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162 € Cheap Flights from Knoxville to Baltimore Washington International

Compare Knoxville to Baltimore Washington International flight deals

Find the cheapest month or even day of the year to fly to Baltimore Washington International

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Flight deals from Knoxville to Baltimore Washington International

Looking for a cheap last-minute deal or the best return flight from Knoxville Airport to Baltimore Washington International Airport? If you want to travel next month, return fares start from 169 €. Find the lowest prices on one-way and return tickets right here.
Washington D.C..162 € per passenger.Departing Sat, 5 Dec, returning Sat, 12 Dec.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Knoxville on Sat, 5 Dec, arriving in Baltimore Washington International.Inbound direct flight with Southwest Airlines departs from Baltimore Washington International on Sat, 12 Dec, arriving in Knoxville.Price includes taxes and charges.From 162 €, select.
Washington D.C..169 € per passenger.Departing Mon, 31 Aug, returning Wed, 2 Sep.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Knoxville on Mon, 31 Aug, arriving in Baltimore Washington International.Inbound direct flight with Southwest Airlines departs from Baltimore Washington International on Wed, 2 Sep, arriving in Knoxville.Price includes taxes and charges.From 169 €, select.
Washington D.C..169 € per passenger.Departing Tue, 1 Sep, returning Tue, 1 Sep.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Knoxville on Tue, 1 Sep, arriving in Baltimore Washington International.Inbound direct flight with Southwest Airlines departs from Baltimore Washington International on Tue, 1 Sep, arriving in Knoxville.Price includes taxes and charges.From 169 €, select.
Washington D.C..178 € per passenger.Departing Thu, 1 Oct, returning Tue, 6 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Knoxville on Thu, 1 Oct, arriving in Baltimore Washington International.Inbound indirect flight with Delta, departs from Baltimore Washington International on Tue, 6 Oct, arriving in Knoxville.Price includes taxes and charges.From 178 €, select.
Washington D.C..189 € per passenger.Departing Fri, 16 Oct, returning Mon, 19 Oct.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Knoxville on Fri, 16 Oct, arriving in Baltimore Washington International.Inbound direct flight with Southwest Airlines departs from Baltimore Washington International on Mon, 19 Oct, arriving in Knoxville.Price includes taxes and charges.From 189 €, select.
Washington D.C..192 € per passenger.Departing Sun, 27 Sep, returning Thu, 1 Oct.Return flight with Allegiant Air and Frontier Airlines.Outbound indirect flight with Allegiant Air, departs from Knoxville on Sun, 27 Sep, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Thu, 1 Oct, arriving in Knoxville.Price includes taxes and charges.From 192 €, select.
Washington D.C..197 € per passenger.Departing Wed, 11 Nov, returning Thu, 12 Nov.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Knoxville on Wed, 11 Nov, arriving in Baltimore Washington International.Inbound direct flight with Southwest Airlines departs from Baltimore Washington International on Thu, 12 Nov, arriving in Knoxville.Price includes taxes and charges.From 197 €, select.
Washington D.C..205 € per passenger.Departing Mon, 24 Aug, returning Tue, 25 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Knoxville on Mon, 24 Aug, arriving in Baltimore Washington International.Inbound indirect flight with Delta, departs from Baltimore Washington International on Tue, 25 Aug, arriving in Knoxville.Price includes taxes and charges.From 205 €, select.
Washington D.C..208 € per passenger.Departing Fri, 28 Aug, returning Fri, 28 Aug.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Knoxville on Fri, 28 Aug, arriving in Baltimore Washington International.Inbound direct flight with Southwest Airlines departs from Baltimore Washington International on Fri, 28 Aug, arriving in Knoxville.Price includes taxes and charges.From 208 €, select.
Washington D.C..233 € per passenger.Departing Wed, 25 Nov, returning Wed, 2 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Knoxville on Wed, 25 Nov, arriving in Baltimore Washington International.Inbound indirect flight with Southwest Airlines, departs from Baltimore Washington International on Wed, 2 Dec, arriving in Knoxville.Price includes taxes and charges.From 233 €, select.
Washington D.C..255 € per passenger.Departing Sun, 10 Jan, returning Thu, 14 Jan.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Knoxville on Sun, 10 Jan, arriving in Baltimore Washington International.Inbound indirect flight with Southwest Airlines, departs from Baltimore Washington International on Thu, 14 Jan, arriving in Knoxville.Price includes taxes and charges.From 255 €, select.
Washington D.C..303 € per passenger.Departing Wed, 31 Mar, returning Mon, 5 Apr.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Knoxville on Wed, 31 Mar, arriving in Baltimore Washington International.Inbound indirect flight with Southwest Airlines, departs from Baltimore Washington International on Mon, 5 Apr, arriving in Knoxville.Price includes taxes and charges.From 303 €, select.
Washington D.C..310 € per passenger.Departing Tue, 24 Nov, returning Sat, 2 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Knoxville on Tue, 24 Nov, arriving in Baltimore Washington International.Inbound indirect flight with Delta, departs from Baltimore Washington International on Sat, 2 Jan, arriving in Knoxville.Price includes taxes and charges.From 310 €, select.
Washington D.C..389 € per passenger.Departing Sat, 6 Mar, returning Fri, 12 Mar.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Knoxville on Sat, 6 Mar, arriving in Baltimore Washington International.Inbound indirect flight with Southwest Airlines, departs from Baltimore Washington International on Fri, 12 Mar, arriving in Knoxville.Price includes taxes and charges.From 389 €, select.
Washington D.C..426 € per passenger.Departing Sun, 27 Sep, returning Thu, 1 Oct.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Knoxville on Sun, 27 Sep, arriving in Baltimore Washington International.Inbound direct flight with Southwest Airlines departs from Baltimore Washington International on Thu, 1 Oct, arriving in Knoxville.Price includes taxes and charges.From 426 €, select.

Find the cheapest month to fly from Knoxville to Baltimore Washington International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Knoxville to Baltimore Washington International flights are currently cheapest in December.
Aug
from 205 €
Sep
from 169 €
Oct
from 178 €
Nov
from 197 €
Dec
from 162 €
Jan
from 255 €
Feb
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Mar
from 389 €
Apr
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May
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Jun
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Jul
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Direct flights from Knoxville to Baltimore Washington International

Knoxville to Baltimore Washington International: Alternative routes

Compare routes from Knoxville to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Baltimore Washington International.

Washington Ronald Reagan

5km from central Washington D.C.
Closest
from 182 €
Search flights

Washington Dulles

37km from central Washington D.C.
Cheapest
from 53 €
Search flights

Baltimore Washington International

44km from central Washington D.C.
from 162 €
Search flights

Knoxville to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight found162 €
Cheapest month to flyDecember
Average flight time1 hr, 39 mins
Most popular airlineSouthwest Airlines
Average flights per week8

Finding cheap flights from Knoxville to Baltimore Washington International: Frequently asked questions

The best price we found for a return flight from Knoxville to Baltimore Washington International is 162 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 39 minutes is the average flight time from Knoxville to Baltimore Washington International.
Southwest Airlines flies direct from Knoxville to Baltimore Washington International.
As of August 2026, there are 8 flights per week flying from Knoxville to Baltimore Washington International.
The cheapest month to fly from Knoxville to Baltimore Washington International is usually December.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Knoxville Airport to Baltimore Washington International Airport on Saturday, 5 December 2026.
Yes – the average flight time is 1 hour and 39 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Baltimore Washington International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Southwest Airlines offers the cheapest flight tickets to Baltimore Washington International.

Flying from Knoxville Airport (TYS) to Baltimore Washington International Airport (BWI): what you need to know

  • Around 1 hour 40 minutes is how long you can expect to be in the air on a direct flight from Knoxville Airport to Baltimore Washington International Airport.

  • Knoxville and Washington DC are in the UTC-5 timezone. That means you won't have to change your watch when you arrive.

  • Pack your bags and choose from four weekly Knoxville Airport to Baltimore Washington International Airport flights.

  • Get to the airport on time so you don't miss your TYS to BWI flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • Travelling during a peak month such as October? Major public holidays and other high seasons can lead to longer queues at airport checkpoints. Play it safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

  • Southwest Airlines is your gateway to discovering Washington DC (and perhaps some other great parts of the United States!). Check out the direct flights from Knoxville Airport to Baltimore Washington International Airport offered by this airline.

  • Southwest Airlines is the top choice for travellers on this route.

How to find the cheapest flights from Knoxville Airport (TYS) to Baltimore Washington International Airport (BWI)

  • The cheapest price we've seen for a one-way Knoxville Airport to Baltimore Washington International Airport flight is 80 €. A return plane ticket right now is 162 €. Depending on the availability when you book, these fares can change.

  • To get your hands on cheap tickets from TYS to BWI, book ahead. Airlines generally offer the most competitive fares when flights are first released.

  • The 'Whole month' search tool shows you the cheapest flights from Knoxville Airport to Baltimore Washington International Airport throughout the entire month. It's an easy way to snap up a bargain if your trip dates are flexible.

  • Picking up cheap flights from TYS to BWI is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as fares go down.

  • Choose your preferred departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Knoxville Airport to Baltimore Washington International Airport.

Handy information about Knoxville Airport (TYS)

  • TYS is located at 2055 Alcoa Highway.

  • 76% of flights that depart Knoxville Airport land at their destination on schedule.

  • To get to Knoxville Airport from central Knoxville, it takes about 25 minutes if you're planning to drive. This depends on traffic though. It's approximately 24 kilometres from the airport to the city centre.

  • Taking public transport? Expect a journey time of around 50 minutes.

  • Catching an early flight from Knoxville Airport to Baltimore Washington International Airport? Avoid the hassle of rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these stays near TYS:

Arriving at Baltimore Washington International Airport (BWI)

Getting from Baltimore Washington International Airport (BWI) to central Washington DC

  • Baltimore Washington International Airport to the centre of Washington DC has a drive time of around 40 minutes. It's approximately 48 kilometres away.

  • Travelling on public transport takes roughly 50 minutes.

When to fly to Baltimore Washington International Airport (BWI)

  • The quietest month for a flight from Knoxville Airport to Baltimore Washington International Airport is March, while July is the most popular. Pick the best time to visit Washington DC based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • When booking your flight from Knoxville Airport to Baltimore Washington International Airport, consider the kind of weather you enjoy. July is the warmest month in Washington DC, with the temperature ranging from 19ºC (66ºF) to 33ºC (91ºF).

  • If you'd rather travel in cooler conditions, search for a cheap ticket from TYS to BWI in January. Temperatures average between -6ºC (21ºF) and 10ºC (50ºF) then.

Explore more of the United States

  • New York is just one of the many cities in the United States waiting to be discovered once you've seen Washington DC. Around 322 kilometres away to the north-east, its best attractions include Central Park, Statue of Liberty and Metropolitan Museum of Art.

  • If you're eager to discover another corner of the United States, head for Philadelphia, about 193 kilometres north-east of Washington DC. Independence Hall, Liberty Bell and Philadelphia Museum of Art are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.