Flights · Cheap flights
Updated June 2026How to Find Cheap Flights
The honest playbook: which search sites actually find the lowest fares, exactly when to book, and 12 tricks that cut the price of almost any trip.
The short answer
To find cheap flights, start with a metasearch like Aviasales to compare fares across many agencies at once, then stay flexible on dates and airports, set a price alert, and book in the sweet spot — roughly 1–3 months ahead for domestic trips and 2–6 months for international. There’s no magic “cheapest day to buy” — your flexibility matters far more than the day you click purchase.
Key takeaways
- Compare, don’t book on the first site. A metasearch (Aviasales) shows you who’s cheapest; book with whoever wins.
- Flexibility is the biggest lever. Shifting a day or two, or using a nearby airport, often beats any “secret” hack.
- Book in the window, not too early or too late. Very early and last-minute fares are usually the priciest.
- Set price alerts and let fares come to you instead of refreshing daily.
- Do the baggage math on budget airlines — a cheap base fare plus bags can cost more than a full-service ticket.
Where to search
The best sites to find cheap flights
Start with a metasearch to see the whole market, then book direct with the winner. Here’s how the main options compare — including the free tools we use as a price check.
| Site | Best for | What it does | Our rating | |
|---|---|---|---|---|
| AviasalesTop pick | Comparing the whole market | Metasearch — checks dozens of agencies & airlines, sends you to the cheapest to book. | ★★★★★4.7 / 5 | Search |
| Kiwi.com | Creative, cheaper routings | Combines airlines that don’t normally connect (virtual interlining) for routes others miss. | ★★★★★4.3 / 5 | Search |
| Trip.com | All-in-one booking + app deals | Global OTA with app-only fares, 24/7 support and flights, hotels & trains in one place. | ★★★★★4.2 / 5 | Search |
| Google FlightsFree tool | Fast date & price exploring | Lightning-fast calendar and price graph. Great for research; doesn’t sell tickets itself. | ★★★★★Price check | Use to compare |
| SkyscannerFree tool | “Everywhere” + whole-month search | Handy “search everywhere” and cheapest-month views. Another good cross-check before you book. | ★★★★★Price check | Use to compare |
Ratings are our editorial assessment and may change. Google Flights and Skyscanner are free research tools we include for transparency — they aren’t affiliate links.
Aviasales
See the whole market in one search, then book with the cheapest agency or airline.
- Compares dozens of sellers at once
- Flexible-date & price-calendar views
- No booking fee on the search itself
Kiwi.com
Finds cheaper self-transfer routes by mixing airlines that usually don’t connect.
- Often beats fares others can’t build
- Flights + trains + buses together
- Optional guarantee on self-transfers
Trip.com
Big global OTA with app-only prices and round-the-clock customer support.
- App-exclusive fares & coupons
- 24/7 multilingual support
- Book flights, hotels & trains in one app
Timing
When is the cheapest time to book flights?
There’s no single magic day to buy a ticket — modern airline pricing changes constantly. What reliably helps is booking inside the right window and flying on cheaper days. Use this as a rule of thumb, then let a price alert confirm. For the full breakdown of how far ahead to buy and the cheapest days to fly, see our guide on the best time to book flights.
Domestic trips
Book about 1–3 months ahead. Prices are usually steadiest in this window; very early or last-minute tends to cost more.
International trips
Book about 2–6 months ahead — and earlier for peak season, festivals and holidays when seats sell out.
Cheapest days to fly
Tuesday, Wednesday & Saturday departures are often cheaper. Friday and Sunday — when everyone travels — are usually dearest.
The “cheapest day to buy” myth
No day of the week reliably wins for buying. Skip the myth — focus on the window, flexibility and alerts instead.
The playbook
12 proven ways to find cheap flights
No gimmicks — these are the tactics that actually move the price. Stack a few and the savings add up.
Start with a metasearch
Search Aviasales first to see every seller’s price, then book with whoever’s cheapest. Never book blind on one site.
Be flexible with dates
Use the flexible-date or whole-month view. Shifting your trip by a day or two is the single biggest money-saver.
Fly mid-week & off-peak
Tuesday, Wednesday and Saturday departures — and early-morning or late-night flights — are usually cheaper than weekend peaks.
Check nearby airports
A second airport near your origin or destination can be far cheaper. Always price the alternatives before committing.
Book in the sweet spot
Aim for ~1–3 months ahead (domestic) or ~2–6 months (international). Buying too early or too late usually costs more.
Set price alerts
Create an alert for your route and let the deal come to you. It beats refreshing prices every day.
Try self-transfer routings
Tools like Kiwi.com mix airlines that don’t normally connect to build cheaper routes — just allow extra layover time.
Mix one-way tickets
Two one-ways on different airlines can beat a round-trip. Compare it against the return fare before you book.
Do the budget-airline math
Add cabin bags, seat selection and check-in fees to the base fare. Sometimes a “full-service” ticket is actually cheaper.
Travel in shoulder season
The weeks either side of peak season bring big fare (and crowd) drops for nearly the same weather.
Clear cookies or go incognito
Its effect on fares is small and inconsistent — but checking in a private window costs nothing, so it doesn’t hurt.
Watch currency & card fees
Paying in the airline’s local currency and using a no-foreign-fee card can quietly save a few percent on international tickets.
Cheap flights from India
A few extra tactics that work especially well for travellers booking from India.
- Compare international fares on a metasearch before booking direct — agency prices vary a lot.
- Price nearby hub airports (Delhi, Mumbai, Bengaluru, Hyderabad) — a short connection can slash long-haul fares.
- For short-haul Asia & the Gulf, check low-cost carriers (IndiGo, Air India Express, AirAsia) and do the baggage math.
- Avoid peak festival and summer-holiday dates; shoulder months are noticeably cheaper.
- Pay in INR where offered and use a no-forex-markup card to dodge conversion fees.
- Heading to Bali or Dubai? See our Bali and Dubai guides for route & timing tips.
Avoid these
Common cheap-flight mistakes
- Booking on the first site you see, without comparing.
- Ignoring baggage and seat fees on budget fares.
- Chasing a “cheapest day to buy” that doesn’t exist.
- Leaving too little layover time on self-transfer routes.
- Skipping travel insurance on non-refundable tickets.
- Booking too far out and overpaying on early fares.
Keep planning
Sort the rest of your trip
Ready to find your flight?
Run one search across the whole market, set an alert, and book when the price is right.
Search cheap flights on AviasalesAffiliate disclosure: some links above are affiliate links. If you book through them, TrekQuill may earn a commission at no extra cost to you — it helps keep our guides free. We only recommend tools we’d use ourselves. Read our full disclosure.
FAQ
Cheap flights: your questions answered
How far in advance should I book flights?
As a rule of thumb, book domestic trips about 1–3 months ahead and international trips about 2–6 months ahead. Booking earlier for peak season, festivals and holidays is wise because seats sell out, but buying many months early or at the last minute usually costs more. See our best time to book flights guide for the full breakdown.
Is it cheaper to book flights at the last minute?
Usually not for leisure routes. Last-minute fares are typically among the most expensive because airlines know remaining seats are in demand. Genuine last-minute deals exist but are the exception, not a reliable strategy.
What is the cheapest day to buy flights?
There is no reliable “cheapest day” to purchase. Airline prices change constantly, so the day you buy matters far less than your booking window and how flexible you are with dates and airports. Set a price alert instead of waiting for a magic day.
What is the cheapest day to fly?
Mid-week departures — Tuesday and Wednesday — plus Saturday are often cheaper, because fewer people want them. Friday and Sunday, the busiest travel days, tend to be the most expensive.
Which website is best for finding cheap flights?
Start with a metasearch like Aviasales to compare prices across many agencies in one search, then book with the cheapest. Cross-check free tools like Google Flights or Skyscanner, and try Kiwi.com for creative self-transfer routings that can be cheaper.
Do flight prices go up if I search in incognito mode?
Rarely by much — the evidence is mixed and any effect is usually small. Because clearing cookies or using a private window costs nothing, it doesn’t hurt to check, but don’t expect it to be the thing that lands you a cheap fare.