fly into London or continental Europe?
London often has the most flight options and competition, leading to lower prices. But factor in higher UK accommodation costs. Amsterdam, Frankfurt, and Paris are good alternatives with competitive pricing.