IAD - BOS Price
|
$148 - $252
|
BOS Temperature
|
39.2 - 84.2 °F
|
BOS Rainfall
|
2.8 - 3.9 inches
|
Popular in November High demand for flights, 17% potential price rise |
Cheapest in August Best time to find cheap flights, 29% potential price drop |
Round-trip from $148 From Washington Dulles Intl to Boston |
One-way from $67 One-way flight from Washington Dulles Intl to Boston |
It’s generally more expensive to depart on a Friday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.
Travelers have found it’s best to book a flight 20 days in advance to save up to 25% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 20 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington Dulles Intl to Boston 1-2 weeks in advance for as low as $185, or $243 for flights within the next 24 hours.
August can be a great time to fly to Boston from Washington Dulles Intl with a flight ticket averaging about $206. Cheapflights users have found deals in the month of August for as cheap as $50. The most expensive prices can be found in the month of December.
It’s optimal to fly from Washington Dulles Intl to Boston at noon. By choosing this option you can save up to 46% on the cost of your flight, compared to a flight in the afternoon.
The chart below displays the airlines Cheapflights users traveling from Washington Dulles Intl to Boston choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline | Cheapest | Average | Flexibility | On-time | COVID-19 safety | |
---|---|---|---|---|---|---|
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$70 | $154 | No cancel fee | 65% | ||
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$74 | $222 | No cancel fee | N/A | ||
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$77 | $230 | No cancel fee | 71% | ||
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$80 | $246 | No cancel fee | 62% | ||
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$146 | $286 | No cancel fee | 69% |
Afternoon Noon to 6 PM | 81% of IAD to BOS departures |
Morning 6 AM to noon | 18% of IAD to BOS departures |
Early morning Midnight to 6 AM | 1% of IAD to BOS departures |
Evening 6 PM to midnight | 0% of IAD to BOS departures |