SYD - BOS

$535 Find Cheap Flights from Sydney to Boston

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sydney to Boston departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Boston

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sydney to Boston, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sydney to Boston, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Sydney to Boston (SYD-BOS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Sydney to Boston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Sydney to Boston

Sun, Aug 3 - Tue, Aug 19
 Logo
4:20 pm - 5:36 amSYD-BOS
27h 16m2 stops
 Logo
8:00 am - 2:40 pmBOS-SYD
40h 40m1 stop
$1,057
Find Deal
Fri, Aug 1 - Tue, Aug 19
 Logo
4:20 pm - 5:36 amSYD-BOS
27h 16m2 stops
 Logo
8:00 am - 2:40 pmBOS-SYD
40h 40m1 stop
$1,080
Find Deal
Sun, Aug 3 - Thu, Aug 14
 Logo
4:20 pm - 5:36 amSYD-BOS
27h 16m2 stops
 Logo
8:00 am - 2:40 pmBOS-SYD
40h 40m1 stop
$1,103
Find Deal
Fri, Aug 1 - Tue, Aug 19
 Logo
4:20 pm - 5:36 amSYD-BOS
27h 16m2 stops
 Logo
8:00 am - 2:40 pmBOS-SYD
40h 40m1 stop
$1,105
Find Deal
Mon, Aug 4 - Sun, Aug 31
Air New Zealand Logo
9:55 am - 7:33 amSYD-BOS
35h 38m2 stops
Air New Zealand Logo
7:30 am - 8:45 amBOS-SYD
35h 15m2 stops
$1,126Air New Zealand
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Wed, Sep 24 - Wed, Oct 8
American Airlines Logo
9:10 am - 5:07 pmSYD-BOS
21h 57m1 stop
American Airlines Logo
8:01 am - 8:05 amBOS-SYD
33h 04m1 stop
$1,163American Airlines
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Fri, Aug 8 - Fri, Aug 15
American Airlines Logo
9:10 am - 6:52 amSYD-BOS
35h 42m1 stop
American Airlines Logo
6:16 pm - 6:55 amBOS-SYD
22h 39m1 stop
$1,167American Airlines
Find Deal
Thu, Sep 25 - Wed, Oct 8
United Airlines Logo
10:20 am - 11:57 pmSYD-BOS
27h 37m1 stop
United Airlines Logo
7:30 am - 8:00 amBOS-SYD
33h 30m1 stop
$1,192United Airlines
Find Deal
Sat, Aug 2 - Fri, Aug 15
United Airlines Logo
9:30 am - 6:56 pmSYD-BOS
23h 26m2 stops
United Airlines Logo
4:27 pm - 7:00 amBOS-SYD
24h 33m2 stops
$1,288United Airlines
Find Deal
Tue, Jul 29 - Sat, Aug 16
Delta Logo
9:25 am - 10:42 pmSYD-BOS
27h 17m2 stops
Delta Logo
3:25 pm - 6:35 amBOS-SYD
25h 10m2 stops
$1,299Delta
Find Deal
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KAYAK's insights & trends for Sydney to Boston flights

Get data-powered insights and trends into flights from Sydney to Boston to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Sydney to Boston?

The average price of all round-trip flights from Sydney to Boston clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Sydney to Boston, look for departures on Thursdays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from Boston, Wednesday is the cheapest day to fly and Saturday is the most expensive.

What is the cheapest month to fly from Sydney to Boston?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Sydney to Boston, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Sydney to Boston is February, where tickets cost $1,203 (return) on average. On the other hand, the most expensive months are December and April, where the average cost of round-trip tickets is $1,662 and $1,606 respectively.

How far in advance should I book a flight from Sydney to Boston?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Sydney to Boston, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Sydney to Boston, you should book around 5 weeks before departure. For the absolute cheapest price, our data suggests you should book 15 weeks before departure.

Good to know

Low seasonFebruary
High seasonDecember
Cheapest flight$535
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly with an average 22% increase in price.
Flight from Sydney to Boston

When to book flights from Sydney to Boston

Are your dates flexible? Find out the best times to travel from Sydney to Boston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Sydney to Boston

  • Is there an airport lounge I can use at Sydney Airport while I wait to board my flight?

    Yes; whichever terminal you're flying from, there will be an airport lounge within easy walking distance of your gate at Sydney Airport. It has around a dozen lounges spread across all of its passenger terminals, clustered mostly in terminal 1 (the airport's busiest terminal). Some of these lounges are airline lounges, which you may be able to access with your ticket depending on which airline and ticket class you choose, and some are pay-per-access. Tickets to Sydney Airport's Plaza Premium Lounge start at around A$ 40 per person for a 3h slot. You'll be able to enjoy premium food, a wide variety of free beer, liquor, wine, and non-alcoholic beverages, and more tranquil conditions than the busy terminal.

  • How should I travel to central Boston from Boston Airport?

    There's a free shuttle bus called the Silver Line Bus (SL1), which will take you from your terminal to South Station in central Boston. The journey takes around 25-30min, and from there you can easily transfer wherever you need to go in Boston, as South Station has a metro stop on the red line, which connects to all of Boston's other subway lines. If you have a lot of luggage or would just rather be dropped off at your door, you can get a taxi; it'll cost about $25-30 (A$ 33-38) and should take under 20min, depending on traffic conditions. You can get the shuttle bus or catch a taxi from bus stops and taxi ranks directly outside every terminal.

  • What is the cheapest flight from Sydney to Boston?

    In the last 3 days, the lowest price for a flight from Sydney to Boston was $535 for a one-way ticket and $1,057 for a round-trip.

  • Do I need a passport to fly between Sydney and Boston?

    Yes, you’ll need a passport to travel to Boston from Sydney.

  • Which aircraft models fly most regularly from Sydney to Boston?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Sydney to Boston?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Sydney and Boston, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from Sydney to Boston, Delta or Qantas Airways?

    The two airlines most popular with KAYAK users for flights from Sydney to Boston are Delta and Qantas Airways. With an average price for the route of $1,700 and an overall rating of 8.0, Delta is the most popular choice. Qantas Airways is also a great choice for the route, with an average price of $1,373 and an overall rating of 7.5.

  • How does KAYAK find such low prices on flights from Sydney to Boston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sydney to Boston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sydney to Boston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Sydney is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Sydney to Boston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to Sydney with another airline. Booking your flights between Sydney and BOS can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sydney to Boston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from Sydney up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Sydney to Boston

  • If you're leaving your car at Sydney Airport (SYD) while you're away, you can park in car park P7, adjacent to the international terminal. The walk to the terminal takes around 2–5min. Prices start at approx. A$ 20 daily, but if you book in advance, you'll be more likely to get a better deal.
  • Boston Airport (BOS) has a huge variety of hotels nearby and even includes two on-site hotels; the Hilton Boston Logan Airport and the Hyatt Regency Harborside are both on the premises at Boston Airport.
  • From Sydney, you can get a train to the airport for around A$ 18.50; the train takes about 13min from the centre of the city. You can also hop in a taxi for approx. 20min (depending on traffic), which will cost about A$ 50.

Reviews of the top 5 airlines serving from Sydney to Boston

 
See real verified KAYAK customer reviews for airlines flying from Sydney to Boston. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Sydney to Boston? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 7956 reviews
8.5Crew
8.2Boarding
7.9Entertainment
7.9Comfort
7.3Food
Airline reviews

Everything was good until we were boarding our connection flight in Atlanta, we were told to gate check our carry-on, but when we got inside the plane, there was plenty of room in the overhead.

8.0 ExcellentFernando, Jul 2025AUS - ATL
Read more Delta reviews

Everything was good until we were boarding our connection flight in Atlanta, we were told to gate check our carry-on, but when we got inside the plane, there was plenty of room in the overhead.

Did not know my son and I had different seating arrangements. He was fine, but it was disappointing.

Flight was canceled, and no effort was made to help with rebooking, no hotel vouchers, no car transportation and minimal food voucher and most places for food were closed by the time the voucher was given. Waited for 3 hours for bags. Simply the worst travel experience I have ever had

Our flight was canceled after several delays. No hotel vouchers offered, minimal help for resolution leave me ultimately to cancel and book on an other airline. Then waited to get bags for more than 3 hours This whole experience has been awful!!!

Food was surprisingly good but the WiFi was not great

this crew didn't care much. bumping carts into seats more times than i care to remember

Very late arrival at PWM. Late jet getting to ATL. Equipment problem with aircraft - could not get enough water onto plane., Another delay getting FAA approval for flight with bottled H2O. Not the crew’s problem.

Everything was fine except the entertainment was not working for half of the flight.

Easy boarding with an extremely kind attendant. Seats were spacious and we had 3 seats for 2 people so we could stretch out. Comfortable air flow and very attentive and hospital attendants. Bathrooms and food were the only negative. Bathrooms were so small you could hardly get in and close the door. I don’t think an obese person would fit or a person with a movement disability. Food was the trending food for flights, nonexistent. We spent $40 getting sandwich and snack at airport for our 6 hour flught.

At first, we were on the runway for about an hour, literally. The Captain did explain that the Control Tower just had a change shift (sounds like an unrealistic excuse) and then that we had to change a runway. A regular economy seat is made for 12 yo twiggy. I understand Delta wants to push for an upgrade, but after sitting in a Comfort seat and in First class. I would say First class is not worthy of my money. The landing was delayed because of the weather in NYC, I don't hold that against Delta, of course. The Captain did alert us to that upon takeoff in Vegas and again as we reached NY.

One of the oldest most uncomfortable "lay down" seats I've ever experienced. Old plane and old seats that don't lay flat. The seat back does not even recline - at all. Instead the legrest awkwardly extends to fill the gap between a small cubby into which you must insert your feet/legs. I am 5' 11" and could not lay straight but had to tuck my knees. Ticket was also very expensive. Would not recommend flying business/first on Finair from Melbourne to Bangkok and will not do so again myself.

The wifi was out. Otherwise it was great flight. Richard, as CSM, was excellent.

Traditional economy class. Not a full flight so spare seats. Food and drinks were good

Was bumped to a later flight because of inefficiency on part of the airline.

Inflight entertainment, poor that there are no headrest screens on aircraft used for an international flight.

The Emerits/Qantas flight was cancelled to Wellington. We need a refund. Had to buy another airline ticket. How do we get the refund. Still not in Wellington.

Delayed QF59 flight once again, Qantas doesn't fail in maintaining there delayed departures and arrivals. USB points do not work nor do the power point sockets on the plane, Qantas staff admitted that on the flight. Don't expect to your charge devices. Saving grace, was the ice cream. Bottom line, if you expect to fly to HND and make it on time avoid Qantas and if you're interested in ice cream - visit 7/11.

Pretty excellent. I don’t know what the pilot could have done better with the bumping ( there was a storm) nor what happened to my ears coming down into bendigo. It doesn’t happen coming down into Sydney just the return flight. I wonder why?

Touch screens were very difficult to use, generally being laggy and unresponsive- it was quite an art to get it to play the thing you wanted rather than some thing at random. Selection of films and Tv was good when touchscreen decided to finally respond.

Their aircraft are old and amenities lack way behind other international carriers leaving from BNE. Even in economy

4.5 hr international flight. We got a glass of water. Ranks up there with Ryan Air, Easy Jet, Spirit and Frontier. Expected better.

Gluten free options less explicit on business class, but great service

Very good… seems the virgin staff particularly in the lounge and in flight exceeded expectations.

I liked everything about the experience but would have liked some free snacks!

Crew was great but flight was delayed almost three hours due to a technical issue and we had to go back to the terminal and wait for another one.

Being told why we delayed three hours and not even given an apology by someone. Not a word. Not my airline of choice ever.

Checked Baggage line up was long but moved quickly, rest of the process, boarding, crew was excellent

Virgin has always provided a smooth and comfortable flight. This one was no different. Seats are comfortable. Staff are great. This is my favourite airline.

Virgin changed the flight to an Alliance flight. Smaller plane, tea coffee and water the only refreshments available and not sure what happened to the extra money I paid to sit in a selected seat with extra leg room. This is obviously a regular switch as it happened on our flight there and back. Do not recommend.

Late boarding, late departure due to weather and slow boarding, packed 5+hour flight, only 2 toilets for main cabin, tight leg room, no free food except tea, coffee, and water, arrived 75 minutes late.

United sent me a mileage plus number last year but that number is invalid so I can’t use it to check into flights or collect mileage. There is human to speak about the problem, only computers who keep asking me if I am using the correct email. It’s so frustrating and I cannot resolve it.

It was delayed instead of departing at 9:20pm, we departed at 11pm… putting us in Columbus after 2am! It was awful. Had I known about the delay, I could have spent some time in the United Lounge… I was starving because I started my journey in Budapest… so I was exhausted and hungry. Plus I had to make new arrangements to be picked up at the airport in Columbus, instead of midnight it was 2:30 am after getting luggage and out of airport. Not feasible. I would have just stayed in Chicago for the night and gotten a morning flight.

1.It will be better if sandwich is warm. 2.The food is too salty. 3.Breakfast needs some vegetables or fruits.

Not a great experience. We paid for the upgrade for premium economy seats and seated ourselves in very comfortable seats. Someone came along with the same seat on their boarding pass. The aircraft had been changed and as a result we were booted out and sent further back to small uncomfortable seats. After complaining we were moved to emergency row seats, which gave us more leg room but the seats don’t recline. For people in our 70’s we found having to sit upright from California to NJ very uncomfortable. Not sure why they chose to move senior citizens instead of the two people that were allowed to take the more comfortable seats. Not happy.

I liked the choice of lemon ginger tea. I think stewardesses can be more considerate of older people needs.

I would have liked an opportunity to move to a different seat ( even would have checked in my hand luggage)as I had health issues where I didn't have to clamber over the passenger next to me to for toilet use/ movement [ She was a highly unpleasant neighbor to sit next to]. In addition, I found that my European phone plan had run out of data and so I was not receiving emails from yourselves on airport wifi to be able to check in online and verifications difficult as did not accept the ticket number I had. I asked for an extra blanket but was told there was none. Then I saw other passengers receiving them. I couldn't eat the food and asked for snacks : Stewardess said " on the way" but they did not bring. The best bit was the check in process in Lisbon. Very efficient. However, I did not understand why we had to collect our bags at Washington then go through customs again. It was not explained. I also with my leg and health issue had approximately mile walk to the gate ( which then changed) . There appeared to be no moving walkways or help provided.

More racist flight attandants maybe because i sm an attracticted darkskin latino man but once again bad flight attamdants they ignored me the whole flight even the woman sitting next to me notice how rude they were towards me i really never want to fly united or american airlines they alawsys have the rudesslt and racist flight attandants

It was great, I’m very grateful for the pilots and crew flight attendants for everything.

Everything was great. Only thing that could’ve made it better was buy on board options for hot food, but the snacks were decent. The flight attendants were great. I had no complaints. I was able to make it to my destination safely

We loved the United lounge near our gate and a rep named Aimee who was GREAT

Flight delays numerous times. Everytime we would get close to boarding it would be delayed again. Strung along the entire time.

After a two hour delay, my flight was CANCELLED! No pilot available. Such BS.

Overall very good, only complaint I have is the crew from CLT to SAT could have collected trash sooner.

The AA app really sucks ... Every flight & connecting flights were delayed over 30 mins. One connecting flight on American Eagle said it was delayed in its arrival ... when it was actually parked across from the gate for over 1 hr before they pulled it to the gate. Seats in the economy/ main cabin are packed together like sardines ... no leg room.

Initial flight was cancelled at the time of arrival to the airport, flight alternative requires switching from direct to flight with a layover, and the plane felt like it would split apart, it was so rattle-y.

Amazing food, great staff, with one noticable detail missing ...but no seat entertainment in any of aircraft ...I am not a fan

AA re-routed flight from HNL to LAX due to delay. My group of 3 with reserved seats in row 9 was broken up, with one assigned to a middle seat, another in the last row of the plane. Not happy. No explanation to the delay. No apologies. No compensation. Would have been nice to be offered an Admiral Club admission or a voucher for the extra 3 hours of layover in LAX. Could not hear the boarding gate announcements in LAX. Adjacent gate was boarding at the same time. Loud speakers were competing against each other. Barely made my boarding group.

Boarding gate in Honolulu was staffed with a great clerk with a soothing voice despite the flight delay of over an hour. Flight attendants in the plane were all grumpy, not pleasant looking bunch. Their sour attitude showed throughout the flight. Inly able to get a select few movies started. Most of the movie links in the “free entertainment” did not work.

Above and beyond effort from this crew in a tough situation. So helpful and understanding. Thank you!

I flew Business Class. Rory, one of the Cabin stewards, was attentive, explained the menu, provided appropriate drinks. was

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