Boston to Istanbul flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Boston to Istanbul is €294 (checked on 9 Nov 2026).
Your next trip, last seen at €294
When to fly
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Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- 14 Apr€294
- 15 Apr€355
- 18 Apr€318
- 19 Apr€318
- Lowest observed
- €294, departing 14 Apr 2027 (Last checked: 9 Nov 2026)One-way fare · Priced departure days checked in the last 14 days: 75Check live prices for this route
- Round trip
- €665, departing 3 Jan 2027, back 14 Jan 2027 (Last checked: 14 Nov 2026)
- Airlines seen
- JetBlue, Turkish Airlines, Aer Lingus, Air Canada, Air France, AJet, British Airways, Etihad Airways, Finnair, Frontier Airlines, Iberia, Icelandair, ITA Airways, KLM, Lufthansa, Pegasus Airlines, Porter Airlines Canada, Qatar Airways, Ryanair, SAS, Swiss, TAP Air Portugal, United Airlines, Virgin Atlantic (24)
- Fastest observed flight time
- 9h 20m
- Non-stop
- Yes
About this route
Explore the fares we observed from Boston to Istanbul. Prices move often, so pick your dates to see the latest options.
- Route distance
- 7,764 km
- Fastest observed flight time
- 9h 20m
- Airlines seen
- JetBlue, Turkish Airlines, Aer Lingus, Air Canada, Air France, AJet, British Airways, Etihad Airways, Finnair, Frontier Airlines, Iberia, Icelandair, ITA Airways, KLM, Lufthansa, Pegasus Airlines, Porter Airlines Canada, Qatar Airways, Ryanair, SAS, Swiss, TAP Air Portugal, United Airlines, Virgin Atlantic (24)
- Alternative airports
- PSM, SAW
Route-level information; individual journeys vary.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- Portsmouth International Airport at Pease (PSM) → Boston, city gazetteer reference point (42.3584, -71.0598): ≈ 82 km.
- Sabiha Gökçen Airport (SAW) → Istanbul, city gazetteer reference point (41.0082, 28.9784): ≈ 30 km.
- Istanbul Airport (IST) → Istanbul, city gazetteer reference point (41.0082, 28.9784): ≈ 35 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest departure day we saw in April 2027 from Boston to Istanbul: 14 Apr 2027, €294 (checked 9 Nov 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| November 2026 | €308 | 15 |
| December 2026 | €337 | 29 |
| January 2027 | €308 | 13 |
| March 2027 | €314 | 13 |
| April 2027 | €294 | 4 |
Lowest fare by day of the week
Cheapest Wednesday departure we saw from Boston to Istanbul: 14 Apr 2027, €294 (checked 9 Nov 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €308 | 12 |
| Tuesday | €312 | 10 |
| Wednesday | €294 | 13 |
| Thursday | €326 | 11 |
| Friday | €326 | 10 |
| Saturday | €326 | 8 |
| Sunday | €314 | 11 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Observed fares by departure date
| Departure | Fare | Seen on |
|---|---|---|
| €319 | 8 Nov 2026 | |
| €334 | 7 Nov 2026 | |
| €466 | 14 Nov 2026 | |
| €585 | 10 Nov 2026 | |
| €654 | 10 Nov 2026 | |
| €570 | 10 Nov 2026 | |
| €382 | 10 Nov 2026 | |
| €342 | 10 Nov 2026 | |
| €361 | 14 Nov 2026 | |
| €371 | 7 Nov 2026 | |
| €343 | 14 Nov 2026 | |
| €343 | 14 Nov 2026 | |
| €343 | 14 Nov 2026 | |
| €343 | 14 Nov 2026 | |
| €308 | 11 Nov 2026 | |
| €375 | 9 Nov 2026 | |
| €383 | 9 Nov 2026 | |
| €337 | 11 Nov 2026 | |
| €408 | 13 Nov 2026 | |
| €294 | 9 Nov 2026 |
One-way fares. Each row is one price we saw for that departure day on the date shown, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Boston to Istanbul by days until departure (61 days or more): €294 (checked 9 Nov 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 0 to 7 days | €319 | 6 |
| 8 to 30 days | €308 | 22 |
| 31 to 60 days | €308 | 27 |
| 61 days or more | €294 | 20 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Boston to Istanbul: Air Canada, €306 (checked 6 Nov 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Air Canada | €306Mar 28, 2027 | 8 |
| Lufthansa | €323Mar 29, 2027 | 30 |
| KLM | €334Feb 25, 2027 | 9 |
| Icelandair | €337Jan 24, 2027 | 4 |
| Air France | €344Feb 6, 2027 | 5 |
| JetBlue | €385Jan 11, 2027 | 6 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Boston to Istanbul?
The lowest fare Routavio has observed is €294, found on 9 Nov 2026.
Are there direct flights from Boston to Istanbul?
Yes. Published schedules report non-stop flights on this route with JetBlue, Turkish Airlines.
Which airlines fly from Boston to Istanbul?
Routavio has seen these carriers on the route: JetBlue, Turkish Airlines, Aer Lingus, Air Canada, Air France, AJet, British Airways, Etihad Airways, Finnair, Frontier Airlines, Iberia, Icelandair, ITA Airways, KLM, Lufthansa, Pegasus Airlines, Porter Airlines Canada, Qatar Airways, Ryanair, SAS, Swiss, TAP Air Portugal, United Airlines, Virgin Atlantic (24).
How long does the flight from Boston to Istanbul take?
Across the 71 fares Routavio observed, the average journey time is 18h 47m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Boston to Istanbul fares were non-stop?
2 of the 110 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
How much is a round trip from Boston to Istanbul?
Cheapest round trip: €665, departing 3 Jan 2027, back 14 Jan 2027 (checked 14 Nov 2026).
When is the cheapest month to fly from Boston to Istanbul?
Cheapest departure day we saw in April 2027 from Boston to Istanbul: 14 Apr 2027, €294 (checked 9 Nov 2026).
Which day of the week is cheapest from Boston to Istanbul?
Cheapest Wednesday departure we saw from Boston to Istanbul: 14 Apr 2027, €294 (checked 9 Nov 2026).
Which airline has the lowest fare from Boston to Istanbul?
Cheapest airline from Boston to Istanbul: Air Canada, €306 (checked 6 Nov 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.