Question 1

Which airport is the most popular layover for flights between San Diego and Washington, D.C. Reagan-National Airport?

Accepted Answer

Detroit (DTW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Question 2

How have San Diego to Washington, D.C. Reagan-National Airport flight prices changed over time?

Accepted Answer

As of December 2025, prices for San Diego to Washington, D.C. Reagan-National Airport flights are approximately 22% more expensive when compared to flights at the same time last year.

Question 3

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

Question 4

How many flights depart from San Diego to Washington, D.C. Reagan-National Airport on average per day?

Accepted Answer

As of December 2025, there are 3 flights per day flying from San Diego to Washington, D.C. Reagan-National Airport. The most common time of day flights depart is 12:00PM, with 78% of flights taking off in the afternoon.

Question 5

How many flights depart from San Diego to Washington, D.C. Reagan-National Airport on average per week?

Accepted Answer

As of December 2025, 21 flights take off from San Diego and land in Washington, D.C. Reagan-National Airport each week. The most common flight departure day for this route is Mon, with 19% of weekly flights taking off on this day.

Question 6

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

Accepted Answer

Our data shows that the cheapest San Diego to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the afternoon. Our users have found flights to Washington, D.C. Reagan-National Airport in the afternoon for as low as $189. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the evening when prices are around $387.

Question 7

Can stopping save me money on San Diego to Washington, D.C. Reagan-National Airport flights?

Accepted Answer

You could potentially save up to 16% on your flight if you consider stops on a San Diego to Washington, D.C. Reagan-National Airport flight.

Question 8

What cabin class options are available on San Diego to Washington, D.C. Reagan-National flights?

Accepted Answer

There are 4 cabin classes available to choose from on San Diego to Washington, D.C. Reagan-National flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 9

What is the cheapest San Diego to Washington, D.C. Reagan-National flight route?

Accepted Answer

Fly from San Diego to Washington, D.C. Reagan-National for the best San Diego - Washington, D.C. Reagan-National flight prices

Question 10

How often are flights from San Diego to Washington, D.C. delayed?

Accepted Answer

Historically, on average around 28% of flights between San Diego and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 140 minutes.

Question 11

What is the most punctual flight time for San Diego to Washington, D.C. flights?

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Question 12

What airlines fly to Washington, D.C. Reagan-National Airport?

Accepted Answer

Frontier, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from San Diego according to our data. Frontier is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 8 different airlines that fly to Washington, D.C. Reagan-National Airport on a routine basis, so you have a few additional options to choose from.

Question 13

How far in advance should I book a flight to Washington, D.C. Reagan-National Airport?

Accepted Answer

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around $355 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from San Diego for as low as $308 on momondo.

Question 14

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

Accepted Answer

The cheapest day to depart from San Diego to Washington, D.C. Reagan-National Airport is on a Thursday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Thursday will often find tickets for as low as $327. Flights from San Diego to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $537. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Question 15

Which layover airport has the shortest travel time from San Diego to Washington, D.C. Reagan-National Airport?

Accepted Answer

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 7h 09m.

Question 16

Which layover airport has the shortest connection time from San Diego to Washington, D.C. Reagan-National Airport?

Accepted Answer

Denver (DEN) has the shortest average layover time for this route: 1h 14m.

Question 17

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

Accepted Answer

The month of August is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from San Diego, with most prices found around $311. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $312.

Question 18

Which layover airport offers the lowest fares from San Diego to Washington, D.C. Reagan-National Airport?

Accepted Answer

Flights via Denver (DEN) offer the lowest average round-trip price of $342.

Question 19

What is the cheapest airline that flies from San Diego to Washington, D.C. Reagan-National?

Accepted Answer

Alaska Airlines is the most popular carrier operating from San Diego to Washington, D.C. Reagan-National

Question 20

Which airline has the best punctuality record on San Diego to Washington, D.C. flights?

Accepted Answer

According to our data, Alaska Airlines have had the least number of delays on this route over the last 12 months; with about 28% of their flights experiencing any sort of delay.

Question 21

When did momondo last update prices for flights from San Diego Airport to Washington, D.C. Reagan-National Airport?

Accepted Answer

Prices for flights from San Diego Airport to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.

Question 22

How many operators does momondo search for flights from San Diego Airport to Washington, D.C. Reagan-National Airport?

Accepted Answer

The number of operators available for flights from San Diego Airport to Washington, D.C. Reagan-National Airport is 8 as of December 2025.

Question 23

How old do you have to be to fly from San Diego Airport to Washington, D.C. Reagan-National Airport?

Accepted Answer

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Washington, D.C. Reagan-National Airport.

Question 24

What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

Accepted Answer

The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best Price Found	$178
Fastest flight time	4h 47m
Direct flights	Every day

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $150	Free Cancellation	Rating 5.8 3,082 reviews	Search Frontier flights
JetBlue	PriceFrom $224	Free Cancellation	Rating 7.2 2,896 reviews	Search JetBlue flights
Alaska Airlines	PriceFrom $237	Free Cancellation	Rating 8.0 11,494 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $256	Free Cancellation	Rating 8.0 4,256 reviews	Search Southwest flights
American Airlines	PriceFrom $256	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights
Hawaiian Airlines	PriceFrom $257	Free Cancellation	Rating 7.8 2,821 reviews	Search Hawaiian Airlines flights
United Airlines	PriceFrom $276	Free Cancellation	Rating 7.4 9,099 reviews	Search United Airlines flights
Delta	PriceFrom $276	Free Cancellation	Rating 7.9 8,017 reviews	Search Delta flights

Cheap flights from San Diego to Washington, D.C. from $129

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What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

What is the cheapest San Diego to Washington, D.C. Reagan-National flight route?

Fly from San Diego to Washington, D.C. Reagan-National for the best San Diego - Washington, D.C. Reagan-National flight prices

How far in advance should I book a flight to Washington, D.C. Reagan-National Airport?

What cabin class options are available on San Diego to Washington, D.C. Reagan-National flights?

There are 4 cabin classes available to choose from on San Diego to Washington, D.C. Reagan-National flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Diego to Washington, D.C. Reagan-National Airport flights?

You could potentially save up to 16% on your flight if you consider stops on a San Diego to Washington, D.C. Reagan-National Airport flight.

How have San Diego to Washington, D.C. Reagan-National Airport flight prices changed over time?

As of December 2025, prices for San Diego to Washington, D.C. Reagan-National Airport flights are approximately 22% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from San Diego to Washington, D.C. Reagan-National?

Alaska Airlines is the most popular carrier operating from San Diego to Washington, D.C. Reagan-National

What airlines fly to Washington, D.C. Reagan-National Airport?

How often are flights from San Diego to Washington, D.C. delayed?

Historically, on average around 28% of flights between San Diego and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 140 minutes.

What is the most punctual flight time for San Diego to Washington, D.C. flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on San Diego to Washington, D.C. flights?

According to our data, Alaska Airlines have had the least number of delays on this route over the last 12 months; with about 28% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between San Diego and Washington, D.C. Reagan-National Airport?

Detroit (DTW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from San Diego to Washington, D.C. Reagan-National Airport?

Flights via Denver (DEN) offer the lowest average round-trip price of $342.

Which layover airport has the shortest travel time from San Diego to Washington, D.C. Reagan-National Airport?

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 7h 09m.

Which layover airport has the shortest connection time from San Diego to Washington, D.C. Reagan-National Airport?

Denver (DEN) has the shortest average layover time for this route: 1h 14m.

How many flights depart from San Diego to Washington, D.C. Reagan-National Airport on average per day?

As of December 2025, there are 3 flights per day flying from San Diego to Washington, D.C. Reagan-National Airport. The most common time of day flights depart is 12:00PM, with 78% of flights taking off in the afternoon.

How many flights depart from San Diego to Washington, D.C. Reagan-National Airport on average per week?

As of December 2025, 21 flights take off from San Diego and land in Washington, D.C. Reagan-National Airport each week. The most common flight departure day for this route is Mon, with 19% of weekly flights taking off on this day.

When to book flights from San Diego to Washington, D.C. Reagan-National Airport

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When did momondo last update prices for flights from San Diego Airport to Washington, D.C. Reagan-National Airport?

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How old do you have to be to fly from San Diego Airport to Washington, D.C. Reagan-National Airport?

What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

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